com.github.hypfvieh.util

Class FixUtil

java.lang.Object

com.github.hypfvieh.util.FixUtil

public final class FixUtil
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIX_DELIM

Method Summary

Modifier and Type	Method and Description
static int	calculateFixBodyLength(String _msg) Calculates the body length of the given message.
static int	calculateFixBodyLength(String _msg, char _delimiter) Calculates the body length of the given message.
static String	calculateFixCheckSum(String _msg, char _delim) Calculates the checksum of the message.
static String	getDelimiterFromFixMsgStr(String _line) Extract delimiter of FixMessageString.
static String	getFixTagValueFromString(String _msg, char _delimiter, int _tag) Get a value from a FixMessage String.
static String	getFixTagValueFromString(String _msg, int _tag) Get a value from a FixMessage String.
static boolean	looksLikeFixMsg(String _msg) Checks if given String looks like a FIX message.
static String	setFixTagOnMsgStr(String _msg, int _tag, String _value) Tries to update a fix message by setting _tag to _value.
static String	setFixTagOnMsgStr(String _msg, int _tag, String _value, char _delim) Tries to update a fix message by setting _tag to _value.
static String	updateFixBodyLength(String _msg) Calculates the bodylength of a messages and writes it to tag 9.
static String	updateFixCheckSum(String _msg) Sets the correct checksum in tag 10.

Methods inherited from class java.lang.Object

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

Field Detail

FIX_DELIM

public static final String FIX_DELIM

See Also:

Constant Field Values

Method Detail

getDelimiterFromFixMsgStr

public static String getDelimiterFromFixMsgStr(String _line)

Extract delimiter of FixMessageString.

Parameters:

_line - line to read

Returns:

delimiter or null

getFixTagValueFromString

public static String getFixTagValueFromString(String _msg,
                                              char _delimiter,
                                              int _tag)

Get a value from a FixMessage String.

Parameters:

_msg - string fix message to parse

_delimiter - delimiter to use

_tag - tag to find

Returns:

value or null if tag could not be found

getFixTagValueFromString

public static String getFixTagValueFromString(String _msg,
                                              int _tag)

Get a value from a FixMessage String.

Parameters:

_msg - fix message as string

_tag - tag to read

Returns:

value or null if tag could not be found

setFixTagOnMsgStr

public static String setFixTagOnMsgStr(String _msg,
                                       int _tag,
                                       String _value)

Tries to update a fix message by setting _tag to _value. If _tag is not found, it is appended. This method also ensures that the header and trailer tags are in correct order.

Parameters:

_msg - fix message as string

_tag - tag to write

_value - value for tag

Returns:

string with added/changed tag value

setFixTagOnMsgStr

public static String setFixTagOnMsgStr(String _msg,
                                       int _tag,
                                       String _value,
                                       char _delim)

Tries to update a fix message by setting _tag to _value. If _tag is not found, it is appended. This method also ensures that the header and trailer tags are in correct order.

Parameters:

_msg - fix message as string

_tag - tag to write

_value - value to set

_delim - delimiter to use

Returns:

string with added/changed tag value

calculateFixBodyLength

public static int calculateFixBodyLength(String _msg)

Calculates the body length of the given message.

Parameters:

_msg - fix message as string

Returns:

checksum

calculateFixBodyLength

public static int calculateFixBodyLength(String _msg,
                                         char _delimiter)

Calculates the body length of the given message.

Parameters:

_msg - fix message as string

_delimiter - delimiter to use

Returns:

body length

updateFixBodyLength

public static String updateFixBodyLength(String _msg)

Calculates the bodylength of a messages and writes it to tag 9.

Parameters:

_msg - fix message as string

Returns:

message with updated body length

calculateFixCheckSum

public static String calculateFixCheckSum(String _msg,
                                          char _delim)

Calculates the checksum of the message.

Parameters:

_msg - fix message as string

_delim - delimiter to use

Returns:

checksum

updateFixCheckSum

public static String updateFixCheckSum(String _msg)

Sets the correct checksum in tag 10.

Parameters:

_msg - fix message as string

Returns:

fix message with updated checksum

looksLikeFixMsg

public static boolean looksLikeFixMsg(String _msg)

Checks if given String looks like a FIX message.

Parameters:

_msg - fix message as string

Returns:

true if format matches a FIX message, false otherwise