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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/*
* Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.security.x509;
import java.util.*;
import java.io.IOException;
import sun.security.util.*;
/**
* This object class represents the GeneralNames type required in
* X509 certificates.
* <p>The ASN.1 syntax for this is:
* <pre>
* GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName
* </pre>
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
*
*/
public class GeneralNames {
private final List<GeneralName> names;
/**
* Create the GeneralNames, decoding from the passed DerValue.
*
* @param derVal the DerValue to construct the GeneralNames from.
* @exception IOException on error.
*/
public GeneralNames(DerValue derVal) throws IOException {
this();
if (derVal.tag != DerValue.tag_Sequence) {
throw new IOException("Invalid encoding for GeneralNames.");
}
if (derVal.data.available() == 0) {
throw new IOException("No data available in "
+ "passed DER encoded value.");
}
// Decode all the GeneralName's
while (derVal.data.available() != 0) {
DerValue encName = derVal.data.getDerValue();
GeneralName name = new GeneralName(encName);
add(name);
}
}
/**
* The default constructor for this class.
*/
public GeneralNames() {
names = new ArrayList<GeneralName>();
}
public GeneralNames add(GeneralName name) {
if (name == null) {
throw new NullPointerException();
}
names.add(name);
return this;
}
public GeneralName get(int index) {
return names.get(index);
}
public boolean isEmpty() {
return names.isEmpty();
}
public int size() {
return names.size();
}
public Iterator<GeneralName> iterator() {
return names.iterator();
}
public List<GeneralName> names() {
return names;
}
/**
* Write the extension to the DerOutputStream.
*
* @param out the DerOutputStream to write the extension to.
* @exception IOException on error.
*/
public void encode(DerOutputStream out) throws IOException {
if (isEmpty()) {
return;
}
DerOutputStream temp = new DerOutputStream();
for (GeneralName gn : names) {
gn.encode(temp);
}
out.write(DerValue.tag_Sequence, temp);
}
/**
* compare this GeneralNames to other object for equality
*
* @returns true iff this equals other
*/
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof GeneralNames == false) {
return false;
}
GeneralNames other = (GeneralNames)obj;
return this.names.equals(other.names);
}
public int hashCode() {
return names.hashCode();
}
public String toString() {
return names.toString();
}
}
|
