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1
19
20 package com.maverick.crypto.asn1;
21
22 import java.io.IOException  ;
23
24 public class DERGeneralString
25 extends DERObject implements DERString
26 {
27 private String string;
28
29 public static DERGeneralString getInstance(
30 Object obj)
31 {
32 if (obj == null || obj instanceof DERGeneralString)
33 {
34 return (DERGeneralString) obj;
35 }
36 if (obj instanceof ASN1OctetString)
37 {
38 return new DERGeneralString(((ASN1OctetString) obj).getOctets());
39 }
40 if (obj instanceof ASN1TaggedObject)
41 {
42 return getInstance(((ASN1TaggedObject) obj).getObject());
43 }
44 throw new IllegalArgumentException ("illegal object in getInstance: "
45 + obj.getClass().getName());
46 }
47
48 public static DERGeneralString getInstance(
49 ASN1TaggedObject obj,
50 boolean explicit)
51 {
52 return getInstance(obj.getObject());
53 }
54
55 public DERGeneralString(byte[] string)
56 {
57 char[] cs = new char[string.length];
58 for (int i = 0; i != cs.length; i++) {
59 cs[i] = (char) (string[i] & 0xff);
60 }
61 this.string = new String (cs);
62 }
63
64 public DERGeneralString(String string)
65 {
66 this.string = string;
67 }
68
69 public String getString()
70 {
71 return string;
72 }
73
74 public byte[] getOctets()
75 {
76 char[] cs = string.toCharArray();
77 byte[] bs = new byte[cs.length];
78 for (int i = 0; i != cs.length; i++)
79 {
80 bs[i] = (byte) cs[i];
81 }
82 return bs;
83 }
84
85 void encode(DEROutputStream out)
86 throws IOException
87 {
88 out.writeEncoded(GENERAL_STRING, this.getOctets());
89 }
90
91 public int hashCode()
92 {
93 return this.getString().hashCode();
94 }
95
96 public boolean equals(Object o)
97 {
98 if (!(o instanceof DERGeneralString))
99 {
100 return false;
101 }
102 DERGeneralString s = (DERGeneralString) o;
103 return this.getString().equals(s.getString());
104 }
105 }
106 |
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