xwork依賴注入樣本

 package xworktest;
/**
 * @author wangmingjie
 * @date 2008-9-13上午11:13:38
 */
public interface IPerson {
 public void say();
}

 

====================================

 

package xworktest;
/**
 * @author wangmingjie
 * @date 2008-9-13上午11:14:33
 */
public class Person implements IPerson {

 public void say() {
  System.out.println("這是：person");
 }

}

====================================

 

package xworktest;
/**
 * @author wangmingjie
 * @date 2008-9-13上午11:14:00
 */
public interface IPersonService {
 public void say();
}

====================================

package xworktest;

import com.opensymphony.xwork2.inject.Inject;

/**
 * @author wangmingjie
 * @date 2008-9-13上午11:15:25
 */
public class PersonService implements IPersonService {
 private IPerson person;
 
 public IPerson getPerson() {
  return person;
 }
 
 /**
  * 這個注釋就是說明需要依賴注入
  * @param person
  */
 @Inject
 public void setPerson(IPerson person) {
  this.person = person;
 }

 public void say() {
  System.out.println("userperson");
  person.say();
 }

}
====================================

package xworktest;

import com.opensymphony.xwork2.inject.Container;
import com.opensymphony.xwork2.inject.ContainerBuilder;

/**
 * 測試xwork的inject註解的使用。瞭解xwork的Container容器。
 * 在xwork中的container使用了動態代理技術。
 * @author wangmingjie
 * @date 2008-9-13上午11:17:35
 */
public class ContainerTest {
 private Container container;

 public static void main(String[] args) {
  ContainerTest test = new ContainerTest();
  ContainerBuilder cb = new ContainerBuilder();
  cb=cb.factory(IPerson.class,Person.class);
  cb=cb.factory(IPersonService.class,PersonService.class);
  test.setContainer(cb.create(true));  
//      注釋掉的代碼也是正確的  
//  test.setContainer(new ContainerBuilder().factory(IPerson.class,
//    Person.class).factory(IPersonService.class, PersonService.class)
//    .create(true));

  Container container = test.getContainer();
  
  IPersonService person = container.getInstance(IPersonService.class);
  person.say();

 }

 public Container getContainer() {
  return container;
 }

 public void setContainer(Container container) {
  this.container = container;
 }
}