Fix minor codestyle issues

2024-11-22 03:52:06 +01:00 · 2017-12-13 23:10:11 +01:00 · 2017-12-13 23:10:11 +01:00 · cb18056613
commit cb18056613
parent 200f90ffdc
422 changed files with 1404 additions and 1444 deletions
--- a/smack-core/src/main/java/org/jivesoftware/smack/ConnectionConfiguration.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/ConnectionConfiguration.java
@ -341,7 +341,7 @@ public abstract class ConnectionConfiguration {
     * An enumeration for TLS security modes that are available when making a connection
     * to the XMPP server.
     */
-    public static enum SecurityMode {
+    public enum SecurityMode {

        /**
         * Security via TLS encryption is required in order to connect. If the server
@ -492,7 +492,7 @@ public abstract class ConnectionConfiguration {
     * <p>
     * This is an abstract class that uses the builder design pattern and the "getThis() trick" to recover the type of
     * the builder in a class hierarchies with a self-referential generic supertype. Otherwise chaining of build
-     * instructions from the superclasses followed by build instructions of a sublcass would not be possible, because
+     * instructions from the superclasses followed by build instructions of a subclass would not be possible, because
     * the superclass build instructions would return the builder of the superclass and not the one of the subclass. You
     * can read more about it a Angelika Langer's Generics FAQ, especially the entry <a
     * href="http://www.angelikalanger.com/GenericsFAQ/FAQSections/ProgrammingIdioms.html#FAQ206">What is the
@ -646,7 +646,7 @@ public abstract class ConnectionConfiguration {
        public B setPort(int port) {
            if (port < 0 || port > 65535) {
                throw new IllegalArgumentException(
-                        "Port must be a 16-bit unsiged integer (i.e. between 0-65535. Port was: " + port);
+                        "Port must be a 16-bit unsigned integer (i.e. between 0-65535. Port was: " + port);
            }
            this.port = port;
            return getThis();
@ -930,7 +930,7 @@ public abstract class ConnectionConfiguration {
            Set<String> blacklistedMechanisms = SASLAuthentication.getBlacklistedSASLMechanisms();
            for (String mechanism : saslMechanisms) {
                if (!SASLAuthentication.isSaslMechanismRegistered(mechanism)) {
-                    throw new IllegalArgumentException("SASL " + mechanism + " is not avaiable. Consider registering it with Smack");
+                    throw new IllegalArgumentException("SASL " + mechanism + " is not available. Consider registering it with Smack");
                }
                if (blacklistedMechanisms.contains(mechanism)) {
                    throw new IllegalArgumentException("SALS " + mechanism + " is blacklisted.");
--- a/smack-core/src/main/java/org/jivesoftware/smack/ConnectionCreationListener.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/ConnectionCreationListener.java
@ -33,6 +33,6 @@ public interface ConnectionCreationListener {
     * 
     * @param connection the newly created connection.
     */
-    public void connectionCreated(XMPPConnection connection);
+    void connectionCreated(XMPPConnection connection);

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/ConnectionListener.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/ConnectionListener.java
@ -37,7 +37,7 @@ public interface ConnectionListener {
     *
     * @param connection the XMPPConnection which successfully connected to its endpoint.
     */
-    public void connected(XMPPConnection connection);
+    void connected(XMPPConnection connection);

    /**
     * Notification that the connection has been authenticated.
@ -45,12 +45,12 @@ public interface ConnectionListener {
     * @param connection the XMPPConnection which successfully authenticated.
     * @param resumed true if a previous XMPP session's stream was resumed.
     */
-    public void authenticated(XMPPConnection connection, boolean resumed);
+    void authenticated(XMPPConnection connection, boolean resumed);

    /**
     * Notification that the connection was closed normally.
     */
-    public void connectionClosed();
+    void connectionClosed();

    /**
     * Notification that the connection was closed due to an exception. When
@ -59,7 +59,7 @@ public interface ConnectionListener {
     *
     * @param e the exception.
     */
-    public void connectionClosedOnError(Exception e);
+    void connectionClosedOnError(Exception e);

    /**
     * The connection has reconnected successfully to the server. Connections will
@ -68,7 +68,7 @@ public interface ConnectionListener {
     */
    // TODO: Remove in Smack 4.3
    @Deprecated
-    public void reconnectionSuccessful();
+    void reconnectionSuccessful();

    // The next two methods *must* only be invoked by ReconnectionManager

@ -83,7 +83,7 @@ public interface ConnectionListener {
     */
    // TODO: Remove in Smack 4.3
    @Deprecated
-    public void reconnectingIn(int seconds);
+    void reconnectingIn(int seconds);

    /**
     * An attempt to connect to the server has failed. The connection will keep trying reconnecting to the server in a
@ -97,5 +97,5 @@ public interface ConnectionListener {
     */
    // TODO: Remove in Smack 4.3
    @Deprecated
-    public void reconnectionFailed(Exception e);
+    void reconnectionFailed(Exception e);
 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/ExceptionCallback.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/ExceptionCallback.java
@ -18,6 +18,6 @@ package org.jivesoftware.smack;

 public interface ExceptionCallback {

-    public void processException(Exception exception);
+    void processException(Exception exception);

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/Manager.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/Manager.java
@ -28,7 +28,7 @@ public abstract class Manager {
    public Manager(XMPPConnection connection) {
        Objects.requireNonNull(connection, "XMPPConnection must not be null");

-        weakConnection = new WeakReference<XMPPConnection>(connection);
+        weakConnection = new WeakReference<>(connection);
    }

    protected final XMPPConnection connection() {
--- a/smack-core/src/main/java/org/jivesoftware/smack/ReconnectionListener.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/ReconnectionListener.java
@ -34,7 +34,7 @@ public interface ReconnectionListener {
     *
     * @param seconds remaining seconds before attempting a reconnection.
     */
-    public void reconnectingIn(int seconds);
+    void reconnectingIn(int seconds);

    /**
     * An attempt to connect to the server has failed. The connection will keep trying reconnecting to the server in a
@ -46,5 +46,5 @@ public interface ReconnectionListener {
     *
     * @param e the exception that caused the reconnection to fail.
     */
-    public void reconnectionFailed(Exception e);
+    void reconnectionFailed(Exception e);
 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/ReconnectionManager.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/ReconnectionManager.java
@ -189,7 +189,7 @@ public final class ReconnectionManager {
    private Thread reconnectionThread;

    private ReconnectionManager(AbstractXMPPConnection connection) {
-        weakRefConnection = new WeakReference<AbstractXMPPConnection>(connection);
+        weakRefConnection = new WeakReference<>(connection);

        reconnectionRunnable = new Runnable() {

--- a/smack-core/src/main/java/org/jivesoftware/smack/SASLAuthentication.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/SASLAuthentication.java
@ -64,9 +64,9 @@ public final class SASLAuthentication {

    private static final Logger LOGGER = Logger.getLogger(SASLAuthentication.class.getName());

-    private static final List<SASLMechanism> REGISTERED_MECHANISMS = new ArrayList<SASLMechanism>();
+    private static final List<SASLMechanism> REGISTERED_MECHANISMS = new ArrayList<>();

-    private static final Set<String> BLACKLISTED_MECHANISMS = new HashSet<String>();
+    private static final Set<String> BLACKLISTED_MECHANISMS = new HashSet<>();

    static {
        // Blacklist SCRAM-SHA-1-PLUS for now.
@ -91,7 +91,7 @@ public final class SASLAuthentication {
     * @return the registered SASLMechanism sorted by the level of preference.
     */
    public static Map<String, String> getRegisterdSASLMechanisms() {
-        Map<String, String> answer = new LinkedHashMap<String, String>();
+        Map<String, String> answer = new LinkedHashMap<>();
        synchronized (REGISTERED_MECHANISMS) {
            for (SASLMechanism mechanism : REGISTERED_MECHANISMS) {
                answer.put(mechanism.getClass().getName(), mechanism.toString());
@ -132,9 +132,9 @@ public final class SASLAuthentication {
        return false;
    }

-    public static boolean blacklistSASLMechanism(String mechansim) {
+    public static boolean blacklistSASLMechanism(String mechanism) {
        synchronized (BLACKLISTED_MECHANISMS) {
-            return BLACKLISTED_MECHANISMS.add(mechansim);
+            return BLACKLISTED_MECHANISMS.add(mechanism);
        }
    }

@ -356,8 +356,8 @@ public final class SASLAuthentication {
            throw new SmackException(
                            "No supported and enabled SASL Mechanism provided by server. " +
                            "Server announced mechanisms: " + serverMechanisms + ". " +
-                            "Registerd SASL mechanisms with Smack: " + REGISTERED_MECHANISMS + ". " +
-                            "Enabled SASL mechansisms for this connection: " + configuration.getEnabledSaslMechanisms() + ". " +
+                            "Registered SASL mechanisms with Smack: " + REGISTERED_MECHANISMS + ". " +
+                            "Enabled SASL mechanisms for this connection: " + configuration.getEnabledSaslMechanisms() + ". " +
                            "Blacklisted SASL mechanisms: " + BLACKLISTED_MECHANISMS + '.'
                            );
            // @formatter;on
--- a/smack-core/src/main/java/org/jivesoftware/smack/SmackConfiguration.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/SmackConfiguration.java
@ -55,11 +55,11 @@ public final class SmackConfiguration {
    private static int defaultPacketReplyTimeout = 5000;
    private static int packetCollectorSize = 5000;

-    private static List<String> defaultMechs = new ArrayList<String>();
+    private static List<String> defaultMechs = new ArrayList<>();

-    static Set<String> disabledSmackClasses = new HashSet<String>();
+    static Set<String> disabledSmackClasses = new HashSet<>();

-    final static List<XMPPInputOutputStream> compressionHandlers = new ArrayList<XMPPInputOutputStream>(2);
+    final static List<XMPPInputOutputStream> compressionHandlers = new ArrayList<>(2);

    static boolean smackInitialized = false;

@ -67,7 +67,7 @@ public final class SmackConfiguration {

    /**
     * Value that indicates whether debugging is enabled. When enabled, a debug
-     * window will apear for each new connection that will contain the following
+     * window will appear for each new connection that will contain the following
     * information:<ul>
     * <li> Client Traffic -- raw XML traffic generated by Smack and sent to the server.
     * <li> Server Traffic -- raw XML traffic sent by the server to the client.
@ -280,8 +280,8 @@ public final class SmackConfiguration {
        compressionHandlers.add(xmppInputOutputStream);
    }

-    public static List<XMPPInputOutputStream> getCompresionHandlers() {
-        List<XMPPInputOutputStream> res = new ArrayList<XMPPInputOutputStream>(compressionHandlers.size());
+    public static List<XMPPInputOutputStream> getCompressionHandlers() {
+        List<XMPPInputOutputStream> res = new ArrayList<>(compressionHandlers.size());
        for (XMPPInputOutputStream ios : compressionHandlers) {
            if (ios.isSupported()) {
                res.add(ios);
@ -293,7 +293,7 @@ public final class SmackConfiguration {
    /**
     * Set the default HostnameVerifier that will be used by XMPP connections to verify the hostname
     * of a TLS certificate. XMPP connections are able to overwrite this settings by supplying a
-     * HostnameVerifier in their ConnecitonConfiguration with
+     * HostnameVerifier in their ConnectionConfiguration with
     * {@link ConnectionConfiguration.Builder#setHostnameVerifier(HostnameVerifier)}.
     */
    public static void setDefaultHostnameVerifier(HostnameVerifier verifier) {
--- a/smack-core/src/main/java/org/jivesoftware/smack/SmackException.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/SmackException.java
@ -258,7 +258,7 @@ public class SmackException extends Exception {

        public ConnectionException(Throwable wrappedThrowable) {
            super(wrappedThrowable);
-            failedAddresses = new ArrayList<HostAddress>(0);
+            failedAddresses = new ArrayList<>(0);
        }

        private ConnectionException(String message, List<HostAddress> failedAddresses) {
--- a/smack-core/src/main/java/org/jivesoftware/smack/SmackInitialization.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/SmackInitialization.java
@ -40,7 +40,6 @@ import org.jivesoftware.smack.util.FileUtils;
 import org.jivesoftware.smack.util.StringUtils;

 import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
 import org.xmlpull.v1.XmlPullParserFactory;


@ -71,7 +70,7 @@ public final class SmackInitialization {
            }
        } catch (Exception e) {
            LOGGER.log(Level.SEVERE, "Could not determine Smack version", e);
-            smackVersion = "unkown";
+            smackVersion = "unknown";
        }
        SMACK_VERSION = smackVersion;

@ -182,7 +181,7 @@ public final class SmackInitialization {

    private static void parseClassesToLoad(XmlPullParser parser, boolean optional,
                    Collection<Exception> exceptions, ClassLoader classLoader)
-                    throws XmlPullParserException, IOException, Exception {
+                    throws Exception {
        final String startName = parser.getName();
        int eventType;
        String name;
--- a/smack-core/src/main/java/org/jivesoftware/smack/StanzaCollector.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/StanzaCollector.java
@ -288,7 +288,7 @@ public class StanzaCollector {
        }
    }

-    private final void throwIfCancelled() {
+    private void throwIfCancelled() {
        if (cancelled) {
            throw new IllegalStateException("Packet collector already cancelled");
        }
--- a/smack-core/src/main/java/org/jivesoftware/smack/StanzaListener.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/StanzaListener.java
@ -52,6 +52,6 @@ public interface StanzaListener {
     * @throws InterruptedException 
     * @throws NotLoggedInException 
     */
-    public void processStanza(Stanza packet) throws NotConnectedException, InterruptedException, NotLoggedInException;
+    void processStanza(Stanza packet) throws NotConnectedException, InterruptedException, NotLoggedInException;

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/SuccessCallback.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/SuccessCallback.java
@ -18,6 +18,6 @@ package org.jivesoftware.smack;

 public interface SuccessCallback<T> {

-    public void onSuccess(T result);
+    void onSuccess(T result);

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/XMPPConnectionRegistry.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/XMPPConnectionRegistry.java
@ -27,7 +27,7 @@ public class XMPPConnectionRegistry {
     * A set of listeners which will be invoked if a new connection is created.
     */
    private final static Set<ConnectionCreationListener> connectionEstablishedListeners =
-            new CopyOnWriteArraySet<ConnectionCreationListener>();
+            new CopyOnWriteArraySet<>();

    /**
     * Adds a new listener that will be notified when new Connections are created. Note
--- a/smack-core/src/main/java/org/jivesoftware/smack/filter/EmptyToMatcher.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/filter/EmptyToMatcher.java
@ -30,10 +30,7 @@ public final class EmptyToMatcher implements StanzaFilter {
    @Override
    public boolean accept(Stanza packet) {
        Jid packetTo = packet.getTo();
-        if (packetTo == null) {
-            return true;
-        }
-        return false;
+        return packetTo == null;
    }

    @Override
--- a/smack-core/src/main/java/org/jivesoftware/smack/filter/StanzaFilter.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/filter/StanzaFilter.java
@ -54,5 +54,5 @@ public interface StanzaFilter {
     * @param stanza the stanza(/packet) to test.
     * @return true if and only if <tt>stanza</tt> passes the filter.
     */
-    public boolean accept(Stanza stanza);
+    boolean accept(Stanza stanza);
 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/initializer/SmackInitializer.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/initializer/SmackInitializer.java
@ -30,5 +30,5 @@ import org.jivesoftware.smack.SmackConfiguration;
 *
 */
 public interface SmackInitializer {
-    public List<Exception> initialize();
+    List<Exception> initialize();
 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/iqrequest/IQRequestHandler.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/iqrequest/IQRequestHandler.java
@ -26,7 +26,7 @@ import org.jivesoftware.smack.packet.IQ;
 */
 public interface IQRequestHandler {

-    public enum Mode {
+    enum Mode {
        /**
         * Process requests synchronously, i.e. in the order they arrive. Uses a single thread, which means that the other
         * requests have to wait until all previous synchronous requests have been handled. Use {@link #async} if
@ -41,13 +41,13 @@ public interface IQRequestHandler {
        async,
    }

-    public IQ handleIQRequest(IQ iqRequest);
+    IQ handleIQRequest(IQ iqRequest);

-    public Mode getMode();
+    Mode getMode();

-    public IQ.Type getType();
+    IQ.Type getType();

-    public String getElement();
+    String getElement();

-    public String getNamespace();
+    String getNamespace();
 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/Element.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/Element.java
@ -28,5 +28,5 @@ public interface Element {
     *
     * @return the stanza(/packet) extension as XML.
     */
-    public CharSequence toXML();
+    CharSequence toXML();
 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/EmptyResultIQ.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/EmptyResultIQ.java
@ -25,7 +25,7 @@ public class EmptyResultIQ extends IQ {

    public EmptyResultIQ(IQ request) {
        this();
-        initialzeAsResultFor(request);
+        initializeAsResultFor(request);
    }

    @Override
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/ExtensionElement.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/ExtensionElement.java
@ -40,6 +40,6 @@ public interface ExtensionElement extends NamedElement {
     *
     * @return the namespace.
     */
-    public String getNamespace();
+    String getNamespace();

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/IQ.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/IQ.java
@ -215,7 +215,7 @@ public abstract class IQ extends Stanza {
     */
    protected abstract IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder xml);

-    protected final void initialzeAsResultFor(IQ request) {
+    protected final void initializeAsResultFor(IQ request) {
        if (!(request.getType() == Type.get || request.getType() == Type.set)) {
            throw new IllegalArgumentException(
                    "IQ must be of type 'set' or 'get'. Original IQ: " + request.toXML());
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/NamedElement.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/NamedElement.java
@ -28,6 +28,6 @@ public interface NamedElement extends Element {
     *
     * @return the element name.
     */
-    public String getElementName();
+    String getElementName();

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/Packet.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/Packet.java
@ -28,15 +28,15 @@ import java.util.Set;
@Deprecated
 public interface Packet extends TopLevelStreamElement {

-    public static final String TEXT = "text";
-    public static final String ITEM = "item";
+    String TEXT = "text";
+    String ITEM = "item";

    /**
     * Returns the unique ID of the stanza. The returned value could be <code>null</code>.
     *
     * @return the packet's unique ID or <code>null</code> if the id is not available.
     */
-    public String getStanzaId();
+    String getStanzaId();

    /**
     * Get the stanza id.
@ -44,7 +44,7 @@ public interface Packet extends TopLevelStreamElement {
     * @deprecated use {@link #getStanzaId()} instead.
     */
    @Deprecated
-    public String getPacketID();
+    String getPacketID();

    /**
     * Sets the unique ID of the packet. To indicate that a stanza(/packet) has no id
@ -52,7 +52,7 @@ public interface Packet extends TopLevelStreamElement {
     *
     * @param id the unique ID for the packet.
     */
-    public void setStanzaId(String id);
+    void setStanzaId(String id);

    /**
     * Set the stanza ID.
@ -60,7 +60,7 @@ public interface Packet extends TopLevelStreamElement {
     * @deprecated use {@link #setStanzaId(String)} instead.
     */
    @Deprecated
-    public void setPacketID(String packetID);
+    void setPacketID(String packetID);

    /**
     * Returns who the stanza(/packet) is being sent "to", or <tt>null</tt> if
@ -70,7 +70,7 @@ public interface Packet extends TopLevelStreamElement {
     * @return who the stanza(/packet) is being sent to, or <tt>null</tt> if the
     *      value has not been set.
     */
-    public String getTo();
+    String getTo();

    /**
     * Sets who the stanza(/packet) is being sent "to". The XMPP protocol often makes
@ -78,7 +78,7 @@ public interface Packet extends TopLevelStreamElement {
     *
     * @param to who the stanza(/packet) is being sent to.
     */
-    public void setTo(String to);
+    void setTo(String to);

    /**
     * Returns who the stanza(/packet) is being sent "from" or <tt>null</tt> if
@ -88,7 +88,7 @@ public interface Packet extends TopLevelStreamElement {
     * @return who the stanza(/packet) is being sent from, or <tt>null</tt> if the
     *      value has not been set.
     */
-    public String getFrom();
+    String getFrom();

    /**
     * Sets who the stanza(/packet) is being sent "from". The XMPP protocol often
@ -97,7 +97,7 @@ public interface Packet extends TopLevelStreamElement {
     *
     * @param from who the stanza(/packet) is being sent to.
     */
-    public void setFrom(String from);
+    void setFrom(String from);

    /**
     * Returns the error associated with this packet, or <tt>null</tt> if there are
@ -105,34 +105,34 @@ public interface Packet extends TopLevelStreamElement {
     *
     * @return the error sub-packet or <tt>null</tt> if there isn't an error.
     */
-    public XMPPError getError();
+    XMPPError getError();
    /**
     * Sets the error for this packet.
     *
     * @param error the error to associate with this packet.
     */
-    public void setError(XMPPError error);
+    void setError(XMPPError error);

    /**
     * Returns the xml:lang of this Stanza, or null if one has not been set.
     *
     * @return the xml:lang of this Stanza, or null.
     */
-    public String getLanguage();
+    String getLanguage();

    /**
     * Sets the xml:lang of this Stanza.
     *
     * @param language the xml:lang of this Stanza.
     */
-    public void setLanguage(String language);
+    void setLanguage(String language);

    /**
     * Returns a copy of the stanza(/packet) extensions attached to the packet.
     *
     * @return the stanza(/packet) extensions.
     */
-    public List<ExtensionElement> getExtensions();
+    List<ExtensionElement> getExtensions();

    /**
     * Return a set of all extensions with the given element name <emph>and</emph> namespace.
@ -145,7 +145,7 @@ public interface Packet extends TopLevelStreamElement {
     * @return a set of all matching extensions.
     * @since 4.1
     */
-    public Set<ExtensionElement> getExtensions(String elementName, String namespace);
+    Set<ExtensionElement> getExtensions(String elementName, String namespace);

    /**
     * Returns the first extension of this stanza(/packet) that has the given namespace.
@ -156,7 +156,7 @@ public interface Packet extends TopLevelStreamElement {
     * @param namespace the namespace of the extension that is desired.
     * @return the stanza(/packet) extension with the given namespace.
     */
-    public ExtensionElement getExtension(String namespace);
+    ExtensionElement getExtension(String namespace);

    /**
     * Returns the first stanza(/packet) extension that matches the specified element name and
@ -173,20 +173,20 @@ public interface Packet extends TopLevelStreamElement {
     * @param namespace the XML element namespace of the stanza(/packet) extension.
     * @return the extension, or <tt>null</tt> if it doesn't exist.
     */
-    public <PE extends ExtensionElement> PE getExtension(String elementName, String namespace);
+    <PE extends ExtensionElement> PE getExtension(String elementName, String namespace);
    /**
     * Adds a stanza(/packet) extension to the packet. Does nothing if extension is null.
     *
     * @param extension a stanza(/packet) extension.
     */
-    public void addExtension(ExtensionElement extension);
+    void addExtension(ExtensionElement extension);

    /**
     * Adds a collection of stanza(/packet) extensions to the packet. Does nothing if extensions is null.
     * 
     * @param extensions a collection of stanza(/packet) extensions
     */
-    public void addExtensions(Collection<ExtensionElement> extensions);
+    void addExtensions(Collection<ExtensionElement> extensions);

    /**
     * Check if a stanza(/packet) extension with the given element and namespace exists.
@ -198,7 +198,7 @@ public interface Packet extends TopLevelStreamElement {
     * @param namespace
     * @return true if a stanza(/packet) extension exists, false otherwise.
     */
-    public boolean hasExtension(String elementName, String namespace);
+    boolean hasExtension(String elementName, String namespace);

    /**
     * Check if a stanza(/packet) extension with the given namespace exists.
@ -206,7 +206,7 @@ public interface Packet extends TopLevelStreamElement {
     * @param namespace
     * @return true if a stanza(/packet) extension exists, false otherwise.
     */
-    public boolean hasExtension(String namespace);
+    boolean hasExtension(String namespace);

    /**
     * Remove the stanza(/packet) extension with the given elementName and namespace.
@ -215,7 +215,7 @@ public interface Packet extends TopLevelStreamElement {
     * @param namespace
     * @return the removed stanza(/packet) extension or null.
     */
-    public ExtensionElement removeExtension(String elementName, String namespace);
+    ExtensionElement removeExtension(String elementName, String namespace);

    /**
     * Removes a stanza(/packet) extension from the packet.
@ -223,10 +223,10 @@ public interface Packet extends TopLevelStreamElement {
     * @param extension the stanza(/packet) extension to remove.
     * @return the removed stanza(/packet) extension or null.
     */
-    public ExtensionElement removeExtension(ExtensionElement extension);
+    ExtensionElement removeExtension(ExtensionElement extension);

    @Override
    // NOTE When Smack is using Java 8, then this method should be moved in Element as "Default Method".
-    public String toString();
+    String toString();

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/packet/StreamError.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/packet/StreamError.java
@ -25,7 +25,7 @@ import org.jivesoftware.smack.util.XmlStringBuilder;

 /**
 * Represents a stream error packet. Stream errors are unrecoverable errors where the server
- * will close the unrelying TCP connection after the stream error was sent to the client.
+ * will close the underlying TCP connection after the stream error was sent to the client.
 * These is the list of stream errors as defined in the XMPP spec:<p>
 *
 * <table border=1>
@ -174,7 +174,7 @@ public class StreamError extends AbstractError implements Nonza {
        restricted_xml,
        see_other_host,
        system_shutdown,
-        undeficed_condition,
+        undefined_condition,
        unsupported_encoding,
        unsupported_feature,
        unsupported_stanza_type,
--- a/smack-core/src/main/java/org/jivesoftware/smack/parsing/ParsingExceptionCallback.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/parsing/ParsingExceptionCallback.java
@ -39,6 +39,6 @@ public interface ParsingExceptionCallback {
     * @param stanzaData the raw stanza data that caused the exception
     * @throws Exception
     */
-    public void handleUnparsableStanza(UnparseableStanza stanzaData) throws Exception;
+    void handleUnparsableStanza(UnparseableStanza stanzaData) throws Exception;

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/provider/ProviderManager.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/provider/ProviderManager.java
@ -45,7 +45,7 @@ import org.jxmpp.util.XmppStringUtils;
 *      <li>jabber:iq:register</ul>
 *
 * Because many more IQ types are part of XMPP and its extensions, a pluggable IQ parsing
- * mechanism is provided. IQ providers are registered programatically or by creating a
+ * mechanism is provided. IQ providers are registered programmatically or by creating a
 * providers file. The file is an XML
 * document that contains one or more iqProvider entries, as in the following example:
 *
@ -100,7 +100,7 @@ import org.jxmpp.util.XmppStringUtils;
 * is found in a packet, parsing will be passed to the correct provider. Each provider
 * can either implement the PacketExtensionProvider interface or be a standard Java Bean. In
 * the former case, each extension provider is responsible for parsing the raw XML stream to
- * contruct an object. In the latter case, bean introspection is used to try to automatically
+ * construct an object. In the latter case, bean introspection is used to try to automatically
 * set the properties of th class using the values in the stanza(/packet) extension sub-element. When an
 * extension provider is not registered for an element name and namespace combination, Smack will
 * store all top-level elements of the sub-packet in DefaultPacketExtension object and then
@ -207,7 +207,7 @@ public final class ProviderManager {

    /**
     * Removes an IQ provider with the specified element name and namespace. This
-     * method is typically called to cleanup providers that are programatically added
+     * method is typically called to cleanup providers that are programmatically added
     * using the {@link #addIQProvider(String, String, Object) addIQProvider} method.
     *
     * @param elementName the XML element name.
@ -237,7 +237,7 @@ public final class ProviderManager {
     *
     * @param elementName element name associated with extension provider.
     * @param namespace namespace associated with extension provider.
-     * @return the extenion provider.
+     * @return the extension provider.
     */
    public static ExtensionElementProvider<ExtensionElement> getExtensionProvider(String elementName, String namespace) {
        String key = getKey(elementName, namespace);
@ -269,7 +269,7 @@ public final class ProviderManager {

    /**
     * Removes an extension provider with the specified element name and namespace. This
-     * method is typically called to cleanup providers that are programatically added
+     * method is typically called to cleanup providers that are programmatically added
     * using the {@link #addExtensionProvider(String, String, Object) addExtensionProvider} method.
     *
     * @param elementName the XML element name.
--- a/smack-core/src/main/java/org/jivesoftware/smack/proxy/HTTPProxySocketConnection.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/proxy/HTTPProxySocketConnection.java
@ -78,7 +78,7 @@ class HTTPProxySocketConnection implements ProxySocketConnection {
            got.append(c);
            if (got.length() > 1024)
            {
-                throw new ProxyException(ProxyInfo.ProxyType.HTTP, "Recieved " +
+                throw new ProxyException(ProxyInfo.ProxyType.HTTP, "Received " +
                    "header of >1024 characters from "
                    + proxyhost + ", cancelling connection");
            }
--- a/smack-core/src/main/java/org/jivesoftware/smack/proxy/ProxyInfo.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/proxy/ProxyInfo.java
@ -25,7 +25,7 @@ package org.jivesoftware.smack.proxy;

 public class ProxyInfo
 {
-    public static enum ProxyType
+    public enum ProxyType
    {
        HTTP,
        SOCKS4,
--- a/smack-core/src/main/java/org/jivesoftware/smack/proxy/ProxySocketConnection.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/proxy/ProxySocketConnection.java
@ -21,7 +21,7 @@ import java.net.Socket;

 public interface ProxySocketConnection {

-    public void connect(Socket socket, String host, int port, int timeout)
+    void connect(Socket socket, String host, int port, int timeout)
                    throws IOException;

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/proxy/Socks4ProxySocketConnection.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/proxy/Socks4ProxySocketConnection.java
@ -117,7 +117,7 @@ public class Socks4ProxySocketConnection implements ProxySocketConnection {

    90: request granted
    91: request rejected or failed
-    92: request rejected becasue SOCKS server cannot connect to
+    92: request rejected because SOCKS server cannot connect to
    identd on the client
    93: request rejected because the client program and identd
    report different user-ids
--- a/smack-core/src/main/java/org/jivesoftware/smack/sasl/core/ScramMechanism.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/sasl/core/ScramMechanism.java
@ -246,7 +246,7 @@ public abstract class ScramMechanism extends SASLMechanism {
            return gs2Header;
        }

-        return ByteUtils.concact(gs2Header, cbindData);
+        return ByteUtils.concat(gs2Header, cbindData);
    }

    protected String getChannelBindingName() {
@ -394,7 +394,7 @@ public abstract class ScramMechanism extends SASLMechanism {
            throw new AssertionError();
        }
        // U1 := HMAC(str, salt + INT(1))
-        byte[] u = hmac(key, ByteUtils.concact(salt, ONE));
+        byte[] u = hmac(key, ByteUtils.concat(salt, ONE));
        byte[] res = u.clone();
        for (int i = 1; i < iterations; i++) {
            u = hmac(key, u);
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/Async.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/Async.java
@ -73,7 +73,7 @@ public class Async {
                if (e instanceof RuntimeException) {
                    throw (RuntimeException) e;
                }
-                LOGGER.log(Level.WARNING, "Catched Exception", e);
+                LOGGER.log(Level.WARNING, "Caught Exception", e);
            }
        }

--- a/smack-core/src/main/java/org/jivesoftware/smack/util/ByteUtils.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/ByteUtils.java
@ -17,7 +17,7 @@
 package org.jivesoftware.smack.util;

 public class ByteUtils {
-    public static byte[] concact(byte[] arrayOne, byte[] arrayTwo) {
+    public static byte[] concat(byte[] arrayOne, byte[] arrayTwo) {
        int combinedLength = arrayOne.length + arrayTwo.length;
        byte[] res = new byte[combinedLength];
        System.arraycopy(arrayOne, 0, res, 0, arrayOne.length);
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/LazyStringBuilder.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/LazyStringBuilder.java
@ -35,7 +35,7 @@ public class LazyStringBuilder implements Appendable, CharSequence {
    }

    public LazyStringBuilder() {
-        list = new ArrayList<CharSequence>(20);
+        list = new ArrayList<>(20);
    }

    public LazyStringBuilder append(LazyStringBuilder lsb) {
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/ObservableWriter.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/ObservableWriter.java
@ -90,19 +90,17 @@ public class ObservableWriter extends Writer {

    /**
     * Notify that a new string has been written.
-     * 
-     * @param str the written String to notify 
     */
    private void notifyListeners() {
-        WriterListener[] writerListeners = null;
+        WriterListener[] writerListeners;
        synchronized (listeners) {
            writerListeners = new WriterListener[listeners.size()];
            listeners.toArray(writerListeners);
        }
        String str = stringBuilder.toString();
        stringBuilder.setLength(0);
-        for (int i = 0; i < writerListeners.length; i++) {
-            writerListeners[i].write(str);
+        for (WriterListener writerListener : writerListeners) {
+            writerListener.write(str);
        }
    }

--- a/smack-core/src/main/java/org/jivesoftware/smack/util/PacketParserUtils.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/PacketParserUtils.java
@ -229,7 +229,7 @@ public class PacketParserUtils {
        String language = getLanguageAttribute(parser);

        // determine message's default language
-        String defaultLanguage = null;
+        String defaultLanguage;
        if (language != null && !"".equals(language.trim())) {
            message.setLanguage(language);
            defaultLanguage = language;
@ -746,7 +746,7 @@ public class PacketParserUtils {
    public static Map<String, String> parseDescriptiveTexts(XmlPullParser parser, Map<String, String> descriptiveTexts)
                    throws XmlPullParserException, IOException {
        if (descriptiveTexts == null) {
-            descriptiveTexts = new HashMap<String, String>();
+            descriptiveTexts = new HashMap<>();
        }
        String xmllang = getLanguageAttribute(parser);
        if (xmllang == null) {
@ -805,7 +805,7 @@ public class PacketParserUtils {
     */
    public static StreamError parseStreamError(XmlPullParser parser) throws Exception {
        final int initialDepth = parser.getDepth();
-        List<ExtensionElement> extensions = new ArrayList<ExtensionElement>();
+        List<ExtensionElement> extensions = new ArrayList<>();
        Map<String, String> descriptiveTexts = null;
        StreamError.Condition condition = null;
        String conditionText = null;
@ -857,7 +857,7 @@ public class PacketParserUtils {
                    throws Exception {
        final int initialDepth = parser.getDepth();
        Map<String, String> descriptiveTexts = null;
-        List<ExtensionElement> extensions = new ArrayList<ExtensionElement>();
+        List<ExtensionElement> extensions = new ArrayList<>();
        XMPPError.Builder builder = XMPPError.getBuilder();

        // Parse the error header
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/PacketUtil.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/PacketUtil.java
@ -32,7 +32,7 @@ public class PacketUtil {
     * @deprecated use {@link #extensionElementFrom(Collection, String, String)} instead
     */
    @Deprecated
-    public static <PE extends ExtensionElement> PE packetExtensionfromCollection(
+    public static <PE extends ExtensionElement> PE packetExtensionFromCollection(
                    Collection<ExtensionElement> collection, String element,
                    String namespace) {
        return extensionElementFrom(collection, element, namespace);
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/ParserUtils.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/ParserUtils.java
@ -138,11 +138,7 @@ public class ParserUtils {
        if (valueString == null)
            return null;
        valueString = valueString.toLowerCase(Locale.US);
-        if (valueString.equals("true") || valueString.equals("0")) {
-            return true;
-        } else {
-            return false;
-        }
+        return valueString.equals("true") || valueString.equals("0");
    }

    public static boolean getBooleanAttribute(XmlPullParser parser, String name,
@ -232,8 +228,7 @@ public class ParserUtils {

    public static URI getUriFromNextText(XmlPullParser parser) throws XmlPullParserException, IOException, URISyntaxException  {
        String uriString = parser.nextText();
-        URI uri = new URI(uriString);
-        return uri;
+        return new URI(uriString);
    }

    public static String getRequiredAttribute(XmlPullParser parser, String name) throws IOException {
@ -253,7 +248,6 @@ public class ParserUtils {
    }

    public static String getXmlLang(XmlPullParser parser) {
-        String langString = parser.getAttributeValue("http://www.w3.org/XML/1998/namespace", "lang");
-        return langString;
+        return parser.getAttributeValue("http://www.w3.org/XML/1998/namespace", "lang");
    }
 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/ReaderListener.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/ReaderListener.java
@ -33,6 +33,6 @@ public interface ReaderListener {
     * 
     * @param str the read String
     */
-    public abstract void read(String str);
+    void read(String str);

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/StringTransformer.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/StringTransformer.java
@ -18,6 +18,6 @@ package org.jivesoftware.smack.util;

 public interface StringTransformer {

-    public String transform(String string);
+    String transform(String string);

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/StringUtils.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/StringUtils.java
@ -444,10 +444,10 @@ public class StringUtils {
    }

    public static boolean nullSafeCharSequenceEquals(CharSequence csOne, CharSequence csTwo) {
-        return nullSafeCharSequenceComperator(csOne, csTwo) == 0;
+        return nullSafeCharSequenceComparator(csOne, csTwo) == 0;
    }

-    public static int nullSafeCharSequenceComperator(CharSequence csOne, CharSequence csTwo) {
+    public static int nullSafeCharSequenceComparator(CharSequence csOne, CharSequence csTwo) {
        if (csOne == null ^ csTwo == null) {
            return (csOne == null) ? -1 : 1;
        }
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/TLSUtils.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/TLSUtils.java
@ -55,7 +55,7 @@ public class TLSUtils {
     * According to the <a
     * href="https://raw.githubusercontent.com/stpeter/manifesto/master/manifesto.txt">Encrypted
     * XMPP Manifesto</a>, TLSv1.2 shall be deployed, providing fallback support for SSLv3 and
-     * TLSv1.1. This method goes one step boyond and upgrades the handshake to use TLSv1 or better.
+     * TLSv1.1. This method goes one step beyond and upgrades the handshake to use TLSv1 or better.
     * This method requires the underlying OS to support all of TLSv1.2 , 1.1 and 1.0.
     * </p>
     * 
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/TypedCloneable.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/TypedCloneable.java
@ -29,6 +29,6 @@ public interface TypedCloneable<T> extends Cloneable {
     *
     * @return a cloned version of this instance.
     */
-    public T clone();
+    T clone();

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/WriterListener.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/WriterListener.java
@ -33,6 +33,6 @@ public interface WriterListener {
     * 
     * @param str the written string
     */
-    public abstract void write(String str);
+    void write(String str);

 }
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/XmlStringBuilder.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/XmlStringBuilder.java
@ -81,7 +81,7 @@ public class XmlStringBuilder implements Appendable, CharSequence {

    /**
     * Add a new element to this builder, with the {@link java.util.Date} instance as its content,
-     * which will get formated with {@link XmppDateTime#formatXEP0082Date(Date)}.
+     * which will get formatted with {@link XmppDateTime#formatXEP0082Date(Date)}.
     *
     * @param name element name
     * @param content content of element
@ -123,7 +123,7 @@ public class XmlStringBuilder implements Appendable, CharSequence {

    /**
     * Add a new element to this builder, with the {@link java.util.Date} instance as its content,
-     * which will get formated with {@link XmppDateTime#formatXEP0082Date(Date)}
+     * which will get formatted with {@link XmppDateTime#formatXEP0082Date(Date)}
     * if {@link java.util.Date} instance is not <code>null</code>.
     *
     * @param name element name
@ -245,7 +245,7 @@ public class XmlStringBuilder implements Appendable, CharSequence {

    /**
     * Add a new attribute to this builder, with the {@link java.util.Date} instance as its value,
-     * which will get formated with {@link XmppDateTime#formatXEP0082Date(Date)}.
+     * which will get formatted with {@link XmppDateTime#formatXEP0082Date(Date)}.
     *
     * @param name name of attribute
     * @param value value of attribute
@ -280,7 +280,7 @@ public class XmlStringBuilder implements Appendable, CharSequence {

    /**
     * Add a new attribute to this builder, with the {@link java.util.Date} instance as its value,
-     * which will get formated with {@link XmppDateTime#formatXEP0082Date(Date)}
+     * which will get formatted with {@link XmppDateTime#formatXEP0082Date(Date)}
     * if {@link java.util.Date} instance is not <code>null</code>.
     *
     * @param name attribute name
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/dns/HostAddress.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/dns/HostAddress.java
@ -43,7 +43,7 @@ public class HostAddress {
    public HostAddress(String fqdn, int port, List<InetAddress> inetAddresses) {
        if (port < 0 || port > 65535)
            throw new IllegalArgumentException(
-                    "Port must be a 16-bit unsiged integer (i.e. between 0-65535. Port was: " + port);
+                    "Port must be a 16-bit unsigned integer (i.e. between 0-65535. Port was: " + port);
        if (StringUtils.isNotEmpty(fqdn) && fqdn.charAt(fqdn.length() - 1) == '.') {
            this.fqdn = fqdn.substring(0, fqdn.length() - 1);
        }
--- a/smack-core/src/main/java/org/jivesoftware/smack/util/dns/SRVRecord.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/util/dns/SRVRecord.java
@ -48,12 +48,12 @@ public class SRVRecord extends HostAddress implements Comparable<SRVRecord> {
        StringUtils.requireNotNullOrEmpty(fqdn, "The FQDN must not be null");
        if (weight < 0 || weight > 65535)
            throw new IllegalArgumentException(
-                    "DNS SRV records weight must be a 16-bit unsiged integer (i.e. between 0-65535. Weight was: "
+                    "DNS SRV records weight must be a 16-bit unsigned integer (i.e. between 0-65535. Weight was: "
                            + weight);

        if (priority < 0 || priority > 65535)
            throw new IllegalArgumentException(
-                    "DNS SRV records priority must be a 16-bit unsiged integer (i.e. between 0-65535. Priority was: "
+                    "DNS SRV records priority must be a 16-bit unsigned integer (i.e. between 0-65535. Priority was: "
                            + priority);

        this.priority = priority;
--- a/smack-core/src/test/java/org/jivesoftware/smack/StanzaCollectorTest.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/StanzaCollectorTest.java
@ -105,7 +105,7 @@ public class StanzaCollectorTest
            @Override
            public void run()
            {
-                Stanza p = null;
+                Stanza p;

                do
                {
@ -134,7 +134,7 @@ public class StanzaCollectorTest
            @Override
            public void run()
            {
-                Stanza p = null;
+                Stanza p;

                do
                {
--- a/smack-core/src/test/java/org/jivesoftware/smack/ThreadedDummyConnection.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/ThreadedDummyConnection.java
@ -37,8 +37,8 @@ import org.jivesoftware.smack.packet.Stanza;
 public class ThreadedDummyConnection extends DummyConnection {
    private static final Logger LOGGER = Logger.getLogger(ThreadedDummyConnection.class.getName());

-    private BlockingQueue<IQ> replyQ = new ArrayBlockingQueue<IQ>(1);
-    private BlockingQueue<Stanza> messageQ = new LinkedBlockingQueue<Stanza>(5);
+    private final BlockingQueue<IQ> replyQ = new ArrayBlockingQueue<>(1);
+    private final BlockingQueue<Stanza> messageQ = new LinkedBlockingQueue<>(5);
    private volatile boolean timeout = false;

    @Override
--- a/smack-core/src/test/java/org/jivesoftware/smack/packet/MessageTest.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/packet/MessageTest.java
@ -142,7 +142,7 @@ public class MessageTest {
        XmlUnitUtils.assertSimilar(control, message.toXML());

        Collection<String> languages = message.getBodyLanguages();
-        List<String> controlLanguages = new ArrayList<String>();
+        List<String> controlLanguages = new ArrayList<>();
        controlLanguages.add(lang2);
        controlLanguages.add(lang3);
        controlLanguages.removeAll(languages);
--- a/smack-core/src/test/java/org/jivesoftware/smack/parsing/ParsingExceptionTest.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/parsing/ParsingExceptionTest.java
@ -16,7 +16,7 @@
 */
 package org.jivesoftware.smack.parsing;

-import static org.jivesoftware.smack.test.util.CharsequenceEquals.equalsCharSequence;
+import static org.jivesoftware.smack.test.util.CharSequenceEquals.equalsCharSequence;
 import static org.junit.Assert.assertThat;

 import org.jivesoftware.smack.SmackException;
--- a/smack-core/src/test/java/org/jivesoftware/smack/sasl/DigestMd5SaslTest.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/sasl/DigestMd5SaslTest.java
@ -24,7 +24,6 @@ import java.util.HashMap;
 import java.util.Map;

 import org.jivesoftware.smack.SmackException;
-import org.jivesoftware.smack.SmackException.NotConnectedException;
 import org.jivesoftware.smack.util.StringUtils;

 import org.jxmpp.jid.EntityBareJid;
@ -40,7 +39,7 @@ public class DigestMd5SaslTest extends AbstractSaslTest {
        super(saslMechanism);
    }

-    protected void runTest(boolean useAuthzid) throws NotConnectedException, SmackException, InterruptedException, XmppStringprepException, UnsupportedEncodingException {
+    protected void runTest(boolean useAuthzid) throws SmackException, InterruptedException, XmppStringprepException, UnsupportedEncodingException {
        EntityBareJid authzid = null;
        if (useAuthzid) {
            authzid = JidCreate.entityBareFrom("shazbat@xmpp.org");
--- a/smack-core/src/test/java/org/jivesoftware/smack/test/util/CharSequenceEquals.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/test/util/CharSequenceEquals.java
@ -0,0 +1,47 @@
+/**
+ *
+ * Copyright © 2014 Florian Schmaus
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jivesoftware.smack.test.util;
+
+import org.hamcrest.Description;
+import org.hamcrest.Factory;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+
+public class CharSequenceEquals extends TypeSafeMatcher<CharSequence> {
+
+    private final String charSequenceString;
+
+    public CharSequenceEquals(CharSequence charSequence) {
+        charSequenceString = charSequence.toString();
+    }
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText("Does not match CharSequence ").appendValue(charSequenceString);
+    }
+
+    @Override
+    protected boolean matchesSafely(CharSequence item) {
+        String itemString = item.toString();
+        return charSequenceString.equals(itemString);
+    }
+
+    @Factory
+    public static Matcher<CharSequence> equalsCharSequence(CharSequence charSequence) {
+        return new CharSequenceEquals(charSequence);
+    }
+}
--- a/smack-core/src/test/java/org/jivesoftware/smack/util/PacketParserUtilsTest.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/util/PacketParserUtilsTest.java
@ -809,7 +809,7 @@ public class PacketParserUtilsTest {
                    IOException, TransformerException, SAXException {
        // @formatter:off
        final String stanza = XMLBuilder.create("outer", "outerNamespace").a("outerAttribute", "outerValue")
-                        .element("inner", "innerNamespace").a("innverAttribute", "innerValue")
+                        .element("inner", "innerNamespace").a("innerAttribute", "innerValue")
                            .element("innermost")
                                .t("some text")
                        .asString();
--- a/smack-debug/src/main/java/org/jivesoftware/smackx/debugger/EnhancedDebuggerWindow.java
+++ b/smack-debug/src/main/java/org/jivesoftware/smackx/debugger/EnhancedDebuggerWindow.java
@ -240,7 +240,7 @@ public final class EnhancedDebuggerWindow {
        JPanel iqProvidersPanel = new JPanel();
        iqProvidersPanel.setLayout(new GridLayout(1, 1));
        iqProvidersPanel.setBorder(BorderFactory.createTitledBorder("Installed IQ Providers"));
-        Vector<String> providers = new Vector<String>();
+        Vector<String> providers = new Vector<>();
        for (Object provider : ProviderManager.getIQProviders()) {
            if (provider.getClass() == Class.class) {
                providers.add(((Class<?>) provider).getName());
@ -259,7 +259,7 @@ public final class EnhancedDebuggerWindow {
        JPanel extensionProvidersPanel = new JPanel();
        extensionProvidersPanel.setLayout(new GridLayout(1, 1));
        extensionProvidersPanel.setBorder(BorderFactory.createTitledBorder("Installed Extension Providers"));
-        providers = new Vector<String>();
+        providers = new Vector<>();
        for (Object provider : ProviderManager.getExtensionProviders()) {
            if (provider.getClass() == Class.class) {
                providers.add(((Class<?>) provider).getName());
@ -305,7 +305,7 @@ public final class EnhancedDebuggerWindow {
        menuItem.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
-                ArrayList<EnhancedDebugger> debuggersToRemove = new ArrayList<EnhancedDebugger>();
+                ArrayList<EnhancedDebugger> debuggersToRemove = new ArrayList<>();
                // Remove all the debuggers of which their connections are no longer valid
                for (int index = 0; index < tabbedPane.getComponentCount() - 1; index++) {
                    EnhancedDebugger debugger = debuggers.get(index);
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/carbons/packet/CarbonExtension.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/carbons/packet/CarbonExtension.java
@ -123,7 +123,7 @@ public class CarbonExtension implements ExtensionElement {
    /**
     * Defines the direction of a {@link CarbonExtension} message.
     */
-    public static enum Direction {
+    public enum Direction {
        received,
        sent
    }
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/eme/element/ExplicitMessageEncryptionElement.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/eme/element/ExplicitMessageEncryptionElement.java
@ -48,7 +48,7 @@ public class ExplicitMessageEncryptionElement implements ExtensionElement {
        private final String namespace;
        private final String name;

-        private ExplicitMessageEncryptionProtocol(String namespace, String name) {
+        ExplicitMessageEncryptionProtocol(String namespace, String name) {
            this.namespace = namespace;
            this.name = name;
            PROTOCOL_LUT.put(namespace, this);
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/hoxt/packet/AbstractHttpOverXmpp.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/hoxt/packet/AbstractHttpOverXmpp.java
@ -90,7 +90,7 @@ public abstract class AbstractHttpOverXmpp extends IQ {
    /**
     * A builder for XMPP connection configurations.
     * <p>
-     * See ConnectionConfiguration Buidler for more details.
+     * See ConnectionConfiguration Builder for more details.
     * </p>
     *
     * @param <B> the builder type parameter.
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/control/ThingControlRequest.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/control/ThingControlRequest.java
@ -26,6 +26,6 @@ import org.jxmpp.jid.Jid;

 public interface ThingControlRequest {

-    public void processRequest(Jid from, Collection<SetData> setData) throws XMPPErrorException;
+    void processRequest(Jid from, Collection<SetData> setData) throws XMPPErrorException;

 }
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/control/element/IoTSetResponse.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/control/element/IoTSetResponse.java
@ -29,7 +29,7 @@ public class IoTSetResponse extends IQ {

    public IoTSetResponse(IoTSetRequest iotSetRequest) {
        this();
-        initialzeAsResultFor(iotSetRequest);
+        initializeAsResultFor(iotSetRequest);
    }

    @Override
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/control/element/SetData.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/control/element/SetData.java
@ -32,7 +32,7 @@ public abstract class SetData implements NamedElement {

        private final String toStringCache;

-        private Type() {
+        Type() {
            toStringCache = this.name().toLowerCase(Locale.US);
        }

--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/data/ThingMomentaryReadOutRequest.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/data/ThingMomentaryReadOutRequest.java
@ -18,6 +18,6 @@ package org.jivesoftware.smackx.iot.data;

 public interface ThingMomentaryReadOutRequest {

-    public void momentaryReadOutRequest(ThingMomentaryReadOutResult callback);
+    void momentaryReadOutRequest(ThingMomentaryReadOutResult callback);

 }
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/data/ThingMomentaryReadOutResult.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/data/ThingMomentaryReadOutResult.java
@ -22,6 +22,6 @@ import org.jivesoftware.smackx.iot.data.element.IoTDataField;

 public interface ThingMomentaryReadOutResult {

-    public void momentaryReadOut(List<? extends IoTDataField> results);
+    void momentaryReadOut(List<? extends IoTDataField> results);

 }
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/data/element/IoTDataRequest.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/data/element/IoTDataRequest.java
@ -24,7 +24,7 @@ public class IoTDataRequest extends IQ {
    public static final String NAMESPACE = Constants.IOT_SENSORDATA_NAMESPACE;

    /**
-     * The sequence nummber. According to XEP-0323 an xs:int.
+     * The sequence number. According to XEP-0323 an xs:int.
     */
    private final int seqNr;

--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/discovery/ThingStateChangeListener.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/discovery/ThingStateChangeListener.java
@ -20,6 +20,6 @@ import org.jxmpp.jid.BareJid;

 public interface ThingStateChangeListener {

-    public void owned(BareJid owner);
+    void owned(BareJid owner);

 }
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/discovery/element/Tag.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/discovery/element/Tag.java
@ -25,7 +25,7 @@ public class Tag implements NamedElement {

    public enum Type {
        str,
-        num;
+        num
    }

    private final String name;
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/provisioning/IoTProvisioningManager.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/iot/provisioning/IoTProvisioningManager.java
@ -161,8 +161,8 @@ public final class IoTProvisioningManager extends Manager {
                    // Notify the recommended friend that we will now accept his
                    // friendship requests.
                    final XMPPConnection connection = connection();
-                    Friend friendNotifiacation = new Friend(connection.getUser().asBareJid());
-                    Message notificationMessage = new Message(friendJid, friendNotifiacation);
+                    Friend friendNotification = new Friend(connection.getUser().asBareJid());
+                    Message notificationMessage = new Message(friendJid, friendNotification);
                    connection.sendStanza(notificationMessage);
                } else {
                    // Check is the message was send from a thing we previously
@ -236,7 +236,7 @@ public final class IoTProvisioningManager extends Manager {
                }
                catch (NoResponseException | XMPPErrorException | NotConnectedException | InterruptedException e) {
                    LOGGER.log(Level.WARNING,
-                                    "Could not determine privisioning server. Ignoring friend request from " + from, e);
+                                    "Could not determine provisioning server. Ignoring friend request from " + from, e);
                }
                if (provisioningServer == null) {
                    return null;
@ -420,7 +420,7 @@ public final class IoTProvisioningManager extends Manager {
        if (!provisioningServer.equals(stanza.getFrom())) {
            if (log) {
                LOGGER.warning("Ignoring  request '" + stanza
-                                + "' because not from provising server '" + provisioningServer
+                                + "' because not from provisioning server '" + provisioningServer
                                + "'.");
            }
            return false;
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/mam/MamManager.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/mam/MamManager.java
@ -239,11 +239,11 @@ public final class MamManager extends Manager {


    /**
-     * Query an message archive like a MUC archive or a pubsub node archive, addressed by an archiveAddress, applying
+     * Query an message archive like a MUC archive or a PubSub node archive, addressed by an archiveAddress, applying
     * filters: max count, start date, end date, from/to JID and with additional fields. When archiveAddress is null the
     * default, the server will be requested.
     * 
-     * @param node The Pubsub node name, can be null
+     * @param node The PubSub node name, can be null
     * @param max
     * @param start
     * @param end
@ -346,7 +346,7 @@ public final class MamManager extends Manager {
    /**
     * Returns a page of the archive.
     * 
-     * @param node The Pubsub node name, can be null
+     * @param node The PubSub node name, can be null
     * @param dataForm
     * @param rsmSet
     * @return the MAM query result
@ -498,7 +498,7 @@ public final class MamManager extends Manager {
    /**
     * Get the form fields supported by the server.
     * 
-     * @param node The Pubsub node name, can be null
+     * @param node The PubSub node name, can be null
     * @return the list of form fields.
     * @throws NoResponseException
     * @throws XMPPErrorException
@ -521,7 +521,7 @@ public final class MamManager extends Manager {
    private MamQueryResult queryArchive(MamQueryIQ mamQueryIq) throws NoResponseException, XMPPErrorException,
            NotConnectedException, InterruptedException, NotLoggedInException {
        final XMPPConnection connection = getAuthenticatedConnectionOrThrow();
-        MamFinIQ mamFinIQ = null;
+        MamFinIQ mamFinIQ;

        StanzaCollector mamFinIQCollector = connection.createStanzaCollector(new IQReplyFilter(mamQueryIq, connection));

--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/muclight/MultiUserChatLight.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/muclight/MultiUserChatLight.java
@ -82,7 +82,7 @@ public class MultiUserChatLight {
     * Same as {@link #fromRoomFilter} together with
     * {@link MessageTypeFilter#GROUPCHAT}.
     */
-    private final StanzaFilter fromRoomGroupchatFilter;
+    private final StanzaFilter fromRoomGroupChatFilter;

    private final StanzaListener messageListener;

@ -93,7 +93,7 @@ public class MultiUserChatLight {
        this.room = room;

        fromRoomFilter = FromMatchesFilter.create(room);
-        fromRoomGroupchatFilter = new AndFilter(fromRoomFilter, MessageTypeFilter.GROUPCHAT);
+        fromRoomGroupChatFilter = new AndFilter(fromRoomFilter, MessageTypeFilter.GROUPCHAT);

        messageListener = new StanzaListener() {
            @Override
@ -105,7 +105,7 @@ public class MultiUserChatLight {
            }
        };

-        connection.addSyncStanzaListener(messageListener, fromRoomGroupchatFilter);
+        connection.addSyncStanzaListener(messageListener, fromRoomGroupChatFilter);
    }

    /**
@ -265,7 +265,7 @@ public class MultiUserChatLight {
            throws Exception {
        MUCLightCreateIQ createMUCLightIQ = new MUCLightCreateIQ(room, roomName, occupants);

-        messageCollector = connection.createStanzaCollector(fromRoomGroupchatFilter);
+        messageCollector = connection.createStanzaCollector(fromRoomGroupChatFilter);

        try {
            connection.createStanzaCollectorAndSend(createMUCLightIQ).nextResultOrThrow();
--- a/smack-experimental/src/main/java/org/jivesoftware/smackx/muclight/MultiUserChatLightManager.java
+++ b/smack-experimental/src/main/java/org/jivesoftware/smackx/muclight/MultiUserChatLightManager.java
@ -96,7 +96,7 @@ public final class MultiUserChatLightManager extends Manager {

    private MultiUserChatLight createNewMucLightAndAddToMap(EntityBareJid jid) {
        MultiUserChatLight multiUserChatLight = new MultiUserChatLight(connection(), jid);
-        multiUserChatLights.put(jid, new WeakReference<MultiUserChatLight>(multiUserChatLight));
+        multiUserChatLights.put(jid, new WeakReference<>(multiUserChatLight));
        return multiUserChatLight;
    }

@ -193,11 +193,11 @@ public final class MultiUserChatLightManager extends Manager {
     */
    public List<Jid> getRoomsBlocked(DomainBareJid mucLightService)
            throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
-        MUCLightBlockingIQ muclIghtBlockingIQResult = getBlockingList(mucLightService);
+        MUCLightBlockingIQ mucLightBlockingIQResult = getBlockingList(mucLightService);

        List<Jid> jids = new ArrayList<>();
-        if (muclIghtBlockingIQResult.getRooms() != null) {
-            jids.addAll(muclIghtBlockingIQResult.getRooms().keySet());
+        if (mucLightBlockingIQResult.getRooms() != null) {
+            jids.addAll(mucLightBlockingIQResult.getRooms().keySet());
        }

        return jids;
@ -215,11 +215,11 @@ public final class MultiUserChatLightManager extends Manager {
     */
    public List<Jid> getUsersBlocked(DomainBareJid mucLightService)
            throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
-        MUCLightBlockingIQ muclIghtBlockingIQResult = getBlockingList(mucLightService);
+        MUCLightBlockingIQ mucLightBlockingIQResult = getBlockingList(mucLightService);

        List<Jid> jids = new ArrayList<>();
-        if (muclIghtBlockingIQResult.getUsers() != null) {
-            jids.addAll(muclIghtBlockingIQResult.getUsers().keySet());
+        if (mucLightBlockingIQResult.getUsers() != null) {
+            jids.addAll(mucLightBlockingIQResult.getUsers().keySet());
        }

        return jids;
@ -234,9 +234,9 @@ public final class MultiUserChatLightManager extends Manager {
        StanzaFilter responseFilter = new IQReplyFilter(mucLightBlockingIQ, connection());
        IQ responseIq = connection().createStanzaCollectorAndSend(responseFilter, mucLightBlockingIQ)
                .nextResultOrThrow();
-        MUCLightBlockingIQ muclIghtBlockingIQResult = (MUCLightBlockingIQ) responseIq;
+        MUCLightBlockingIQ mucLightBlockingIQResult = (MUCLightBlockingIQ) responseIq;

-        return muclIghtBlockingIQResult;
+        return mucLightBlockingIQResult;
    }

    /**
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/ExperimentalInitializerTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/ExperimentalInitializerTest.java
@ -27,7 +27,7 @@ import org.junit.Test;
 public class ExperimentalInitializerTest {

    @Test
-    public void testExperimentalInitialzer() {
+    public void testExperimentalInitializer() {
        ExperimentalInitializer epi = new ExperimentalInitializer();
        List<Exception> exceptions = epi.initialize();
        assertTrue(exceptions.size() == 0);
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/carbons/CarbonTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/carbons/CarbonTest.java
@ -16,7 +16,7 @@
 */
 package org.jivesoftware.smackx.carbons;

-import static org.jivesoftware.smack.test.util.CharsequenceEquals.equalsCharSequence;
+import static org.jivesoftware.smack.test.util.CharSequenceEquals.equalsCharSequence;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;

--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/chat_markers/AcknowledgedExtensionTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/chat_markers/AcknowledgedExtensionTest.java
@ -49,7 +49,7 @@ public class AcknowledgedExtensionTest {
        AcknowledgedExtension acknowledgedExtension1 = new AcknowledgedProvider().parse(parser);
        Assert.assertEquals("message-1", acknowledgedExtension1.getId());

-        Message message = (Message) PacketParserUtils.parseStanza(acknowledgedMessageStanza);
+        Message message = PacketParserUtils.parseStanza(acknowledgedMessageStanza);
        AcknowledgedExtension acknowledgedExtension2 = AcknowledgedExtension.from(message);
        Assert.assertEquals("message-1", acknowledgedExtension2.getId());
    }
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/chat_markers/DisplayedExtensionTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/chat_markers/DisplayedExtensionTest.java
@ -49,7 +49,7 @@ public class DisplayedExtensionTest {
        DisplayedExtension displayedExtension1 = new DisplayedProvider().parse(parser);
        Assert.assertEquals("message-1", displayedExtension1.getId());

-        Message message = (Message) PacketParserUtils.parseStanza(displayedMessageStanza);
+        Message message = PacketParserUtils.parseStanza(displayedMessageStanza);
        DisplayedExtension displayedExtension2 = DisplayedExtension.from(message);
        Assert.assertEquals("message-1", displayedExtension2.getId());
    }
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/chat_markers/MarkableExtensionTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/chat_markers/MarkableExtensionTest.java
@ -51,7 +51,7 @@ public class MarkableExtensionTest {
        MarkableExtension markableExtension1 = new MarkableProvider().parse(parser);
        Assert.assertEquals(markableExtension, markableExtension1.toXML().toString());

-        Message message = (Message) PacketParserUtils.parseStanza(markableMessageStanza);
+        Message message = PacketParserUtils.parseStanza(markableMessageStanza);
        MarkableExtension markableExtension2 = MarkableExtension.from(message);
        Assert.assertEquals(markableExtension, markableExtension2.toXML().toString());
    }
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/chat_markers/ReceivedExtensionTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/chat_markers/ReceivedExtensionTest.java
@ -49,7 +49,7 @@ public class ReceivedExtensionTest {
        ReceivedExtension receivedExtension1 = new ReceivedProvider().parse(parser);
        Assert.assertEquals("message-1", receivedExtension1.getId());

-        Message message = (Message) PacketParserUtils.parseStanza(receivedMessageStanza);
+        Message message = PacketParserUtils.parseStanza(receivedMessageStanza);
        ReceivedExtension receivedExtension2 = ReceivedExtension.from(message);
        Assert.assertEquals("message-1", receivedExtension2.getId());
    }
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/hoxt/provider/HttpOverXmppReqProviderTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/hoxt/provider/HttpOverXmppReqProviderTest.java
@ -72,7 +72,6 @@ public class HttpOverXmppReqProviderTest {
        XmlPullParser parser = PacketParserUtils.getParserFor(string);
        IQ iq = provider.parse(parser);
        assertTrue(iq instanceof HttpOverXmppReq);
-        HttpOverXmppReq castedIq = (HttpOverXmppReq) iq;
-        return castedIq;
+        return  (HttpOverXmppReq) iq;
    }
 }
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/httpfileupload/FileTooLargeErrorCreateTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/httpfileupload/FileTooLargeErrorCreateTest.java
@ -22,7 +22,7 @@ import org.junit.Assert;
 import org.junit.Test;

 public class FileTooLargeErrorCreateTest {
-    String fileTooLargeErrorExtensionExample
+    private static final String fileTooLargeErrorExtensionExample
            = "<file-too-large xmlns='urn:xmpp:http:upload:0'>"
            +   "<max-file-size>20000</max-file-size>"
            + "</file-too-large>";
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/httpfileupload/SlotCreateTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/httpfileupload/SlotCreateTest.java
@ -28,7 +28,7 @@ import org.junit.Test;
 import org.xml.sax.SAXException;

 public class SlotCreateTest {
-    String testSlot
+    private static final String testSlot
            = "<slot xmlns='urn:xmpp:http:upload:0'>"
            +     "<put url='https://upload.montague.tld/4a771ac1-f0b2-4a4a-9700-f2a26fa2bb67/my_juliet.png'></put>"
            +     "<get url='https://download.montague.tld/4a771ac1-f0b2-4a4a-9700-f2a26fa2bb67/my_juliet.png'></get>"
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/httpfileupload/SlotRequestCreateTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/httpfileupload/SlotRequestCreateTest.java
@ -29,14 +29,14 @@ import org.xml.sax.SAXException;

 public class SlotRequestCreateTest {

-    String testRequest
+    private static final String testRequest
            = "<request xmlns='urn:xmpp:http:upload:0'"
            +   " filename='my_juliet.png'"
            +   " size='23456'"
            +   " content-type='image/jpeg'"
            + "/>";

-    String testRequestWithoutContentType
+    private static final String testRequestWithoutContentType
            = "<request xmlns='urn:xmpp:http:upload:0'"
            +   " filename='my_romeo.png'"
            +   " size='52523'"
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/httpfileupload/provider/FileTooLargeErrorProviderTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/httpfileupload/provider/FileTooLargeErrorProviderTest.java
@ -30,7 +30,7 @@ public class FileTooLargeErrorProviderTest {
     * Example 7. Alternative response by the upload service if the file size was too large
     * @see <a href="http://xmpp.org/extensions/xep-0363.html#errors">XEP-0363: HTTP File Upload 5. Error conditions</a>
     */
-    String slotErrorFileToLarge
+    private static final String slotErrorFileToLarge
            = "<iq from='upload.montague.tld' "
            +       "id='step_03' "
            +       "to='romeo@montague.tld/garden' "
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/MamFinProviderTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/MamFinProviderTest.java
@ -61,7 +61,7 @@ public class MamFinProviderTest extends MamTest {
                        + "</iq>";
        // @formatter:on

-        IQ iq = (IQ) PacketParserUtils.parseStanza(IQ_LIMITED_RESULTS_EXAMPLE);
+        IQ iq = PacketParserUtils.parseStanza(IQ_LIMITED_RESULTS_EXAMPLE);

        MamFinIQ mamFinIQ = (MamFinIQ) iq;
        Assert.assertEquals(mamFinIQ.getType(), Type.result);
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/MamPrefIQProviderTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/MamPrefIQProviderTest.java
@ -31,18 +31,18 @@ import org.xmlpull.v1.XmlPullParser;

 public class MamPrefIQProviderTest extends MamTest {

-    String exampleMamPrefsIQ1 = "<iq type='set' id='juliet3'>" + "<prefs xmlns='urn:xmpp:mam:1' default='roster'>"
+    private static final String exampleMamPrefsIQ1 = "<iq type='set' id='juliet3'>" + "<prefs xmlns='urn:xmpp:mam:1' default='roster'>"
            + "<always>" + "<jid>romeo@montague.lit</jid>" + "</always>" + "<never>"
            + "<jid>montague@montague.lit</jid>" + "</never>" + "</prefs>" + "</iq>";

-    String exampleMamPrefsIQ2 = "<iq type='set' id='juliet3'>" + "<prefs xmlns='urn:xmpp:mam:1' default='roster'>"
+    private static final String exampleMamPrefsIQ2 = "<iq type='set' id='juliet3'>" + "<prefs xmlns='urn:xmpp:mam:1' default='roster'>"
            + "<always>" + "<jid>romeo@montague.lit</jid>" + "<jid>montague@montague.lit</jid>" + "</always>"
            + "<never>" + "</never>" + "</prefs>" + "</iq>";

-    String exampleMamPrefsIQ3 = "<iq type='get' id='juliet3'>" + "<prefs xmlns='urn:xmpp:mam:1'>" + "</prefs>"
+    private static final String exampleMamPrefsIQ3 = "<iq type='get' id='juliet3'>" + "<prefs xmlns='urn:xmpp:mam:1'>" + "</prefs>"
            + "</iq>";

-    String exampleMamPrefsResultIQ = "<iq type='result' id='juliet3'>"
+    private static final String exampleMamPrefsResultIQ = "<iq type='result' id='juliet3'>"
            + "<prefs xmlns='urn:xmpp:mam:1' default='roster'>" + "<always>" + "<jid>romeo@montague.lit</jid>"
            + "</always>" + "<never>" + "<jid>sarasa@montague.lit</jid>" + "<jid>montague@montague.lit</jid>"
            + "</never>" + "</prefs>" + "</iq>";
@ -53,14 +53,14 @@ public class MamPrefIQProviderTest extends MamTest {
        MamPrefsIQ mamPrefIQ1 = new MamPrefsIQProvider().parse(parser1);

        Assert.assertEquals(IQ.Type.set, mamPrefIQ1.getType());
-        Assert.assertEquals(mamPrefIQ1.getAlwaysJids().get(0), "romeo@montague.lit");
-        Assert.assertEquals(mamPrefIQ1.getNeverJids().get(0), "montague@montague.lit");
+        Assert.assertEquals(mamPrefIQ1.getAlwaysJids().get(0).toString(), "romeo@montague.lit");
+        Assert.assertEquals(mamPrefIQ1.getNeverJids().get(0).toString(), "montague@montague.lit");

        XmlPullParser parser2 = PacketParserUtils.getParserFor(exampleMamPrefsIQ2);
        MamPrefsIQ mamPrefIQ2 = new MamPrefsIQProvider().parse(parser2);
        Assert.assertEquals(IQ.Type.set, mamPrefIQ2.getType());
-        Assert.assertEquals(mamPrefIQ2.getAlwaysJids().get(0), "romeo@montague.lit");
-        Assert.assertEquals(mamPrefIQ2.getAlwaysJids().get(1), "montague@montague.lit");
+        Assert.assertEquals(mamPrefIQ2.getAlwaysJids().get(0).toString(), "romeo@montague.lit");
+        Assert.assertEquals(mamPrefIQ2.getAlwaysJids().get(1).toString(), "montague@montague.lit");
        Assert.assertTrue(mamPrefIQ2.getNeverJids().isEmpty());

        XmlPullParser parser3 = PacketParserUtils.getParserFor(exampleMamPrefsIQ3);
@ -70,7 +70,7 @@ public class MamPrefIQProviderTest extends MamTest {

    @Test
    public void checkMamPrefResult() throws Exception {
-        IQ iq = (IQ) PacketParserUtils.parseStanza(exampleMamPrefsResultIQ);
+        IQ iq = PacketParserUtils.parseStanza(exampleMamPrefsResultIQ);

        MamPrefsIQ mamPrefsIQ = (MamPrefsIQ) iq;

--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/MamQueryIQProviderTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/MamQueryIQProviderTest.java
@ -32,7 +32,7 @@ import org.junit.Test;

 public class MamQueryIQProviderTest {

-    String exampleMamQueryIQ1 = "<iq type='set' id='query4'>" + "<query xmlns='urn:xmpp:mam:1' queryid='test'>"
+    private static final String exampleMamQueryIQ1 = "<iq type='set' id='query4'>" + "<query xmlns='urn:xmpp:mam:1' queryid='test'>"
            + "<x xmlns='jabber:x:data' type='submit'>" + "<field type='hidden' var='FORM_TYPE'>"
            + "<value>urn:xmpp:mam:1</value>" + "</field>"
            + "<field type='text-single' var='urn:example:xmpp:free-text-search'>"
@ -41,7 +41,7 @@ public class MamQueryIQProviderTest {
            + "<value>{http://jabber.org/protocol/mood}mood/lonely</value>" + "</field>" + "</x>" + "</query>"
            + "</iq>";

-    String exampleMamQueryIQ2 = "<iq type='result' id='form1'>" + "<query xmlns='urn:xmpp:mam:1'>"
+    private static final String exampleMamQueryIQ2 = "<iq type='result' id='form1'>" + "<query xmlns='urn:xmpp:mam:1'>"
            + "<x xmlns='jabber:x:data' type='form'>" + "<field type='hidden' var='FORM_TYPE'>"
            + "<value>urn:xmpp:mam:1</value>" + "</field>" + "<field type='jid-single' var='with'/>"
            + "<field type='text-single' var='start'/>" + "<field type='text-single' var='end'/>"
@ -51,7 +51,7 @@ public class MamQueryIQProviderTest {
    @Test
    public void checkMamQueryIQProvider() throws Exception {
        // example 1
-        IQ iq1 = (IQ) PacketParserUtils.parseStanza(exampleMamQueryIQ1);
+        IQ iq1 = PacketParserUtils.parseStanza(exampleMamQueryIQ1);
        MamQueryIQ mamQueryIQ1 = (MamQueryIQ) iq1;

        Assert.assertEquals(mamQueryIQ1.getType(), Type.set);
@ -67,7 +67,7 @@ public class MamQueryIQProviderTest {
        Assert.assertEquals(fields1.get(2).getValues().get(0), "{http://jabber.org/protocol/mood}mood/lonely");

        // example2
-        IQ iq2 = (IQ) PacketParserUtils.parseStanza(exampleMamQueryIQ2);
+        IQ iq2 = PacketParserUtils.parseStanza(exampleMamQueryIQ2);
        MamQueryIQ mamQueryIQ2 = (MamQueryIQ) iq2;

        Assert.assertEquals(mamQueryIQ2.getType(), Type.result);
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/MamResultProviderTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/MamResultProviderTest.java
@ -33,14 +33,14 @@ import org.xmlpull.v1.XmlPullParser;

 public class MamResultProviderTest {

-    String exampleMamResultXml = "<result xmlns='urn:xmpp:mam:1' queryid='f27' id='28482-98726-73623'>"
+    private static final String exampleMamResultXml = "<result xmlns='urn:xmpp:mam:1' queryid='f27' id='28482-98726-73623'>"
            + "<forwarded xmlns='urn:xmpp:forward:0'>" + "<delay xmlns='urn:xmpp:delay' stamp='2010-07-10T23:08:25Z'/>"
            + "<message xmlns='jabber:client'" + "to='juliet@capulet.lit/balcony'" + "from='romeo@montague.lit/orchard'"
            + "type='chat'>"
            + "<body>Call me but love, and I'll be new baptized; Henceforth I never will be Romeo.</body>"
            + "</message>" + "</forwarded>" + "</result>";

-    String exampleResultMessage = "<message id='aeb213' to='juliet@capulet.lit/chamber'>"
+    private static final String exampleResultMessage = "<message id='aeb213' to='juliet@capulet.lit/chamber'>"
            + "<result xmlns='urn:xmpp:mam:1' queryid='f27' id='28482-98726-73623'>"
            + "<forwarded xmlns='urn:xmpp:forward:0'>" + "<delay xmlns='urn:xmpp:delay' stamp='2010-07-10T23:08:25Z'/>"
            + "<message xmlns='jabber:client' from='witch@shakespeare.lit' to='macbeth@shakespeare.lit'>"
@ -62,15 +62,15 @@ public class MamResultProviderTest {
        Assert.assertEquals(forwarded.getDelayInformation().getStamp(), date);

        Message message = (Message) forwarded.getForwardedStanza();
-        Assert.assertEquals(message.getFrom(), "romeo@montague.lit/orchard");
-        Assert.assertEquals(message.getTo(), "juliet@capulet.lit/balcony");
+        Assert.assertEquals(message.getFrom().toString(), "romeo@montague.lit/orchard");
+        Assert.assertEquals(message.getTo().toString(), "juliet@capulet.lit/balcony");
        Assert.assertEquals(message.getBody(),
                "Call me but love, and I'll be new baptized; Henceforth I never will be Romeo.");
    }

    @Test
    public void checkResultsParse() throws Exception {
-        Message message = (Message) PacketParserUtils.parseStanza(exampleResultMessage);
+        Message message = PacketParserUtils.parseStanza(exampleResultMessage);
        MamResultExtension mamResultExtension = MamResultExtension.from(message);

        Assert.assertEquals(mamResultExtension.getQueryId(), "f27");
@ -84,8 +84,8 @@ public class MamResultProviderTest {
        Assert.assertEquals(forwarded.getDelayInformation().getStamp(), date);

        Message forwardedMessage = (Message) forwarded.getForwardedStanza();
-        Assert.assertEquals(forwardedMessage.getFrom(), "witch@shakespeare.lit");
-        Assert.assertEquals(forwardedMessage.getTo(), "macbeth@shakespeare.lit");
+        Assert.assertEquals(forwardedMessage.getFrom().toString(), "witch@shakespeare.lit");
+        Assert.assertEquals(forwardedMessage.getTo().toString(), "macbeth@shakespeare.lit");
        Assert.assertEquals(forwardedMessage.getBody(), "Hail to thee");
    }

--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/PreferencesTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/PreferencesTest.java
@ -30,10 +30,10 @@ import org.jxmpp.jid.impl.JidCreate;

 public class PreferencesTest {

-    String retrievePrefsStanzaExample = "<iq id='sarasa' type='get'>" + "<prefs xmlns='" + MamElements.NAMESPACE
+    private static final String retrievePrefsStanzaExample = "<iq id='sarasa' type='get'>" + "<prefs xmlns='" + MamElements.NAMESPACE
            + "'/>" + "</iq>";

-    String updatePrefsStanzaExample = "<iq id='sarasa' type='set'>" + "<prefs xmlns='" + MamElements.NAMESPACE
+    private static final String updatePrefsStanzaExample = "<iq id='sarasa' type='set'>" + "<prefs xmlns='" + MamElements.NAMESPACE
            + "' default='roster'>" + "<always>" + "<jid>romeo@montague.lit</jid>" + "<jid>other@montague.lit</jid>"
            + "</always>" + "<never>" + "<jid>montague@montague.lit</jid>" + "</never>" + "</prefs>" + "</iq>";

--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/QueryArchiveTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/QueryArchiveTest.java
@ -37,11 +37,11 @@ import org.jxmpp.jid.impl.JidCreate;

 public class QueryArchiveTest extends MamTest {

-    String mamSimpleQueryIQ = "<iq id='sarasa' type='set'>" + "<query xmlns='urn:xmpp:mam:1' queryid='testid'>"
+    private static final String mamSimpleQueryIQ = "<iq id='sarasa' type='set'>" + "<query xmlns='urn:xmpp:mam:1' queryid='testid'>"
            + "<x xmlns='jabber:x:data' type='submit'>" + "<field var='FORM_TYPE' type='hidden'>" + "<value>"
            + MamElements.NAMESPACE + "</value>" + "</field>" + "</x>" + "</query>" + "</iq>";

-    String mamQueryResultExample = "<message to='hag66@shakespeare.lit/pda' from='coven@chat.shakespeare.lit' id='iasd207'>"
+    private static final String mamQueryResultExample = "<message to='hag66@shakespeare.lit/pda' from='coven@chat.shakespeare.lit' id='iasd207'>"
            + "<result xmlns='urn:xmpp:mam:1' queryid='g27' id='34482-21985-73620'>"
            + "<forwarded xmlns='urn:xmpp:forward:0'>"
            + "<delay xmlns='urn:xmpp:delay' stamp='2002-10-13T23:58:37.000+00:00'></delay>" + "<message "
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/ResultsLimitTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/mam/ResultsLimitTest.java
@ -29,7 +29,7 @@ import org.junit.Test;

 public class ResultsLimitTest extends MamTest {

-    String resultsLimitStanza = "<iq id='sarasa' type='set'>" + "<query xmlns='urn:xmpp:mam:1' queryid='testid'>"
+    private static final String resultsLimitStanza = "<iq id='sarasa' type='set'>" + "<query xmlns='urn:xmpp:mam:1' queryid='testid'>"
            + "<x xmlns='jabber:x:data' type='submit'>" + "<field var='FORM_TYPE' type='hidden'>" + "<value>"
            + MamElements.NAMESPACE + "</value>" + "</field>" + "</x>" + "<set xmlns='http://jabber.org/protocol/rsm'>"
            + "<max>10</max>" + "</set>" + "</query>" + "</iq>";
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightAffiliationsChangeExtensionTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightAffiliationsChangeExtensionTest.java
@ -30,19 +30,19 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightAffiliationsChangeExtensionTest {

-    String exampleMessageStanza = "<message " + "to='coven@muclight.shakespeare.lit' id='member1' type='groupchat'>"
+    private static final String exampleMessageStanza = "<message " + "to='coven@muclight.shakespeare.lit' id='member1' type='groupchat'>"
            + "<x xmlns='urn:xmpp:muclight:0#affiliations'>"
            + "<user affiliation='owner'>sarasa2@shakespeare.lit</user>"
            + "<user affiliation='member'>sarasa1@shakespeare.lit</user>"
            + "<user affiliation='none'>sarasa3@shakespeare.lit</user>" + "</x>" + "</message>";

-    String exampleMessageStanzaWithVersion = "<message "
+    private static final String exampleMessageStanzaWithVersion = "<message "
            + "to='coven@muclight.shakespeare.lit' id='member1' type='groupchat'>"
            + "<x xmlns='urn:xmpp:muclight:0#affiliations'>" + "<version>qwerty</version>"
            + "<user affiliation='member'>sarasa1@shakespeare.lit</user>"
            + "<user affiliation='none'>sarasa3@shakespeare.lit</user>" + "</x>" + "<body></body>" + "</message>";

-    String exampleMessageStanzaWithPrevVersion = "<message "
+    private static final String exampleMessageStanzaWithPrevVersion = "<message "
            + "to='coven@muclight.shakespeare.lit' id='member1' type='groupchat'>"
            + "<x xmlns='urn:xmpp:muclight:0#affiliations'>" + "<prev-version>njiokm</prev-version>"
            + "<version>qwerty</version>" + "<user affiliation='owner'>sarasa2@shakespeare.lit</user>"
@ -50,7 +50,7 @@ public class MUCLightAffiliationsChangeExtensionTest {

    @Test
    public void checkAffiliationsChangeExtension() throws Exception {
-        Message changeAffiliationsMessage = (Message) PacketParserUtils.parseStanza(exampleMessageStanza);
+        Message changeAffiliationsMessage = PacketParserUtils.parseStanza(exampleMessageStanza);
        AffiliationsChangeExtension affiliationsChangeExtension = AffiliationsChangeExtension
                .from(changeAffiliationsMessage);

@ -63,7 +63,7 @@ public class MUCLightAffiliationsChangeExtensionTest {

    @Test
    public void checkAffiliationsChangeExtensionWithVersion() throws Exception {
-        Message changeAffiliationsMessage = (Message) PacketParserUtils.parseStanza(exampleMessageStanzaWithVersion);
+        Message changeAffiliationsMessage = PacketParserUtils.parseStanza(exampleMessageStanzaWithVersion);
        AffiliationsChangeExtension affiliationsChangeExtension = AffiliationsChangeExtension
                .from(changeAffiliationsMessage);

@ -77,7 +77,7 @@ public class MUCLightAffiliationsChangeExtensionTest {

    @Test
    public void checkAffiliationsChangeExtensionWithPrevVersion() throws Exception {
-        Message changeAffiliationsMessage = (Message) PacketParserUtils
+        Message changeAffiliationsMessage = PacketParserUtils
                .parseStanza(exampleMessageStanzaWithPrevVersion);
        AffiliationsChangeExtension affiliationsChangeExtension = AffiliationsChangeExtension
                .from(changeAffiliationsMessage);
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightBlockingTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightBlockingTest.java
@ -31,25 +31,25 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightBlockingTest {

-    String getBlockingListIQExample = "<iq to='muclight.shakespeare.lit' id='getblock1' type='get'>"
+    private static final String getBlockingListIQExample = "<iq to='muclight.shakespeare.lit' id='getblock1' type='get'>"
            + "<query xmlns='urn:xmpp:muclight:0#blocking'>" + "</query>" + "</iq>";

-    String getBlockingListIQResponse = "<iq type='result' id='getblock1' to='crone1@shakespeare.lit/desktop' from='muclight.shakespeare.lit'>"
+    private static final String getBlockingListIQResponse = "<iq type='result' id='getblock1' to='crone1@shakespeare.lit/desktop' from='muclight.shakespeare.lit'>"
            + "<query xmlns='urn:xmpp:muclight:0#blocking'>"
            + "<room action='deny'>coven@muclight.shakespeare.lit</room>"
            + "<room action='deny'>sarasa@muclight.shakespeare.lit</room>"
            + "<user action='deny'>hag77@shakespeare.lit</user>" + "</query>" + "</iq>";

-    String blockingRoomsIQExample = "<iq to='muclight.shakespeare.lit' id='block1' type='set'>"
+    private static final String blockingRoomsIQExample = "<iq to='muclight.shakespeare.lit' id='block1' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#blocking'>"
            + "<room action='deny'>coven@muclight.shakespeare.lit</room>"
            + "<room action='deny'>chapel@shakespeare.lit</room>" + "</query>" + "</iq>";

-    String blockingUsersIQExample = "<iq to='muclight.shakespeare.lit' id='block2' type='set'>"
+    private static final String blockingUsersIQExample = "<iq to='muclight.shakespeare.lit' id='block2' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#blocking'>" + "<user action='deny'>hag77@shakespeare.lit</user>"
            + "<user action='deny'>hag66@shakespeare.lit</user>" + "</query>" + "</iq>";

-    String unblockingUsersAndRoomsExample = "<iq to='muclight.shakespeare.lit' id='unblock1' type='set'>"
+    private static final String unblockingUsersAndRoomsExample = "<iq to='muclight.shakespeare.lit' id='unblock1' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#blocking'>"
            + "<room action='allow'>coven@muclight.shakespeare.lit</room>"
            + "<user action='allow'>hag66@shakespeare.lit</user>" + "</query>" + "</iq>";
@ -66,7 +66,7 @@ public class MUCLightBlockingTest {

    @Test
    public void checkGetBlockingListResponse() throws Exception {
-        IQ iqInfoResult = (IQ) PacketParserUtils.parseStanza(getBlockingListIQResponse);
+        IQ iqInfoResult = PacketParserUtils.parseStanza(getBlockingListIQResponse);
        MUCLightBlockingIQ mucLightBlockingIQ = (MUCLightBlockingIQ) iqInfoResult;

        Assert.assertEquals(2, mucLightBlockingIQ.getRooms().size());
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightChangeAffiliationsIQTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightChangeAffiliationsIQTest.java
@ -29,7 +29,7 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightChangeAffiliationsIQTest {

-    String stanza = "<iq " + "to='coven@muclight.shakespeare.lit' id='member1' type='set'>"
+    private static final String stanza = "<iq " + "to='coven@muclight.shakespeare.lit' id='member1' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#affiliations'>"
            + "<user affiliation='owner'>sarasa2@shakespeare.lit</user>"
            + "<user affiliation='member'>sarasa1@shakespeare.lit</user>"
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightConfigurationsChangeExtensionTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightConfigurationsChangeExtensionTest.java
@ -26,23 +26,23 @@ import org.junit.Test;

 public class MUCLightConfigurationsChangeExtensionTest {

-    String messageWithSubjectChangeExample = "<message to='crone1@shakespeare.lit' from='coven@muclight.shakespeare.lit' id='newsubject' type='groupchat'>"
+    private static final String messageWithSubjectChangeExample = "<message to='crone1@shakespeare.lit' from='coven@muclight.shakespeare.lit' id='newsubject' type='groupchat'>"
            + "<body></body>" + "<x xmlns='urn:xmpp:muclight:0#configuration'>"
            + "<prev-version>asdfghj000</prev-version>" + "<version>asdfghj</version>"
            + "<subject>To be or not to be?</subject>" + "</x>" + "</message>";

-    String messageWithRoomNameChangeExample = "<message to='crone1@shakespeare.lit' from='coven@muclight.shakespeare.lit' id='newsubject' type='groupchat'>"
+    private static final String messageWithRoomNameChangeExample = "<message to='crone1@shakespeare.lit' from='coven@muclight.shakespeare.lit' id='newsubject' type='groupchat'>"
            + "<body></body>" + "<x xmlns='urn:xmpp:muclight:0#configuration'>" + "<prev-version>zaqwsx</prev-version>"
            + "<version>zxcvbnm</version>" + "<roomname>A Darker Cave</roomname>" + "</x>" + "</message>";

-    String messageWithConfigsChangeExample = "<message to='crone1@shakespeare.lit' from='coven@muclight.shakespeare.lit' id='newsubject' type='groupchat'>"
+    private static final String messageWithConfigsChangeExample = "<message to='crone1@shakespeare.lit' from='coven@muclight.shakespeare.lit' id='newsubject' type='groupchat'>"
            + "<body></body>" + "<x xmlns='urn:xmpp:muclight:0#configuration'>" + "<prev-version>zaqwsx</prev-version>"
            + "<version>zxcvbnm</version>" + "<roomname>A Darker Cave</roomname>" + "<color>blue</color>" + "</x>"
            + "</message>";

    @Test
    public void checkSubjectChangeExtension() throws Exception {
-        Message configurationsMessage = (Message) PacketParserUtils.parseStanza(messageWithSubjectChangeExample);
+        Message configurationsMessage = PacketParserUtils.parseStanza(messageWithSubjectChangeExample);
        ConfigurationsChangeExtension configurationsChangeExtension = ConfigurationsChangeExtension
                .from(configurationsMessage);

@ -56,7 +56,7 @@ public class MUCLightConfigurationsChangeExtensionTest {

    @Test
    public void checkRoomNameChangeExtension() throws Exception {
-        Message configurationsMessage = (Message) PacketParserUtils.parseStanza(messageWithRoomNameChangeExample);
+        Message configurationsMessage = PacketParserUtils.parseStanza(messageWithRoomNameChangeExample);
        ConfigurationsChangeExtension configurationsChangeExtension = ConfigurationsChangeExtension
                .from(configurationsMessage);

@ -70,7 +70,7 @@ public class MUCLightConfigurationsChangeExtensionTest {

    @Test
    public void checkConfigsChangeExtension() throws Exception {
-        Message configurationsMessage = (Message) PacketParserUtils.parseStanza(messageWithConfigsChangeExample);
+        Message configurationsMessage = PacketParserUtils.parseStanza(messageWithConfigsChangeExample);
        ConfigurationsChangeExtension configurationsChangeExtension = ConfigurationsChangeExtension
                .from(configurationsMessage);

--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightCreateIQTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightCreateIQTest.java
@ -29,7 +29,7 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightCreateIQTest {

-    String stanza = "<iq to='ef498f55-5f79-4238-a5ae-4efe19cbe617@muclight.test.com' id='1c72W-50' type='set'>"
+    private static final String stanza = "<iq to='ef498f55-5f79-4238-a5ae-4efe19cbe617@muclight.test.com' id='1c72W-50' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#create'>" + "<configuration>" + "<roomname>test</roomname>"
            + "</configuration>" + "<occupants>" + "<user affiliation='member'>charlie@test.com</user>"
            + "<user affiliation='member'>pep@test.com</user>" + "</occupants>" + "</query>" + "</iq>";
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightDestroyTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightDestroyTest.java
@ -24,7 +24,7 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightDestroyTest {

-    String stanza = "<iq to='coven@muclight.shakespeare.lit' id='destroy1' type='set'>"
+    private static final String stanza = "<iq to='coven@muclight.shakespeare.lit' id='destroy1' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#destroy'/>" + "</iq>";

    @Test
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightGetAffiliationsTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightGetAffiliationsTest.java
@ -31,10 +31,10 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightGetAffiliationsTest {

-    String getAffiliationsIQExample = "<iq to='coven@muclight.shakespeare.lit' id='getmembers' type='get'>"
+    private static final String getAffiliationsIQExample = "<iq to='coven@muclight.shakespeare.lit' id='getmembers' type='get'>"
            + "<query xmlns='urn:xmpp:muclight:0#affiliations'>" + "<version>abcdefg</version>" + "</query>" + "</iq>";

-    String getAffiliationsResponseExample = "<iq from='coven@muclight.shakespeare.lit' id='getmembers' to='crone1@shakespeare.lit/desktop' type='result'>"
+    private static final String getAffiliationsResponseExample = "<iq from='coven@muclight.shakespeare.lit' id='getmembers' to='crone1@shakespeare.lit/desktop' type='result'>"
            + "<query xmlns='urn:xmpp:muclight:0#affiliations'>" + "<version>123456</version>"
            + "<user affiliation='owner'>user1@shakespeare.lit</user>"
            + "<user affiliation='member'>user2@shakespeare.lit</user>"
@ -50,7 +50,7 @@ public class MUCLightGetAffiliationsTest {

    @Test
    public void checkGetAffiliationsResponse() throws Exception {
-        IQ iqInfoResult = (IQ) PacketParserUtils.parseStanza(getAffiliationsResponseExample);
+        IQ iqInfoResult = PacketParserUtils.parseStanza(getAffiliationsResponseExample);
        MUCLightAffiliationsIQ mucLightAffiliationsIQ = (MUCLightAffiliationsIQ) iqInfoResult;

        Assert.assertEquals("123456", mucLightAffiliationsIQ.getVersion());
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightGetConfigsTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightGetConfigsTest.java
@ -30,15 +30,15 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightGetConfigsTest {

-    String getConfigsIQExample = "<iq to='coven@muclight.shakespeare.lit' id='config0' type='get'>"
+    private static final String getConfigsIQExample = "<iq to='coven@muclight.shakespeare.lit' id='config0' type='get'>"
            + "<query xmlns='urn:xmpp:muclight:0#configuration'>" + "<version>abcdefg</version>" + "</query>" + "</iq>";

-    String getConfigsResponseExample = "<iq from='coven@muclight.shakespeare.lit' id='getconfig1' "
+    private static final String getConfigsResponseExample = "<iq from='coven@muclight.shakespeare.lit' id='getconfig1' "
            + "to='crone1@shakespeare.lit/desktop' type='result'>" + "<query xmlns='urn:xmpp:muclight:0#configuration'>"
            + "<version>123456</version>" + "<roomname>A Dark Cave</roomname>" + "<subject>A subject</subject>"
            + "</query>" + "</iq>";

-    String getConfigsResponseExampleWithCustomConfigs = "<iq from='coven@muclight.shakespeare.lit' id='getconfig2' "
+    private static final String getConfigsResponseExampleWithCustomConfigs = "<iq from='coven@muclight.shakespeare.lit' id='getconfig2' "
            + "to='crone1@shakespeare.lit/desktop' type='result'>" + "<query xmlns='urn:xmpp:muclight:0#configuration'>"
            + "<version>123456</version>" + "<roomname>A Dark Cave</roomname>" + "<color>blue</color>"
            + "<size>20</size>" + "</query>" + "</iq>";
@ -53,7 +53,7 @@ public class MUCLightGetConfigsTest {

    @Test
    public void checkGetConfigsResponse() throws Exception {
-        IQ iqInfoResult = (IQ) PacketParserUtils.parseStanza(getConfigsResponseExample);
+        IQ iqInfoResult = PacketParserUtils.parseStanza(getConfigsResponseExample);
        MUCLightConfigurationIQ mucLightConfigurationIQ = (MUCLightConfigurationIQ) iqInfoResult;

        Assert.assertEquals("123456", mucLightConfigurationIQ.getVersion());
@ -64,7 +64,7 @@ public class MUCLightGetConfigsTest {

    @Test
    public void checkGetConfigsResponseWithCustomConfigs() throws Exception {
-        IQ iqInfoResult = (IQ) PacketParserUtils.parseStanza(getConfigsResponseExampleWithCustomConfigs);
+        IQ iqInfoResult = PacketParserUtils.parseStanza(getConfigsResponseExampleWithCustomConfigs);
        MUCLightConfigurationIQ mucLightConfigurationIQ = (MUCLightConfigurationIQ) iqInfoResult;

        Assert.assertEquals("123456", mucLightConfigurationIQ.getVersion());
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightInfoTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightInfoTest.java
@ -28,13 +28,13 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightInfoTest {

-    String exampleWithVersion = "<iq to='coven@muclight.shakespeare.lit' id='getinfo1' type='get'>"
+    private static final String exampleWithVersion = "<iq to='coven@muclight.shakespeare.lit' id='getinfo1' type='get'>"
            + "<query xmlns='urn:xmpp:muclight:0#info'>" + "<version>abcdefg</version>" + "</query>" + "</iq>";

-    String exampleWithoutVersion = "<iq to='coven@muclight.shakespeare.lit' id='getinfo1' type='get'>"
+    private static final String exampleWithoutVersion = "<iq to='coven@muclight.shakespeare.lit' id='getinfo1' type='get'>"
            + "<query xmlns='urn:xmpp:muclight:0#info'>" + "</query>" + "</iq>";

-    String exampleInfoResult = "<iq from='coven@muclight.shakespeare.lit' to='cronel@shakespeare.lit/desktop' id='getinfo1' type='result'>"
+    private static final String exampleInfoResult = "<iq from='coven@muclight.shakespeare.lit' to='cronel@shakespeare.lit/desktop' id='getinfo1' type='result'>"
            + "<query xmlns='urn:xmpp:muclight:0#info'>" + "<version>123456</version>" + "<configuration>"
            + "<roomname>test</roomname>" + "</configuration>" + "<occupants>"
            + "<user affiliation='owner'>john@test.com</user>" + "<user affiliation='member'>charlie@test.com</user>"
@ -58,7 +58,7 @@ public class MUCLightInfoTest {

    @Test
    public void checkMUCLightInfoResult() throws Exception {
-        IQ iqInfoResult = (IQ) PacketParserUtils.parseStanza(exampleInfoResult);
+        IQ iqInfoResult = PacketParserUtils.parseStanza(exampleInfoResult);
        MUCLightInfoIQ mucLightInfoResponseIQ = (MUCLightInfoIQ) iqInfoResult;
        Assert.assertEquals(mucLightInfoResponseIQ.getVersion(), "123456");
        Assert.assertEquals(mucLightInfoResponseIQ.getConfiguration().getRoomName(), "test");
--- a/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightSetConfigsIQTest.java
+++ b/smack-experimental/src/test/java/org/jivesoftware/smackx/muclight/MUCLightSetConfigsIQTest.java
@ -26,15 +26,15 @@ import org.jxmpp.jid.impl.JidCreate;

 public class MUCLightSetConfigsIQTest {

-    String setConfigsIQExample = "<iq to='coven@muclight.shakespeare.lit' id='conf1' type='set'>"
+    private static final String setConfigsIQExample = "<iq to='coven@muclight.shakespeare.lit' id='conf1' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#configuration'>" + "<roomname>A Darker Cave</roomname>"
            + "<color>blue</color>" + "</query>" + "</iq>";

-    String changeRoomNameIQExample = "<iq to='coven@muclight.shakespeare.lit' id='roomName1' type='set'>"
+    private static final String changeRoomNameIQExample = "<iq to='coven@muclight.shakespeare.lit' id='roomName1' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#configuration'>" + "<roomname>A Darker Cave</roomname>" + "</query>"
            + "</iq>";

-    String changeSubjectIQExample = "<iq to='coven@muclight.shakespeare.lit' id='subject1' type='set'>"
+    private static final String changeSubjectIQExample = "<iq to='coven@muclight.shakespeare.lit' id='subject1' type='set'>"
            + "<query xmlns='urn:xmpp:muclight:0#configuration'>" + "<subject>To be or not to be?</subject>"
            + "</query>" + "</iq>";

--- a/Show more
+++ b/Show more