Cleanup code

smack-experimental/src/main/java/org/jivesoftware/smackx/ciphers/AesGcmNoPadding.java

@@ -35,9 +35,9 @@ public abstract class AesGcmNoPadding {
 
     private final int length;
     protected final Cipher cipher;
-    protected final byte[] key, iv, keyAndIv;
+    private final byte[] key, iv, keyAndIv;
 
-    protected AesGcmNoPadding(int bits, int MODE) throws NoSuchAlgorithmException, NoSuchProviderException,
+    AesGcmNoPadding(int bits, int MODE) throws NoSuchAlgorithmException, NoSuchProviderException,
             NoSuchPaddingException, InvalidAlgorithmParameterException, InvalidKeyException {
         this.length = bits;
         int bytes = bits / 8;
@@ -136,7 +136,7 @@ public abstract class AesGcmNoPadding {
 
     public abstract String getNamespace();
 
-    public static byte[] copyOfRange(byte[] source, int start, int end) {
+    static byte[] copyOfRange(byte[] source, int start, int end) {
         byte[] copy = new byte[end - start];
         System.arraycopy(source, start, copy, 0, end - start);
         return copy;

smack-experimental/src/main/java/org/jivesoftware/smackx/jet/component/JetSecurity.java

@@ -52,19 +52,19 @@ public class JetSecurity extends JingleSecurity<JetSecurityElement> {
     private final String methodNamespace;
 
     private AesGcmNoPadding aesKey;
-    private ExtensionElement child;
+    private final ExtensionElement child;
-    private String cipherName;
+    private final String cipherName;
-    private String name;
+    private final String contentName;
 
     public JetSecurity(JetSecurityElement element) {
         super();
         this.child = element.getChild();
         this.methodNamespace = element.getMethodNamespace();
-        this.name = element.getName();
+        this.contentName = element.getContentName();
         this.cipherName = element.getCipherName();
     }
 
-    public JetSecurity(JingleEncryptionMethod method, FullJid recipient, String name, String cipherName)
+    public JetSecurity(JingleEncryptionMethod method, FullJid recipient, String contentName, String cipherName)
             throws NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException,
             InvalidAlgorithmParameterException, InvalidKeyException, InterruptedException,
             JingleEncryptionMethod.JingleEncryptionException, SmackException.NotConnectedException,
@@ -73,11 +73,11 @@ public class JetSecurity extends JingleSecurity<JetSecurityElement> {
         this.methodNamespace = method.getNamespace();
         this.aesKey = AesGcmNoPadding.createEncryptionKey(cipherName);
         this.child = method.encryptJingleTransfer(recipient, aesKey.getKeyAndIv());
-        this.name = name;
+        this.contentName = contentName;
         this.cipherName = cipherName;
     }
 
-    public void decryptEncryptionKey(JingleEncryptionMethod method, FullJid sender)
+    private void decryptEncryptionKey(JingleEncryptionMethod method, FullJid sender)
             throws InterruptedException, JingleEncryptionMethod.JingleEncryptionException, XMPPException.XMPPErrorException,
             SmackException.NotConnectedException, SmackException.NoResponseException, NoSuchAlgorithmException,
             InvalidAlgorithmParameterException, NoSuchProviderException, InvalidKeyException, NoSuchPaddingException {
@@ -87,7 +87,7 @@ public class JetSecurity extends JingleSecurity<JetSecurityElement> {
 
     @Override
     public JetSecurityElement getElement() {
-        return new JetSecurityElement(name, cipherName, child);
+        return new JetSecurityElement(contentName, cipherName, child);
     }
 
     @Override

smack-experimental/src/main/java/org/jivesoftware/smackx/jet/element/JetSecurityElement.java

@@ -71,7 +71,7 @@ public class JetSecurityElement extends JingleContentSecurityElement {
         return child;
     }
 
-    public String getName() {
+    public String getContentName() {
         return name;
     }
 

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileTransferManager.java

@@ -60,6 +60,7 @@ import org.jxmpp.jid.FullJid;
  * Created by vanitas on 22.07.17.
  */
 public final class JingleFileTransferManager extends Manager implements JingleDescriptionManager {
+
     private static final Logger LOGGER = Logger.getLogger(JingleFileTransferManager.class.getName());
 
     private static final WeakHashMap<XMPPConnection, JingleFileTransferManager> INSTANCES = new WeakHashMap<>();

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/component/AbstractJingleFileOffer.java

@@ -21,7 +21,7 @@ package org.jivesoftware.smackx.jingle_filetransfer.component;
  */
 public abstract class AbstractJingleFileOffer<D extends JingleFileTransferFile> extends JingleFileTransfer {
 
-    public AbstractJingleFileOffer(D fileTransferFile) {
+    AbstractJingleFileOffer(D fileTransferFile) {
         super(fileTransferFile);
     }
 

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/component/AbstractJingleFileRequest.java

@@ -21,7 +21,7 @@ package org.jivesoftware.smackx.jingle_filetransfer.component;
  */
 public abstract class AbstractJingleFileRequest<D extends JingleFileTransferFile> extends JingleFileTransfer {
 
-    public AbstractJingleFileRequest(D fileTransferFile) {
+    AbstractJingleFileRequest(D fileTransferFile) {
         super(fileTransferFile);
     }
 

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/component/JingleFileTransfer.java

@@ -39,9 +39,9 @@ public abstract class JingleFileTransfer extends JingleDescription<JingleFileTra
     protected State state;
     protected JingleFileTransferFile file;
 
-    protected final List<ProgressListener> progressListeners = Collections.synchronizedList(new ArrayList<ProgressListener>());
+    private final List<ProgressListener> progressListeners = Collections.synchronizedList(new ArrayList<ProgressListener>());
 
-    public JingleFileTransfer(JingleFileTransferFile file) {
+    JingleFileTransfer(JingleFileTransferFile file) {
         this.file = file;
     }
 
@@ -56,6 +56,11 @@ public abstract class JingleFileTransfer extends JingleDescription<JingleFileTra
         progressListeners.remove(listener);
     }
 
+    @Override
+    public void cancel() {
+        //TODO
+    }
+
     public void notifyProgressListeners(float progress) {
         for (ProgressListener p : progressListeners) {
             p.progress(progress);

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/component/JingleFileTransferFile.java

@@ -58,7 +58,7 @@ public abstract class JingleFileTransferFile {
 
     public static class LocalFile extends JingleFileTransferFile {
 
-        private File file;
+        private final File file;
         private String name;
         private String description;
         private String mediaType;
@@ -137,7 +137,7 @@ public abstract class JingleFileTransferFile {
 
     public static class RemoteFile extends JingleFileTransferFile {
 
-        private JingleFileTransferChildElement file;
+        private final JingleFileTransferChildElement file;
 
         public RemoteFile(JingleFileTransferChildElement file) {
             super();

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/controller/IncomingFileOfferController.java

@@ -28,6 +28,8 @@ import org.jivesoftware.smack.XMPPException;
  * User interface for an incoming Jingle file offer.
  */
 public interface IncomingFileOfferController extends JingleFileTransferController {
+
     void accept(XMPPConnection connection, File target) throws InterruptedException, XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException, IOException;
+
     void accept(XMPPConnection connection, OutputStream outputStream) throws InterruptedException, XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException, IOException;
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/controller/IncomingFileRequestController.java

@@ -20,5 +20,5 @@ package org.jivesoftware.smackx.jingle_filetransfer.controller;
  * Created by vanitas on 27.07.17.
  */
 public interface IncomingFileRequestController extends JingleFileTransferController {
-
+    //TODO: Declare methods.
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/controller/JingleFileTransferController.java

@@ -30,4 +30,6 @@ public interface JingleFileTransferController extends JingleDescriptionControlle
     void removeProgressListener(ProgressListener listener);
 
     JingleFileTransferFile getFile();
+
+    void cancel();
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/controller/OutgoingFileOfferController.java

@@ -20,5 +20,5 @@ package org.jivesoftware.smackx.jingle_filetransfer.controller;
  * Created by vanitas on 27.07.17.
  */
 public interface OutgoingFileOfferController extends JingleFileTransferController {
-
+    //TODO: Declare methods.
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/controller/OutgoingFileRequestController.java

@@ -20,4 +20,5 @@ package org.jivesoftware.smackx.jingle_filetransfer.controller;
  * Created by vanitas on 27.07.17.
  */
 public interface OutgoingFileRequestController extends JingleFileTransferController {
+    //TODO: Declare methods.
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/element/ChecksumElement.java

@@ -26,6 +26,7 @@ import org.jivesoftware.smackx.jingle_filetransfer.component.JingleFileTransfer;
  * Checksum element.
  */
 public class ChecksumElement implements ExtensionElement {
+
     public static final String ELEMENT = "checksum";
     public static final String ATTR_CREATOR = "creator";
     public static final String ATTR_NAME = "name";

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/element/JingleFileTransferChildElement.java

@@ -27,6 +27,7 @@ import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionChildEleme
  * Content of type File.
  */
 public class JingleFileTransferChildElement extends JingleContentDescriptionChildElement {
+
     public static final String ELEMENT = "file";
     public static final String ELEM_DATE = "date";
     public static final String ELEM_DESC = "desc";
@@ -139,8 +140,8 @@ public class JingleFileTransferChildElement extends JingleContentDescriptionChil
          * This is a MIME type from this list:
          * https://www.iana.org/assignments/media-types/media-types.xhtml
          * Default should be application/octet-stream.
-         * @param mediaType
+         * @param mediaType new media type.
-         * @return
+         * @return builder.
          */
         public Builder setMediaType(String mediaType) {
             this.mediaType = mediaType;

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/provider/ChecksumProvider.java

@@ -35,6 +35,7 @@ import org.xmlpull.v1.XmlPullParser;
  * Provider for the Checksum element.
  */
 public class ChecksumProvider extends ExtensionElementProvider<ChecksumElement> {
+
     @Override
     public ChecksumElement parse(XmlPullParser parser, int initialDepth) throws Exception {
         JingleContentElement.Creator creator = null;

smack-experimental/src/test/java/org/jivesoftware/smackx/jet/JetElementTest.java

@@ -45,7 +45,7 @@ public class JetElementTest extends SmackTestSuite {
         assertEquals(SecurityStub.NAMESPACE, security.getMethodNamespace());
         assertEquals(Aes128GcmNoPadding.NAMESPACE, element.getCipherName());
         assertEquals(SecurityStub.NAMESPACE, element.getMethodNamespace());
-        assertEquals("content1", element.getName());
+        assertEquals("content1", element.getContentName());
 
         String xml = "<security xmlns='" + JetSecurity.NAMESPACE + "' " +
                 "name='content1' " +

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/callbacks/JingleCallback.java

@@ -1,33 +0,0 @@
-/**
- *
- * Copyright 2017 Paul Schaub
- *
- * 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.smackx.jingle.callbacks;
-
-import org.jivesoftware.smackx.jingle.JingleDescriptionController;
-
-/**
- * Created by vanitas on 27.07.17.
- */
-public interface JingleCallback<P extends JingleCallback.Parameters> {
-
-    JingleDescriptionController accept(P parameters);
-
-    void decline();
-
-    class Parameters {
-
-    }
-}

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/component/JingleContent.java

@@ -56,8 +56,8 @@ public class JingleContent implements JingleTransportCallback, JingleSecurityCal
 
     private JingleSession parent;
     private JingleContentElement.Creator creator;
-    private String name;
+    private final String name;
-    private String disposition;
+    private final String disposition;
     private JingleContentElement.Senders senders;
     private JingleDescription<?> description;
     private JingleTransport<?> transport;
@@ -120,6 +120,10 @@ public class JingleContent implements JingleTransportCallback, JingleSecurityCal
         return new JingleContent(description, transport, security, content.getName(), content.getDisposition(), content.getCreator(), content.getSenders());
     }
 
+    public void setSenders(JingleContentElement.Senders senders) {
+        this.senders = senders;
+    }
+
     /* HANDLE_XYZ */
 
     public IQ handleJingleRequest(JingleElement request, XMPPConnection connection) {
@@ -145,12 +149,12 @@ public class JingleContent implements JingleTransportCallback, JingleSecurityCal
         }
     }
 
-    public void handleContentAccept(JingleElement request, XMPPConnection connection) {
+    void handleContentAccept(JingleElement request, XMPPConnection connection) {
         start(connection);
     }
 
 
-    public IQ handleSessionAccept(JingleElement request, XMPPConnection connection) {
+    IQ handleSessionAccept(JingleElement request, XMPPConnection connection) {
         LOGGER.log(Level.INFO, "RECEIVED SESSION ACCEPT!");
         JingleContentElement contentElement = null;
         for (JingleContentElement c : request.getContents()) {
@@ -169,26 +173,26 @@ public class JingleContent implements JingleTransportCallback, JingleSecurityCal
         return IQ.createResultIQ(request);
     }
 
-    public IQ handleContentModify(JingleElement request, XMPPConnection connection) {
+    private IQ handleContentModify(JingleElement request, XMPPConnection connection) {
         return IQ.createErrorResponse(request, XMPPError.Condition.feature_not_implemented);
     }
 
-    public IQ handleDescriptionInfo(JingleElement request, XMPPConnection connection) {
+    private IQ handleDescriptionInfo(JingleElement request, XMPPConnection connection) {
         return IQ.createErrorResponse(request, XMPPError.Condition.feature_not_implemented);
     }
 
     public void handleContentRemove(JingleSession session, XMPPConnection connection) {
     }
 
-    public IQ handleSecurityInfo(JingleElement request, XMPPConnection connection) {
+    private IQ handleSecurityInfo(JingleElement request, XMPPConnection connection) {
         return IQ.createErrorResponse(request, XMPPError.Condition.feature_not_implemented);
     }
 
-    public IQ handleSessionInfo(JingleElement request, XMPPConnection connection) {
+    private IQ handleSessionInfo(JingleElement request, XMPPConnection connection) {
         return IQ.createResultIQ(request);
     }
 
-    public IQ handleTransportAccept(JingleElement request, XMPPConnection connection) {
+    private IQ handleTransportAccept(JingleElement request, XMPPConnection connection) {
 
         if (pendingReplacingTransport == null) {
             LOGGER.log(Level.WARNING, "Received transport-accept, but apparently we did not try to replace the transport.");
@@ -203,14 +207,14 @@ public class JingleContent implements JingleTransportCallback, JingleSecurityCal
         return IQ.createResultIQ(request);
     }
 
-    public IQ handleTransportInfo(JingleElement request, XMPPConnection connection) {
+    private IQ handleTransportInfo(JingleElement request, XMPPConnection connection) {
         assert request.getContents().size() == 1;
         JingleContentElement content = request.getContents().get(0);
 
         return transport.handleTransportInfo(content.getTransport().getInfo(), request);
     }
 
-    public IQ handleTransportReject(JingleElement request, XMPPConnection connection) {
+    private IQ handleTransportReject(JingleElement request, XMPPConnection connection) {
         if (pendingReplacingTransport == null) {
             throw new AssertionError("We didn't try to replace the transport.");
         }
@@ -224,7 +228,7 @@ public class JingleContent implements JingleTransportCallback, JingleSecurityCal
         return IQ.createResultIQ(request);
     }
 
-    public IQ handleTransportReplace(final JingleElement request, final XMPPConnection connection) {
+    private IQ handleTransportReplace(final JingleElement request, final XMPPConnection connection) {
         //Tie Break?
         if (pendingReplacingTransport != null) {
             Async.go(new Runnable() {
@@ -490,7 +494,7 @@ public class JingleContent implements JingleTransportCallback, JingleSecurityCal
         connection.createStanzaCollectorAndSend(transportReplace).nextResultOrThrow();
     }
 
-    public static String randomName() {
+    private static String randomName() {
         return "cont-" + StringUtils.randomString(16);
     }
 }

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/component/JingleSession.java

@@ -370,7 +370,7 @@ public class JingleSession {
         return content;
     }
 
-    private JingleContent getSoleProposedContentOrThrow(JingleElement request) {
+    private static JingleContent getSoleProposedContentOrThrow(JingleElement request) {
         if (request.getContents().size() != 1) {
             throw new AssertionError("More/less than 1 content in request!");
         }

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/element/JingleAction.java

@@ -44,7 +44,7 @@ public enum JingleAction {
     transport_replace,
     ;
 
-    private static final Map<String, JingleAction> map = new HashMap<String, JingleAction>(
+    private static final Map<String, JingleAction> map = new HashMap<>(
                     JingleAction.values().length);
     static {
         for (JingleAction jingleAction : JingleAction.values()) {
@@ -54,7 +54,7 @@ public enum JingleAction {
 
     private final String asString;
 
-    private JingleAction() {
+    JingleAction() {
         asString = this.name().replace('_', '-');
     }
 

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/element/JingleErrorElement.java

@@ -26,13 +26,13 @@ public final class JingleErrorElement implements ExtensionElement {
 
     public static String NAMESPACE = "urn:xmpp:jingle:errors:1";
 
-    public static final JingleErrorElement OUT_OF_ORDER = new JingleErrorElement("out-of-order");
+    static final JingleErrorElement OUT_OF_ORDER = new JingleErrorElement("out-of-order");
 
-    public static final JingleErrorElement TIE_BREAK = new JingleErrorElement("tie-break");
+    static final JingleErrorElement TIE_BREAK = new JingleErrorElement("tie-break");
 
-    public static final JingleErrorElement UNKNOWN_SESSION = new JingleErrorElement("unknown-session");
+    static final JingleErrorElement UNKNOWN_SESSION = new JingleErrorElement("unknown-session");
 
-    public static final JingleErrorElement UNSUPPORTED_INFO = new JingleErrorElement("unsupported-info");
+    static final JingleErrorElement UNSUPPORTED_INFO = new JingleErrorElement("unsupported-info");
 
     private final String errorName;
 

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/element/JingleReasonElement.java

@@ -131,7 +131,7 @@ public class JingleReasonElement implements NamedElement {
 
     public static class AlternativeSession extends JingleReasonElement {
 
-        public static final String SID = "sid";
+        public static final String ATTR_SID = "sid";
         private final String sessionId;
 
         public AlternativeSession(String sessionId) {
@@ -148,9 +148,9 @@ public class JingleReasonElement implements NamedElement {
             xml.rightAngleBracket();
 
             xml.openElement(reason.asString);
-            xml.openElement(SID);
+            xml.openElement(ATTR_SID);
             xml.append(sessionId);
-            xml.closeElement(SID);
+            xml.closeElement(ATTR_SID);
             xml.closeElement(reason.asString);
 
             xml.closeElement(this);

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/provider/JingleProvider.java

@@ -99,7 +99,7 @@ public class JingleProvider extends IQProvider<JingleElement> {
         return builder.build();
     }
 
-    public static JingleContentElement parseJingleContent(XmlPullParser parser, final int initialDepth)
+    private static JingleContentElement parseJingleContent(XmlPullParser parser, final int initialDepth)
             throws Exception {
         JingleContentElement.Builder builder = JingleContentElement.getBuilder();
 

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/transport/jingle_s5b/JingleS5BTransport.java

@@ -18,7 +18,6 @@ package org.jivesoftware.smackx.jingle.transport.jingle_s5b;
 
 import java.io.IOException;
 import java.util.Collections;
-import java.util.Iterator;
 import java.util.List;
 import java.util.concurrent.TimeoutException;
 import java.util.logging.Level;
@@ -234,7 +233,7 @@ public class JingleS5BTransport extends JingleTransport<JingleS5BTransportElemen
     }
 
     @SuppressWarnings("ReferenceEquality")
-    void establishBytestreamSession(XMPPConnection connection)
+    private void establishBytestreamSession(XMPPConnection connection)
             throws SmackException.NotConnectedException, InterruptedException {
         Socks5Proxy.getSocks5Proxy().addTransfer(ourDstAddr);
         JingleS5BTransportManager transportManager = JingleS5BTransportManager.getInstanceFor(connection);
@@ -254,7 +253,7 @@ public class JingleS5BTransport extends JingleTransport<JingleS5BTransportElemen
     }
 
     @SuppressWarnings("ReferenceEquality")
-    public JingleS5BTransportCandidate connectToCandidates(int timeout) {
+    private JingleS5BTransportCandidate connectToCandidates(int timeout) {
 
         if (getTheirCandidates().size() == 0) {
             LOGGER.log(Level.INFO, "They provided 0 candidates.");
@@ -281,7 +280,7 @@ public class JingleS5BTransport extends JingleTransport<JingleS5BTransportElemen
     }
 
     @SuppressWarnings("ReferenceEquality")
-    void connectIfReady() {
+    private void connectIfReady() {
         final JingleS5BTransportManager jingleS5BTransportManager = JingleS5BTransportManager.getInstanceFor(getParent().getParent().getJingleManager().getConnection());
         final JingleSession session = getParent().getParent();
 
@@ -427,9 +426,8 @@ public class JingleS5BTransport extends JingleTransport<JingleS5BTransportElemen
             return;
         }
 
-        Iterator<JingleTransportCandidate<?>> ourCandidates = getOurCandidates().iterator();
+        for (JingleTransportCandidate<?> jingleTransportCandidate : getOurCandidates()) {
-        while (ourCandidates.hasNext()) {
+            JingleS5BTransportCandidate candidate = (JingleS5BTransportCandidate) jingleTransportCandidate;
-            JingleS5BTransportCandidate candidate = (JingleS5BTransportCandidate) ourCandidates.next();
             if (candidate.getCandidateId().equals(candidateId)) {
                 theirSelectedCandidate = candidate;
             }

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/transport/jingle_s5b/JingleS5BTransportCandidate.java

@@ -45,14 +45,14 @@ public class JingleS5BTransportCandidate extends JingleTransportCandidate<Jingle
 
     private Socket socket;
 
-    public JingleS5BTransportCandidate(JingleS5BTransportCandidateElement element) {
+    JingleS5BTransportCandidate(JingleS5BTransportCandidateElement element) {
         this(element.getCandidateId(), new Bytestream.StreamHost(element.getJid(), element.getHost(), element.getPort()), element.getPriority(), element.getType());
     }
 
-    public JingleS5BTransportCandidate(String candidateId,
+    JingleS5BTransportCandidate(String candidateId,
-                                       Bytestream.StreamHost streamHost,
+                                Bytestream.StreamHost streamHost,
-                                       int priority,
+                                int priority,
-                                       JingleS5BTransportCandidateElement.Type type) {
+                                JingleS5BTransportCandidateElement.Type type) {
         this.candidateId = candidateId;
         this.streamHost = streamHost;
         this.type = type;
@@ -60,18 +60,18 @@ public class JingleS5BTransportCandidate extends JingleTransportCandidate<Jingle
         setPriority(priority);
     }
 
-    public JingleS5BTransportCandidate(JingleS5BTransportCandidate other) {
+    JingleS5BTransportCandidate(JingleS5BTransportCandidate other) {
         this(other.candidateId,
                 other.getStreamHost(),
                 other.getPriority(),
                 other.type);
     }
 
-    public static JingleS5BTransportCandidate fromElement(JingleS5BTransportCandidateElement element) {
+    static JingleS5BTransportCandidate fromElement(JingleS5BTransportCandidateElement element) {
         return new JingleS5BTransportCandidate(element.getCandidateId(), element.getStreamHost(), element.getPriority(), element.getType());
     }
 
-    public String getCandidateId() {
+    String getCandidateId() {
         return candidateId;
     }
 

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/transport/jingle_s5b/JingleS5BTransportManager.java

@@ -121,7 +121,7 @@ public final class JingleS5BTransportManager extends Manager implements JingleTr
         return 10000; // SOCKS5 has a high priority
     }
 
-    public List<JingleTransportCandidate<?>> collectCandidates() {
+    List<JingleTransportCandidate<?>> collectCandidates() {
         List<JingleTransportCandidate<?>> candidates = new ArrayList<>();
 
         //Local host
@@ -156,21 +156,21 @@ public final class JingleS5BTransportManager extends Manager implements JingleTr
         return socks5BytestreamManager.getLocalStreamHost();
     }
 
-    public List<Bytestream.StreamHost> getServersStreamHosts() throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException, SmackException.NoResponseException {
+    private List<Bytestream.StreamHost> getServersStreamHosts() throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException, SmackException.NoResponseException {
         if (availableStreamHosts == null) {
             availableStreamHosts = queryServersStreamHosts();
         }
         return availableStreamHosts;
     }
 
-    public List<Bytestream.StreamHost> getLocalStreamHosts() {
+    private List<Bytestream.StreamHost> getLocalStreamHosts() {
         if (localStreamHosts == null) {
             localStreamHosts = queryLocalStreamHosts();
         }
         return localStreamHosts;
     }
 
-    public List<Bytestream.StreamHost> determineStreamHostInfo(List<Jid> proxies) {
+    private List<Bytestream.StreamHost> determineStreamHostInfo(List<Jid> proxies) {
         List<Bytestream.StreamHost> streamHosts = new ArrayList<>();
 
         Iterator<Jid> iterator = proxies.iterator();
@@ -192,7 +192,7 @@ public final class JingleS5BTransportManager extends Manager implements JingleTr
         return streamHosts;
     }
 
-    private JingleElement createTransportInfo(JingleS5BTransport transport, JingleS5BTransportInfoElement info) {
+    private static JingleElement createTransportInfo(JingleS5BTransport transport, JingleS5BTransportInfoElement info) {
         JingleContent content = transport.getParent();
         JingleSession session = content.getParent();
 
@@ -222,19 +222,19 @@ public final class JingleS5BTransportManager extends Manager implements JingleTr
         return jingle;
     }
 
-    JingleElement createCandidateUsed(JingleS5BTransport transport, JingleS5BTransportCandidate candidate) {
+    static JingleElement createCandidateUsed(JingleS5BTransport transport, JingleS5BTransportCandidate candidate) {
         return createTransportInfo(transport, new JingleS5BTransportInfoElement.CandidateUsed(candidate.getCandidateId()));
     }
 
-    JingleElement createCandidateError(JingleS5BTransport transport) {
+    static JingleElement createCandidateError(JingleS5BTransport transport) {
         return createTransportInfo(transport, JingleS5BTransportInfoElement.CandidateError.INSTANCE);
     }
 
-    JingleElement createProxyError(JingleS5BTransport transport) {
+    static JingleElement createProxyError(JingleS5BTransport transport) {
         return createTransportInfo(transport, JingleS5BTransportInfoElement.ProxyError.INSTANCE);
     }
 
-    JingleElement createCandidateActivated(JingleS5BTransport transport, JingleS5BTransportCandidate candidate) {
+    static JingleElement createCandidateActivated(JingleS5BTransport transport, JingleS5BTransportCandidate candidate) {
         return createTransportInfo(transport, new JingleS5BTransportInfoElement.CandidateActivated(candidate.getCandidateId()));
     }
 
@@ -259,7 +259,7 @@ public final class JingleS5BTransportManager extends Manager implements JingleTr
         return getPriority() > other.getPriority() ? 1 : -1;
     }
 
-    private ConnectionListener connectionListener = new ConnectionListener() {
+    private final ConnectionListener connectionListener = new ConnectionListener() {
 
         @Override
         public void connected(XMPPConnection connection) {

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/transport/jingle_s5b/S5BTransportException.java

@@ -32,7 +32,7 @@ public class S5BTransportException extends FailedTransportException {
     public static class CandidateError extends S5BTransportException {
         protected static final long serialVersionUID = 1L;
 
-        public CandidateError(Throwable throwable) {
+        CandidateError(Throwable throwable) {
             super(throwable);
         }
     }
@@ -40,7 +40,7 @@ public class S5BTransportException extends FailedTransportException {
     public static class ProxyError extends S5BTransportException {
         protected static final long serialVersionUID = 1L;
 
-        public ProxyError(Throwable throwable) {
+        ProxyError(Throwable throwable) {
             super(throwable);
         }
     }

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/transport/jingle_s5b/element/JingleS5BTransportInfoElement.java

@@ -29,7 +29,7 @@ public abstract class JingleS5BTransportInfoElement extends JingleContentTranspo
 
         private final String candidateId;
 
-        protected JingleS5BCandidateTransportInfoElement(String candidateId) {
+        JingleS5BCandidateTransportInfoElement(String candidateId) {
             this.candidateId = candidateId;
         }
 

smack-integration-test/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileTransferIntegrationTest.java

@@ -172,7 +172,7 @@ public class JingleFileTransferIntegrationTest extends AbstractSmackIntegrationT
     }
 
     @AfterClass
-    public void cleanup() {
+    public static void cleanup() {
         Socks5Proxy.getSocks5Proxy().stop();
     }
 }