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Java > Open Source Codes > org > jboss > aop > pointcut > TypedefExpression


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.aop.pointcut;
23
24 import java.io.StringReader JavaDoc;
25 import org.jboss.aop.Advisor;
26 import org.jboss.aop.pointcut.ast.ASTStart;
27 import org.jboss.aop.pointcut.ast.ParseException;
28 import org.jboss.aop.pointcut.ast.TypeExpressionParser;
29 import javassist.CtClass;
30
31
32 /**
33  * @author <a HREF="mailto:kabirkhan@bigfoot.com">Kabir Khan</a>
34  */
35 public class TypedefExpression implements Typedef
36 {
37    protected String JavaDoc name;
38    protected String JavaDoc expr;
39    protected ASTStart ast;
40
41    public TypedefExpression(String JavaDoc name, String JavaDoc expr) throws ParseException
42    {
43       this.name = name;
44       this.expr = expr;
45
46       ast = new TypeExpressionParser(new StringReader JavaDoc(expr)).Start();
47    }
48
49    public String JavaDoc getName()
50    {
51       return name;
52    }
53
54    public String JavaDoc getExpr()
55    {
56       return expr;
57    }
58
59    public boolean matches(Advisor advisor, CtClass clazz)
60    {
61       TypeMatcher matcher = new TypeMatcher(advisor, clazz);
62       return ((Boolean JavaDoc) ast.jjtAccept(matcher, null)).booleanValue();
63    }
64
65    public boolean matches(Advisor advisor, Class JavaDoc clazz)
66    {
67       TypeMatcher matcher = new TypeMatcher(advisor, clazz);
68       return ((Boolean JavaDoc) ast.jjtAccept(matcher, null)).booleanValue();
69    }
70
71 }
72
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