package com.bluemsun.classadapter;

public class Person {
  private int id;
  private String name;
  /**
   * person可以現(xiàn)在只能說(shuō)英語(yǔ)
   */
  public void sayEnglish(){
    System.out.println("Person can say english!");
  }
  
  /**
   * 省略setter,getter.
   */
}

package com.bluemsun.classadapter;

/**
 * 目標(biāo)要求person可以說(shuō)英語(yǔ),法語(yǔ),日語(yǔ).但是現(xiàn)在的person僅僅可以說(shuō)英語(yǔ)
 * @author Administrator
 *
 */
public interface Target_Person {
  void sayEnglish();
  void sayFrench();
  void sayJapanese();
}

package com.bluemsun.classadapter;

/**
 * 類適配器,因?yàn)槔^承了Person,而Java中只能單繼承,所以這個(gè)適配器只為person這一個(gè)類服務(wù)
 * 這個(gè)適配器就讓person類在不修改源碼的基礎(chǔ)上能實(shí)現(xiàn)目標(biāo)接口所指定的方法
 * @author Administrator
 *
 */
public class Adapter_Person extends Person implements Target_Person{

  @Override
  public void sayFrench() {
    System.out.println("Person can say French!");
  }

  @Override
  public void sayJapanese() {
    System.out.println("Person can say Japanese!");
  }
}

package com.bluemsun.classadapter;

public class Test {
  public static void main(String[] args) {
    Target_Person person = new Adapter_Person();
    
    person.sayEnglish();
    person.sayFrench();
    person.sayJapanese();
  }
}

package com.bluemsun.objectdapter;

import com.bluemsun.classadapter.Person;
import com.bluemsun.classadapter.Target_Person;

/**
 * 對(duì)象適配器,與類適配器不同的是:對(duì)象適配器可以適配多個(gè)源到目標(biāo)
 * @author Administrator
 *
 */
public class Adapter_Person implements Target_Person{  //僅僅實(shí)現(xiàn)目標(biāo)接口
  private Person person;
  
  //在構(gòu)造函數(shù)中將Adaptee類Person傳遞進(jìn)來(lái)
  public Adapter_Person(Person person){
    this.person = person;
  }

  //實(shí)現(xiàn)目標(biāo)接口中的sayEnglish()--調(diào)用Adaptee中的sayEnglish()
  @Override
  public void sayEnglish() {
    this.person.sayEnglish();
  }

  //實(shí)現(xiàn)接口中的其它方法
  @Override
  public void sayFrench() {
    System.out.println("person can say French!");
  }

  @Override
  public void sayJapanese() {
    System.out.println("person can say Japanese!");
  }
}

package com.bluemsun.objectdapter;

import com.bluemsun.classadapter.Person;
import com.bluemsun.classadapter.Target_Person;

public class Test {
  public static void main(String[] args) {
    Target_Person person = new Adapter_Person(new Person());
    
    person.sayEnglish();
    person.sayFrench();
    person.sayJapanese();
  }
}