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Multipurpose library for handling commnad line interface arguments.

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package com.antiaction.common.cli;

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

/**
 * This class wraps a RandomAccessFile into a usable
 * OutputStream which supports random re-position.
 * Re-positioning is done by using seek() on the RandomAccessFile
 * object. (@see RandomAccessFile#seek())
 *
 * @author nicl
 */
public class RandomAccessFileOutputStream extends OutputStream {

    /** Encapsulated RandomAccessFile used for stream data. */
    protected RandomAccessFile raf;

    /**
     * Create a new random access OutputStream with repositioning
     * capabilities.
     * @param raf RandomAccessFile used for stream data
     */
    public RandomAccessFileOutputStream(RandomAccessFile raf) {
        this.raf = raf;
    }

    /**
     * Closing this stream has no effect.
     * @throws IOException if an i/o error occurs while closing stream
     */
    @Override
    public void close() throws IOException {
        raf = null;
    }

    /**
     * Flushing this stream has no effect.
     * @throws IOException if an i/o error occurs while flushing stream
     */
    @Override
    public void flush() throws IOException {
    }

    @Override
    public void write(int b) throws IOException {
        raf.write(b);
    }

    @Override
    public void write(byte[] b) throws IOException {
        raf.write(b);
    }

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

}