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Java > Open Source Codes > javax > xml > registry > JAXRException


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package javax.xml.registry;
23
24 /**
25  * @author Scott.Stark@jboss.org
26  * @version $Revision: 37459 $
27  */
28 public class JAXRException extends Exception JavaDoc
29    implements JAXRResponse JavaDoc
30 {
31    protected Throwable JavaDoc cause;
32
33    public JAXRException()
34    {
35    }
36    public JAXRException(String JavaDoc msg)
37    {
38       super(msg);
39    }
40    public JAXRException(String JavaDoc msg, Throwable JavaDoc cause)
41    {
42       super(msg, cause);
43    }
44    public JAXRException(Throwable JavaDoc cause)
45    {
46       super(cause);
47    }
48    public String JavaDoc getRequestId()
49    {
50       return null;
51    }
52    public int getStatus()
53    {
54       return 0;
55    }
56    public boolean isAvailable() throws JAXRException JavaDoc
57    {
58       return true;
59    }
60
61    /** Initializes the cause of this throwable to the specified value. (The
62     * cause is the throwable that caused this throwable to get thrown.)
63     *
64     * This method can be called at most once. It is generally called from
65     * within the constructor, or immediately after creating the throwable. If
66     * this throwable was created with JAXRException(Throwable) or
67     * JAXRException(String,Throwable), this method cannot be called even once.
68     *
69     * @param cause
70     * @return this
71     */
72    public Throwable JavaDoc initCause(Throwable JavaDoc cause)
73    {
74       if( this.cause != null )
75       {
76          if( this.cause == this )
77             throw new IllegalArgumentException JavaDoc("A throwable cannot be its own cause.");
78          else
79             throw new IllegalStateException JavaDoc("cause has already been set");
80       }
81       this.cause = cause;
82       super.initCause(cause);
83       return this;
84    }
85 }
86
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