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1
18
19 package org.objectweb.jac.core;
20
21 import java.lang.reflect.AccessibleObject  ;
22 import java.lang.reflect.Constructor ;
23 import java.lang.reflect.Method ;
24 import java.util.Arrays ;
25 import org.aopalliance.intercept.ConstructorInvocation;
26 import org.aopalliance.intercept.Interceptor;
27 import org.aopalliance.intercept.Invocation;
28 import org.aopalliance.intercept.MethodInvocation;
29 import org.apache.log4j.Logger;
30 import org.objectweb.jac.core.rtti.AbstractMethodItem;
31 import org.objectweb.jac.core.rtti.ClassItem;
32 import org.objectweb.jac.core.rtti.ClassRepository;
33 import org.objectweb.jac.core.rtti.ConstructorItem;
34 import org.objectweb.jac.core.rtti.MethodItem;
35 import org.objectweb.jac.util.ExtArrays;
36 import org.objectweb.jac.util.Strings;
37
38
39 public class Interaction implements MethodInvocation, ConstructorInvocation {
40 static final Logger logger = Logger.getLogger("interaction");
41
42 public final Wrappee wrappee;
43 public final AbstractMethodItem method;
44 public final Object [] args;
45 public int rank;
46 public String cur_AC;
47 public Interceptor[] wrappingChain;
48
49 public Interaction(WrappingChain wrappingChain, Wrappee wrappee,
50 AbstractMethodItem method, Object [] args)
51 {
52 logger.debug("new Interaction(wrappee="+wrappee+", method="+method+Strings.hash(method)+
53 ", wrappingChain="+wrappingChain+
54 (wrappingChain!=null ? Strings.hash(wrappingChain) : "")+
55 ")");
56 this.wrappingChain =
57 wrappingChain==null ? ExtArrays.emptyInterceptorArray : wrappingChain.chain;
58 this.wrappee = wrappee;
59 this.method = method;
60 this.args = args;
61 this.rank = 0;
62 }
63
64 public final Object proceed() {
65 rank += 1;
66 return Wrapping.nextWrapper(this);
67 }
68
69 public final Object invoke(Object substance) {
70 return method.invoke(substance,args);
71 }
72
73 public final Class getActualClass() {
74 if (wrappee!=null)
75 return wrappee.getClass();
76 else
77 return method.getClassItem().getActualClass();
78 }
79
80 ClassItem cli;
81 public final ClassItem getClassItem() {
82 if (cli==null) {
83 if (wrappee!=null) {
84 cli = ClassRepository.get().getClass(wrappee);
85 } else {
86 cli = method.getClassItem();
87 }
88 }
89 return cli;
90 }
91
92 public String toString() {
93 return wrappee+"."+method+(args!=null?("("+Arrays.asList(args)+")"):"")+" rank="+rank;
94 }
95
96
97 public Constructor getConstructor() {
99 return ((ConstructorItem)method).getActualConstructor();
100 }
101
102
103 public Method getMethod() {
104 return ((MethodItem)method).getActualMethod();
105 }
106
107 public Object getArgument(int index) {
109 return args[index];
110 }
111
112 public void setArgument(int index, Object argument) {
113 args[index]=argument;
114 }
115
116 public int getArgumentCount() {
117 return args.length;
118 }
119
120 public Object [] getArguments() {
121 return args;
122 }
123
124 public Object getThis() {
125 return wrappee;
126 }
127
128 public AccessibleObject getStaticPart() {
129 if(method instanceof ConstructorItem) {
130 return getConstructor();
131 } else {
132 return getMethod();
133 }
134 }
135 }
136 |
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