不同类的接口设计模式是一种将不同类之间的接口进行设计和组织的方法,以便更好地实现代码的复用和可扩展性。下面给出几种常见的不同类的接口设计模式及其代码示例。
public interface MediaPlayer {
void play(String audioType, String fileName);
}
public interface AdvancedMediaPlayer {
void playVlc(String fileName);
void playMp4(String fileName);
}
public class VlcPlayer implements AdvancedMediaPlayer {
@Override
public void playVlc(String fileName) {
System.out.println("Playing vlc file. Name: " + fileName);
}
@Override
public void playMp4(String fileName) {
// do nothing
}
}
public class Mp4Player implements AdvancedMediaPlayer {
@Override
public void playVlc(String fileName) {
// do nothing
}
@Override
public void playMp4(String fileName) {
System.out.println("Playing mp4 file. Name: " + fileName);
}
}
public class MediaAdapter implements MediaPlayer {
private AdvancedMediaPlayer advancedMediaPlayer;
public MediaAdapter(String audioType) {
if (audioType.equalsIgnoreCase("vlc")) {
advancedMediaPlayer = new VlcPlayer();
} else if (audioType.equalsIgnoreCase("mp4")) {
advancedMediaPlayer = new Mp4Player();
}
}
@Override
public void play(String audioType, String fileName) {
if (audioType.equalsIgnoreCase("vlc")) {
advancedMediaPlayer.playVlc(fileName);
} else if (audioType.equalsIgnoreCase("mp4")) {
advancedMediaPlayer.playMp4(fileName);
}
}
}
public class AudioPlayer implements MediaPlayer {
private MediaAdapter mediaAdapter;
@Override
public void play(String audioType, String fileName) {
if (audioType.equalsIgnoreCase("mp3")) {
System.out.println("Playing mp3 file. Name: " + fileName);
} else if (audioType.equalsIgnoreCase("vlc") || audioType.equalsIgnoreCase("mp4")) {
mediaAdapter = new MediaAdapter(audioType);
mediaAdapter.play(audioType, fileName);
} else {
System.out.println("Invalid media. " + audioType + " format not supported");
}
}
}
public class Main {
public static void main(String[] args) {
AudioPlayer audioPlayer = new AudioPlayer();
audioPlayer.play("mp3", "beyond the horizon.mp3");
audioPlayer.play("mp4", "alone.mp4");
audioPlayer.play("vlc", "far far away.vlc");
audioPlayer.play("avi", "mind me.avi");
}
}
public interface DrawAPI {
void drawCircle(int radius, int x, int y);
}
public class RedCircle implements DrawAPI {
@Override
public void drawCircle(int radius, int x, int y) {
System.out.println("Drawing Circle[ color: red, radius: " + radius + ", x: " + x + ", y: " + y + "]");
}
}
public class GreenCircle implements DrawAPI {
@Override
public void drawCircle(int radius, int x, int y) {
System.out.println("Drawing Circle[ color: green, radius: " + radius + ", x: " + x + ", y: " + y + "]");
}
}
public abstract class Shape {
protected DrawAPI drawAPI;
protected Shape(DrawAPI drawAPI) {
this.drawAPI = drawAPI;
}
public abstract void draw();
}
public class Circle extends Shape {
private int x, y, radius;
public Circle(int x, int y, int radius, DrawAPI drawAPI) {
super(drawAPI);
this.x = x;
this.y = y;
this.radius = radius;
}
@Override
public void draw() {
drawAPI.drawCircle(radius, x, y);
}
}
public class Main {
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