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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.custom.emailvalidator;
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.commons.validator.GenericValidator;
27  import org.apache.myfaces.validator.ValidatorBase;
28  
29  
30  /**
31   * A custom validator for email address format, based upons Jakarta Commons.
32   * 
33   * Unless otherwise specified, all attributes accept static values or EL expressions.
34   * 
35   * @JSFValidator
36   *   name = "t:validateEmail"
37   *   tagClass = "org.apache.myfaces.custom.emailvalidator.ValidateEmailTag"
38   *   serialuidtag = "6041422002721046221L"
39   * @since 1.1.7
40   * @deprecated use myfaces commons mcv:validateEmail instead
41   * @author mwessendorf (latest modification by $Author: lu4242 $)
42   * @version $Revision: 691856 $ $Date: 2008-09-03 21:40:30 -0500 (Wed, 03 Sep 2008) $
43   */
44  public class EmailValidator extends ValidatorBase {
45  
46      /**
47       * <p>The standard converter id for this converter.</p>
48       */
49      public static final String     VALIDATOR_ID        = "org.apache.myfaces.validator.Email";
50      /**
51       * <p>The message identifier of the {@link FacesMessage} to be created if
52       * the maximum length check fails.</p>
53       */
54      public static final String EMAIL_MESSAGE_ID = "org.apache.myfaces.Email.INVALID";
55  
56      public EmailValidator(){
57      }
58  
59      /**
60       * methode that validates an email-address.
61       * it uses the commons-validator
62       */
63      public void validate(
64          FacesContext facesContext,
65          UIComponent uiComponent,
66          Object value)
67          throws ValidatorException {
68  
69  
70              if (facesContext == null) throw new NullPointerException("facesContext");
71              if (uiComponent == null) throw new NullPointerException("uiComponent");
72  
73              if (value == null)
74              {
75                  return;
76              }
77              if (!GenericValidator.isEmail(value.toString().trim())) {
78                  Object[] args = {value.toString()};
79                  throw new ValidatorException(getFacesMessage(EMAIL_MESSAGE_ID, args));
80              }
81  
82      }
83  
84  }