MultiplexOutputStream.java

package arcane.util;

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

/**
 * An OutputStream that writes to multiple other OutputStreams.
 *
 * @author Forge
 * @version $Id: MultiplexOutputStream.java 10038 2011-06-25 08:29:06Z jendave.hudson@gmail.com $
 */
public class MultiplexOutputStream extends OutputStream {
    private final OutputStream[] streams;

    /**
     * <p>Constructor for MultiplexOutputStream.</p>
     *
     * @param streams a {@link java.io.OutputStream} object.
     */
    public MultiplexOutputStream(OutputStream... streams) {
        super();
        if (streams == null) throw new IllegalArgumentException("streams cannot be null.");
        this.streams = streams;
    }

    /** {@inheritDoc} */
    public void write(int b) throws IOException {
        for (int i = 0; i < streams.length; i++)
            streams[i].write(b);
    }

    /** {@inheritDoc} */
    public void write(byte[] b, int off, int len) throws IOException {
        for (int i = 0; i < streams.length; i++)
            streams[i].write(b, off, len);
    }
}