org.apache.myfaces.shared_impl.view.SwitchableOutputStream 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.myfaces.shared_impl.view;
import java.io.IOException;
import java.io.OutputStream;
import javax.servlet.ServletOutputStream;
/**
* Delegates the standard OutputStream-methods (close, flush, write)
* to the given ServletOutputStream, if the ResponseSwitch is enabled
*
* @author Werner Punz (latest modification by $Author: jakobk $)
* @author Jakob Korherr
* @version $Revision: 939021 $ $Date: 2010-04-28 12:38:25 -0500 (Wed, 28 Apr 2010) $
*/
class SwitchableOutputStream extends ServletOutputStream
{
OutputStream _delegate = null;
ResponseSwitch _responseSwitch = null;
public SwitchableOutputStream(ServletOutputStream delegate, ResponseSwitch responseSwitch)
{
_delegate = delegate;
_responseSwitch = responseSwitch;
}
@Override
public void close() throws IOException
{
if (_responseSwitch.isEnabled())
{
_delegate.close();
}
}
@Override
public void flush() throws IOException
{
if (_responseSwitch.isEnabled())
{
_delegate.flush();
}
}
@Override
public void write(byte[] b, int off, int len) throws IOException
{
if (_responseSwitch.isEnabled())
{
_delegate.write(b, off, len);
}
}
@Override
public void write(byte[] b) throws IOException
{
if (_responseSwitch.isEnabled())
{
_delegate.write(b);
}
}
@Override
public void write(int b) throws IOException
{
if (_responseSwitch.isEnabled())
{
_delegate.write(b);
}
}
}