124 lines
4.0 KiB
Java
124 lines
4.0 KiB
Java
/**
|
|
*
|
|
* Copyright 2003-2005 Jive Software.
|
|
*
|
|
* 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.jingleold.provider;
|
|
|
|
import java.io.IOException;
|
|
|
|
import org.jivesoftware.smack.packet.XmlEnvironment;
|
|
import org.jivesoftware.smack.provider.ExtensionElementProvider;
|
|
import org.jivesoftware.smack.xml.XmlPullParser;
|
|
import org.jivesoftware.smack.xml.XmlPullParserException;
|
|
|
|
import org.jivesoftware.smackx.jingleold.media.PayloadType;
|
|
import org.jivesoftware.smackx.jingleold.packet.JingleDescription;
|
|
|
|
/**
|
|
* Parser for a Jingle description.
|
|
*
|
|
* @author Alvaro Saurin
|
|
*/
|
|
public abstract class JingleDescriptionProvider extends ExtensionElementProvider<JingleDescription> {
|
|
|
|
/**
|
|
* Parse a iq/jingle/description/payload-type element.
|
|
*
|
|
* @param parser TODO javadoc me please
|
|
* the input to parse
|
|
* @return a payload type element
|
|
*/
|
|
protected PayloadType parsePayload(final XmlPullParser parser) {
|
|
int ptId;
|
|
String ptName;
|
|
int ptChannels;
|
|
|
|
ptId = Integer.parseInt(parser.getAttributeValue("", "id"));
|
|
|
|
ptName = parser.getAttributeValue("", "name");
|
|
|
|
ptChannels = Integer.parseInt(parser.getAttributeValue("", "channels"));
|
|
|
|
return new PayloadType(ptId, ptName, ptChannels);
|
|
}
|
|
|
|
/**
|
|
* Parse a iq/jingle/description element.
|
|
*
|
|
* @param parser TODO javadoc me please
|
|
* the input to parse
|
|
* @return a description element
|
|
* @throws IOException if an I/O error occurred.
|
|
* @throws XmlPullParserException if an error in the XML parser occurred.
|
|
*/
|
|
@Override
|
|
public JingleDescription parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
|
|
JingleDescription desc = getInstance();
|
|
|
|
outerloop: while (true) {
|
|
XmlPullParser.Event eventType = parser.next();
|
|
if (eventType == XmlPullParser.Event.START_ELEMENT) {
|
|
String name = parser.getName();
|
|
if (name.equals(PayloadType.NODENAME)) {
|
|
desc.addPayloadType(parsePayload(parser));
|
|
} else {
|
|
// TODO: Should be SmackParseException.
|
|
throw new IOException("Unknow element \"" + name + "\" in content.");
|
|
}
|
|
} else if (eventType == XmlPullParser.Event.END_ELEMENT) {
|
|
if (parser.getDepth() == initialDepth) {
|
|
break outerloop;
|
|
}
|
|
}
|
|
}
|
|
return desc;
|
|
}
|
|
|
|
/**
|
|
* Return a new instance of this class. Subclasses must overwrite this
|
|
* method.
|
|
*
|
|
* @return the jingle description.
|
|
*/
|
|
protected abstract JingleDescription getInstance();
|
|
|
|
/**
|
|
* Jingle audio.
|
|
*/
|
|
public static class Audio extends JingleDescriptionProvider {
|
|
|
|
/**
|
|
* Parse an audio payload type.
|
|
*/
|
|
@Override
|
|
public PayloadType parsePayload(final XmlPullParser parser) {
|
|
PayloadType pte = super.parsePayload(parser);
|
|
PayloadType.Audio pt = new PayloadType.Audio(pte);
|
|
int ptClockRate = Integer.parseInt(parser.getAttributeValue("", "clockrate"));
|
|
pt.setClockRate(ptClockRate);
|
|
|
|
return pt;
|
|
}
|
|
|
|
/**
|
|
* Get a new instance of this object.
|
|
*/
|
|
@Override
|
|
protected JingleDescription getInstance() {
|
|
return new JingleDescription.Audio();
|
|
}
|
|
}
|
|
}
|