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


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 javassist.CtField;
25 import javassist.NotFoundException;
26 import org.jboss.aop.Advisor;
27 import org.jboss.aop.pointcut.ast.ASTGet;
28 import org.jboss.aop.pointcut.ast.ASTStart;
29
30 import java.lang.reflect.Field JavaDoc;
31
32 /**
33  * Comment
34  *
35  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
36  * @version $Revision: 37406 $
37  */
38 public class FieldGetMatcher extends FieldMatcher
39 {
40    private CtField ctField;
41    private Field field;
42
43    public FieldGetMatcher(Advisor advisor, CtField field, ASTStart start) throws NotFoundException
44    {
45       super(advisor, field, start);
46       this.ctField = field;
47    }
48
49    public FieldGetMatcher(Advisor advisor, Field field, ASTStart start)
50    {
51       super(advisor, field, start);
52       this.field = field;
53    }
54
55    public Object JavaDoc visit(ASTGet node, Object JavaDoc data)
56    {
57       return node.jjtGetChild(0).jjtAccept(this, null);
58    }
59
60    protected Boolean JavaDoc resolvePointcut(Pointcut p)
61    {
62       if (ctField != null)
63       {
64          try
65          {
66             return new Boolean JavaDoc(p.matchesGet(advisor, ctField));
67          }
68          catch (NotFoundException e)
69          {
70             throw new RuntimeException JavaDoc(e); //To change body of catch statement use Options | File Templates.
71 }
72       }
73       else
74       {
75          return new Boolean JavaDoc(p.matchesGet(advisor, field));
76       }
77    }
78 }
79
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