001 package org.apache.commons.ssl.asn1; 002 003 import java.io.IOException; 004 005 public class DERGeneralString 006 extends ASN1Object implements DERString { 007 private String string; 008 009 public static DERGeneralString getInstance( 010 Object obj) { 011 if (obj == null || obj instanceof DERGeneralString) { 012 return (DERGeneralString) obj; 013 } 014 if (obj instanceof ASN1OctetString) { 015 return new DERGeneralString(((ASN1OctetString) obj).getOctets()); 016 } 017 if (obj instanceof ASN1TaggedObject) { 018 return getInstance(((ASN1TaggedObject) obj).getObject()); 019 } 020 throw new IllegalArgumentException("illegal object in getInstance: " 021 + obj.getClass().getName()); 022 } 023 024 public static DERGeneralString getInstance( 025 ASN1TaggedObject obj, 026 boolean explicit) { 027 return getInstance(obj.getObject()); 028 } 029 030 public DERGeneralString(byte[] string) { 031 char[] cs = new char[string.length]; 032 for (int i = 0; i != cs.length; i++) { 033 cs[i] = (char) (string[i] & 0xff); 034 } 035 this.string = new String(cs); 036 } 037 038 public DERGeneralString(String string) { 039 this.string = string; 040 } 041 042 public String getString() { 043 return string; 044 } 045 046 public String toString() { 047 return string; 048 } 049 050 public byte[] getOctets() { 051 char[] cs = string.toCharArray(); 052 byte[] bs = new byte[cs.length]; 053 for (int i = 0; i != cs.length; i++) { 054 bs[i] = (byte) cs[i]; 055 } 056 return bs; 057 } 058 059 void encode(DEROutputStream out) 060 throws IOException { 061 out.writeEncoded(GENERAL_STRING, this.getOctets()); 062 } 063 064 public int hashCode() { 065 return this.getString().hashCode(); 066 } 067 068 boolean asn1Equals(DERObject o) { 069 if (!(o instanceof DERGeneralString)) { 070 return false; 071 } 072 DERGeneralString s = (DERGeneralString) o; 073 return this.getString().equals(s.getString()); 074 } 075 }