/*******************************************************************************
 *
 * Copyright (c) 2004-2009 Oracle Corporation.
 *
 * 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:
 * 
 *    Kohsuke Kawaguchi
 *
 *
 *******************************************************************************/ 

package hudson.util;

import java.io.FilterOutputStream;
import java.io.OutputStream;
import java.io.IOException;

/**
 * Works like {@link FilterOutputStream} except its performance problem.
 *
 * @author Kohsuke Kawaguchi
 */
public abstract class DelegatingOutputStream extends OutputStream {

    protected OutputStream out;

    protected DelegatingOutputStream(OutputStream out) {
        if (out == null) {
            throw new IllegalArgumentException("null stream");
        }
        this.out = out;
    }

    public void write(int b) throws IOException {
        out.write(b);
    }

    @Override
    public void write(byte[] b) throws IOException {
        out.write(b);
    }

    @Override
    public void write(byte[] b, int off, int len) throws IOException {
        out.write(b, off, len);
    }

    @Override
    public void flush() throws IOException {
        out.flush();
    }

    @Override
    public void close() throws IOException {
        out.close();
    }
}