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1 package dynaop.util;
2
3 import java.io.IOException  ;
4 import java.io.Serializable ;
5 import java.lang.reflect.Method ;
6 import java.util.HashMap ;
7 import java.util.Iterator ;
8 import java.util.Map ;
9
10
15 public class MethodHandle implements Serializable {
16
17 static long serialVersionUID = 0;
18
19 Class declaringClass;
20 String name;
21 Class [] parameterTypes;
22
23 public MethodHandle(Method method) {
24 this.declaringClass = method.getDeclaringClass();
25 this.name = method.getName();
26 this.parameterTypes = method.getParameterTypes();
27 }
28
29 public Method getMethod() throws NoSuchMethodException {
30 return declaringClass.getDeclaredMethod(this.name,
31 this.parameterTypes);
32 }
33
34 public static Map handleMethodKeys(Map map) {
35 Map handled = new HashMap ();
36 for (Iterator i = map.entrySet().iterator(); i.hasNext();) {
37 Map.Entry entry = (Map.Entry ) i.next();
38 handled.put(
39 new MethodHandle((Method ) entry.getKey()),
40 entry.getValue()
41 );
42 }
43 return handled;
44 }
45
46 public static Map unhandleMethodKeys(Map map) throws IOException {
47 try {
48 Map unhandled = new HashMap ();
49 for (Iterator i = map.entrySet().iterator(); i.hasNext();) {
50 Map.Entry entry = (Map.Entry ) i.next();
51 unhandled.put(
52 ((MethodHandle) entry.getKey()).getMethod(),
53 entry.getValue()
54 );
55 }
56 return unhandled;
57 }
58 catch (NoSuchMethodException e) {
59 throw NestedException.wrap(e);
60 }
61 }
62 }
63 |
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