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/*
 * de.unkrig.commons - A general-purpose Java class library
 *
 * Copyright (c) 2012, Arno Unkrig
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
 *       following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
 *       following disclaimer in the documentation and/or other materials provided with the distribution.
 *    3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
 *       products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package de.unkrig.commons.io;

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

import de.unkrig.commons.nullanalysis.NotNullByDefault;

/**
 * An {@link OutputStream} which writes the data written to it to two delegate {@link OutputStream}s.
 *
 * @deprecated Prefer delegation over inheritance and use {@link OutputStreams#tee(OutputStream...)} instead.
 */
@Deprecated @NotNullByDefault(false) public
class TeeOutputStream extends OutputStream {
    private final OutputStream left, right;

    public
    TeeOutputStream(OutputStream left, OutputStream right) {
        this.left  = left;
        this.right = right;
    }

    @Override public void
    close() throws IOException {
        try {
            this.left.close();
        } finally {
            this.right.close();
        }
    }

    @Override public void
    flush() throws IOException {
        this.left.flush();
        this.right.flush();
    }

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

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

    @Override public void
    write(int b) throws IOException {
        this.left.write(b);
        this.right.write(b);
    }
}