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1
22 package org.jboss.aop.instrument;
23
24 import java.util.Iterator  ;
25
26 import javassist.CtBehavior;
27 import javassist.CtClass;
28 import javassist.CtConstructor;
29 import javassist.CtMethod;
30 import javassist.NotFoundException;
31 import javassist.expr.MethodCall;
32 import javassist.expr.NewExpr;
33
34 import org.jboss.aop.AspectManager;
35 import org.jboss.aop.ClassAdvisor;
36 import org.jboss.aop.pointcut.DeclareDef;
37
38
43 public class DeclareChecker
44 {
45 public static void checkDeclares(AspectManager manager, CtClass clazz, ClassAdvisor advisor)
46 {
47 for (Iterator it = manager.getDeclares() ; it.hasNext() ; )
48 {
49 DeclareDef declare = (DeclareDef)it.next();
50 if (declare.matches(advisor, clazz))
51 {
52 StringBuffer sb = new StringBuffer (" condition\n\t'" + declare.getExpr() + "'\nwas broken for class " +
53 clazz.getName() + "\n\t" + declare.getMsg() + "\n");
54
55 if (declare.getWarning())
56 {
57 sb.insert(0, "WARNING: declare-warning");
58 System.out.println(sb.toString());
59 }
60 else
61 {
62 sb.insert(0, "ERROR: declare-error");
63 throw new RuntimeException (sb.toString());
64 }
65 }
66 }
67 }
68
69 public static void checkDeclares(AspectManager manager, NewExpr call, ClassAdvisor advisor) throws NotFoundException
70 {
71 checkDeclares(manager, call, null, advisor);
72 }
73
74 public static void checkDeclares(AspectManager manager, MethodCall call, ClassAdvisor advisor) throws NotFoundException
75 {
76 checkDeclares(manager, null, call, advisor);
77 }
78
79 private static void checkDeclares(AspectManager manager, NewExpr newcall, MethodCall mcall, ClassAdvisor advisor) throws NotFoundException
80 {
81 for (Iterator it = manager.getDeclares() ; it.hasNext() ; )
82 {
83 DeclareDef declare = (DeclareDef)it.next();
84
85 StringBuffer sb = new StringBuffer (" condition\n\t'" + declare.getExpr() + "'\nwas broken for ");
86
87 if ((newcall != null && declare.matchesCall(advisor, newcall) || (mcall != null && declare.matchesCall(advisor, mcall))))
88 {
89 if (mcall != null)
90 {
91 sb.append("method call:");
92 CtBehavior caller = mcall.where();
93 if (caller instanceof CtConstructor)
94 {
95 CtConstructor con = (CtConstructor)caller;
96 addConstructor(sb, con);
97 sb.append(" calls ");
98 addMethod(sb, mcall.getMethod());
99 }
100 else if (caller instanceof CtMethod)
101 {
102 CtMethod met = (CtMethod)caller;
103 addMethod(sb, met);
104 sb.append(" calls ");
105 addMethod(sb, mcall.getMethod());
106 }
107 }
108 else if (newcall != null)
109 {
110 sb.append("constructor call: ");
111 CtBehavior caller = newcall.where();
112 if (caller instanceof CtConstructor)
113 {
114 CtConstructor con = (CtConstructor)caller;
115 addConstructor(sb, con);
116 sb.append(" calls ");
117 addConstructor(sb, newcall.getConstructor());
118 }
119 else if (caller instanceof CtMethod)
120 {
121 CtMethod met = (CtMethod)caller;
122 addMethod(sb, met);
123 sb.append(" calls ");
124 addConstructor(sb, newcall.getConstructor());
125 }
126 }
127
128 sb.append("\n\t" + declare.getMsg() + "\n");
129
130 if (declare.getWarning())
131 {
132 sb.insert(0, "WARNING: declare-warning");
133 System.out.println(sb.toString());
134 }
135 else
136 {
137 sb.insert(0, "ERROR: declare-error");
138 throw new RuntimeException (sb.toString());
139 }
140 }
141 }
142 }
143
144 private static void addMethod(StringBuffer sb, CtMethod method)
145 {
146 sb.append(method.getDeclaringClass().getName() + "." + method.getName() + method.getSignature());
147 }
148
149 private static void addConstructor(StringBuffer sb, CtConstructor con)
150 {
151 sb.append(con.getDeclaringClass().getName() + ".new" + con.getSignature());
152 }
153
154 }
155 |
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