mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-11-22 22:32:06 +01:00
SMACK-425 Introduced smack.parsing.ParsingExceptionCallback, a callback invoked when a exception is thrown while parsing a stanza. Smack is now able to either rethrow the exception ulitmatly causing a disconnect *or* log/ignore the exception and resume parsing after the faulty stanza.
Conflicts: source/org/jivesoftware/smack/SmackConfiguration.java git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@13685 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
parent
dac68c64a9
commit
4cd53e4419
12 changed files with 541 additions and 8 deletions
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@ -1,4 +1,3 @@
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#Tue Jan 29 23:27:16 CET 2013
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eclipse.preferences.version=1
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editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
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formatter_profile=_ignite
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@ -37,7 +36,7 @@ sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=
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sp_cleanup.qualify_static_member_accesses_with_declaring_class=false
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sp_cleanup.qualify_static_method_accesses_with_declaring_class=false
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sp_cleanup.remove_private_constructors=true
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sp_cleanup.remove_trailing_whitespaces=false
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sp_cleanup.remove_trailing_whitespaces=true
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sp_cleanup.remove_trailing_whitespaces_all=true
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sp_cleanup.remove_trailing_whitespaces_ignore_empty=false
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sp_cleanup.remove_unnecessary_casts=true
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@ -22,6 +22,10 @@ package org.jivesoftware.smack;
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import org.jivesoftware.smack.Connection.ListenerWrapper;
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import org.jivesoftware.smack.packet.*;
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import org.jivesoftware.smack.parsing.ParsingExceptionCallback;
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import org.jivesoftware.smack.parsing.UnparsedIQ;
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import org.jivesoftware.smack.parsing.UnparsedMessage;
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import org.jivesoftware.smack.parsing.UnparsedPresence;
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import org.jivesoftware.smack.sasl.SASLMechanism.Challenge;
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import org.jivesoftware.smack.sasl.SASLMechanism.Failure;
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import org.jivesoftware.smack.sasl.SASLMechanism.Success;
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@ -176,14 +180,49 @@ class PacketReader {
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int eventType = parser.getEventType();
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do {
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if (eventType == XmlPullParser.START_TAG) {
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int parserDepth = parser.getDepth();
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ParsingExceptionCallback callback = connection.getParsingExceptionCallback();
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if (parser.getName().equals("message")) {
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processPacket(PacketParserUtils.parseMessage(parser));
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Packet packet;
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try {
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packet = PacketParserUtils.parseMessage(parser);
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} catch (Exception e) {
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String content = PacketParserUtils.parseContentDepth(parser, parserDepth);
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UnparsedMessage message = new UnparsedMessage(content, e);
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if (callback != null) {
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callback.messageParsingException(e, message);
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}
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continue;
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}
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processPacket(packet);
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}
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else if (parser.getName().equals("iq")) {
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processPacket(PacketParserUtils.parseIQ(parser, connection));
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IQ iq;
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try {
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iq = PacketParserUtils.parseIQ(parser, connection);
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} catch (Exception e) {
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String content = PacketParserUtils.parseContentDepth(parser, parserDepth);
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UnparsedIQ uniq = new UnparsedIQ(content, e);
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if (callback != null) {
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callback.iqParsingException(e, uniq);
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}
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continue;
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}
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processPacket(iq);
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}
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else if (parser.getName().equals("presence")) {
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processPacket(PacketParserUtils.parsePresence(parser));
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Presence presence;
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try {
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presence = PacketParserUtils.parsePresence(parser);
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} catch (Exception e) {
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String content = PacketParserUtils.parseContentDepth(parser, parserDepth);
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UnparsedPresence unpresence = new UnparsedPresence(content, e);
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if (callback != null) {
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callback.presenceParsingException(e, unpresence);
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}
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continue;
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}
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processPacket(presence);
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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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@ -28,6 +28,8 @@ import java.util.Enumeration;
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import java.util.List;
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import java.util.Vector;
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import org.jivesoftware.smack.parsing.ParsingExceptionCallback;
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import org.jivesoftware.smack.parsing.ThrowException;
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import org.xmlpull.mxp1.MXParser;
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import org.xmlpull.v1.XmlPullParser;
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@ -58,6 +60,17 @@ public final class SmackConfiguration {
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private static int localSocks5ProxyPort = 7777;
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private static int packetCollectorSize = 5000;
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/**
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* defaultPingInterval (in seconds)
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*/
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private static int defaultPingInterval = 1800; // 30 min (30*60)
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/**
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* The default parsing exception callback is {@link ThrowException} which will
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* throw an exception and therefore disconnect the active connection.
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*/
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private static ParsingExceptionCallback defaultCallback = new ThrowException();
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/**
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* This automatically enables EntityCaps for new connections if it is set to true
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*/
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@ -331,6 +344,38 @@ public final class SmackConfiguration {
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return autoEnableEntityCaps;
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}
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<<<<<<< HEAD
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=======
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/**
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* Set if Entity Caps are enabled or disabled for every new connection
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*
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* @param true if Entity Caps should be auto enabled, false if not
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*/
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public static void setAutoEnableEntityCaps(boolean b) {
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autoEnableEntityCaps = b;
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}
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/**
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* Set the default parsing exception callback for all newly created connections
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*
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* @param callback
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* @see ParsingExceptionCallback
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*/
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public static void setDefaultParsingExceptionCallback(ParsingExceptionCallback callback) {
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defaultCallback = callback;
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}
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/**
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* Returns the default parsing exception callback
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*
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* @return the default parsing exception callback
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* @see ParsingExceptionCallback
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*/
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public static ParsingExceptionCallback getDefaultParsingExceptionCallback() {
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return defaultCallback;
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}
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>>>>>>> SMACK-425 Introduced smack.parsing.ParsingExceptionCallback, a callback invoked when a exception is thrown while parsing a stanza. Smack is now able to either rethrow the exception ulitmatly causing a disconnect *or* log/ignore the exception and resume parsing after the faulty stanza.
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private static void parseClassToLoad(XmlPullParser parser) throws Exception {
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String className = parser.nextText();
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// Attempt to load the class so that the class can get initialized
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@ -25,6 +25,7 @@ import org.jivesoftware.smack.filter.PacketFilter;
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import org.jivesoftware.smack.packet.Packet;
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import org.jivesoftware.smack.packet.Presence;
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import org.jivesoftware.smack.packet.XMPPError;
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import org.jivesoftware.smack.parsing.ParsingExceptionCallback;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.dns.HostAddress;
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@ -89,6 +90,8 @@ public class XMPPConnection extends Connection {
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private boolean anonymous = false;
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private boolean usingTLS = false;
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private ParsingExceptionCallback parsingExceptionCallback = SmackConfiguration.getDefaultParsingExceptionCallback();
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PacketWriter packetWriter;
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PacketReader packetReader;
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@ -202,6 +205,25 @@ public class XMPPConnection extends Connection {
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return user;
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}
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/**
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* Install a parsing exception callback, which will be invoked once an exception is encountered while parsing a
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* stanza
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*
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* @param callback the callback to install
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*/
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public void setParsingExceptionCallback(ParsingExceptionCallback callback) {
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parsingExceptionCallback = callback;
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}
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/**
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* Get the current active parsing exception callback.
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*
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* @return the active exception callback or null if there is none
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*/
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public ParsingExceptionCallback getParsingExceptionCallback() {
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return parsingExceptionCallback;
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}
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@Override
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public synchronized void login(String username, String password, String resource) throws XMPPException {
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if (!isConnected()) {
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51
source/org/jivesoftware/smack/parsing/LogException.java
Normal file
51
source/org/jivesoftware/smack/parsing/LogException.java
Normal file
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@ -0,0 +1,51 @@
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/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright 2013 Florian Schmaus.
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*
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.parsing;
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/**
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* Simple parsing exception callback that only logs the encountered parsing exception to stderr.
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*
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* @author Florian Schmaus
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*
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*/
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public class LogException extends ParsingExceptionCallback {
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@Override
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public void messageParsingException(Exception e, UnparsedMessage message) throws Exception {
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System.err.print("Smack message parsing exception: " + e.getMessage());
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e.printStackTrace();
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System.err.println("Unparsed content: " + message.getContent());
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}
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@Override
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public void iqParsingException(Exception e, UnparsedIQ iq) throws Exception {
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System.err.print("Smack iq parsing exception: " + e.getMessage());
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e.printStackTrace();
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System.err.println("Unparsed content: " + iq.getContent());
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}
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@Override
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public void presenceParsingException(Exception e, UnparsedPresence presence) throws Exception {
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System.err.print("Smack presence parsing exception: " + e.getMessage());
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e.printStackTrace();
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System.err.println("Unparsed content: " + presence.getContent());
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}
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}
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@ -0,0 +1,76 @@
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/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright 2013 Florian Schmaus.
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*
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.parsing;
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/**
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* Base class to receive parsing exceptions.
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*
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* If this class is used as callback, then Smack will silently ignore the stanza that caused the parsing exception and
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* place the parser after the faulty stanza.
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*
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* Subclasses may or may not override certain methods of this class. Each of these methods will receive the exception
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* that caused the parsing error and an instance of an Unparsed Packet type. The latter can be used to inspect the
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* stanza that caused the parsing error by using the getContent() (for example {@link UnparsedIQ#getContent()})
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* method.
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*
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* Smack provides 2 predefined ParsingExceptionCallback's: {@link LogException} and {@link ThrowException}.
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*
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* @author Florian Schmaus
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*
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*/
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public abstract class ParsingExceptionCallback {
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/**
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* Called when parsing an message stanza caused an exception.
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*
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* @param e
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* the exception thrown while parsing the message stanza
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* @param message
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* the raw message stanza data that caused the exception
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* @throws Exception
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*/
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public void messageParsingException(Exception e, UnparsedMessage message) throws Exception {
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}
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/**
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* Called when parsing an IQ stanza caused an exception.
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*
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* @param e
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* the exception thrown while parsing the iq stanza
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* @param iq
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* the raw iq stanza data that caused the exception
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* @throws Exception
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*/
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public void iqParsingException(Exception e, UnparsedIQ iq) throws Exception {
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}
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/**
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* Called when parsing a presence stanza caused an exception.
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*
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* @param e
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* the exception thrown while parsing the presence stanza
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* @param presence
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* the raw presence stanza data that caused the exception
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* @throws Exception
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*/
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public void presenceParsingException(Exception e, UnparsedPresence presence) throws Exception {
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}
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}
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48
source/org/jivesoftware/smack/parsing/ThrowException.java
Normal file
48
source/org/jivesoftware/smack/parsing/ThrowException.java
Normal file
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@ -0,0 +1,48 @@
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/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright 2013 Florian Schmaus.
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*
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.parsing;
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import org.jivesoftware.smack.ConnectionListener;
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/**
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* Parsing exception callback class that simply throws the encountered parsing exception. This usually leads to an
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* {@link ConnectionListener#connectionClosedOnError(Exception)} disconnect of the connection.
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*
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* @author Florian Schmaus
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*
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*/
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public class ThrowException extends ParsingExceptionCallback {
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@Override
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public void messageParsingException(Exception e, UnparsedMessage message) throws Exception {
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throw e;
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}
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@Override
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public void iqParsingException(Exception e, UnparsedIQ iq) throws Exception {
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throw e;
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}
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@Override
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public void presenceParsingException(Exception e, UnparsedPresence presence) throws Exception {
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throw e;
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}
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}
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62
source/org/jivesoftware/smack/parsing/UnparsedIQ.java
Normal file
62
source/org/jivesoftware/smack/parsing/UnparsedIQ.java
Normal file
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/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright 2013 Florian Schmaus.
|
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*
|
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* All rights reserved. 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.
|
||||
*/
|
||||
|
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package org.jivesoftware.smack.parsing;
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import org.jivesoftware.smack.packet.IQ;
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/**
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* Representation of an unparsed IQ stanza.
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*
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* @author Florian Schmaus
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*
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*/
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public class UnparsedIQ extends IQ {
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private final String content;
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private final Exception e;
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public UnparsedIQ(final String content, final Exception e) {
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this.content = content;
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this.e = e;
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}
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/**
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*
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* @return the exception that caused the parser to fail
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*/
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public Exception getException() {
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return e;
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}
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/**
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* Retrieve the raw stanza data
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*
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* @return the raw stanza data
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*/
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public String getContent() {
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return content;
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||||
}
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||||
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@Override
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public String getChildElementXML() {
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return null;
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||||
}
|
||||
|
||||
}
|
57
source/org/jivesoftware/smack/parsing/UnparsedMessage.java
Normal file
57
source/org/jivesoftware/smack/parsing/UnparsedMessage.java
Normal file
|
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/**
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||||
* $RCSfile$
|
||||
* $Revision$
|
||||
* $Date$
|
||||
*
|
||||
* Copyright 2013 Florian Schmaus.
|
||||
*
|
||||
* All rights reserved. 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.parsing;
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|
||||
import org.jivesoftware.smack.packet.Message;
|
||||
|
||||
/**
|
||||
* Representation of an unparsed IQ stanza.
|
||||
*
|
||||
* @author Florian Schmaus
|
||||
*
|
||||
*/
|
||||
public class UnparsedMessage extends Message {
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private final String content;
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||||
private final Exception e;
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||||
|
||||
public UnparsedMessage(final String content, final Exception e) {
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||||
this.content = content;
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||||
this.e = e;
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}
|
||||
|
||||
/**
|
||||
*
|
||||
* @return the exception that caused the parser to fail
|
||||
*/
|
||||
public Exception getException() {
|
||||
return e;
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve the raw stanza data
|
||||
*
|
||||
* @return the raw stanza data
|
||||
*/
|
||||
public String getContent() {
|
||||
return content;
|
||||
}
|
||||
|
||||
}
|
61
source/org/jivesoftware/smack/parsing/UnparsedPresence.java
Normal file
61
source/org/jivesoftware/smack/parsing/UnparsedPresence.java
Normal file
|
@ -0,0 +1,61 @@
|
|||
/**
|
||||
* $RCSfile$
|
||||
* $Revision$
|
||||
* $Date$
|
||||
*
|
||||
* Copyright 2013 Florian Schmaus.
|
||||
*
|
||||
* All rights reserved. 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.parsing;
|
||||
|
||||
import org.jivesoftware.smack.packet.Presence;
|
||||
|
||||
/**
|
||||
* Representation of an unparsed IQ stanza.
|
||||
*
|
||||
* @author Florian Schmaus
|
||||
*
|
||||
*/
|
||||
public class UnparsedPresence extends Presence {
|
||||
private String content;
|
||||
private Exception e;
|
||||
|
||||
public UnparsedPresence(Type type) {
|
||||
super(type);
|
||||
}
|
||||
|
||||
public UnparsedPresence(final String content, final Exception e) {
|
||||
super(Presence.Type.error);
|
||||
this.content = content;
|
||||
this.e = e;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @return the exception that caused the parser to fail
|
||||
*/
|
||||
public Exception getException() {
|
||||
return e;
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve the raw stanza data
|
||||
*
|
||||
* @return the raw stanza data
|
||||
*/
|
||||
public String getContent() {
|
||||
return content;
|
||||
}
|
||||
}
|
|
@ -171,10 +171,13 @@ public class PacketParserUtils {
|
|||
*/
|
||||
private static String parseContent(XmlPullParser parser)
|
||||
throws XmlPullParserException, IOException {
|
||||
StringBuffer content = new StringBuffer();
|
||||
int parserDepth = parser.getDepth();
|
||||
while (!(parser.next() == XmlPullParser.END_TAG && parser
|
||||
.getDepth() == parserDepth)) {
|
||||
return parseContentDepth(parser, parserDepth);
|
||||
}
|
||||
|
||||
public static String parseContentDepth(XmlPullParser parser, int depth) throws XmlPullParserException, IOException {
|
||||
StringBuffer content = new StringBuffer();
|
||||
while (!(parser.next() == XmlPullParser.END_TAG && parser.getDepth() == depth)) {
|
||||
content.append(parser.getText());
|
||||
}
|
||||
return content.toString();
|
||||
|
|
|
@ -0,0 +1,70 @@
|
|||
package org.jivesoftware.smack.parsing;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
|
||||
import org.jivesoftware.smack.TestUtils;
|
||||
import org.jivesoftware.smack.XMPPException;
|
||||
import org.jivesoftware.smack.packet.PacketExtension;
|
||||
import org.jivesoftware.smack.provider.PacketExtensionProvider;
|
||||
import org.jivesoftware.smack.provider.ProviderManager;
|
||||
import org.jivesoftware.smack.util.PacketParserUtils;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.xmlpull.v1.XmlPullParser;
|
||||
|
||||
public class ParsingExceptionTest {
|
||||
private final static ProviderManager PM = ProviderManager.getInstance();
|
||||
|
||||
private final static String EXTENSION2 =
|
||||
"<extension2 xmlns='namespace'>" +
|
||||
"<bar node='testNode'>" +
|
||||
"<i id='testid1' >" +
|
||||
"</i>" +
|
||||
"</bar>" +
|
||||
"</extension2>";
|
||||
|
||||
@Before
|
||||
public void init() {
|
||||
PM.addExtensionProvider(ThrowException.ELEMENT, ThrowException.NAMESPACE, new ThrowException());
|
||||
}
|
||||
|
||||
@After
|
||||
public void tini() {
|
||||
PM.removeExtensionProvider(ThrowException.ELEMENT, ThrowException.NAMESPACE);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void consumeUnparsedInput() throws Exception {
|
||||
XmlPullParser parser = TestUtils.getMessageParser(
|
||||
"<message from='user@server.example' to='francisco@denmark.lit' id='foo'>" +
|
||||
"<" + ThrowException.ELEMENT + " xmlns='" + ThrowException.NAMESPACE + "'>" +
|
||||
"<nothingInHere>" +
|
||||
"</nothingInHere>" +
|
||||
"</" + ThrowException.ELEMENT + ">" +
|
||||
EXTENSION2 +
|
||||
"</message>");
|
||||
int parserDepth = parser.getDepth();
|
||||
String content = null;
|
||||
try {
|
||||
PacketParserUtils.parseMessage(parser);
|
||||
} catch (Exception e) {
|
||||
content = PacketParserUtils.parseContentDepth(parser, parserDepth);
|
||||
}
|
||||
assertNotNull(content);
|
||||
assertEquals(content, "<nothingInHere></nothingInHere>" + "</" + ThrowException.ELEMENT + ">" + EXTENSION2);
|
||||
|
||||
}
|
||||
|
||||
static class ThrowException implements PacketExtensionProvider {
|
||||
public static final String ELEMENT = "exception";
|
||||
public static final String NAMESPACE = "http://smack.jivesoftware.org/exception";
|
||||
|
||||
@Override
|
||||
public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
|
||||
throw new XMPPException("Test Exception");
|
||||
}
|
||||
|
||||
}
|
||||
}
|
Loading…
Reference in a new issue