org.tn5250j.framework.tn5250

Class Stream5250

java.lang.Object

org.tn5250j.framework.tn5250.Stream5250

public class Stream5250
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
byte[]	buffer
int	dataStart
int	opCode
static int	OPCODE_OFFSET
int	pos
int	streamSize

Constructor Summary

Constructors

Constructor and Description
Stream5250()
Stream5250(byte[] abyte0)

Method Summary

Modifier and Type	Method and Description
byte	getByteOffset(int off)
int	getCurrentPos() Returns where we are in the buffer
byte	getNextByte()
int	getOpCode()
byte[]	getSegment() This routine will retrieve a segment based on the first two bytes being the length of the segment.
void	getSegment(byte[] segment, int length, boolean adjustPos) This routine will retrieve a byte array based on the first two bytes being the length of the segment.
boolean	hasNext() Determines if any more bytes are available in the buffer to be processed.
void	initialize(byte[] abyte0) This method takes a byte array and initializes the object information to be used.
void	setPrevByte()
boolean	size()

Methods inherited from class java.lang.Object

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

Field Detail

OPCODE_OFFSET

public static final int OPCODE_OFFSET

See Also:

Constant Field Values

streamSize

public int streamSize

opCode

public int opCode

dataStart

public int dataStart

pos

public int pos

buffer

public byte[] buffer

Constructor Detail

Stream5250

public Stream5250(byte[] abyte0)

Stream5250

public Stream5250()

Method Detail

initialize

public void initialize(byte[] abyte0)

This method takes a byte array and initializes the object information to be used.

Parameters:

abyte0 - bytes

getOpCode

public final int getOpCode()

getNextByte

public final byte getNextByte()
                       throws Exception

Throws:

Exception

setPrevByte

public final void setPrevByte()
                       throws Exception

Throws:

Exception

getCurrentPos

public final int getCurrentPos()

Returns where we are in the buffer

Returns:

position in the buffer

getByteOffset

public final byte getByteOffset(int off)
                         throws Exception

Throws:

Exception

size

public final boolean size()

hasNext

public final boolean hasNext()

Determines if any more bytes are available in the buffer to be processed.

Returns:

yes or no

getSegment

public final byte[] getSegment()
                        throws Exception

This routine will retrieve a segment based on the first two bytes being the length of the segment.

Returns:

a new byte array containing the bytes of the segment.

Throws:

Exception - exception

getSegment

public final void getSegment(byte[] segment,
                             int length,
                             boolean adjustPos)
                      throws Exception

This routine will retrieve a byte array based on the first two bytes being the length of the segment.

Parameters:

segment - - byte array

length - - length of segment to return

adjustPos - - adjust the position of the buffer to the end of the seg ment

Throws:

Exception - exception