showfilters2.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 52 行

package com.oozinoz.applications;

import java.io.*;

import com.oozinoz.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.
 */
/**
 * Show filters that wrap text at 15 characters, center the 
 * text, set the text to random casing, and direct the output
 * to System.out
 * 
 * @author Steven J. Metsker
 */
public class ShowFilters2 
{
/**
 * Show filters that wrap text at 15 characters, center the 
 * text, set the text to random casing, and direct the output
 * to System.out
 */
public static void main(String args[])
	throws IOException {
	// 
	BufferedReader in =
		new BufferedReader(new FileReader(args[0]));
	Writer out = new PrintWriter(System.out);
	out = new WrapFilter(new BufferedWriter(out), 15);
	((WrapFilter) out).setCenter(true);
	out = new RandomCaseFilter(out);
	while (true)
	{
		String s = in.readLine();
		if (s == null)
		{
			break;
		}
		out.write(s + "\n");
	}
	out.close();
	in.close();
}
}