ServiceLocatorException


1   package com.jdon.servicelocator;
2   
3   /**
4    * This class implements an exception which can wrapped a lower-level exception.
5    *
6    */
7   public class ServiceLocatorException extends Exception   {
8     private Exception   exception;
9   
10    /**
11     * Creates a new ServiceLocatorException wrapping another exception, and with a detail message.
12     * @param message the detail message.
13     * @param exception the wrapped exception.
14     */
15    public ServiceLocatorException(String   message, Exception   exception) {
16      super(message);
17      this.exception = exception;
18      return;
19    }
20  
21    /**
22     * Creates a ServiceLocatorException with the specified detail message.
23     * @param message the detail message.
24     */
25    public ServiceLocatorException(String   message) {
26      this(message, null);
27      return;
28    }
29  
30    /**
31     * Creates a new ServiceLocatorException wrapping another exception, and with no detail message.
32     * @param exception the wrapped exception.
33     */
34    public ServiceLocatorException(Exception   exception) {
35      this(null, exception);
36      return;
37    }
38  
39    /**
40     * Gets the wrapped exception.
41     *
42     * @return the wrapped exception.
43     */
44    public Exception   getException() {
45      return exception;
46    }
47  
48    /**
49     * Retrieves (recursively) the root cause exception.
50     *
51     * @return the root cause exception.
52     */
53    public Exception   getRootCause() {
54      if (exception instanceof ServiceLocatorException) {
55        return ((ServiceLocatorException) exception).getRootCause();
56      }
57      return exception == null ? this : exception;
58    }
59  
60    public String   toString() {
61      if (exception instanceof ServiceLocatorException) {
62        return ((ServiceLocatorException) exception).toString();
63      }
64      return exception == null ? super.toString() : exception.toString();
65    }
66  }
67
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags