mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-11-23 06:42:05 +01:00
Public API for parsing Messages and Presences. SMACK-47
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2462 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Gaston Dombiak
gaston
parent
1277b9d425
commit
3157a29d28
2 changed files with 270 additions and 269 deletions
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@ -24,14 +24,11 @@ import org.xmlpull.v1.*;
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import java.util.*;
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import java.util.List;
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import java.io.ObjectInputStream;
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import java.io.ByteArrayInputStream;
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import org.jivesoftware.smack.packet.*;
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import org.jivesoftware.smack.packet.XMPPError;
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import org.jivesoftware.smack.filter.PacketFilter;
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import org.jivesoftware.smack.util.*;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.provider.*;
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/**
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@ -44,12 +41,6 @@ import org.jivesoftware.smack.provider.*;
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*/
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class PacketReader {
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/**
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* Namespace used to store packet properties.
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*/
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private static final String PROPERTIES_NAMESPACE =
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"http://www.jivesoftware.com/xmlns/xmpp/properties";
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private Thread readerThread;
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private Thread listenerThread;
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@ -245,13 +236,13 @@ class PacketReader {
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do {
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if (eventType == XmlPullParser.START_TAG) {
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if (parser.getName().equals("message")) {
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processPacket(parseMessage(parser));
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processPacket(PacketParserUtils.parseMessage(parser));
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}
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else if (parser.getName().equals("iq")) {
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processPacket(parseIQ(parser));
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}
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else if (parser.getName().equals("presence")) {
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processPacket(parsePresence(parser));
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processPacket(PacketParserUtils.parsePresence(parser));
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}
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// We found an opening stream. Record information about it, then notify
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// the connectionID lock so that the packet reader startup can finish.
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@ -349,7 +340,7 @@ class PacketReader {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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if (elementName.equals("error")) {
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error = parseError(parser);
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error = PacketParserUtils.parseError(parser);
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}
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else if (elementName.equals("query") && namespace.equals("jabber:iq:auth")) {
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iqPacket = parseAuthentication(parser);
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@ -381,11 +372,11 @@ class PacketReader {
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}
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}
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}
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// Decide what to do when an IQ packet was not understood
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// Decide what to do when an IQ packet was not understood
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if (iqPacket == null) {
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if (IQ.Type.GET == type || IQ.Type.SET == type ) {
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// If the IQ stanza is of type "get" or "set" containing a child element
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// qualified by a namespace it does not understand, then answer an IQ of
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// If the IQ stanza is of type "get" or "set" containing a child element
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// qualified by a namespace it does not understand, then answer an IQ of
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// type "error" with code 501 ("feature-not-implemented")
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iqPacket = new IQ() {
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public String getChildElementXML() {
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@ -409,7 +400,7 @@ class PacketReader {
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};
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}
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}
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// Set basic values on the iq packet.
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iqPacket.setPacketID(id);
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iqPacket.setTo(to);
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@ -538,257 +529,6 @@ class PacketReader {
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return registration;
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}
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/**
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* Parses error sub-packets.
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*
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* @param parser the XML parser.
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* @return an error sub-packet.
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* @throws Exception if an exception occurs while parsing the packet.
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*/
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private XMPPError parseError(XmlPullParser parser) throws Exception {
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String errorCode = "-1";
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String message = null;
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for (int i=0; i<parser.getAttributeCount(); i++) {
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if (parser.getAttributeName(i).equals("code")) {
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errorCode = parser.getAttributeValue("", "code");
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}
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}
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// Get the error text in a safe way since we are not sure about the error message format
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try {
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message = parser.nextText();
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}
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catch (XmlPullParserException ex) {}
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while (true) {
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if (parser.getEventType() == XmlPullParser.END_TAG && parser.getName().equals("error")) {
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break;
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}
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parser.next();
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}
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return new XMPPError(Integer.parseInt(errorCode), message);
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}
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/**
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* Parses a message packet.
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*
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* @param parser the XML parser, positioned at the start of a message packet.
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* @return a Message packet.
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* @throws Exception if an exception occurs while parsing the packet.
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*/
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private Packet parseMessage(XmlPullParser parser) throws Exception {
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Message message = new Message();
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String id = parser.getAttributeValue("", "id");
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message.setPacketID(id == null ? Packet.ID_NOT_AVAILABLE : id);
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message.setTo(parser.getAttributeValue("", "to"));
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message.setFrom(parser.getAttributeValue("", "from"));
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message.setType(Message.Type.fromString(parser.getAttributeValue("", "type")));
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// Parse sub-elements. We include extra logic to make sure the values
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// are only read once. This is because it's possible for the names to appear
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// in arbitrary sub-elements.
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boolean done = false;
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String subject = null;
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String body = null;
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String thread = null;
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Map properties = null;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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if (elementName.equals("subject")) {
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if (subject == null) {
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subject = parser.nextText();
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}
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}
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else if (elementName.equals("body")) {
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if (body == null) {
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body = parser.nextText();
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}
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}
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else if (elementName.equals("thread")) {
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if (thread == null) {
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thread = parser.nextText();
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}
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}
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else if (elementName.equals("error")) {
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message.setError(parseError(parser));
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}
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else if (elementName.equals("properties") &&
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namespace.equals(PROPERTIES_NAMESPACE))
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{
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properties = parseProperties(parser);
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}
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// Otherwise, it must be a packet extension.
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else {
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message.addExtension(
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PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("message")) {
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done = true;
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}
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}
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}
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message.setSubject(subject);
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message.setBody(body);
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message.setThread(thread);
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// Set packet properties.
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if (properties != null) {
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for (Iterator i=properties.keySet().iterator(); i.hasNext(); ) {
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String name = (String)i.next();
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message.setProperty(name, properties.get(name));
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}
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}
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return message;
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}
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/**
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* Parses a presence packet.
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*
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* @param parser the XML parser, positioned at the start of a presence packet.
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* @return a Presence packet.
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* @throws Exception if an exception occurs while parsing the packet.
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*/
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private Presence parsePresence(XmlPullParser parser) throws Exception {
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Presence.Type type = Presence.Type.fromString(parser.getAttributeValue("", "type"));
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Presence presence = new Presence(type);
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presence.setTo(parser.getAttributeValue("", "to"));
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presence.setFrom(parser.getAttributeValue("", "from"));
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String id = parser.getAttributeValue("", "id");
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presence.setPacketID(id == null ? Packet.ID_NOT_AVAILABLE : id);
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// Parse sub-elements
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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if (elementName.equals("status")) {
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presence.setStatus(parser.nextText());
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}
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else if (elementName.equals("priority")) {
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try {
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int priority = Integer.parseInt(parser.nextText());
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presence.setPriority(priority);
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}
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catch (NumberFormatException nfe) { }
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}
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else if (elementName.equals("show")) {
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presence.setMode(Presence.Mode.fromString(parser.nextText()));
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}
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else if (elementName.equals("error")) {
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presence.setError(parseError(parser));
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}
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else if (elementName.equals("properties") &&
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namespace.equals(PROPERTIES_NAMESPACE))
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{
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Map properties = parseProperties(parser);
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// Set packet properties.
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for (Iterator i=properties.keySet().iterator(); i.hasNext(); ) {
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String name = (String)i.next();
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presence.setProperty(name, properties.get(name));
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}
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}
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// Otherwise, it must be a packet extension.
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else {
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presence.addExtension(
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PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("presence")) {
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done = true;
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}
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}
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}
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return presence;
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}
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/**
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* Parse a properties sub-packet. If any errors occur while de-serializing Java object
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* properties, an exception will be printed and not thrown since a thrown
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* exception will shut down the entire connection. ClassCastExceptions will occur
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* when both the sender and receiver of the packet don't have identical versions
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* of the same class.
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*
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* @param parser the XML parser, positioned at the start of a properties sub-packet.
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* @return a map of the properties.
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* @throws Exception if an error occurs while parsing the properties.
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*/
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private Map parseProperties(XmlPullParser parser) throws Exception {
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Map properties = new HashMap();
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while (true) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG && parser.getName().equals("property")) {
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// Parse a property
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boolean done = false;
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String name = null;
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String type = null;
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String valueText = null;
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Object value = null;
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while (!done) {
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eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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if (elementName.equals("name")) {
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name = parser.nextText();
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}
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else if (elementName.equals("value")) {
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type = parser.getAttributeValue("", "type");
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valueText = parser.nextText();
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("property")) {
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if ("integer".equals(type)) {
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value = new Integer(valueText);
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}
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else if ("long".equals(type)) {
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value = new Long(valueText);
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}
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else if ("float".equals(type)) {
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value = new Float(valueText);
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}
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else if ("double".equals(type)) {
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value = new Double(valueText);
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}
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else if ("boolean".equals(type)) {
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value = new Boolean(valueText);
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}
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else if ("string".equals(type)) {
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value = valueText;
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}
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else if ("java-object".equals(type)) {
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try {
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byte [] bytes = StringUtils.decodeBase64(valueText);
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ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes));
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value = in.readObject();
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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}
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if (name != null && value != null) {
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properties.put(name, value);
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}
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done = true;
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}
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}
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("properties")) {
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break;
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}
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}
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}
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return properties;
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}
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/**
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* A wrapper class to associate a packet collector with a listener.
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*/
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@ -21,12 +21,17 @@
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package org.jivesoftware.smack.util;
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import java.beans.PropertyDescriptor;
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import java.util.Map;
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import java.util.Iterator;
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import java.util.HashMap;
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import java.io.ObjectInputStream;
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import java.io.ByteArrayInputStream;
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import org.jivesoftware.smack.packet.DefaultPacketExtension;
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import org.jivesoftware.smack.packet.PacketExtension;
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import org.jivesoftware.smack.packet.*;
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import org.jivesoftware.smack.provider.PacketExtensionProvider;
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import org.jivesoftware.smack.provider.ProviderManager;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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/**
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* Utility class that helps to parse packets. Any parsing packets method that must be shared
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@ -36,6 +41,262 @@ import org.xmlpull.v1.XmlPullParser;
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*/
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public class PacketParserUtils {
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/**
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* Namespace used to store packet properties.
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*/
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private static final String PROPERTIES_NAMESPACE =
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"http://www.jivesoftware.com/xmlns/xmpp/properties";
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/**
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* Parses a message packet.
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*
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* @param parser the XML parser, positioned at the start of a message packet.
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* @return a Message packet.
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* @throws Exception if an exception occurs while parsing the packet.
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*/
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public static Packet parseMessage(XmlPullParser parser) throws Exception {
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Message message = new Message();
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String id = parser.getAttributeValue("", "id");
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message.setPacketID(id == null ? Packet.ID_NOT_AVAILABLE : id);
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message.setTo(parser.getAttributeValue("", "to"));
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message.setFrom(parser.getAttributeValue("", "from"));
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message.setType(Message.Type.fromString(parser.getAttributeValue("", "type")));
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// Parse sub-elements. We include extra logic to make sure the values
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// are only read once. This is because it's possible for the names to appear
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// in arbitrary sub-elements.
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boolean done = false;
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String subject = null;
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String body = null;
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String thread = null;
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Map properties = null;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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if (elementName.equals("subject")) {
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if (subject == null) {
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subject = parser.nextText();
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}
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}
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else if (elementName.equals("body")) {
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if (body == null) {
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body = parser.nextText();
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}
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}
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else if (elementName.equals("thread")) {
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if (thread == null) {
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thread = parser.nextText();
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}
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}
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else if (elementName.equals("error")) {
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message.setError(parseError(parser));
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}
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else if (elementName.equals("properties") &&
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namespace.equals(PROPERTIES_NAMESPACE))
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{
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properties = parseProperties(parser);
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}
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// Otherwise, it must be a packet extension.
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else {
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message.addExtension(
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PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("message")) {
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done = true;
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}
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}
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}
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message.setSubject(subject);
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message.setBody(body);
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message.setThread(thread);
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// Set packet properties.
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if (properties != null) {
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for (Iterator i=properties.keySet().iterator(); i.hasNext(); ) {
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String name = (String)i.next();
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message.setProperty(name, properties.get(name));
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}
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}
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return message;
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}
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/**
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* Parses a presence packet.
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*
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* @param parser the XML parser, positioned at the start of a presence packet.
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* @return a Presence packet.
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* @throws Exception if an exception occurs while parsing the packet.
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*/
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public static Presence parsePresence(XmlPullParser parser) throws Exception {
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Presence.Type type = Presence.Type.fromString(parser.getAttributeValue("", "type"));
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Presence presence = new Presence(type);
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presence.setTo(parser.getAttributeValue("", "to"));
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presence.setFrom(parser.getAttributeValue("", "from"));
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String id = parser.getAttributeValue("", "id");
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presence.setPacketID(id == null ? Packet.ID_NOT_AVAILABLE : id);
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// Parse sub-elements
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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if (elementName.equals("status")) {
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presence.setStatus(parser.nextText());
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}
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else if (elementName.equals("priority")) {
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try {
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int priority = Integer.parseInt(parser.nextText());
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presence.setPriority(priority);
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}
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catch (NumberFormatException nfe) { }
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}
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else if (elementName.equals("show")) {
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presence.setMode(Presence.Mode.fromString(parser.nextText()));
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}
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else if (elementName.equals("error")) {
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presence.setError(parseError(parser));
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}
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else if (elementName.equals("properties") &&
|
||||
namespace.equals(PROPERTIES_NAMESPACE))
|
||||
{
|
||||
Map properties = parseProperties(parser);
|
||||
// Set packet properties.
|
||||
for (Iterator i=properties.keySet().iterator(); i.hasNext(); ) {
|
||||
String name = (String)i.next();
|
||||
presence.setProperty(name, properties.get(name));
|
||||
}
|
||||
}
|
||||
// Otherwise, it must be a packet extension.
|
||||
else {
|
||||
presence.addExtension(
|
||||
PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
|
||||
}
|
||||
}
|
||||
else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("presence")) {
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return presence;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse a properties sub-packet. If any errors occur while de-serializing Java object
|
||||
* properties, an exception will be printed and not thrown since a thrown
|
||||
* exception will shut down the entire connection. ClassCastExceptions will occur
|
||||
* when both the sender and receiver of the packet don't have identical versions
|
||||
* of the same class.
|
||||
*
|
||||
* @param parser the XML parser, positioned at the start of a properties sub-packet.
|
||||
* @return a map of the properties.
|
||||
* @throws Exception if an error occurs while parsing the properties.
|
||||
*/
|
||||
private static Map parseProperties(XmlPullParser parser) throws Exception {
|
||||
Map properties = new HashMap();
|
||||
while (true) {
|
||||
int eventType = parser.next();
|
||||
if (eventType == XmlPullParser.START_TAG && parser.getName().equals("property")) {
|
||||
// Parse a property
|
||||
boolean done = false;
|
||||
String name = null;
|
||||
String type = null;
|
||||
String valueText = null;
|
||||
Object value = null;
|
||||
while (!done) {
|
||||
eventType = parser.next();
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
String elementName = parser.getName();
|
||||
if (elementName.equals("name")) {
|
||||
name = parser.nextText();
|
||||
}
|
||||
else if (elementName.equals("value")) {
|
||||
type = parser.getAttributeValue("", "type");
|
||||
valueText = parser.nextText();
|
||||
}
|
||||
}
|
||||
else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("property")) {
|
||||
if ("integer".equals(type)) {
|
||||
value = new Integer(valueText);
|
||||
}
|
||||
else if ("long".equals(type)) {
|
||||
value = new Long(valueText);
|
||||
}
|
||||
else if ("float".equals(type)) {
|
||||
value = new Float(valueText);
|
||||
}
|
||||
else if ("double".equals(type)) {
|
||||
value = new Double(valueText);
|
||||
}
|
||||
else if ("boolean".equals(type)) {
|
||||
value = new Boolean(valueText);
|
||||
}
|
||||
else if ("string".equals(type)) {
|
||||
value = valueText;
|
||||
}
|
||||
else if ("java-object".equals(type)) {
|
||||
try {
|
||||
byte [] bytes = StringUtils.decodeBase64(valueText);
|
||||
ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes));
|
||||
value = in.readObject();
|
||||
}
|
||||
catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
if (name != null && value != null) {
|
||||
properties.put(name, value);
|
||||
}
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("properties")) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return properties;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses error sub-packets.
|
||||
*
|
||||
* @param parser the XML parser.
|
||||
* @return an error sub-packet.
|
||||
* @throws Exception if an exception occurs while parsing the packet.
|
||||
*/
|
||||
public static XMPPError parseError(XmlPullParser parser) throws Exception {
|
||||
String errorCode = "-1";
|
||||
String message = null;
|
||||
for (int i=0; i<parser.getAttributeCount(); i++) {
|
||||
if (parser.getAttributeName(i).equals("code")) {
|
||||
errorCode = parser.getAttributeValue("", "code");
|
||||
}
|
||||
}
|
||||
// Get the error text in a safe way since we are not sure about the error message format
|
||||
try {
|
||||
message = parser.nextText();
|
||||
}
|
||||
catch (XmlPullParserException ex) {}
|
||||
while (true) {
|
||||
if (parser.getEventType() == XmlPullParser.END_TAG && parser.getName().equals("error")) {
|
||||
break;
|
||||
}
|
||||
parser.next();
|
||||
}
|
||||
return new XMPPError(Integer.parseInt(errorCode), message);
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses a packet extension sub-packet.
|
||||
*
|
||||
|
|
|
|||
Loading…
Reference in a new issue