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1 package com.lowagie.bc.asn1;
2
3 import java.io.IOException;
4
5 public class DERGeneralString
6 extends DERObject implements DERString
7 {
8 private String string;
9
10 public static DERGeneralString getInstance(
11 Object obj)
12 {
13 if (obj == null || obj instanceof DERGeneralString)
14 {
15 return (DERGeneralString) obj;
16 }
17 if (obj instanceof ASN1OctetString)
18 {
19 return new DERGeneralString(((ASN1OctetString) obj).getOctets());
20 }
21 if (obj instanceof ASN1TaggedObject)
22 {
23 return getInstance(((ASN1TaggedObject) obj).getObject());
24 }
25 throw new IllegalArgumentException("illegal object in getInstance: "
26 + obj.getClass().getName());
27 }
28
29 public static DERGeneralString getInstance(
30 ASN1TaggedObject obj,
31 boolean explicit)
32 {
33 return getInstance(obj.getObject());
34 }
35
36 public DERGeneralString(byte[] string)
37 {
38 char[] cs = new char[string.length];
39 for (int i = 0; i != cs.length; i++) {
40 cs[i] = (char) (string[i] & 0xff);
41 }
42 this.string = new String(cs);
43 }
44
45 public DERGeneralString(String string)
46 {
47 this.string = string;
48 }
49
50 public String getString()
51 {
52 return string;
53 }
54
55 public byte[] getOctets()
56 {
57 char[] cs = string.toCharArray();
58 byte[] bs = new byte[cs.length];
59 for (int i = 0; i != cs.length; i++)
60 {
61 bs[i] = (byte) cs[i];
62 }
63 return bs;
64 }
65
66 void encode(DEROutputStream out)
67 throws IOException
68 {
69 out.writeEncoded(GENERAL_STRING, this.getOctets());
70 }
71
72 public int hashCode()
73 {
74 return this.getString().hashCode();
75 }
76
77 public boolean equals(Object o)
78 {
79 if (!(o instanceof DERGeneralString))
80 {
81 return false;
82 }
83 DERGeneralString s = (DERGeneralString) o;
84 return this.getString().equals(s.getString());
85 }
86 }
87 |
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