content: package local.org.bouncycastle.asn1;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  
  public abstract class ASN1Object
      implements ASN1Encodable
  {
      /**
       * Return the default BER or DER encoding for this object.
       *
       * @return BER/DER byte encoded object.
       * @throws java.io.IOException on encoding error.
       */
      public byte[] getEncoded()
          throws IOException
      {
          ByteArrayOutputStream bOut = new ByteArrayOutputStream();
          ASN1OutputStream      aOut = new ASN1OutputStream(bOut);
  
          aOut.writeObject(this);
  
          return bOut.toByteArray();
      }
  
      /**
       * Return either the default for "BER" or a DER encoding if "DER" is specified.
       *
       * @param encoding name of encoding to use.
       * @return byte encoded object.
       * @throws IOException on encoding error.
       */
      public byte[] getEncoded(
          String encoding)
          throws IOException
      {
          if (encoding.equals(ASN1Encoding.DER))
          {
              ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
              DEROutputStream         dOut = new DEROutputStream(bOut);
  
              dOut.writeObject(this);
  
              return bOut.toByteArray();
          }
          else if (encoding.equals(ASN1Encoding.DL))
          {
              ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
              DLOutputStream          dOut = new DLOutputStream(bOut);
  
              dOut.writeObject(this);
  
              return bOut.toByteArray();
          }
  
          return this.getEncoded();
      }
  
      public int hashCode()
      {
          return this.toASN1Primitive().hashCode();
      }
  
      public boolean equals(
          Object  o)
      {
          if (this == o)
          {
              return true;
          }
  
          if (!(o instanceof ASN1Encodable))
          {
              return false;
          }
  
          ASN1Encodable other = (ASN1Encodable)o;
  
          return this.toASN1Primitive().equals(other.toASN1Primitive());
      }
  
      /**
       * @deprecated use toASN1Primitive()
       * @return the underlying primitive type.
       */
      public ASN1Primitive toASN1Object()
      {
          return this.toASN1Primitive();
      }
  
      protected static boolean hasEncodedTagValue(Object obj, int tagValue)
      {
          return (obj instanceof byte[]) && ((byte[])obj)[0] == tagValue;
      }
  
      public abstract ASN1Primitive toASN1Primitive();
  }
  