|
1
17
18 package org.apache.geronimo.util.asn1;
19
20 import java.io.ByteArrayInputStream  ;
21 import java.io.ByteArrayOutputStream ;
22 import java.io.IOException ;
23
24
27 public class DERApplicationSpecific
28 extends DERObject
29 {
30 private int tag;
31 private byte[] octets;
32
33 public DERApplicationSpecific(
34 int tag,
35 byte[] octets)
36 {
37 this.tag = tag;
38 this.octets = octets;
39 }
40
41 public DERApplicationSpecific(
42 int tag,
43 DEREncodable object)
44 throws IOException
45 {
46 this.tag = tag | DERTags.CONSTRUCTED;
47
48 ByteArrayOutputStream baos = new ByteArrayOutputStream ();
49 DEROutputStream dos = new DEROutputStream(baos);
50
51 dos.writeObject(object);
52
53 this.octets = baos.toByteArray();
54 }
55
56 public boolean isConstructed()
57 {
58 return (tag & DERTags.CONSTRUCTED) != 0;
59 }
60
61 public byte[] getContents()
62 {
63 return octets;
64 }
65
66 public int getApplicationTag()
67 {
68 return tag & 0x1F;
69 }
70
71 public DERObject getObject()
72 throws IOException
73 {
74 return new ASN1InputStream(new ByteArrayInputStream (getContents())).readObject();
75 }
76
77
80 void encode(DEROutputStream out) throws IOException
81 {
82 out.writeEncoded(DERTags.APPLICATION | tag, octets);
83 }
84
85 public boolean equals(
86 Object o)
87 {
88 if ((o == null) || !(o instanceof DERApplicationSpecific))
89 {
90 return false;
91 }
92
93 DERApplicationSpecific other = (DERApplicationSpecific)o;
94
95 if (tag != other.tag)
96 {
97 return false;
98 }
99
100 if (octets.length != other.octets.length)
101 {
102 return false;
103 }
104
105 for (int i = 0; i < octets.length; i++)
106 {
107 if (octets[i] != other.octets[i])
108 {
109 return false;
110 }
111 }
112
113 return true;
114 }
115
116 public int hashCode()
117 {
118 byte[] b = this.getContents();
119 int value = 0;
120
121 for (int i = 0; i != b.length; i++)
122 {
123 value ^= (b[i] & 0xff) << (i % 4);
124 }
125
126 return value ^ this.getApplicationTag();
127 }
128 }
129 |
Popular Tags |
Java API By Example, From Geeks To Geeks.