countedoutputstream.java

Java Bytecode Editor 是一个 JAVA 的字节码反汇编和修改器。它可以很方便的修改已经编译成 Class 文件的 JAVA 文件。

/*
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the license, or (at your option) any later version.
*/

package org.gjt.jclasslib.io;

import java.io.*;

/**
 * <tt>OutputStream</tt> which counts the number of bytes written.
 *
 * @author <a href="mailto:[e-mail]">Ingo Kegel</a>
 * @version $Revision: 1.1 $ $Date: 2005/11/01 13:18:23 $
 */
public class CountedOutputStream extends FilterOutputStream {

    private int bytesWritten = 0;

    /**
     * Constructor.
     *
     * @param out the output stream.
     */
    public CountedOutputStream(OutputStream out) {
        super(out);
    }

    public void write(int b) throws IOException {
        out.write(b);
        bytesWritten++;
    }

    /**
     * Get the number of bytes written.
     *
     * @return the number of bytes
     */
    public int getBytesWritten() {
        return bytesWritten;
    }
}