Smack/smack-extensions/src/main/java/org/jivesoftware/smackx/iqversion/provider/VersionProvider.java

66 lines
2.2 KiB
Java

/**
*
* Copyright 2014 Georg Lukas.
*
* 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.iqversion.provider;
import java.io.IOException;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.XmlEnvironment;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smackx.iqversion.packet.Version;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
public class VersionProvider extends IQProvider<Version> {
@Override
public Version parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
String name = null, version = null, os = null;
outerloop: while (true) {
int eventType = parser.next();
switch (eventType) {
case XmlPullParser.START_TAG:
String tagName = parser.getName();
switch (tagName) {
case "name":
name = parser.nextText();
break;
case "version":
version = parser.nextText();
break;
case "os":
os = parser.nextText();
break;
}
break;
case XmlPullParser.END_TAG:
if (parser.getDepth() == initialDepth && parser.getName().equals(IQ.QUERY_ELEMENT)) {
break outerloop;
}
}
}
if (name == null && version == null && os == null) {
return new Version();
}
return new Version(name, version, os);
}
}