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1   /**
2    * This file Copyright (c) 2003-2010 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.voting.voters;
35  
36  import org.slf4j.Logger;
37  import org.slf4j.LoggerFactory;
38  
39  
40  /**
41   * Used to create boolean voters which can't return integer values. You can
42   * stear the returned values by setting the trueValue and falseValue. To inverse
43   * the result of the boolVote method use the not property.
44   *
45   * @author philipp
46   * @version $Id: AbstractBoolVoter.java 32667 2010-03-13 00:37:06Z gjoseph $
47   */
48  public abstract class AbstractBoolVoter extends BaseVoterImpl {
49  
50      /**
51       * Logger.
52       */
53      private static Logger log = LoggerFactory.getLogger(AbstractBoolVoter.class);
54  
55      private int trueValue = 1;
56  
57      private int falseValue = 0;
58  
59      private boolean not;
60  
61      public int vote(Object value) {
62          boolean vote = boolVote(value);
63          if(not){
64              vote = !vote;
65          }
66          return vote ? trueValue : falseValue;
67      }
68  
69      public int getFalseValue() {
70          return this.falseValue;
71      }
72  
73      public void setFalseValue(int negativeVoteValue) {
74          this.falseValue = negativeVoteValue;
75      }
76  
77      public int getTrueValue() {
78          return this.trueValue;
79      }
80  
81      public void setTrueValue(int positiveVoteValue) {
82          this.trueValue = positiveVoteValue;
83      }
84  
85      abstract protected boolean boolVote(Object value);
86  
87  
88      public boolean isNot() {
89          return this.not;
90      }
91  
92      public void setNot(boolean not) {
93          this.not = not;
94      }
95  
96      public String toString() {
97          return super.toString() + ": " + (not?"not" : "");
98      }
99  
100     public int getLevel() {
101         return getTrueValue();
102     }
103 
104     public void setLevel(int level) {
105         setTrueValue(level);
106     }
107 }