View Javadoc

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 javax.faces.validator;
20  
21  import java.util.Collection;
22  
23  import javax.faces.FacesException;
24  import javax.faces.application.FacesMessage;
25  
26  /**
27   * see Javadoc of <a href="http://java.sun.com/javaee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a>
28   *
29   * @author Manfred Geiler (latest modification by $Author: bommel $)
30   * @author Thomas Spiegl
31   * @version $Revision: 1187700 $ $Date: 2011-10-22 12:19:37 +0000 (Sat, 22 Oct 2011) $
32   */
33  public class ValidatorException
34          extends FacesException
35  {
36      private static final long serialVersionUID = 5965885122446047949L;
37      private FacesMessage _facesMessage;
38      private Collection<FacesMessage> _facesMessages;
39  
40      public ValidatorException(Collection<FacesMessage> messages)
41      {
42          super(facesMessagesToString(messages));
43          _facesMessages = messages;
44      }
45      
46      public ValidatorException(Collection<FacesMessage> messages, Throwable cause)
47      {
48          super(facesMessagesToString(messages),cause);
49          _facesMessages = messages;
50      }
51      
52      public ValidatorException(FacesMessage message)
53      {
54          super(facesMessageToString(message));
55          _facesMessage = message;
56      }
57  
58      public ValidatorException(FacesMessage message,
59                                Throwable cause)
60      {
61          super(facesMessageToString(message), cause);
62          _facesMessage = message;
63      }
64  
65      public FacesMessage getFacesMessage()
66      {
67          return _facesMessage;
68      }
69      
70      public Collection<FacesMessage> getFacesMessages()
71      {
72          return _facesMessages;
73      }
74  
75      private static String facesMessageToString(FacesMessage message)
76      {
77          final String summary = message.getSummary();
78          final String detail = message.getDetail();
79          
80          if (summary != null)
81          {
82              if (detail != null)
83              {
84                  return summary + ": " + detail;
85              }
86              
87              return summary;
88          }
89          
90          return detail != null ? detail : "";
91      }
92      
93      private static String facesMessagesToString(Collection<FacesMessage> messages)
94      {
95          if (messages == null || messages.isEmpty())
96          {
97              return "";
98          }
99          StringBuilder sb = new StringBuilder();
100 
101         String separator = "";
102         for (FacesMessage message : messages)
103         {
104             if (message != null)
105             {
106                 String summary = message.getSummary();
107                 String detail = message.getDetail();
108                 
109                 if (summary != null)
110                 {
111                     sb.append(separator);
112                     sb.append(summary);
113                     if (detail != null)
114                     {
115                         sb.append(": ");
116                         sb.append(detail);
117                     }
118                     separator = ", ";
119                 }
120             }
121         }
122         return sb.toString();
123     }
124 }