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1   /*
2   Copyright (C) 2004 Grid Systems, S.A.
3   
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License, version 2, as
6   published by the Free Software Foundation.
7   
8   This program is distributed in the hope that it will be useful,
9   but WITHOUT ANY WARRANTY; without even the implied warranty of
10  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  GNU General Public License for more details.
12  
13  You should have received a copy of the GNU General Public License
14  along with this program; if not, write to the Free Software
15  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16  */
17  package com.gridsystems.beanfilter;
18  
19  /**
20   * represents the actual value value.
21   *
22   * @author Xmas
23   * @version 1.0
24   */
25  public class ThisValue extends EvalValue {
26  
27    /**
28     * Class represented by <code>this</code>.
29     */
30    private final Class<?> thisClass;
31  
32    /**
33     * Creates a new instance.
34     *
35     * @param token  The token
36     * @param thisClass Class represented by <code>this</code>.
37     */
38    public ThisValue(Token token, Class<?> thisClass) {
39      super(token.beginLine, token.beginColumn);
40      this.thisClass = thisClass;
41    }
42  
43    /**
44     * {@inheritDoc}
45     */
46    @Override public Object getValue(Object src) {
47      return src;
48    }
49  
50    /**
51     * {@inheritDoc}
52     */
53    @Override public String toString() {
54      return "this";
55    }
56  
57    /**
58     * {@inheritDoc}
59     */
60    @Override
61    public Class<?> getClassValue(Class<?> parentClass) throws EvalException {
62      return thisClass;
63    }
64  }