audioplayerstate.java

来自「Java与模式 源代码」· Java 代码 · 共 28 行

package com.javapatterns.state.audioplayer;

public abstract class AudioPlayerState
{
    protected static AudioPlayerState initialState;
    protected static AudioPlayerState playState;
    protected static AudioPlayerState stopState;

    static
    {
        playState = new PlayState();
        stopState = new StopState();
    }

    protected AudioPlayer player = null;

    public AudioPlayerState() { }

    public AudioPlayerState(AudioPlayer aPlayer)
    {
        player = aPlayer;
    }

    public void playButton() { }

    public void stopButton() { }
}