/*******************************************************************************
 * ============LICENSE_START====================================================
 * * org.onap.aaf
 * * ===========================================================================
 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * * ===========================================================================
 * * Licensed 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.
 * * ============LICENSE_END====================================================
 * *
 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 * *
 ******************************************************************************/
package org.onap.aaf.inno.env.util;

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

public class DoubleOutputStream extends OutputStream {
    private OutputStream[] oss;
	private boolean[] close;

	/**
     * Create a Double Stream Writer
     * Some Streams should not be closed by this object (i.e. System.out), therefore, mark them with booleans
     */
    public DoubleOutputStream(OutputStream a, boolean closeA, OutputStream b, boolean closeB) {
		oss = new OutputStream[] {a,b};
		close = new boolean[] {closeA,closeB};
    }

    /**
     * Write a single character.
     * @throws IOException 
     */
    @Override
    public void write(int c) throws IOException {
    	for(OutputStream os : oss) {
    		os.write(c);
    	}
    }

    /**
     * Write a portion of an array of characters.
     *
     * @param  bbuf  Array of characters
     * @param  off   Offset from which to start writing characters
     * @param  len   Number of characters to write
     * @throws IOException 
     */
    @Override
    public void write(byte bbuf[], int off, int len) throws IOException {
    	for(OutputStream os : oss) {
    		os.write(bbuf,off,len);
    	}
    }

    @Override
	public void write(byte[] b) throws IOException {
    	for(OutputStream os : oss) {
    		os.write(b);
    	}
	}

	/* (non-Javadoc)
	 * @see java.io.OutputStream#close()
	 */
	@Override
	public void close() throws IOException {
		for(int i=0;i<oss.length;++i) {
			if(close[i]) {
				oss[i].close();
			}
    	}
	}

	/* (non-Javadoc)
	 * @see java.io.OutputStream#flush()
	 */
	@Override
	public void flush() throws IOException {
    	for(OutputStream os : oss) {
    		os.flush();
    	}
	}



}