streamwriter.java

已经移植好的java虚拟机

/*
 *  Copyright (c) 1999-2001 Sun Microsystems, Inc., 901 San Antonio Road,
 *  Palo Alto, CA 94303, U.S.A.  All Rights Reserved.
 *
 *  Sun Microsystems, Inc. has intellectual property rights relating
 *  to the technology embodied in this software.  In particular, and
 *  without limitation, these intellectual property rights may include
 *  one or more U.S. patents, foreign patents, or pending
 *  applications.  Sun, Sun Microsystems, the Sun logo, Java, KJava,
 *  and all Sun-based and Java-based marks are trademarks or
 *  registered trademarks of Sun Microsystems, Inc.  in the United
 *  States and other countries.
 *
 *  This software is distributed under licenses restricting its use,
 *  copying, distribution, and decompilation.  No part of this
 *  software may be reproduced in any form by any means without prior
 *  written authorization of Sun and its licensors, if any.
 *
 *  FEDERAL ACQUISITIONS:  Commercial Software -- Government Users
 *  Subject to Standard License Terms and Conditions
 */

package com.sun.cldc.i18n;

import java.io.*;

/**
 * General prototype for character converting stream writers.
 *
 * @author  Nik Shaylor
 * @version 1.0 11/16/99
 */
public abstract class StreamWriter extends Writer {

    /** Output stream to write to */
    public OutputStream out;

    /**
     * Open the writer
     */
    public Writer open(OutputStream out, String enc)
        throws UnsupportedEncodingException {

        this.out = out;
        return this;
    }

    /**
     * Flush the writer and the output stream.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public void flush() throws IOException {
        out.flush();   
    }

    /**
     * Close the writer and the output stream.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public void close() throws IOException {
        out.close();      
    }

    /**
     * Get the size in bytes of an array of chars
     */
    public abstract int sizeOf(char[] array, int offset, int length);

}