annotate src/net/sourceforge/jsocks/SocksException.java @ 168:b2853cd674dc

Added tag stable-1.8.1 for changeset 9000d274d470
author Carl Byington <carl@five-ten-sg.com>
date Tue, 24 Jun 2014 12:50:47 -0700
parents 0ce5cc452d02
children 205ee2873330
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1 package net.sourceforge.jsocks;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
2
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
3 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
4 Exception thrown by various socks classes to indicate errors
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
5 with protocol or unsuccessful server responses.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
6 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
7 public class SocksException extends java.io.IOException {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
8 private static final long serialVersionUID = 6141184566248512277L;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
9
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
10 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
11 Construct a SocksException with given error code.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
12 <p>
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
13 Tries to look up message which corresponds to this error code.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
14 @param errCode Error code for this exception.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
15 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
16 public SocksException(int errCode) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
17 this.errCode = errCode;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
18
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
19 if ((errCode >> 16) == 0) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
20 //Server reply error message
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
21 errString = errCode <= serverReplyMessage.length ?
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
22 serverReplyMessage[errCode] :
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
23 UNASSIGNED_ERROR_MESSAGE;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
24 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
25 else {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
26 //Local error
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
27 errCode = (errCode >> 16) - 1;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
28 errString = errCode <= localErrorMessage.length ?
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
29 localErrorMessage[errCode] :
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
30 UNASSIGNED_ERROR_MESSAGE;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
31 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
32 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
33 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
34 Constructs a SocksException with given error code and message.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
35 @param errCode Error code.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
36 @param errString Error Message.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
37 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
38 public SocksException(int errCode, String errString) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
39 this.errCode = errCode;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
40 this.errString = errString;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
41 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
42 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
43 Get the error code associated with this exception.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
44 @return Error code associated with this exception.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
45 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
46 public int getErrorCode() {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
47 return errCode;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
48 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
49 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
50 Get human readable representation of this exception.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
51 @return String represntation of this exception.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
52 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
53 public String toString() {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
54 return errString;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
55 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
56
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
57 static final String UNASSIGNED_ERROR_MESSAGE =
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
58 "Unknown error message";
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
59 static final String serverReplyMessage[] = {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
60 "Succeeded",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
61 "General SOCKS server failure",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
62 "Connection not allowed by ruleset",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
63 "Network unreachable",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
64 "Host unreachable",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
65 "Connection refused",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
66 "TTL expired",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
67 "Command not supported",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
68 "Address type not supported"
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
69 };
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
70
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
71 static final String localErrorMessage[] = {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
72 "SOCKS server not specified",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
73 "Unable to contact SOCKS server",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
74 "IO error",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
75 "None of Authentication methods are supported",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
76 "Authentication failed",
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
77 "General SOCKS fault"
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
78 };
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
79
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
80 String errString;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
81 public int errCode;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
82
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
83 }//End of SocksException class
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
84