com.highqsoft.transformer

Class ParserHelper

java.lang.Object

com.highqsoft.transformer.ParserHelper

public class ParserHelper
extends java.lang.Object

This helper provide methods to parse string data and convert it to native datatypes.
It is also able to convert native datatypes into strings.

Since:

$Date: 2017/04/06 13:30:33 $

Version:

$Revision: 1.10 $

Author:

Andreas Hofmann

See Also:

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ODS_DATE_FORMAT The ASAM ODS date format.

Constructor Summary

Constructors

Constructor and Description
ParserHelper()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	parseBoolean(java.lang.String literal) Parse a boolean value from string.
static boolean	parseBoolean(java.lang.String literal, java.lang.String format) Parse a boolean value from string.
static int	parseByte(java.lang.String literal) Parse a byte value from string.
static byte	parseByte(java.lang.String literal, java.lang.String format) Parse a byte value from string.
static double[]	parseComplex(java.lang.String literal) Parse a complex value from string.
static double[]	parseComplex(java.lang.String literal, java.lang.String format) Parse a complex value from string.
static java.util.Date	parseDate(java.lang.String literal) Parse a Date value from string.
static java.util.Date	parseDate(java.lang.String literal, java.lang.String format) Parse a Date value from string.
static double	parseDouble(java.lang.String literal) Parse a double value from string.
static double	parseDouble(java.lang.String literal, java.lang.String format) Parse a double value from string.
static float	parseFloat(java.lang.String literal) Parse a float value from string.
static float	parseFloat(java.lang.String literal, java.lang.String format) Parse a float value from string.
static int	parseInt(java.lang.String literal) Parse a int value from string.
static int	parseInt(java.lang.String literal, java.lang.String format) Parse a integer value from string.
static long	parseLong(java.lang.String literal) Parse a long value from string.
static long	parseLong(java.lang.String literal, java.lang.String format) Parse a long value from string.
static long[]	parseLongLong(java.lang.String literal) Parse a LongLong value from string.
static long[]	parseLongLong(java.lang.String literal, java.lang.String format) Parse a LongLong value from string.
static short	parseShort(java.lang.String literal) Parse a short value from string.
static short	parseShort(java.lang.String literal, java.lang.String format) Parse a short value from string.
static TS_Union	parseTS_Union(java.lang.String literal, DataType datatype) Parse a literal vai the given but optional format and assume the given datatype.
static TS_Union	parseTS_Union(java.lang.String literal, java.lang.String format, DataType datatype) Parse a literal vai the given but optional format and assume the given datatype.
static java.lang.String	toString(T_COMPLEX s) Get the string presentation of the dattype T_COMPLEX
static java.lang.String	toString(T_DCOMPLEX s) Get the string presentation of the dattype T_DCOMPLEX
static java.lang.String	toString(T_LONGLONG s) Get the string presentation of the dattype T_LONGLONG

Methods inherited from class java.lang.Object

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

Field Detail

ODS_DATE_FORMAT

public static final java.lang.String ODS_DATE_FORMAT

The ASAM ODS date format.

See Also:

Constant Field Values

Constructor Detail

ParserHelper

public ParserHelper()

Method Detail

parseDouble

public static double parseDouble(java.lang.String literal,
                 java.lang.String format)
                          throws java.text.ParseException

Parse a double value from string.

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed double value.

Throws:

java.text.ParseException - if parsing fails.

parseDouble

public static double parseDouble(java.lang.String literal)
                          throws java.text.ParseException

Parse a double value from string.

Parameters:

literal - The literal

Returns:

the parsed double value.

Throws:

java.text.ParseException - if parsing fails.

parseFloat

public static float parseFloat(java.lang.String literal,
               java.lang.String format)
                        throws java.text.ParseException

Parse a float value from string.

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed float value.

Throws:

java.text.ParseException - if parsing fails.

parseFloat

public static float parseFloat(java.lang.String literal)
                        throws java.text.ParseException

Parse a float value from string.

Parameters:

literal - The literal

Returns:

the parsed float value.

Throws:

java.text.ParseException - if parsing fails.

parseComplex

public static double[] parseComplex(java.lang.String literal,
                    java.lang.String format)
                             throws java.text.ParseException

Parse a complex value from string. If no format string is specified the real and the imaginary part must be separated by ';', ':' or ','.

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed complex value (index 0 is real part).

Throws:

java.text.ParseException - if parsing fails.

parseComplex

public static double[] parseComplex(java.lang.String literal)
                             throws java.text.ParseException

Parse a complex value from string. If no format string is specified the real and the imaginary part must be separated by ';', ':' or ','.

Parameters:

literal - The literal

Returns:

the parsed complex value (index 0 is real part).

Throws:

java.text.ParseException - if parsing fails.

parseLongLong

public static long[] parseLongLong(java.lang.String literal,
                   java.lang.String format)
                            throws java.text.ParseException

Parse a LongLong value from string. If no format string is specified the values must be separated by ';', ':' or ','.

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed long value (index 0 is low part).

Throws:

java.text.ParseException - if parsing fails.

parseLongLong

public static long[] parseLongLong(java.lang.String literal)
                            throws java.text.ParseException

Parse a LongLong value from string. If no format string is specified the values must be separated by ';', ':' or ','.

Parameters:

literal - The literal

Returns:

the parsed long value (index 0 is low part).

Throws:

java.text.ParseException - if parsing fails.

parseLong

public static long parseLong(java.lang.String literal,
             java.lang.String format)
                      throws java.text.ParseException

Parse a long value from string. If the format is not available this method is able to read value from hex string or octal values.

The hes string must begin with \x, \X, 0x or 0X.
The ocatal definition must start with an backslash (\).
It is also possible to specify the radix. Specify the value and the radix separated by an 'r', '@' character. Example: 10110100001@2 or 25bcad8r16

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed long value.

Throws:

java.text.ParseException - if parsing fails.

parseLong

public static long parseLong(java.lang.String literal)
                      throws java.text.ParseException

Parse a long value from string. If the format is not available this method is able to read value from hex string or octal values.

The hes string must begin with \x, \X, 0x or 0X.
The ocatal definition must start with an backslash (\).
It is also possible to specify the radix. Specify the value and the radix separated by an 'r', '@' character. Example: 10110100001@2 or 25bcad8r16

Parameters:

literal - The literal

Returns:

the parsed long value.

Throws:

java.text.ParseException - if parsing fails.

parseInt

public static int parseInt(java.lang.String literal,
           java.lang.String format)
                    throws java.text.ParseException

Parse a integer value from string.

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed int value.

Throws:

java.text.ParseException - if parsing fails.

parseInt

public static int parseInt(java.lang.String literal)
                    throws java.text.ParseException

Parse a int value from string.

Parameters:

literal - The literal

Returns:

the parsed int value.

Throws:

java.text.ParseException - if parsing fails.

parseShort

public static short parseShort(java.lang.String literal,
               java.lang.String format)
                        throws java.text.ParseException

Parse a short value from string.

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed short value.

Throws:

java.text.ParseException - if parsing fails.

parseShort

public static short parseShort(java.lang.String literal)
                        throws java.text.ParseException

Parse a short value from string.

Parameters:

literal - The literal

Returns:

the parsed short value.

Throws:

java.text.ParseException - if parsing fails.

parseByte

public static byte parseByte(java.lang.String literal,
             java.lang.String format)
                      throws java.text.ParseException

Parse a byte value from string.

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed byte value.

Throws:

java.text.ParseException - if parsing fails.

parseByte

public static int parseByte(java.lang.String literal)
                     throws java.text.ParseException

Parse a byte value from string.

Parameters:

literal - The literal

Returns:

the parsed byte value.

Throws:

java.text.ParseException - if parsing fails.

parseDate

public static java.util.Date parseDate(java.lang.String literal,
                       java.lang.String format)
                                throws java.text.ParseException

Parse a Date value from string.

Parameters:

literal - The literal

format - the optional format, may be null

Returns:

the parsed date value.

Throws:

java.text.ParseException - if parsing fails.

See Also:

java.text.SimpleDataFromat

parseDate

public static java.util.Date parseDate(java.lang.String literal)
                                throws java.text.ParseException

Parse a Date value from string.

Parameters:

literal - The literal

Returns:

the parsed date value.

Throws:

java.text.ParseException - if parsing fails.

See Also:

java.text.SimpleDataFromat

parseBoolean

public static boolean parseBoolean(java.lang.String literal,
                   java.lang.String format)
                            throws java.text.ParseException

Parse a boolean value from string.

Parameters:

literal - The literal

format - unused

Returns:

the parsed boolean value.

Throws:

java.text.ParseException - if parsing fails.

See Also:

java.text.SimpleDataFromat

parseBoolean

public static boolean parseBoolean(java.lang.String literal)
                            throws java.text.ParseException

Parse a boolean value from string.

Parameters:

literal - The literal

Returns:

the parsed boolean value.

Throws:

java.text.ParseException - if parsing fails.

See Also:

java.text.SimpleDataFromat

toString

public static java.lang.String toString(T_LONGLONG s)

Get the string presentation of the dattype T_LONGLONG

Parameters:

s - the longlong value.

Returns:

the string presentation

toString

public static java.lang.String toString(T_COMPLEX s)

Get the string presentation of the dattype T_COMPLEX

Parameters:

s - the complex value.

Returns:

the string presentation

toString

public static java.lang.String toString(T_DCOMPLEX s)

Get the string presentation of the dattype T_DCOMPLEX

Parameters:

s - the complex value.

Returns:

the string presentation

parseTS_Union

public static TS_Union parseTS_Union(java.lang.String literal,
                     DataType datatype)
                              throws java.text.ParseException

Parse a literal vai the given but optional format and assume the given datatype.

Parameters:

literal - The literal

datatype - the datatype

Returns:

The TS_Union representing the requested datatype.

Throws:

java.text.ParseException - If an error occured.

parseTS_Union

public static TS_Union parseTS_Union(java.lang.String literal,
                     java.lang.String format,
                     DataType datatype)
                              throws java.text.ParseException

Parse a literal vai the given but optional format and assume the given datatype.

Parameters:

literal - The literal

format - the format

datatype - the datatype

Returns:

The TS_Union representing the requested datatype.

Throws:

java.text.ParseException - If an error occured.