/*
* Copyright (C) 2005-2008 Jive Software. 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.openfire.nio;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.CumulativeProtocolDecoder;
import org.apache.mina.filter.codec.ProtocolDecoderOutput;
/**
* Decoder class that parses ByteBuffers and generates XML stanzas. Generated
* stanzas are then passed to the next filters.
*
* @author Gaston Dombiak
*/
public class XMPPDecoder extends CumulativeProtocolDecoder {
@Override
protected boolean doDecode(IoSession session, IoBuffer in, ProtocolDecoderOutput out)
throws Exception {
// Get the XML light parser from the IoSession
XMLLightweightParser parser = (XMLLightweightParser) session.getAttribute(ConnectionHandler.XML_PARSER);
// Parse as many stanzas as possible from the received data
parser.read(in);
if (parser.areThereMsgs()) {
for (String stanza : parser.getMsgs()) {
out.write(stanza);
}
}
return !in.hasRemaining();
}
}