Coverage details for org.chwf.resources.ResourceException

LineHitsSource
1 /*
2 Chrysalis Web Framework [http://chrysalis.sourceforge.net]
3 Copyright (c) 2002, 2003, 2004, Paul Strack
4  
5 All rights reserved.
6  
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
9  
10 1. Redistributions of source code must retain the above copyright notice, this
11 list of conditions and the following disclaimer.
12  
13 2. Redistributions in binary form must reproduce the above copyright notice,
14 this list of conditions and the following disclaimer in the documentation
15 and/or other materials provided with the distribution.
16  
17 3. Neither the name of the copyright holder nor the names of its contributors
18 may be used to endorse or promote products derived from this software without
19 specific prior written permission.
20  
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
22 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
25 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
28 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32  
33 package org.chwf.resources;
34  
35 /**
36  * Exception for resource-related errors. Wraps the root cause. This
37  * exception also supports creating arbitrarily long chains of resource
38  * exceptions.
39  *
40  * @author Paul Strack
41  */
42 public class ResourceException extends Exception {
43  
44   /** Root cause. */
45   private final Throwable cause;
46  
47   /** Chained exception. */
48   private ResourceException chainedException;
49  
50   /** Message key */
51   static final String MESSAGE_RESOURCE_RELEASE_FAILURE =
52     "RESOURCE_RELEASE_FAILURE";
53  
54   /**
55    * Constructor.
56    *
57    * @param message A message.
58    */
59   public ResourceException(String message) {
602    this(message, null);
612  }
62  
63   /**
64    * Constructor.
65    *
66    * @param cause The root cause.
67    */
68   public ResourceException(Throwable cause) {
693    this(cause.toString(), cause);
703  }
71  
72   /**
73    * Constructor.
74    *
75    * @param message A message.
76    * @param cause The root cause.
77    */
78   public ResourceException(String message, Throwable cause) {
795    super(message);
805    this.cause = cause;
815  }
82  
83   /**
84    * Root cause.
85    *
86    * @return Root cause.
87    */
88   public Throwable getCause() {
892    return cause;
90   }
91  
92   /**
93    * Method for chaining multiple resource exceptions.
94    *
95    * @param ex The resource exception to chain.
96    */
97   public void setNextException(ResourceException ex) {
984    if (this.chainedException == null) {
994      this.chainedException = ex;
100     } else {
1010      this.chainedException.setNextException(ex);
102     }
1034  }
104  
105   /**
106    * The next chained exception, or null if there is none.
107    *
108    * @return The next chained exception, or null if there is none.
109    */
110   public ResourceException getNextException() {
1111    return this.chainedException;
112   }
113 }

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