Mercurial > hg > blitz_condensed
comparison src/com/go/trove/net/CheckedSocketException.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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-1:000000000000 | 0:3dc0c5604566 |
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1 /* ==================================================================== | |
2 * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group | |
3 * ==================================================================== | |
4 * The Tea Software License, Version 1.1 | |
5 * | |
6 * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved. | |
7 * | |
8 * Redistribution and use in source and binary forms, with or without | |
9 * modification, are permitted provided that the following conditions | |
10 * are met: | |
11 * | |
12 * 1. Redistributions of source code must retain the above copyright | |
13 * notice, this list of conditions and the following disclaimer. | |
14 * | |
15 * 2. Redistributions in binary form must reproduce the above copyright | |
16 * notice, this list of conditions and the following disclaimer in | |
17 * the documentation and/or other materials provided with the | |
18 * distribution. | |
19 * | |
20 * 3. The end-user documentation included with the redistribution, | |
21 * if any, must include the following acknowledgment: | |
22 * "This product includes software developed by the | |
23 * Walt Disney Internet Group (http://opensource.go.com/)." | |
24 * Alternately, this acknowledgment may appear in the software itself, | |
25 * if and wherever such third-party acknowledgments normally appear. | |
26 * | |
27 * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must | |
28 * not be used to endorse or promote products derived from this | |
29 * software without prior written permission. For written | |
30 * permission, please contact opensource@dig.com. | |
31 * | |
32 * 5. Products derived from this software may not be called "Tea", | |
33 * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", | |
34 * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior | |
35 * written permission of the Walt Disney Internet Group. | |
36 * | |
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED | |
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
40 * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS | |
41 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
42 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
43 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
44 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
45 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
48 * ==================================================================== | |
49 * | |
50 * For more information about Tea, please see http://opensource.go.com/. | |
51 */ | |
52 | |
53 package com.go.trove.net; | |
54 | |
55 import java.io.*; | |
56 import java.net.*; | |
57 import java.lang.ref.*; | |
58 | |
59 /****************************************************************************** | |
60 * A SocketException that prints out additional detail in the message: address | |
61 * and port of the socket. | |
62 * | |
63 * @author Brian S O'Neill | |
64 * @version | |
65 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 01/01/22 <!-- $--> | |
66 */ | |
67 public class CheckedSocketException extends SocketException { | |
68 static CheckedSocketException create | |
69 (Exception cause, Socket source) { | |
70 if (cause instanceof CheckedSocketException) { | |
71 return (CheckedSocketException)cause; | |
72 } | |
73 else { | |
74 return new CheckedSocketException(cause, source); | |
75 } | |
76 } | |
77 | |
78 static CheckedSocketException create | |
79 (Exception cause, Socket source, String message) { | |
80 if (cause instanceof CheckedSocketException) { | |
81 return (CheckedSocketException)cause; | |
82 } | |
83 else { | |
84 return new CheckedSocketException(cause, source, message); | |
85 } | |
86 } | |
87 | |
88 static String createMessagePrefix(Socket source) { | |
89 return | |
90 "[" + source.getLocalAddress().getHostAddress() + | |
91 ':' + source.getLocalPort() + | |
92 ',' + source.getInetAddress().getHostAddress() + | |
93 ':' + source.getPort() + ']'; | |
94 } | |
95 | |
96 private Exception mCause; | |
97 private String mMessagePrefix; | |
98 private Reference mSource; | |
99 | |
100 private CheckedSocketException(Exception cause, Socket source) { | |
101 this(cause, source, cause.getMessage()); | |
102 } | |
103 | |
104 private CheckedSocketException(Exception cause, Socket source, | |
105 String message) { | |
106 super(createMessagePrefix(source) + ' ' + message); | |
107 mCause = cause; | |
108 mMessagePrefix = createMessagePrefix(source); | |
109 mSource = new WeakReference(source); | |
110 } | |
111 | |
112 public Throwable getCause() { | |
113 return mCause; | |
114 } | |
115 | |
116 /** | |
117 * Returns null if source socket has been reclaimed by the garbage | |
118 * collector. | |
119 */ | |
120 public Socket getSource() { | |
121 return (Socket)mSource.get(); | |
122 } | |
123 | |
124 public void printStackTrace() { | |
125 printStackTrace(System.err); | |
126 } | |
127 | |
128 public void printStackTrace(PrintStream ps) { | |
129 synchronized (ps) { | |
130 ps.print(mMessagePrefix); | |
131 ps.print(": "); | |
132 mCause.printStackTrace(ps); | |
133 } | |
134 } | |
135 | |
136 public void printStackTrace(PrintWriter pw) { | |
137 synchronized (pw) { | |
138 pw.print(mMessagePrefix); | |
139 pw.print(": "); | |
140 mCause.printStackTrace(pw); | |
141 } | |
142 } | |
143 } |