com.epam.fix.message
Class RawFIXUtil

java.lang.Object
  com.epam.fix.message.RawFIXUtil

public final class RawFIXUtil
extends Object

Raw fix util helper class. Date: Sep 7, 2008

Nested Class Summary

static interface

RawFIXUtil.RawTags

Field Summary

static DefaultRawTags

DEFAULT_RAW_TAGS

Method Summary

static byte[]	copyValue(byte[] message, int valueStartIndex, int length)
static byte[]	copyValueUsePool(byte[] message, int valueStartIndex, int length)
static RawFIXUtil.RawTags	createRawTags(int[] rawTags) Creates RawTags from array of int.
static RawFIXUtil.RawTags	createRawTags(String rawTags) Creates RawTags from string.
static List<byte[]>	getAllRawValues(byte[] buffer, int offset, int length, int tag) Gets the value from buffer as bytes.
static int	getChecksum(byte[] bytes) Calculates checksum in array of bytes.
static int	getChecksum(byte[][] bytes, int offset, int length) Calculates checksum in matrix of bytes.
static int	getChecksum(byte[] bytes, int offset, int length) Calculates checksum in array of bytes.
static FIXFieldList	getFIXFieldList(byte[] message) Parses fix message from array of bytes.
static FIXFieldList	getFIXFieldList(byte[] message, boolean usePool, boolean isUserOwned)
static FIXFieldList	getFIXFieldList(byte[] message, int[] rawTags) Parses fix message from array of bytes.
static FIXFieldList	getFIXFieldList(byte[] buffer, int messageOffset, int messageLength)
static FIXFieldList	getFIXFieldList(byte[] message, int messageOffset, int messageLength, int[] rawTags) Parses fix message from array of bytes.
static FIXFieldList	getFIXFieldList(byte[] message, int messageOffset, int messageLength, RawFIXUtil.RawTags rawTags)
static FIXFieldList	getFIXFieldList(byte[] message, int messageOffset, int messageLength, RawFIXUtil.RawTags rawTags, boolean allocateFromPool, boolean isUserOwned) Parses fix message from array of bytes.
static FIXFieldList	getFIXFieldList(byte[] message, RawFIXUtil.RawTags rawTags)
static FIXFieldList	getFIXFieldList(FIXFieldList list, byte[] message, int messageOffset, int messageLength, RawFIXUtil.RawTags rawTags)
static FIXFieldList	getFIXFieldList(FIXFieldList list, byte[] message, int messageOffset, int messageLength, RawFIXUtil.RawTags rawTags, boolean clearTheMessageBeforeUse)
static FIXFieldList	getFIXFieldList(FIXFieldList target, MsgBuf buf, RawFIXUtil.RawTags rawTags, boolean clearTheMessageBeforeUse)
static FIXFieldList	getFIXFieldList(MsgBuf buf)
static FIXFieldList	getFIXFieldList(MsgBuf buf, RawFIXUtil.RawTags rawTags)
static FIXFieldList	getFIXFieldListUntilTagsExists(byte[] message, int messageOffset, int messageLength, RawFIXUtil.RawTags rawTags) Parses fix message from array of bytes.
static FIXFieldList	getFIXFieldListUtilTagsExists(byte[] message) Parses fix message from array of bytes.
static long	getLongValue(byte[] buffer, int offset, int length, int tag) Gets the value from buffer as long.
static long	getLongValue(byte[] buffer, int offset, int length, int tag, boolean searchFromStart) Gets the value from buffer as long.
static byte[]	getMessageType(byte[] bytes) Gets the message type.
static byte[]	getMessageType(byte[] bytes, int offset, int length) Gets the message type.
static int	getRawTagLengthFromPreviousField(FIXFieldList list)
static byte[]	getRawValue(byte[] buffer, int offset, int length, int tag) Gets the value from buffer as bytes.
static byte[]	getRawValue(byte[] buffer, int offset, int length, int tag, boolean searchFromStart) Gets the value from buffer as bytes.
static long	getSequenceNumber(byte[] message) Gets sequence number.
static long	getSequenceNumber(byte[] message, int offset, int length) Gets sequence number.
static boolean	isLogon(byte[] msgType) Checks if message type is Logon.
static boolean	isLogon(String msgType) Checks if message type is Logon.
static boolean	isSessionLevelMessage(byte[] message) Checks the message session level type.
static boolean	isSessionLevelMessage(byte[] message, int offset, int length) Checks the message session level type.
static boolean	isSessionLevelMessage(FIXFieldList message)
static boolean	isSessionLevelType(byte[] msgType) Checks the message session level type.
static boolean	isSessionLevelType(byte msgType, int length)
static boolean	isSessionLevelType(String msgType) Checks the message session level type.
static boolean	isWithinRawTags(int[] rawTags, int tag) Deprecated. use RawFIXUtil.createRawTags() instead
static void	returnObj(FIXField field)
static void	returnObj(FIXFieldList fieldList)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_RAW_TAGS

public static final DefaultRawTags DEFAULT_RAW_TAGS

Method Detail

getChecksum

public static int getChecksum(byte[] bytes)

Calculates checksum in array of bytes.

Parameters:

bytes - - array of bytes

getChecksum

public static int getChecksum(byte[] bytes,
                              int offset,
                              int length)

Calculates checksum in array of bytes.

Parameters:

bytes - the array of bytes

offset - the offset in array of bytes

length - the length of bytes

getChecksum

public static int getChecksum(byte[][] bytes,
                              int offset,
                              int length)

Calculates checksum in matrix of bytes.

Parameters:

bytes - the array of bytes

offset - the offset in array of bytes

length - the length of bytes

getRawValue

public static byte[] getRawValue(byte[] buffer,
                                 int offset,
                                 int length,
                                 int tag)

Gets the value from buffer as bytes.

Parameters:

buffer - the buffer of bytes

offset - the offset in buffer

length - the buffer length

tag - the tag id

getRawValue

public static byte[] getRawValue(byte[] buffer,
                                 int offset,
                                 int length,
                                 int tag,
                                 boolean searchFromStart)

Gets the value from buffer as bytes.

Parameters:

buffer - the buffer of bytes

offset - the offset in buffer

length - the buffer length

tag - the tag id

searchFromStart - search from start or end of the given buffer

getAllRawValues

public static List<byte[]> getAllRawValues(byte[] buffer,
                                           int offset,
                                           int length,
                                           int tag)

Gets the value from buffer as bytes.

Parameters:

buffer - the buffer of bytes

offset - the offset in buffer

length - the buffer length

tag - the tag id

getLongValue

public static long getLongValue(byte[] buffer,
                                int offset,
                                int length,
                                int tag)

Gets the value from buffer as long.

Parameters:

buffer - the buffer of bytes

offset - the offset in buffer

length - the buffer length

tag - the tag id

Throws:

RuntimeException - if tag not exists

getLongValue

public static long getLongValue(byte[] buffer,
                                int offset,
                                int length,
                                int tag,
                                boolean searchFromStart)

Gets the value from buffer as long.

Parameters:

buffer - the buffer of bytes

offset - the offset in buffer

length - the buffer length

tag - the tag id

searchFromStart - search from the start or end buffer

Throws:

RuntimeException - if tag not exists

getSequenceNumber

public static long getSequenceNumber(byte[] message)

Gets sequence number.

Parameters:

message - the buffer of bytes

Throws:

RuntimeException - if tag not exists

getSequenceNumber

public static long getSequenceNumber(byte[] message,
                                     int offset,
                                     int length)

Gets sequence number.

Parameters:

message - the buffer of bytes

Throws:

RuntimeException - if tag not exists

getFIXFieldList

public static FIXFieldList getFIXFieldList(byte[] buffer,
                                           int messageOffset,
                                           int messageLength)

getFIXFieldList

public static FIXFieldList getFIXFieldList(MsgBuf buf)

getFIXFieldList

public static FIXFieldList getFIXFieldList(MsgBuf buf,
                                           RawFIXUtil.RawTags rawTags)

getFIXFieldList

public static FIXFieldList getFIXFieldList(FIXFieldList target,
                                           MsgBuf buf,
                                           RawFIXUtil.RawTags rawTags,
                                           boolean clearTheMessageBeforeUse)

getFIXFieldList

public static FIXFieldList getFIXFieldList(byte[] message)

Parses fix message from array of bytes.

Parameters:

message - the buffer of bytes

Throws:

GarbledMessageException - - if message is garbled

getFIXFieldList

public static FIXFieldList getFIXFieldList(byte[] message,
                                           boolean usePool,
                                           boolean isUserOwned)

getFIXFieldListUtilTagsExists

public static FIXFieldList getFIXFieldListUtilTagsExists(byte[] message)

Parses fix message from array of bytes.

Parameters:

message - the buffer of bytes

Throws:

GarbledMessageException - - if message is garbled

getFIXFieldList

public static FIXFieldList getFIXFieldList(byte[] message,
                                           int[] rawTags)

Parses fix message from array of bytes.

Parameters:

message - the buffer of bytes

rawTags - the raw tags

Throws:

GarbledMessageException - - if message is garbled

getFIXFieldList

public static FIXFieldList getFIXFieldList(byte[] message,
                                           RawFIXUtil.RawTags rawTags)

getFIXFieldList

public static FIXFieldList getFIXFieldList(byte[] message,
                                           int messageOffset,
                                           int messageLength,
                                           int[] rawTags)

Parses fix message from array of bytes.

Parameters:

message - the buffer of bytes

rawTags - the raw tags

Throws:

GarbledMessageException - - if message is garbled

getFIXFieldList

public static FIXFieldList getFIXFieldList(byte[] message,
                                           int messageOffset,
                                           int messageLength,
                                           RawFIXUtil.RawTags rawTags)

getFIXFieldList

public static FIXFieldList getFIXFieldList(byte[] message,
                                           int messageOffset,
                                           int messageLength,
                                           RawFIXUtil.RawTags rawTags,
                                           boolean allocateFromPool,
                                           boolean isUserOwned)

Parses fix message from array of bytes.

Parameters:

message - the buffer of bytes

rawTags - the raw tags

Returns:

instance of parsed message

Throws:

GarbledMessageException - - if message is garbled

getFIXFieldList

public static FIXFieldList getFIXFieldList(FIXFieldList list,
                                           byte[] message,
                                           int messageOffset,
                                           int messageLength,
                                           RawFIXUtil.RawTags rawTags)

getFIXFieldList

public static FIXFieldList getFIXFieldList(FIXFieldList list,
                                           byte[] message,
                                           int messageOffset,
                                           int messageLength,
                                           RawFIXUtil.RawTags rawTags,
                                           boolean clearTheMessageBeforeUse)

getFIXFieldListUntilTagsExists

public static FIXFieldList getFIXFieldListUntilTagsExists(byte[] message,
                                                          int messageOffset,
                                                          int messageLength,
                                                          RawFIXUtil.RawTags rawTags)

Parses fix message from array of bytes.

Parameters:

message - the buffer of bytes

rawTags - the raw tags

Returns:

instance of parsed message

Throws:

GarbledMessageException - - if message is garbled

returnObj

public static void returnObj(FIXField field)

returnObj

public static void returnObj(FIXFieldList fieldList)

copyValueUsePool

public static byte[] copyValueUsePool(byte[] message,
                                      int valueStartIndex,
                                      int length)

copyValue

public static byte[] copyValue(byte[] message,
                               int valueStartIndex,
                               int length)

getRawTagLengthFromPreviousField

public static int getRawTagLengthFromPreviousField(FIXFieldList list)

isWithinRawTags

@Deprecated
public static boolean isWithinRawTags(int[] rawTags,
                                                 int tag)

Deprecated. use RawFIXUtil.createRawTags() instead

Checks if tag exist in array of tags.

Parameters:

rawTags - the array of tags

tag - the tag id

Returns:

true if exists

getMessageType

public static byte[] getMessageType(byte[] bytes)

Gets the message type. If type is unknown return empty array.

Parameters:

bytes - the message

getMessageType

public static byte[] getMessageType(byte[] bytes,
                                    int offset,
                                    int length)

Gets the message type. If type is unknown return empty array.

Parameters:

bytes - the message

isSessionLevelMessage

public static boolean isSessionLevelMessage(byte[] message,
                                            int offset,
                                            int length)

Checks the message session level type.

Parameters:

message - the fix message

Returns:

true if message is level session message

isSessionLevelMessage

public static boolean isSessionLevelMessage(byte[] message)

Checks the message session level type.

Parameters:

message - the fix message

Returns:

true if message is level session message

isSessionLevelMessage

public static boolean isSessionLevelMessage(FIXFieldList message)

isSessionLevelType

public static boolean isSessionLevelType(String msgType)

Checks the message session level type.

Parameters:

msgType - the message type

Returns:

true if message is level session message

isSessionLevelType

public static boolean isSessionLevelType(byte[] msgType)

Checks the message session level type.

Parameters:

msgType - the fix message

Returns:

true if message is level session message

isSessionLevelType

public static boolean isSessionLevelType(byte msgType,
                                         int length)

isLogon

public static boolean isLogon(String msgType)

Checks if message type is Logon.

Parameters:

msgType - the message type, parameter must be not null

Returns:

true if is

isLogon

public static boolean isLogon(byte[] msgType)

Checks if message type is Logon.

Parameters:

msgType - the message type, parameter must be not null

Returns:

true if is

createRawTags

public static RawFIXUtil.RawTags createRawTags(int[] rawTags)

Creates RawTags from array of int.

Parameters:

rawTags -

Returns:

RawTags

createRawTags

public static RawFIXUtil.RawTags createRawTags(String rawTags)

Creates RawTags from string. The raw tags should be separate by ',' , ' ' or '.'.

Parameters:

rawTags -

Returns:

RawTags