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/***************************************************************************
* Copyright (c) 2004 - 2008 Eike Stepper, Germany.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.net4j.util.io;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* @author Eike Stepper
*/
public abstract class DelegatingStreamWrapper implements IStreamWrapper
{
private IStreamWrapper delegate;
public DelegatingStreamWrapper(IStreamWrapper delegate)
{
this.delegate = delegate;
}
public IStreamWrapper getDelegate()
{
return delegate;
}
public InputStream wrapInputStream(InputStream in) throws IOException
{
return doWrapInputStream(delegate.wrapInputStream(in));
}
public OutputStream wrapOutputStream(OutputStream out) throws IOException
{
return doWrapOutputStream(delegate.wrapOutputStream(out));
}
public void finishInputStream(InputStream in) throws IOException
{
delegate.finishInputStream(in);
doFinishInputStream(in);
}
public void finishOutputStream(OutputStream out) throws IOException
{
delegate.finishOutputStream(out);
doFinishOutputStream(out);
}
protected abstract InputStream doWrapInputStream(InputStream in) throws IOException;
protected abstract OutputStream doWrapOutputStream(OutputStream out) throws IOException;
protected abstract void doFinishInputStream(InputStream in) throws IOException;
protected abstract void doFinishOutputStream(OutputStream out) throws IOException;
}
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