90 lines
3.4 KiB
Java
90 lines
3.4 KiB
Java
/**
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*
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* Copyright 2013-2014 Georg Lukas
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*
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* 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.smackx.forward.provider;
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import java.io.IOException;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.packet.Message;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.parsing.SmackParsingException;
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import org.jivesoftware.smack.provider.ExtensionElementProvider;
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import org.jivesoftware.smack.util.PacketParserUtils;
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import org.jivesoftware.smackx.delay.packet.DelayInformation;
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import org.jivesoftware.smackx.delay.provider.DelayInformationProvider;
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import org.jivesoftware.smackx.forward.packet.Forwarded;
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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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* This class implements the {@link ExtensionElementProvider} to parse
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* forwarded messages from a packet. It will return a {@link Forwarded} stanza extension.
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*
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* @author Georg Lukas
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*/
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public class ForwardedProvider extends ExtensionElementProvider<Forwarded> {
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public static final ForwardedProvider INSTANCE = new ForwardedProvider();
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private static final Logger LOGGER = Logger.getLogger(ForwardedProvider.class.getName());
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@Override
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public Forwarded parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException, SmackParsingException {
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DelayInformation di = null;
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Stanza packet = null;
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outerloop: while (true) {
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int eventType = parser.next();
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switch (eventType) {
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case XmlPullParser.START_TAG:
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String name = parser.getName();
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String namespace = parser.getNamespace();
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switch (name) {
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case DelayInformation.ELEMENT:
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if (DelayInformation.NAMESPACE.equals(namespace)) {
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di = DelayInformationProvider.INSTANCE.parse(parser, parser.getDepth(), null);
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} else {
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LOGGER.warning("Namespace '" + namespace + "' does not match expected namespace '"
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+ DelayInformation.NAMESPACE + "'");
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}
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break;
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case Message.ELEMENT:
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packet = PacketParserUtils.parseMessage(parser);
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break;
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default:
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LOGGER.warning("Unsupported forwarded packet type: " + name);
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}
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break;
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case XmlPullParser.END_TAG:
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if (parser.getDepth() == initialDepth) {
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break outerloop;
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}
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break;
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}
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}
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if (packet == null) {
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// TODO: Should be SmackParseException.
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throw new IOException("forwarded extension must contain a packet");
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}
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return new Forwarded(di, packet);
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}
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}
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