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1 package com.thoughtworks.acceptance.objects;
2
3 import java.lang.reflect.InvocationHandler  ;
4 import java.lang.reflect.Method ;
5 import java.lang.reflect.Proxy ;
6
7 public class SampleDynamicProxy implements InvocationHandler {
8
9 private String aField = "hello";
10
11 public static interface InterfaceOne {
12 String doSomething();
13 }
14
15 public static interface InterfaceTwo {
16 String doSomething();
17 }
18
19 public static Object newInstance() {
20 return Proxy.newProxyInstance(InterfaceOne.class.getClassLoader(),
21 new Class []{InterfaceOne.class, InterfaceTwo.class},
22 new SampleDynamicProxy());
23 }
24
25 public Object invoke(Object proxy, Method method, Object [] args) throws Throwable {
26 if (method.getName().equals("equals")) {
27 return equals(args[0]) ? Boolean.TRUE : Boolean.FALSE;
28 } else {
29 return aField;
30 }
31 }
32
33 public boolean equals(Object obj) {
34 return equalsInterfaceOne(obj) && equalsInterfaceTwo(obj);
35 }
36
37 private boolean equalsInterfaceOne(Object o) {
38 if (o instanceof InterfaceOne) {
39 InterfaceOne interfaceOne = (InterfaceOne) o;
40 return aField.equals(interfaceOne.doSomething());
41 } else {
42 return false;
43 }
44 }
45
46 private boolean equalsInterfaceTwo(Object o) {
47 if (o instanceof InterfaceTwo) {
48 InterfaceTwo interfaceTwo = (InterfaceTwo) o;
49 return aField.equals(interfaceTwo.doSomething());
50 } else {
51 return false;
52 }
53 }
54
55 }
56 |
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