原型模式测试类

src/taoshop-portal/src/test/java/com/muses/taoshop/Attachment.java

 package com.muses.taoshop;
+import java.io.*;
 
-public class Attachment
+public class Attachment implements Serializable
 {
     public void download()
     {
-    	System.out.println("下载附件");	
+        System.out.println("下载附件");
     }
 }
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src/taoshop-portal/src/test/java/com/muses/taoshop/Client.java

 package com.muses.taoshop;
-
 public class Client
 {
 	public static void main(String a[])
 	{
-		Email email,copyEmail;
-		
+		Email email,copyEmail=null;
+
 		email=new Email();
-		
-		copyEmail=(Email)email.clone();
-		
+
+		try{
+			copyEmail=(Email)email.deepClone();
+		}
+		catch(Exception e)
+		{
+			e.printStackTrace();
+		}
+
+
 		System.out.println("email==copyEmail?");
 		System.out.println(email==copyEmail);
-		
-		System.out.println("email.getAttachment==copyEmail.getAttachment?"); 
-		System.out.println(email.getAttachment()==copyEmail.getAttachment());			
+
+		System.out.println("email.getAttachment==copyEmail.getAttachment?");
+		System.out.println(email.getAttachment()==copyEmail.getAttachment());
 	}
 }
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src/taoshop-portal/src/test/java/com/muses/taoshop/Email.java

 package com.muses.taoshop;
+import java.io.*;
 
-public class Email implements Cloneable
+public class Email implements Serializable
 {
 	private Attachment attachment=null;
-	
+
 	public Email()
 	{
 		this.attachment=new Attachment();
 	}
-	
-	public Object clone()
+
+	public Object deepClone() throws IOException, ClassNotFoundException, OptionalDataException
 	{
-		Email clone=null;
-		try
-		{
-			clone=(Email)super.clone();		
-		}
-        catch(CloneNotSupportedException e)
-        {
-        	System.out.println("Clone failure!");
-        }
-		return clone;
+		//将对象写入流中
+		ByteArrayOutputStream bao=new ByteArrayOutputStream();
+		ObjectOutputStream oos=new ObjectOutputStream(bao);
+		oos.writeObject(this);
+
+		//将对象从流中取出
+		ByteArrayInputStream bis=new ByteArrayInputStream(bao.toByteArray());
+		ObjectInputStream ois=new ObjectInputStream(bis);
+		return(ois.readObject());
 	}
-	
+
 	public Attachment getAttachment()
 	{
 		return this.attachment;
 	}
-	
+
 	public void display()
 	{
-		System.out.println("查看邮件");	
+		System.out.println("查看邮件");
 	}
-	
+
 }
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