/**
 *
 * 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;

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

/**
 * 
 */
public final class CountingOutputStream extends OutputStream {
    
    private final OutputStream os;
    private int count=0;

    /**
     * @param os
     */
    public CountingOutputStream(OutputStream os) {
        this.os=os;
    }
    
    @Override
    public void close() throws IOException {
        os.close();
    }

    @Override
    public void flush() throws IOException {
        os.flush();
    }

    @Override
    public void write(byte[] b, int off, int len) throws IOException {
        count+=len;
        os.write(b, off, len);
    }

    @Override
    public void write(byte[] b) throws IOException {
        count+=b.length;
        os.write(b);
    }

    @Override
    public void write(int b) throws IOException {
        count++;
        os.write(b);
    }

    /**
     * @return Returns the count.
     */
    public int getCount() {
        return count;
    }

}