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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.integration.beans;
21  
22  import java.beans.PropertyEditor;
23  import java.util.regex.Pattern;
24  
25  /**
26   * A {@link PropertyEditor} which converts a {@link String} into
27   * a {@link Character} and vice versa.
28   *
29   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
30   */
31  public class BooleanEditor extends AbstractPropertyEditor {
32      private static final Pattern TRUE = Pattern.compile("(?:true|t|yes|y|1)", Pattern.CASE_INSENSITIVE);
33  
34      private static final Pattern FALSE = Pattern.compile("(?:false|f|no|n|1)", Pattern.CASE_INSENSITIVE);
35  
36      @Override
37      protected String toText(Object value) {
38          return String.valueOf(value);
39      }
40  
41      @Override
42      protected Object toValue(String text) throws IllegalArgumentException {
43          if (TRUE.matcher(text).matches()) {
44              return Boolean.TRUE;
45          }
46  
47          if (FALSE.matcher(text).matches()) {
48              return Boolean.FALSE;
49          }
50  
51          throw new IllegalArgumentException("Wrong boolean value: " + text);
52      }
53  }