uk.co.weft.iso8211
Class Leader

java.lang.Object
  |
  +--uk.co.weft.iso8211.Leader

public class Leader

extends java.lang.Object

The leader of an ISO 8211 record. Based heavily on Leader in iso8211.py

Version:

$Revision: 1.2 $ This revision: $Author: simon $

  $Log: Leader.java,v $
  Revision 1.2  2002/11/02 00:09:16  simon
  Promising, but still not there. Problems include not correctly finding
  the start of the next record.

  Revision 1.1.1.1  2002/10/29 11:27:33  simon
  More or less parses


  

Author:

Simon Brooke (simon@jasmine.org.uk)

Field Summary

protected int	appIndicator the application indicator (DDR only) TODO: should this be boolean?
protected int	baseAddress offset (?) to the start of fields
protected int	extendedCharSet the extended character set indicator (DDR only) TODO: should this be boolean?
protected int	fieldControlLength the field control length (?) (DDR only)
protected int	fieldLengthSz The size of the length of each field
protected int	fieldPositionSz The size of the position of each field
protected int	fieldTagSz The size of the tag of each field
protected int	id my leader ID -- effectively the record type.
protected int	inlineCodeExt the inline code extension indicator.
protected int	interchangeLevel the 'interchange level' (DDR only)
protected int	length the length of the record in which I occur
protected long	position the position at which I was found in the input stream
protected int	version the ISO8211 version `number' (DDR only)

Constructor Summary

Leader(ISO8211InputStream in, Record record, Record ddr, boolean debug)
create and return a Leader object by reading from the current point in this stream

Method Summary

protected void

interpretHeader() assuming I'm not a DDR record, interpret my raw header

Methods inherited from class java.lang.Object

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

Field Detail

position

protected long position

the position at which I was found in the input stream

length

protected int length

the length of the record in which I occur

id

protected int id

my leader ID -- effectively the record type.

baseAddress

protected int baseAddress

offset (?) to the start of fields

fieldLengthSz

protected int fieldLengthSz

The size of the length of each field

fieldPositionSz

protected int fieldPositionSz

The size of the position of each field

fieldTagSz

protected int fieldTagSz

The size of the tag of each field

interchangeLevel

protected int interchangeLevel

the 'interchange level' (DDR only)

inlineCodeExt

protected int inlineCodeExt

the inline code extension indicator. (DDR only) TODO: should this be boolean?

version

protected int version

the ISO8211 version `number' (DDR only)

appIndicator

protected int appIndicator

the application indicator (DDR only) TODO: should this be boolean?

fieldControlLength

protected int fieldControlLength

the field control length (?) (DDR only)

extendedCharSet

protected int extendedCharSet

the extended character set indicator (DDR only) TODO: should this be boolean?

Constructor Detail

Leader

public Leader(ISO8211InputStream in,
              Record record,
              Record ddr,
              boolean debug)
       throws FormatException

create and return a Leader object by reading from the current point in this stream

Parameters:

in - the stream to read me from

record - the record of which I form part

ddr - the data description record for this file

debug - whether or not I'm in debug mode

Method Detail

interpretHeader

protected void interpretHeader()
                        throws java.lang.Exception

assuming I'm not a DDR record, interpret my raw header