1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.taglib.faces.validator;
21  
22  import com.liferay.portal.kernel.language.LanguageUtil;
23  import com.liferay.portal.kernel.util.Validator;
24  
25  import java.util.Locale;
26  
27  import javax.faces.application.FacesMessage;
28  import javax.faces.component.StateHolder;
29  import javax.faces.component.UIComponent;
30  import javax.faces.context.ExternalContext;
31  import javax.faces.context.FacesContext;
32  import javax.faces.validator.ValidatorException;
33  
34  import org.apache.commons.validator.EmailValidator;
35  
36  /**
37   * <a href="EmailAddressValidator.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Neil Griffin
40   *
41   */
42  public class EmailAddressValidator
43      implements StateHolder, javax.faces.validator.Validator {
44  
45      public void restoreState(FacesContext facesContext, Object obj) {
46      }
47  
48      public Object saveState(FacesContext facesContext) {
49          return null;
50      }
51  
52      public void validate(
53              FacesContext facesContext, UIComponent uiComponent, Object obj)
54          throws ValidatorException {
55  
56          ExternalContext externalContext = facesContext.getExternalContext();
57  
58          Locale locale = externalContext.getRequestLocale();
59  
60          if (obj instanceof String) {
61              String emailAddress = (String)obj;
62  
63              if (Validator.isNotNull(emailAddress)) {
64                  if (!EmailValidator.getInstance().isValid(emailAddress)) {
65                      String summary = LanguageUtil.get(
66                          locale, "please-enter-a-valid-email-address");
67  
68                      FacesMessage facesMessage = new FacesMessage(
69                          FacesMessage.SEVERITY_ERROR, summary, null);
70  
71                      throw new ValidatorException(facesMessage);
72                  }
73              }
74          }
75          else {
76              String summary = LanguageUtil.format(
77                  locale,
78                  "validator-expected-type-string,-but-instead-received-type-x",
79                  obj.getClass().getName());
80  
81              FacesMessage facesMessage = new FacesMessage(
82                  FacesMessage.SEVERITY_ERROR, summary, null);
83  
84              throw new ValidatorException(facesMessage);
85          }
86      }
87  
88      public boolean isTransient() {
89          return _transient;
90      }
91  
92      public void setTransient(boolean value) {
93          _transient = value;
94      }
95  
96      private boolean _transient;
97  
98  }