设计模式-对象创建型模式-原型—java大本营-java教程 java游戏 java电子书 j2me j2ee java源代码

package created;
/* @author hexiong
* 3rd object-created-type pattern, builder
*/
abstract class AbstractPrototype
{
public abstract AbstractPrototype cloneYourself();
}
class MyPrototype extends AbstractPrototype
{
public AbstractPrototype cloneYourself()
{
try {
System.out.println("Myprototype clone.");
return (AbstractPrototype)this.clone();
} catch (CloneNotSupportedException e) {
return null;
}
}
}
class YourPrototype extends AbstractPrototype
{
public AbstractPrototype cloneYourself()
{
try {
System.out.println("Yourprototype clone.");
return (AbstractPrototype)this.clone();
} catch (CloneNotSupportedException e) {
return null;
}
}
}
class PrototypeSetting
{
private AbstractPrototype prototype_;
public void setPrototype(AbstractPrototype prototype)
{
prototype_ = prototype;
}
public void method1()
{
AbstractPrototype p = prototype_.cloneYourself();
// other operation on p.
}
}
public class PrototypeDemo
{
/**
* @param args
*/
public static void main(String[] args)
{
// TODO Auto-generated method stub
PrototypeSetting p = new PrototypeSetting();
p.setPrototype(new MyPrototype());
p.method1();
}
}