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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  package org.apache.myfaces.taglib.core;
20  
21  import org.apache.myfaces.convert.ConverterUtils;
22  
23  import javax.faces.validator.DoubleRangeValidator;
24  import javax.faces.validator.Validator;
25  import javax.servlet.jsp.JspException;
26  
27  /**
28   * @author Thomas Spiegl (latest modification by $Author$)
29   * @author Manfred Geiler
30   * @version $Revision$ $Date$
31   */
32  public class ValidateDoubleRangeTag extends GenericMinMaxValidatorTag<Double>
33  {
34      private static final long serialVersionUID = 6396116656224588016L;
35  
36      private static final String VALIDATOR_ID = "javax.faces.DoubleRange";
37  
38      @Override
39      protected Validator createValidator() throws JspException
40      {
41          setValidatorIdString(VALIDATOR_ID);
42          DoubleRangeValidator validator = (DoubleRangeValidator)super.createValidator();
43          if (null != _min)
44          {
45              validator.setMinimum(_min);
46          }
47          if (null != _max)
48          {
49              validator.setMaximum(_max);
50          }
51          return validator;
52      }
53  
54      @Override
55      protected boolean isMinLTMax()
56      {
57          return _min < _max;
58      }
59  
60      @Override
61      protected Double getValue(Object value)
62      {
63          return ConverterUtils.convertToDouble(value);
64      }
65  }