oozinozfilter.java

来自「本书透彻讲解了经典的《设计模式：可复用面向对象软件的基础》一书涵盖的23种基本设」· Java 代码 · 共 64 行

package com.oozinoz.io;

import java.io.*;

/*
 * Copyright (c) 2001 Steven J. Metsker.
 * 
 * Steve Metsker makes no representations or warranties about
 * the fitness of this software for any particular purpose, 
 * including the implied warranty of merchantability.
 *
 * Please use this software as you wish with the sole
 * restriction that you may not claim that you wrote it.
 */
/**
 * This class channels all versions of the write() method to
 * go through the write() method that takes a single 
 * character.
 * 
 * @author Steven J. Metsker
 */
public abstract class OozinozFilter extends FilterWriter 
{
protected OozinozFilter(Writer out)
{
	super(out);
}
/**
 * Write a portion of an array of characters.
 *
 * @param cbuf Buffer of characters to be written
 * @param  off Offset from which to start reading characters
 * @param  len Number of characters to be written
 *
 * @throws IOException if an I/O error occurs
 */
public void write(char cbuf[], int off, int len)
	throws IOException {
	for (int i = 0; i < len; i++)
	{
		write(cbuf[off + i]);
	}
}
/**
 * Write a single character.
 *
 * @throws IOException if an I/O error occurs
 */
public abstract void write(int c) throws IOException;
/**
 * Write a portion of a string.
 *
 * @param str String to be written
 * @param off Offset from which to start reading characters
 * @param len Number of characters to be written
 *
 * @throws IOException if an I/O error occurs
 */
public void write(String s, int off, int len)
throws IOException 
{
	write(s.toCharArray(), off, len);
}
}