org.apache.cxf.io.CacheAndWriteOutputStream Maven / Gradle / Ivy
/**
* 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.io;
import java.io.IOException;
import java.io.OutputStream;
/**
* This outputstream implementation will both write to the outputstream
* that is specified and cache the data at the same time. This allows us
* to go back and retransmit the data at a later time if necessary.
*
*/
public class CacheAndWriteOutputStream extends CachedOutputStream {
OutputStream flowThroughStream;
public CacheAndWriteOutputStream(OutputStream stream) {
super();
if (stream == null) {
throw new IllegalArgumentException("Stream may not be null");
}
flowThroughStream = stream;
}
public void closeFlowthroughStream() throws IOException {
flowThroughStream.flush();
flowThroughStream.close();
}
protected void postClose() throws IOException {
flowThroughStream.flush();
flowThroughStream.close();
}
public OutputStream getFlowThroughStream() {
return flowThroughStream;
}
@Override
protected void onWrite() throws IOException {
// does nothing
}
@Override
public void write(int b) throws IOException {
flowThroughStream.write(b);
super.write(b);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
flowThroughStream.write(b, off, len);
super.write(b, off, len);
}
@Override
public void write(byte[] b) throws IOException {
flowThroughStream.write(b);
super.write(b);
}
}