/**
* 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 demo.stream.interceptor;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import org.apache.cxf.binding.soap.interceptor.SoapPreProtocolOutInterceptor;
import org.apache.cxf.io.AbstractCachedOutputStream;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
public class StreamInterceptor extends AbstractPhaseInterceptor<Message> {
public StreamInterceptor() {
super();
setPhase(Phase.PRE_STREAM);
addBefore(SoapPreProtocolOutInterceptor.class.getName());
}
public void handleMessage(Message message) {
//TODO
boolean isOutbound = false;
isOutbound = message == message.getExchange().getOutMessage()
|| message == message.getExchange().getOutFaultMessage();
if (isOutbound) {
OutputStream os = message.getContent(OutputStream.class);
CachedStream cs = new CachedStream();
message.setContent(OutputStream.class, cs);
message.getInterceptorChain().doIntercept(message);
try {
cs.flush();
AbstractCachedOutputStream csnew = (AbstractCachedOutputStream) message
.getContent(OutputStream.class);
GZIPOutputStream zipOutput = new GZIPOutputStream(os);
AbstractCachedOutputStream.copyStream(csnew.getInputStream(), zipOutput, 1024);
cs.close();
zipOutput.close();
os.flush();
message.setContent(OutputStream.class, os);
} catch (IOException ioe) {
ioe.printStackTrace();
}
} else {
try {
InputStream is = message.getContent(InputStream.class);
GZIPInputStream zipInput = new GZIPInputStream(is);
message.setContent(InputStream.class, zipInput);
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}
public void handleFault(Message message) {
}
private class CachedStream extends AbstractCachedOutputStream {
public CachedStream() {
super();
}
protected void doFlush() throws IOException {
currentStream.flush();
}
protected void doClose() throws IOException {
}
protected void onWrite() throws IOException {
}
}
}