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1
22 package org.jboss.aop.pointcut;
23
24 import javassist.CtClass;
25 import org.jboss.aop.Advisor;
26 import org.jboss.aop.pointcut.ast.ASTAllParameter;
27 import org.jboss.aop.pointcut.ast.ASTAnd;
28 import org.jboss.aop.pointcut.ast.ASTAttribute;
29 import org.jboss.aop.pointcut.ast.ASTBoolean;
30 import org.jboss.aop.pointcut.ast.ASTClass;
31 import org.jboss.aop.pointcut.ast.ASTComposite;
32 import org.jboss.aop.pointcut.ast.ASTConstructor;
33 import org.jboss.aop.pointcut.ast.ASTException;
34 import org.jboss.aop.pointcut.ast.ASTField;
35 import org.jboss.aop.pointcut.ast.ASTHas;
36 import org.jboss.aop.pointcut.ast.ASTHasField;
37 import org.jboss.aop.pointcut.ast.ASTMethod;
38 import org.jboss.aop.pointcut.ast.ASTNot;
39 import org.jboss.aop.pointcut.ast.ASTOr;
40 import org.jboss.aop.pointcut.ast.ASTParameter;
41 import org.jboss.aop.pointcut.ast.ASTStart;
42 import org.jboss.aop.pointcut.ast.ASTSub;
43 import org.jboss.aop.pointcut.ast.Node;
44 import org.jboss.aop.pointcut.ast.SimpleNode;
45 import org.jboss.aop.pointcut.ast.TypeExpressionParserVisitor;
46
47
53 public class TypeMatcher implements TypeExpressionParserVisitor
54 {
55 protected Advisor advisor;
56 protected CtClass ctClass;
57 protected Class  clazz;
58
59 public TypeMatcher(Advisor advisor, Class clazz)
60 {
61 this.advisor = advisor;
62 this.clazz = clazz;
63 }
64
65 public TypeMatcher(Advisor advisor, CtClass ctClass)
66 {
67 this.advisor = advisor;
68 this.ctClass = ctClass;
69 }
70
71 public Object visit(ASTStart node, Object data)
72 {
73 return node.jjtGetChild(0).jjtAccept(this, data);
74 }
75
76 public Object visit(ASTBoolean node, Object data)
77 {
78 return node.jjtGetChild(0).jjtAccept(this, data);
79 }
80
81 public Object visit(ASTComposite node, Object data)
82 {
83 return node.jjtGetChild(0).jjtAccept(this, data);
84 }
85
86 public Object visit(ASTNot node, Object data)
87 {
88
89 Boolean bool = (Boolean ) node.jjtGetChild(0).jjtAccept(this, data);
90 boolean val = bool.booleanValue();
91 return val ? Boolean.FALSE : Boolean.TRUE;
92 }
93
94 public Object visit(ASTSub node, Object data)
95 {
96 for (int i = 0; i < node.jjtGetNumChildren(); i++)
97 {
98 data = node.jjtGetChild(i).jjtAccept(this, data);
99 }
100 return data;
101 }
102
103 public Object visit(ASTAnd node, Object left)
104 {
105 Node andChild = node.jjtGetChild(0); boolean val = ((Boolean ) left).booleanValue();
107 return new Boolean (val && ((Boolean ) andChild.jjtAccept(this, Boolean.FALSE)).booleanValue());
108 }
109
110 public Object visit(ASTOr node, Object left)
111 {
112 Node orChild = node.jjtGetChild(0); boolean val = ((Boolean ) left).booleanValue();
114 return new Boolean (val || ((Boolean ) orChild.jjtAccept(this, Boolean.FALSE)).booleanValue());
115 }
116
117
118 public Object visit(SimpleNode node, Object data)
119 {
120 return null;
121 }
122
123
124 public Object visit(ASTHas node, Object data)
125 {
126 Node n = node.jjtGetChild(0);
127 if (n instanceof ASTMethod)
128 {
129 if (clazz != null) return new Boolean (Util.has(clazz, (ASTMethod) n, advisor));
130 if (ctClass != null) return new Boolean (Util.has(ctClass, (ASTMethod) n, advisor));
131 }
132 else
133 {
134 if (clazz != null) return new Boolean (Util.has(clazz, (ASTConstructor) n, advisor));
135 if (ctClass != null) return new Boolean (Util.has(ctClass, (ASTConstructor) n, advisor));
136 }
137 return Boolean.FALSE;
138 }
139
140 public Object visit(ASTHasField node, Object data)
141 {
142 ASTField f = (ASTField) node.jjtGetChild(0);
143 if (clazz != null)
144 return new Boolean (Util.has(clazz, f, advisor));
145 else
146 return new Boolean (Util.has(ctClass, f, advisor));
147 }
148
149 public Object visit(ASTClass node, Object data)
150 {
151 if (clazz != null)
152 {
153 return new Boolean (Util.matchesClassExpr(node.getClazz(), clazz, advisor));
154 }
155 else
156 {
157 return new Boolean (Util.matchesClassExpr(node.getClazz(), ctClass, advisor));
158 }
159 }
160
161 public Object visit(ASTMethod node, Object data)
162 {
163 return Boolean.FALSE;
164 }
165
166 public Object visit(ASTAttribute node, Object data)
167 {
168 return Boolean.FALSE;
169 }
170
171 public Object visit(ASTConstructor node, Object data)
172 {
173 return Boolean.FALSE;
174 }
175
176 public Object visit(ASTParameter node, Object data)
177 {
178 return Boolean.FALSE;
179 }
180
181 public Object visit(ASTAllParameter node, Object data)
182 {
183 return Boolean.FALSE;
184 }
185
186 public Object visit(ASTField node, Object data)
187 {
188 return Boolean.FALSE;
189 }
190
191 public Object visit(ASTException node, Object data)
192 {
193 return Boolean.FALSE;
194 }
195
196
197 }
198 |
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