BooleanConverter


1   /* Copyright (c) 2001-2005, The HSQL Development Group
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4    * Redistribution and use in source and binary forms, with or without
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8    * list of conditions and the following disclaimer.
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15   * contributors may be used to endorse or promote products derived from this
16   * software without specific prior written permission.
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30  
31  
32  package org.hsqldb.lib;
33  
34  /**
35   * Collection of static helper methods for converting types into boolean;
36   *
37   * @author: Nitin Chauhan
38   * @version 1.7.2
39   */
40  public final class BooleanConverter {
41  
42      public static Boolean   getBoolean(Boolean   o) {
43          return o;
44      }
45  
46      public static Boolean   getBoolean(Double   o) {
47          return o.doubleValue() == 0.0 ? Boolean.FALSE
48                                        : Boolean.TRUE;
49      }
50  
51      public static Boolean   getBoolean(Integer   o) {
52          return ((Number  ) o).longValue() == 0L ? Boolean.FALSE
53                                                : Boolean.TRUE;
54      }
55  
56      public static Boolean   getBoolean(Long   o) {
57          return ((Number  ) o).longValue() == 0L ? Boolean.FALSE
58                                                : Boolean.TRUE;
59      }
60  
61      public static Boolean   getBoolean(String   o) {
62          return o != null && o.toLowerCase().equals("true") ? Boolean.TRUE
63                                                             : Boolean.FALSE;
64      }
65  }
66
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