/**
 *
 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 * 
 **/
package lucee.commons.io.auto;

import java.io.IOException;
import java.io.InputStream;

import lucee.commons.io.IOUtil;

/**
 * Close the Stream automaticlly when object will destroyed by the garbage
 */
public final class AutoCloseInputStream extends InputStream {
	
	private final InputStream is;

	/**
	 * constructor of the class
	 * @param is
	 */
	public AutoCloseInputStream(InputStream is) {
		this.is=is;
	}
	
	@Override
	public int read() throws IOException {
		return is.read();
	}

	@Override
	public int available() throws IOException {
		return is.available();
	}

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

	@Override
	public synchronized void mark(int readlimit) {
		is.mark(readlimit);
	}

	@Override
	public boolean markSupported() {
		return is.markSupported();
	}

	@Override
	public int read(byte[] b, int off, int len) throws IOException {
		return is.read(b, off, len);
	}

	@Override
	public int read(byte[] b) throws IOException {
		return is.read(b);
	}

	@Override
	public synchronized void reset() throws IOException {
		is.reset();
	}

	@Override
	public long skip(long n) throws IOException {
		return is.skip(n);
	}

	
	@Override
	public void finalize() throws Throwable {
		super.finalize();
		IOUtil.closeEL(is);
	}
}