/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.binding.soap.tcp;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import org.apache.cxf.binding.soap.tcp.frames.SoapTcpFrame;
import org.apache.cxf.binding.soap.tcp.frames.SoapTcpFrameHeader;
import org.apache.cxf.binding.soap.tcp.frames.SoapTcpMessage;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.ProtocolDecoderAdapter;
import org.apache.mina.filter.codec.ProtocolDecoderOutput;
public class SoapTcpMessageDecoder extends ProtocolDecoderAdapter { //CumulativeProtocolDecoder {
@SuppressWarnings("unchecked")
public void decode(IoSession session, IoBuffer buffer, ProtocolDecoderOutput out)
throws Exception {
byte[] tempBuffer = (byte[])session.getAttribute("tempBuffer");
Integer bufferPosition = (Integer)session.getAttribute("bufferPosition");
Integer bufferDataLength = (Integer)session.getAttribute("bufferDataLength");
if (tempBuffer == null) {
tempBuffer = new byte[SoapTcpOutputStream.CHUNK_SIZE];
bufferDataLength = buffer.limit();
for (bufferPosition = Integer.valueOf(0); bufferPosition < bufferDataLength; bufferPosition++) {
tempBuffer[bufferPosition] = buffer.get();
}
session.setAttribute("tempBuffer", tempBuffer);
session.setAttribute("bufferPosition", bufferPosition);
session.setAttribute("bufferDataLength", bufferDataLength);
} else {
bufferDataLength += buffer.limit();
for (; bufferPosition < bufferDataLength; bufferPosition++) {
tempBuffer[bufferPosition] = buffer.get();
}
}
SoapTcpSessionState sessionState = (SoapTcpSessionState)session.getAttribute("sessionState");
if (sessionState != null
&& sessionState.getStateId() == SoapTcpSessionState.SOAP_TCP_SESSION_STATE_NEW) {
if (bufferPosition == 16) {
out.write(IoBuffer.wrap(tempBuffer, 0, bufferPosition));
bufferPosition = 0;
bufferDataLength = 0;
session.setAttribute("bufferPosition", bufferPosition);
session.setAttribute("bufferDataLength", bufferDataLength);
return;
} else {
return;
}
}
InputStream inStream = new ByteArrayInputStream(tempBuffer, 0, bufferDataLength);
try {
SoapTcpFrame frame = SoapTcpUtils.readMessageFrame(inStream);
List<SoapTcpChannel> channels = (List<SoapTcpChannel>)session.getAttribute("channels");
for (SoapTcpChannel channel : channels) {
if (channel.getChannelId() == frame.getChannelId()) {
switch (frame.getHeader().getFrameType()) {
case SoapTcpFrameHeader.SINGLE_FRAME_MESSAGE:
case SoapTcpFrameHeader.ERROR_MESSAGE:
case SoapTcpFrameHeader.NULL_MESSAGE:
SoapTcpMessage singleFrameMessage = SoapTcpMessage.createSoapTcpMessage(frame);
out.write(singleFrameMessage);
bufferPosition = 0;
bufferDataLength = 0;
break;
case SoapTcpFrameHeader.MESSAGE_START_CHUNK:
case SoapTcpFrameHeader.MESSAGE_CHUNK:
channel.addFrame(frame);
bufferPosition = 0;
bufferDataLength = 0;
break;
case SoapTcpFrameHeader.MESSAGE_END_CHUNK:
List<SoapTcpFrame> frames = channel.getFrames();
SoapTcpMessage multiFrameMessage = SoapTcpMessage.createSoapTcpMessage(frames);
multiFrameMessage.getFrames().add(frame);
out.write(multiFrameMessage);
bufferPosition = 0;
bufferDataLength = 0;
break;
default:
return;
}
}
}
} catch (IOException ex) {
//
} finally {
session.setAttribute("bufferPosition", bufferPosition);
session.setAttribute("bufferDataLength", bufferDataLength);
}
}
}