1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1997-2009. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*
*/
/**
* InitialReference is a class which generates the INIT reference
* which can be used by the InitialReferences interface.
*/
package Orber;
public class InitialReference
{
/**
* Constructor.
*/
public InitialReference(){;}
/**
* Returns the stringified objectreference to the initial reference server
*/
public String stringified_ior(String host, int port)
{
String iorByteString;
String profileData;
String iorString;
// byte_order followed by ' {"", [{0, '
// char iorBytesFirstPart[] = {0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0};
char iorBytesFirstPart[] = {0,0,0,0,0,0,0,32,73,68,76,58,79,114,98,101,114,47,73,110,105,116,105,97,108,82,101,102,101,114,101,110,99,101,115,58,49,46,48,0,0,0,0,1,0,0,0,0};
// the objectkey "INIT
char iorBytesLastPart[] = {0,0,0,4,73,78,73,84};
// Fix the ProfileData struct.
char pdPrefix[] = {0,1,0,0};
char nullbyte[] = {0};
profileData = new String(pdPrefix) + enc_ulong(host.length() + 1) + host + new String(nullbyte);
profileData = align(profileData, 2);
profileData += enc_ushort(port);
profileData = align(profileData, 4);
profileData += new String(iorBytesLastPart);
// Fix the whole IOR
iorByteString = new String(iorBytesFirstPart) + enc_ulong(profileData.length()) +
profileData;
// System.out.print("Start[" + profileData.length() + "]");
// System.out.print("[");
// for(int x = 0; x < iorByteString.length(); x++)
// {
// System.out.print((int) iorByteString.charAt(x) + ",");
// }
// System.out.println("]");
iorString = createIOR(iorByteString);
// System.out.println(iorString);
return iorString;
}
private String enc_ushort(int s)
{
char byteArray[] = {(char) ((s >>> 8) & 0xFF),
(char) ((s >>> 0) & 0xFF)};
return new String(byteArray);
}
private String enc_ulong(int l)
{
char byteArray[] = {(char) ((l >>> 24) & 0xFF),
(char) ((l >>> 16) & 0xFF),
(char) ((l >>> 8) & 0xFF),
(char) ((l >>> 0) & 0xFF)};
return new String(byteArray);
}
private String createIOR(String bytes)
{
int i;
StringBuffer sb = new StringBuffer("IOR:");
for(i = 0; i < bytes.length(); i++)
{
int b = bytes.charAt(i);
if(b<0) b+= 256;
int n1 = b / 16;
int n2 = b % 16;
int c1 = (n1 < 10) ? ('0' + n1) : ('a' + (n1 - 10));
int c2 = (n2 < 10) ? ('0' + n2) : ('a' + (n2 - 10));
sb.append((char)c1);
sb.append((char)c2);
}
return sb.toString();
}
private String align(String buffer, int alignment)
{
String s = buffer;
char nullbyte[] = {0};
int remainder = alignment - (buffer.length() % alignment);
if (remainder == alignment) return s;
for (int i = 0; i < remainder; i++)
{
s += new String(nullbyte);
}
return s;
}
}
|
