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SMACK-403 Added support for Stanza forwarding.

Code submitted by George Lukas...no, not that one.

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_4_0@13871 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
rcollier 2014-01-22 02:25:32 +00:00
parent 86df178654
commit 2789591a5b
4 changed files with 239 additions and 0 deletions

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@ -435,4 +435,11 @@
<className>org.jivesoftware.smackx.entitycaps.provider.CapsExtensionProvider</className>
</extensionProvider>
<!-- XEP-0297 Stanza Forwarding -->
<extensionProvider>
<elementName>forwarded</elementName>
<namespace>urn:xmpp:forward:0</namespace>
<className>org.jivesoftware.smackx.forward.provider.ForwardedProvider</className>
</extensionProvider>
</smackProviders>

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@ -0,0 +1,91 @@
/**
* Copyright 2013 Georg Lukas
*
* 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.smackx.forward;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.jivesoftware.smackx.packet.DelayInfo;
import org.jivesoftware.smackx.provider.DelayInfoProvider;
import org.xmlpull.v1.XmlPullParser;
/**
* Packet extension for <a href="http://xmpp.org/extensions/xep-0297.html">XEP-0297</a>: Stanza Forwarding.
*
* @author Georg Lukas
*/
public class Forwarded implements PacketExtension {
public static final String NAMESPACE = "urn:xmpp:forward:0";
public static final String ELEMENT_NAME = "forwarded";
private DelayInfo delay;
private Packet forwardedPacket;
/**
* Creates a new Forwarded packet extension.
*
* @param delay an optional {@link DelayInfo} timestamp of the packet.
* @param fwdPacket the packet that is forwarded (required).
*/
public Forwarded(DelayInfo delay, Packet fwdPacket) {
this.delay = delay;
this.forwardedPacket = fwdPacket;
}
@Override
public String getElementName() {
return ELEMENT_NAME;
}
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public String toXML() {
StringBuilder buf = new StringBuilder();
buf.append("<").append(getElementName()).append(" xmlns=\"")
.append(getNamespace()).append("\">");
if (delay != null)
buf.append(delay.toXML());
buf.append(forwardedPacket.toXML());
buf.append("</").append(getElementName()).append(">");
return buf.toString();
}
/**
* get the packet forwarded by this stanza.
*
* @return the {@link Packet} instance (typically a message) that was forwarded.
*/
public Packet getForwardedPacket() {
return forwardedPacket;
}
/**
* get the timestamp of the forwarded packet.
*
* @return the {@link DelayInfo} representing the time when the original packet was sent. May be null.
*/
public DelayInfo getDelayInfo() {
return delay;
}
}

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@ -0,0 +1,55 @@
/**
* Copyright 2013 Georg Lukas
*
* 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.smackx.forward.provider;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.jivesoftware.smackx.forward.Forwarded;
import org.jivesoftware.smackx.packet.DelayInfo;
import org.xmlpull.v1.XmlPullParser;
/**
* This class implements the {@link PacketExtensionProvider} to parse
* forwarded messages from a packet. It will return a {@link Forwarded} packet extension.
*
* @author Georg Lukas
*/
public class ForwardedProvider implements PacketExtensionProvider {
public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
DelayInfo di = null;
Packet packet = null;
boolean done = false;
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("delay"))
di = (DelayInfo)PacketParserUtils.parsePacketExtension(parser.getName(), parser.getNamespace(), parser);
else if (parser.getName().equals("message"))
packet = PacketParserUtils.parseMessage(parser);
else throw new Exception("Unsupported forwarded packet type: " + parser.getName());
}
else if (eventType == XmlPullParser.END_TAG && parser.getName().equals(Forwarded.ELEMENT_NAME))
done = true;
}
if (packet == null)
throw new Exception("forwarded extension must contain a packet");
return new Forwarded(di, packet);
}
}

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@ -0,0 +1,86 @@
/**
* 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.smackx.forward;
import static org.junit.Assert.*;
import java.io.IOException;
import java.io.StringReader;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Properties;
import java.util.TimeZone;
import org.jivesoftware.smack.TestUtils;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smackx.packet.DelayInfo;
import org.jivesoftware.smackx.packet.DelayInformation;
import org.jivesoftware.smackx.forward.Forwarded;
import org.jivesoftware.smackx.forward.provider.ForwardedProvider;
import org.junit.Test;
import org.xmlpull.mxp1.MXParser;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import com.jamesmurty.utils.XMLBuilder;
public class ForwardedTest {
private static Properties outputProperties = new Properties();
static {
outputProperties.put(javax.xml.transform.OutputKeys.OMIT_XML_DECLARATION, "yes");
}
@Test
public void forwardedTest() throws Exception {
XmlPullParser parser;
String control;
Forwarded fwd;
control = XMLBuilder.create("forwarded")
.a("xmlns", "urn:xmpp:forwarded:0")
.e("message")
.a("from", "romeo@montague.com")
.asString(outputProperties);
parser = TestUtils.getParser(control, "forwarded");
fwd = (Forwarded) new ForwardedProvider().parseExtension(parser);
// no delay in packet
assertEquals(null, fwd.getDelayInfo());
// check message
assertEquals("romeo@montague.com", fwd.getForwardedPacket().getFrom());
// check end of tag
assertEquals(XmlPullParser.END_TAG, parser.getEventType());
assertEquals("forwarded", parser.getName());
}
@Test(expected=Exception.class)
public void forwardedEmptyTest() throws Exception {
XmlPullParser parser;
String control;
control = XMLBuilder.create("forwarded")
.a("xmlns", "urn:xmpp:forwarded:0")
.asString(outputProperties);
parser = TestUtils.getParser(control, "forwarded");
new ForwardedProvider().parseExtension(parser);
}
}