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.DERExternalParser implements org.bouncycastle.asn1.DEREncodable, org.bouncycastle.asn1.InMemoryRepresentable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.DERExternalParser
  super_class: java.lang.Object
{
  private org.bouncycastle.asn1.ASN1StreamParser _parser;
    descriptor: Lorg/bouncycastle/asn1/ASN1StreamParser;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.asn1.ASN1StreamParser);
    descriptor: (Lorg/bouncycastle/asn1/ASN1StreamParser;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.DERExternalParser this
        start local 1 // org.bouncycastle.asn1.ASN1StreamParser parser
         0: .line 13
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 15
            aload 0 /* this */
            aload 1 /* parser */
            putfield org.bouncycastle.asn1.DERExternalParser._parser:Lorg/bouncycastle/asn1/ASN1StreamParser;
         2: .line 16
            return
        end local 1 // org.bouncycastle.asn1.ASN1StreamParser parser
        end local 0 // org.bouncycastle.asn1.DERExternalParser this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/asn1/DERExternalParser;
            0    3     1  parser  Lorg/bouncycastle/asn1/ASN1StreamParser;
    MethodParameters:
        Name  Flags
      parser  

  public org.bouncycastle.asn1.DEREncodable readObject();
    descriptor: ()Lorg/bouncycastle/asn1/DEREncodable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.DERExternalParser this
         0: .line 21
            aload 0 /* this */
            getfield org.bouncycastle.asn1.DERExternalParser._parser:Lorg/bouncycastle/asn1/ASN1StreamParser;
            invokevirtual org.bouncycastle.asn1.ASN1StreamParser.readObject:()Lorg/bouncycastle/asn1/DEREncodable;
            areturn
        end local 0 // org.bouncycastle.asn1.DERExternalParser this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/DERExternalParser;
    Exceptions:
      throws java.io.IOException

  public org.bouncycastle.asn1.DERObject getLoadedObject();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.bouncycastle.asn1.DERExternalParser this
         0: .line 29
            new org.bouncycastle.asn1.DERExternal
            dup
            aload 0 /* this */
            getfield org.bouncycastle.asn1.DERExternalParser._parser:Lorg/bouncycastle/asn1/ASN1StreamParser;
            invokevirtual org.bouncycastle.asn1.ASN1StreamParser.readVector:()Lorg/bouncycastle/asn1/ASN1EncodableVector;
            invokespecial org.bouncycastle.asn1.DERExternal.<init>:(Lorg/bouncycastle/asn1/ASN1EncodableVector;)V
         1: areturn
         2: .line 31
      StackMap locals:
      StackMap stack: java.lang.IllegalArgumentException
            astore 1 /* e */
        start local 1 // java.lang.IllegalArgumentException e
         3: .line 33
            new org.bouncycastle.asn1.ASN1Exception
            dup
            aload 1 /* e */
            invokevirtual java.lang.IllegalArgumentException.getMessage:()Ljava/lang/String;
            aload 1 /* e */
            invokespecial org.bouncycastle.asn1.ASN1Exception.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.lang.IllegalArgumentException e
        end local 0 // org.bouncycastle.asn1.DERExternalParser this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/asn1/DERExternalParser;
            3    4     1     e  Ljava/lang/IllegalArgumentException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.IllegalArgumentException
    Exceptions:
      throws java.io.IOException

  public org.bouncycastle.asn1.DERObject getDERObject();
    descriptor: ()Lorg/bouncycastle/asn1/DERObject;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.bouncycastle.asn1.DERExternalParser this
         0: .line 41
            aload 0 /* this */
            invokevirtual org.bouncycastle.asn1.DERExternalParser.getLoadedObject:()Lorg/bouncycastle/asn1/DERObject;
         1: areturn
         2: .line 43
      StackMap locals:
      StackMap stack: java.io.IOException
            astore 1 /* ioe */
        start local 1 // java.io.IOException ioe
         3: .line 45
            new org.bouncycastle.asn1.ASN1ParsingException
            dup
            ldc "unable to get DER object"
            aload 1 /* ioe */
            invokespecial org.bouncycastle.asn1.ASN1ParsingException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.io.IOException ioe
         4: .line 47
      StackMap locals:
      StackMap stack: java.lang.IllegalArgumentException
            astore 1 /* ioe */
        start local 1 // java.lang.IllegalArgumentException ioe
         5: .line 49
            new org.bouncycastle.asn1.ASN1ParsingException
            dup
            ldc "unable to get DER object"
            aload 1 /* ioe */
            invokespecial org.bouncycastle.asn1.ASN1ParsingException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.lang.IllegalArgumentException ioe
        end local 0 // org.bouncycastle.asn1.DERExternalParser this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/bouncycastle/asn1/DERExternalParser;
            3    4     1   ioe  Ljava/io/IOException;
            5    6     1   ioe  Ljava/lang/IllegalArgumentException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.io.IOException
           0     1       4  Class java.lang.IllegalArgumentException
}
SourceFile: "DERExternalParser.java"