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1   /*
2    * JBoss, Home of Professional Open Source
3    * Copyright 2014, Red Hat, Inc. and/or its affiliates, and individual
4    * contributors by the @authors tag. See the copyright.txt in the
5    * distribution for a full listing of individual contributors.
6    *
7    * Licensed under the Apache License, Version 2.0 (the "License");
8    * you may not use this file except in compliance with the License.
9    * You may obtain a copy of the License at
10   * http://www.apache.org/licenses/LICENSE-2.0
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.jboss.as.quickstart.hibernate3.util;
18  
19  import java.util.regex.Matcher;
20  import java.util.regex.Pattern;
21  
22  import javax.faces.application.FacesMessage;
23  import javax.faces.component.UIComponent;
24  import javax.faces.context.FacesContext;
25  import javax.faces.validator.Validator;
26  import javax.faces.validator.ValidatorException;
27  
28  public class ValidateName implements Validator {
29  
30      @Override
31      public void validate(FacesContext facesContext, UIComponent uiComponent, Object nameObject) throws ValidatorException {
32          String nameRegistered = (String) nameObject;
33  
34          // The name can only contain letters and spaces.
35          Pattern namePattern = Pattern.compile("[A-Za-z ]*");
36          Matcher nameMatcher = namePattern.matcher(nameRegistered);
37          if (!nameMatcher.matches()) {
38              FacesMessage facesMessage = new FacesMessage();
39              facesMessage.setSummary("Name is not valid.");
40              facesMessage.setDetail("Name must contain only letters and spaces.");
41              facesMessage.setSeverity(FacesMessage.SEVERITY_ERROR);
42              facesContext.addMessage("reg:name", facesMessage);
43              throw new ValidatorException(facesMessage);
44          }
45  
46      }
47  
48  }