Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/packaging/mime/MessagingException.java

src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/packaging/mime/MessagingException.java

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1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*
27 * @(#)MessagingException.java 1.10 02/06/13
28 */
29
30
31
32 package com.sun.xml.internal.messaging.saaj.packaging.mime;
33
34
35 /**
36 * The base class for all exceptions thrown by the Messaging classes
37 *
38 * @author John Mani
39 * @author Bill Shannon
40 */
41
42 public class MessagingException extends Exception {
43
44 /**
45 * The next exception in the chain.
46 *
47 * @serial
48 */
49 private Exception next;
50
51 /**
52 * Constructs a MessagingException with no detail message.
53 */
54 public MessagingException() {
55 super();
56 }
57
58 /**
59 * Constructs a MessagingException with the specified detail message.
60 * @param s the detail message
61 */
62 public MessagingException(String s) {
63 super(s);
64 }
65
66 /**
67 * Constructs a MessagingException with the specified
68 * Exception and detail message. The specified exception is chained
69 * to this exception.
70 * @param s the detail message
71 * @param e the embedded exception
72 * @see #getNextException
73 * @see #setNextException
74 */
75 public MessagingException(String s, Exception e) {
76 super(s);
77 next = e;
78 }
79
80 /**
81 * Get the next exception chained to this one. If the
82 * next exception is a MessagingException, the chain
83 * may extend further.
84 *
85 * @return next Exception, null if none.
86 */
87 public Exception getNextException() {
88 return next;
89 }
90
91 /**
92 * Add an exception to the end of the chain. If the end
93 * is <strong>not</strong> a MessagingException, this
94 * exception cannot be added to the end.
95 *
96 * @param ex the new end of the Exception chain
97 * @return <code>true</code> if the this Exception
98 * was added, <code>false</code> otherwise.
99 */
100 public synchronized boolean setNextException(Exception ex) {
101 Exception theEnd = this;
102 while (theEnd instanceof MessagingException &&
103 ((MessagingException)theEnd).next != null) {
104 theEnd = ((MessagingException)theEnd).next;
105 }
106 // If the end is a MessagingException, we can add this
107 // exception to the chain.
108 if (theEnd instanceof MessagingException) {
109 ((MessagingException)theEnd).next = ex;
110 return true;
111 } else
112 return false;
113 }
114
115 /**
116 * Produce the message, include the message from the nested
117 * exception if there is one.
118 */
119 public String getMessage() {
120 if (next == null)
121 return super.getMessage();
122 Exception n = next;
123 String s = super.getMessage();
124 StringBuffer sb = new StringBuffer(s == null ? "" : s);
125 while (n != null) {
126 sb.append(";\n nested exception is:\n\t");
127 if (n instanceof MessagingException) {
128 MessagingException mex = (MessagingException)n;
129 sb.append(n.getClass().toString());
130 String msg = mex.getSuperMessage();
131 if (msg != null) {
132 sb.append(": ");
133 sb.append(msg);
134 }
135 n = mex.next;
136 } else {
137 sb.append(n.toString());
138 n = null;
139 }
140 }
141 return sb.toString();
142 }
143
144 private String getSuperMessage() {
145 return super.getMessage();
146 }
147 }

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