/*
 * $Id$
 * This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc
 *
 * Copyright (c) 2000-2012 Stephane GALLAND.
 * Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports,
 *                        Universite de Technologie de Belfort-Montbeliard.
 * Copyright (c) 2013-2016 The original authors, and other authors.
 *
 * 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.
 */

package org.arakhne.afc.inputoutput.stream;

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

/** An output stream that is ignoring all request to {@link #close()}.
 *
 * @author $Author: sgalland$
 * @version $FullVersion$
 * @mavengroupid $GroupId$
 * @mavenartifactid $ArtifactId$
 */
public class UnclosableOutputStream extends FilterOutputStream {

	/** Construct.
	 * @param out output stream.
	 * @throws IOException on error.
	 */
	public UnclosableOutputStream(OutputStream out) throws IOException {
		super(out);
	}

	/**
	 * Do not close but still flush the filtered stream.
	 */
	@Override
	public void close() throws IOException {
		try {
			flush();
		} catch (IOException exception) {
			//
		}
	}

	/** Call directly the function {@link OutputStream#write(byte[], int, int)} on the filtered stream.
	 */
	@Override
	public void write(byte[] buffer, int offset, int len) throws IOException {
		this.out.write(buffer, offset, len);
	}

	/** Call directly the function {@link OutputStream#write(byte[])} on the filtered stream.
	 */
	@Override
	public void write(byte[] buffer) throws IOException {
		this.out.write(buffer);
	}

}