julia.java

Java与模式 源代码

package com.javapatterns.command.audioplayer2;

/** This is the Client role */
public class Julia
{

    private static Keypad keypad;
    private static AudioPlayer myAudio = new AudioPlayer();

    public static void main(String[] args)
    {
        test2();
    }

    private static void test1()
    {
        Command play = new PlayCommand(myAudio);
        Command stop = new StopCommand(myAudio);
        Command rewind = new RewindCommand(myAudio);

        keypad = new Keypad(play, stop, rewind);

        keypad.play();
        keypad.stop();
        keypad.rewind();

        keypad.stop();
        keypad.play();
        keypad.stop();
    }

    public static void test2()
    {
        Command play = new PlayCommand(myAudio);
        Command stop = new StopCommand(myAudio);
        Command rewind = new RewindCommand(myAudio);

        MacroCommand macro = new MacroAudioCommand();
        macro.add(play);
        macro.add(stop);
        macro.add(rewind);
        macro.add(stop);
        macro.add(play);
        macro.add(stop);

        macro.execute();

    }
}