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1   /*
2    * Copyright 2004 Diogo Quintela (dquintela@users.sourceforge.net)
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package net.sf.whatsnew.options;
17  
18  import net.sf.whatsnew.exceptions.*;
19  
20  
21  /***
22   * <p>
23   * A Boolean Option
24   * </p>
25   *
26   * @author <a href="mailto:dquintela@users.sourceforge.net">Diogo Quintela</a>
27   * @version $Id: BooleanOption.java,v 1.1 2004/05/13 01:22:30 dquintela Exp $
28   */
29  class BooleanOption
30  extends Option {
31      /***
32       * Creates a new BooleanOption object.
33       *
34       * @param defaultValue Option default value
35       */
36      protected BooleanOption(Boolean defaultValue) {
37          super(defaultValue);
38      }
39  
40      /***
41       * Gets option value
42       *
43       * @param value The value to use if possible
44       *
45       * @return The option value
46       *
47       * @throws InvalidOptionValue If the object type is invalid
48       */
49      protected OptionValue getOptionValue(Object value)
50      throws InvalidOptionValue {
51          if ((value != null) && (value instanceof Boolean)) {
52              return new OptionValue(value);
53          }
54          throw new InvalidOptionValue();
55      }
56  }
57  // EOF