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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.commons.validator;
20  
21  import javax.faces.application.FacesMessage;
22  import javax.faces.component.UIComponent;
23  import javax.faces.context.FacesContext;
24  import javax.faces.validator.ValidatorException;
25  
26  import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFValidator;
27  import org.apache.myfaces.commons.util.MessageUtils;
28  
29  /**
30   * A custom validator for isbn codes, based upons Jakarta Commons.
31   * 
32   *   
33   * @author <a href="mailto:matzew@apache.org">Matthias We&szlig;endorf</a> (latest modification by $Author: lu4242 $)
34   * @version $Revision: 1021618 $ $Date: 2010-10-11 23:08:53 -0500 (Mon, 11 Oct 2010) $
35   */
36  @JSFValidator(
37     name = "mcv:validateISBN",
38     tagClass = "org.apache.myfaces.commons.validator.ValidateISBNTag",
39     serialuidtag = "5230653358032218656L")
40  public class ISBNValidator extends ValidatorBase {
41  
42      /**
43       * <p>The standard converter id for this converter.</p>
44       */
45      public static final String     VALIDATOR_ID        = "org.apache.myfaces.commons.validator.ISBN";
46      /**
47       * <p>The message identifier of the {@link FacesMessage} to be created if
48       * the maximum length check fails.</p>
49       */
50      public static final String ISBN_MESSAGE_ID = "org.apache.myfaces.commons.validator.ISBN.INVALID";
51  
52      /**
53       * <p>isbnValidator</p>
54       */
55      private org.apache.commons.validator.ISBNValidator isbnValidator;
56  
57      public ISBNValidator(){
58          isbnValidator = new org.apache.commons.validator.ISBNValidator();
59      }
60  
61      /**
62       * methode that validates isbn codes.
63       * it uses the commons-validator
64       */
65      public void validate(
66          FacesContext facesContext,
67          UIComponent uiComponent,
68          Object value)
69          throws ValidatorException {
70  
71  
72              if (facesContext == null) throw new NullPointerException("facesContext");
73              if (uiComponent == null) throw new NullPointerException("uiComponent");
74  
75              if (value == null)
76              {
77                  return;
78              }
79          
80              if (!isbnValidator.isValid( value.toString())) {
81                  Object[] args = {value.toString()};
82                  String message = getMessage();
83                  if (null == message)  message = ISBN_MESSAGE_ID;
84  
85                  throw new ValidatorException(MessageUtils.getMessage(FacesMessage.SEVERITY_ERROR, message, args));
86              }
87              
88  
89      }
90  
91  }