netscape.ldap.ber.stream

Class BERTagDecoder

java.lang.Object

netscape.ldap.ber.stream.BERTagDecoder

Direct Known Subclasses:

JDAPBERTagDecoder

public abstract class BERTagDecoder
extends java.lang.Object

This is an abstract class which should be extended for use by the BERTag class in decoding application specific BER tags. Since different applications may define their own tag, the BER package needs a tag decoder to give hints on how to decode implicitly tagged objects. Each application should extend this decoder.

Version:

1.0 seeAlso CCITT X.209

Constructor Summary

Constructors

Constructor and Description
BERTagDecoder()

Method Summary

Modifier and Type	Method and Description
abstract BERElement	getElement(BERTagDecoder decoder, int tag, java.io.InputStream stream, int[] bytes_read, boolean[] implicit) Gets an application specific ber element from an input stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BERTagDecoder

public BERTagDecoder()

Method Detail

getElement

public abstract BERElement getElement(BERTagDecoder decoder,
                                      int tag,
                                      java.io.InputStream stream,
                                      int[] bytes_read,
                                      boolean[] implicit)
                               throws java.io.IOException

Gets an application specific ber element from an input stream.

Parameters:

decoder - an instance of a BERTagDecoder

tag - element tag

stream - source stream

bytes_read - array of 1 int; value incremented by number of bytes read from stream

implicit - array of implicit flags

Throws:

java.io.IOException