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1
22 package org.jboss.aop.pointcut;
23
24 import java.io.StringReader  ;
25
26 import javassist.CtClass;
27 import javassist.NotFoundException;
28 import javassist.expr.MethodCall;
29 import javassist.expr.NewExpr;
30
31 import org.jboss.aop.Advisor;
32 import org.jboss.aop.pointcut.ast.ASTStart;
33 import org.jboss.aop.pointcut.ast.ParseException;
34 import org.jboss.aop.pointcut.ast.PointcutExpressionParser;
35 import org.jboss.aop.pointcut.ast.TypeExpressionParser;
36
37
42 public class DeclareDef
43 {
44 String name;
45 String expr;
46 boolean warning;
47 String msg;
48 ASTStart ast;
49 boolean pointcut;
50
51 public DeclareDef(String name, String expr, boolean warning, String msg) throws ParseException
52 {
53 this.name = name;
54 this.expr = expr;
55 this.warning = warning;
56 this.msg = msg;
57
58 try
59 {
60 ast = new PointcutExpressionParser(new StringReader (expr)).Start();
61 pointcut = true;
62 }
63 catch (ParseException pe)
64 {
65 try
66 {
67 ast = new TypeExpressionParser(new StringReader (expr)).Start();
68 }
69 catch (ParseException te)
70 {
71 StringBuffer sb = new StringBuffer ("The expression '" +
72 expr + "' resolves to neither a pointcut nor a type expression");
73 sb.append("\n\nPointcut parse error:\n");
74 sb.append(pe.getMessage());
75 sb.append("\n\nType expression parse error:\n");
76 sb.append(te.getMessage());
77 throw new ParseException(sb.toString());
78 }
79 }
80 }
81
82
83 public ASTStart getAst()
84 {
85 return ast;
86 }
87
88 public String getExpr()
89 {
90 return expr;
91 }
92
93 public String getName()
94 {
95 return name;
96 }
97
98 public boolean getWarning()
99 {
100 return warning;
101 }
102
103 public String getMsg()
104 {
105 return msg;
106 }
107
108
111 public boolean isPointcut()
112 {
113 return pointcut;
114 }
115
116 public boolean matches(Advisor advisor, CtClass clazz)
117 {
118 if (pointcut)return false;
119 DeclareTypeMatcher matcher = new DeclareTypeMatcher(advisor, clazz);
120 return ((Boolean ) ast.jjtAccept(matcher, null)).booleanValue();
121 }
122
123 public boolean matches(Advisor advisor, Class clazz)
124 {
125 if (pointcut)return false;
126 DeclareTypeMatcher matcher = new DeclareTypeMatcher(advisor, clazz);
127 return ((Boolean ) ast.jjtAccept(matcher, null)).booleanValue();
128 }
129
130 public boolean matchesCall(Advisor callingAdvisor, MethodCall methodCall) throws NotFoundException
131 {
132 if (!pointcut)return false;
133 MethodCallMatcher matcher = new MethodCallMatcher(callingAdvisor, methodCall, ast);
134 return matcher.matches();
135 }
136
137 public boolean matchesCall(Advisor callingAdvisor, NewExpr methodCall) throws NotFoundException
138 {
139 if (!pointcut)return false;
140 NewExprMatcher matcher = new NewExprMatcher(callingAdvisor, methodCall, ast);
141 return matcher.matches();
142 }
143
144
145 }
146 |
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