1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.faces.validator;
24  
25  import com.liferay.portal.kernel.language.LanguageUtil;
26  import com.liferay.portal.kernel.util.Validator;
27  
28  import java.util.Locale;
29  
30  import javax.faces.application.FacesMessage;
31  import javax.faces.component.StateHolder;
32  import javax.faces.component.UIComponent;
33  import javax.faces.context.ExternalContext;
34  import javax.faces.context.FacesContext;
35  import javax.faces.validator.ValidatorException;
36  
37  import org.apache.commons.validator.EmailValidator;
38  
39  /**
40   * <a href="EmailAddressValidator.java.html"><b><i>View Source</i></b></a>
41   *
42   * @author Neil Griffin
43   *
44   */
45  public class EmailAddressValidator
46      implements StateHolder, javax.faces.validator.Validator {
47  
48      public void restoreState(FacesContext facesContext, Object obj) {
49      }
50  
51      public Object saveState(FacesContext facesContext) {
52          return null;
53      }
54  
55      public void validate(
56              FacesContext facesContext, UIComponent uiComponent, Object obj)
57          throws ValidatorException {
58  
59          ExternalContext externalContext = facesContext.getExternalContext();
60  
61          Locale locale = externalContext.getRequestLocale();
62  
63          if (obj instanceof String) {
64              String emailAddress = (String)obj;
65  
66              if (Validator.isNotNull(emailAddress)) {
67                  if (!EmailValidator.getInstance().isValid(emailAddress)) {
68                      String summary = LanguageUtil.get(
69                          locale, "please-enter-a-valid-email-address");
70  
71                      FacesMessage facesMessage = new FacesMessage(
72                          FacesMessage.SEVERITY_ERROR, summary, null);
73  
74                      throw new ValidatorException(facesMessage);
75                  }
76              }
77          }
78          else {
79              String summary = LanguageUtil.format(
80                  locale,
81                  "validator-expected-type-string,-but-instead-received-type-x",
82                  obj.getClass().getName());
83  
84              FacesMessage facesMessage = new FacesMessage(
85                  FacesMessage.SEVERITY_ERROR, summary, null);
86  
87              throw new ValidatorException(facesMessage);
88          }
89      }
90  
91      public boolean isTransient() {
92          return _transient;
93      }
94  
95      public void setTransient(boolean value) {
96          _transient = value;
97      }
98  
99      private boolean _transient;
100 
101 }