http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
public class org.bouncycastle.asn1.x500.DirectoryString extends org.bouncycastle.asn1.ASN1Encodable implements org.bouncycastle.asn1.ASN1Choice, org.bouncycastle.asn1.ASN1String
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.x500.DirectoryString
  super_class: org.bouncycastle.asn1.ASN1Encodable
{
  private org.bouncycastle.asn1.ASN1String string;
    descriptor: Lorg/bouncycastle/asn1/ASN1String;
    flags: (0x0002) ACC_PRIVATE

  public static org.bouncycastle.asn1.x500.DirectoryString getInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/bouncycastle/asn1/x500/DirectoryString;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Object o
         0: .line 23
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.x500.DirectoryString
            ifeq 2
         1: .line 25
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.x500.DirectoryString
            areturn
         2: .line 28
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.DERT61String
            ifeq 4
         3: .line 30
            new org.bouncycastle.asn1.x500.DirectoryString
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.DERT61String
            invokespecial org.bouncycastle.asn1.x500.DirectoryString.<init>:(Lorg/bouncycastle/asn1/DERT61String;)V
            areturn
         4: .line 33
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.DERPrintableString
            ifeq 6
         5: .line 35
            new org.bouncycastle.asn1.x500.DirectoryString
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.DERPrintableString
            invokespecial org.bouncycastle.asn1.x500.DirectoryString.<init>:(Lorg/bouncycastle/asn1/DERPrintableString;)V
            areturn
         6: .line 38
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.DERUniversalString
            ifeq 8
         7: .line 40
            new org.bouncycastle.asn1.x500.DirectoryString
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.DERUniversalString
            invokespecial org.bouncycastle.asn1.x500.DirectoryString.<init>:(Lorg/bouncycastle/asn1/DERUniversalString;)V
            areturn
         8: .line 43
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.DERUTF8String
            ifeq 10
         9: .line 45
            new org.bouncycastle.asn1.x500.DirectoryString
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.DERUTF8String
            invokespecial org.bouncycastle.asn1.x500.DirectoryString.<init>:(Lorg/bouncycastle/asn1/DERUTF8String;)V
            areturn
        10: .line 48
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            instanceof org.bouncycastle.asn1.DERBMPString
            ifeq 12
        11: .line 50
            new org.bouncycastle.asn1.x500.DirectoryString
            dup
            aload 0 /* o */
            checkcast org.bouncycastle.asn1.DERBMPString
            invokespecial org.bouncycastle.asn1.x500.DirectoryString.<init>:(Lorg/bouncycastle/asn1/DERBMPString;)V
            areturn
        12: .line 53
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "illegal object in getInstance: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* o */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.lang.Object o
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  public static org.bouncycastle.asn1.x500.DirectoryString getInstance(org.bouncycastle.asn1.ASN1TaggedObject, boolean);
    descriptor: (Lorg/bouncycastle/asn1/ASN1TaggedObject;Z)Lorg/bouncycastle/asn1/x500/DirectoryString;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.ASN1TaggedObject o
        start local 1 // boolean explicit
         0: .line 58
            iload 1 /* explicit */
            ifne 2
         1: .line 60
            new java.lang.IllegalArgumentException
            dup
            ldc "choice item must be explicitly tagged"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 63
      StackMap locals:
      StackMap stack:
            aload 0 /* o */
            invokevirtual org.bouncycastle.asn1.ASN1TaggedObject.getObject:()Lorg/bouncycastle/asn1/DERObject;
            invokestatic org.bouncycastle.asn1.x500.DirectoryString.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/x500/DirectoryString;
            areturn
        end local 1 // boolean explicit
        end local 0 // org.bouncycastle.asn1.ASN1TaggedObject o
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0         o  Lorg/bouncycastle/asn1/ASN1TaggedObject;
            0    3     1  explicit  Z
    MethodParameters:
          Name  Flags
      o         
      explicit  

  private void <init>(org.bouncycastle.asn1.DERT61String);
    descriptor: (Lorg/bouncycastle/asn1/DERT61String;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
        start local 1 // org.bouncycastle.asn1.DERT61String string
         0: .line 66
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 69
            aload 0 /* this */
            aload 1 /* string */
            putfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
         2: .line 70
            return
        end local 1 // org.bouncycastle.asn1.DERT61String string
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/asn1/x500/DirectoryString;
            0    3     1  string  Lorg/bouncycastle/asn1/DERT61String;
    MethodParameters:
        Name  Flags
      string  

  private void <init>(org.bouncycastle.asn1.DERPrintableString);
    descriptor: (Lorg/bouncycastle/asn1/DERPrintableString;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
        start local 1 // org.bouncycastle.asn1.DERPrintableString string
         0: .line 72
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 75
            aload 0 /* this */
            aload 1 /* string */
            putfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
         2: .line 76
            return
        end local 1 // org.bouncycastle.asn1.DERPrintableString string
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/asn1/x500/DirectoryString;
            0    3     1  string  Lorg/bouncycastle/asn1/DERPrintableString;
    MethodParameters:
        Name  Flags
      string  

  private void <init>(org.bouncycastle.asn1.DERUniversalString);
    descriptor: (Lorg/bouncycastle/asn1/DERUniversalString;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
        start local 1 // org.bouncycastle.asn1.DERUniversalString string
         0: .line 78
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 81
            aload 0 /* this */
            aload 1 /* string */
            putfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
         2: .line 82
            return
        end local 1 // org.bouncycastle.asn1.DERUniversalString string
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/asn1/x500/DirectoryString;
            0    3     1  string  Lorg/bouncycastle/asn1/DERUniversalString;
    MethodParameters:
        Name  Flags
      string  

  private void <init>(org.bouncycastle.asn1.DERUTF8String);
    descriptor: (Lorg/bouncycastle/asn1/DERUTF8String;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
        start local 1 // org.bouncycastle.asn1.DERUTF8String string
         0: .line 84
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 87
            aload 0 /* this */
            aload 1 /* string */
            putfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
         2: .line 88
            return
        end local 1 // org.bouncycastle.asn1.DERUTF8String string
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/asn1/x500/DirectoryString;
            0    3     1  string  Lorg/bouncycastle/asn1/DERUTF8String;
    MethodParameters:
        Name  Flags
      string  

  private void <init>(org.bouncycastle.asn1.DERBMPString);
    descriptor: (Lorg/bouncycastle/asn1/DERBMPString;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
        start local 1 // org.bouncycastle.asn1.DERBMPString string
         0: .line 90
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 93
            aload 0 /* this */
            aload 1 /* string */
            putfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
         2: .line 94
            return
        end local 1 // org.bouncycastle.asn1.DERBMPString string
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/asn1/x500/DirectoryString;
            0    3     1  string  Lorg/bouncycastle/asn1/DERBMPString;
    MethodParameters:
        Name  Flags
      string  

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
        start local 1 // java.lang.String string
         0: .line 96
            aload 0 /* this */
            invokespecial org.bouncycastle.asn1.ASN1Encodable.<init>:()V
         1: .line 98
            aload 0 /* this */
            new org.bouncycastle.asn1.DERUTF8String
            dup
            aload 1 /* string */
            invokespecial org.bouncycastle.asn1.DERUTF8String.<init>:(Ljava/lang/String;)V
            putfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
         2: .line 99
            return
        end local 1 // java.lang.String string
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/asn1/x500/DirectoryString;
            0    3     1  string  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      string  

  public java.lang.String getString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
         0: .line 103
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
            invokeinterface org.bouncycastle.asn1.ASN1String.getString:()Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x500/DirectoryString;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
         0: .line 108
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
            invokeinterface org.bouncycastle.asn1.ASN1String.getString:()Ljava/lang/String;
            areturn
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x500/DirectoryString;

  public org.bouncycastle.asn1.DERObject toASN1Object();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x500.DirectoryString this
         0: .line 123
            aload 0 /* this */
            getfield org.bouncycastle.asn1.x500.DirectoryString.string:Lorg/bouncycastle/asn1/ASN1String;
            checkcast org.bouncycastle.asn1.DEREncodable
            invokeinterface org.bouncycastle.asn1.DEREncodable.getDERObject:()Lorg/bouncycastle/asn1/DERObject;
            areturn
        end local 0 // org.bouncycastle.asn1.x500.DirectoryString this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x500/DirectoryString;
}
SourceFile: "DirectoryString.java"