|
1
22 package org.jboss.aop.pointcut;
23
24 import javassist.CtBehavior;
25 import javassist.CtConstructor;
26 import javassist.CtMethod;
27 import javassist.NotFoundException;
28 import org.jboss.aop.Advisor;
29 import org.jboss.aop.pointcut.ast.ASTConstructor;
30 import org.jboss.aop.pointcut.ast.ASTMethod;
31 import org.jboss.aop.pointcut.ast.ASTStart;
32 import org.jboss.aop.pointcut.ast.ASTWithin;
33 import org.jboss.aop.pointcut.ast.ASTWithincode;
34
35 import java.lang.reflect.AccessibleObject  ;
36 import java.lang.reflect.Constructor ;
37 import java.lang.reflect.Method ;
38
39
45 public class WithinMatcher extends MatcherHelper
46 {
47 CtBehavior behavior;
48 Advisor advisor;
49 AccessibleObject accessible;
50
51 public WithinMatcher(Advisor advisor, CtBehavior behavior, ASTStart start) throws NotFoundException
52 {
53 super(start, advisor.getManager());
54 this.advisor = advisor;
55 this.behavior = behavior;
56 }
57
58 public WithinMatcher(Advisor advisor, AccessibleObject behavior, ASTStart start)
59 {
60 super(start, advisor.getManager());
61 this.advisor = advisor;
62 this.accessible = behavior;
63 }
64
65 protected Boolean resolvePointcut(Pointcut p)
66 {
67 throw new RuntimeException ("NOT REACHABLE");
68 }
69
70 public Class getDeclaringClass()
71 {
72 if (accessible instanceof Constructor)
73 return ((Constructor) accessible).getDeclaringClass();
74 else if (accessible instanceof Method) return ((Method) accessible).getDeclaringClass();
75 return null;
76 }
77
78 public Object visit(ASTWithin node, Object data)
79 {
80 if (behavior != null)
81 {
82 if (!Util.matchesClassExpr(node.getClazz(), behavior.getDeclaringClass(), advisor)) return Boolean.FALSE;
83 }
84 else
85 {
86 if (!Util.matchesClassExpr(node.getClazz(), getDeclaringClass(), advisor)) return Boolean.FALSE;
87 }
88 return Boolean.TRUE;
89 }
90
91 public Object visit(ASTWithincode node, Object data)
92 {
93 return node.jjtGetChild(0).jjtAccept(this, null);
94 }
95
96 public Object visit(ASTMethod node, Object data)
97 {
98 if (behavior != null)
99 {
100 if (behavior instanceof CtConstructor) return Boolean.FALSE;
101 MethodMatcher matcher = new MethodMatcher(advisor, (CtMethod) behavior, null);
102 return matcher.matches(node);
103 }
104 if (accessible instanceof Constructor) return Boolean.FALSE;
105 MethodMatcher matcher = new MethodMatcher(advisor, (Method) accessible, null);
106 return matcher.matches(node);
107
108 }
109
110 public Object visit(ASTConstructor node, Object data)
111 {
112 if (behavior != null)
113 {
114 try
115 {
116 if (behavior instanceof CtMethod) return Boolean.FALSE;
117 ConstructorMatcher matcher = new ConstructorMatcher(advisor, (CtConstructor) behavior, null);
118 return matcher.matches(node);
119 }
120 catch (NotFoundException e)
121 {
122 throw new RuntimeException (e); }
124 }
125 if (accessible instanceof Method) return Boolean.FALSE;
126 ConstructorMatcher matcher = new ConstructorMatcher(advisor, (Constructor) accessible, null);
127 return matcher.matches(node);
128
129 }
130
131 }
132 |
Popular Tags |
Java API By Example, From Geeks To Geeks.