org.opendatafoundation.data.spss

Class SPSSUtils

java.lang.Object

org.opendatafoundation.data.spss.SPSSUtils

public class SPSSUtils
extends Object

Various utility functions

Author:

Pascal Heus (pheus@opendatafoundation.org)

Constructor Summary

Constructors

Constructor and Description
SPSSUtils()

Method Summary

Modifier and Type	Method and Description
static int	byte4ToInt(byte[] buffer) Converts a 4-byte value into an integer
static double	byte8ToDouble(byte[] buffer) Converts a 8-byte value into a double
static String	byte8ToString(byte[] buffer) Converts a 8-byte value into a String
static String	byte8ToString(byte[] buffer, Charset charset) Converts a 8-byte value into a String with a specific encoding
static GregorianCalendar	numericToCalendar(double value) Converts a numeric value representing a date/time in SPSS into a Java GregorianCalendar.

Methods inherited from class java.lang.Object

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

Constructor Detail

SPSSUtils

public SPSSUtils()

Method Detail

byte8ToDouble

public static double byte8ToDouble(byte[] buffer)

Converts a 8-byte value into a double

Parameters:

buffer -

Returns:

converted value as double

byte8ToString

public static String byte8ToString(byte[] buffer)

Converts a 8-byte value into a String

Parameters:

buffer -

Returns:

converted value as String

byte8ToString

public static String byte8ToString(byte[] buffer,
                                   Charset charset)

Converts a 8-byte value into a String with a specific encoding

Parameters:

buffer -

charset -

Returns:

converted value as String

byte4ToInt

public static int byte4ToInt(byte[] buffer)

Converts a 4-byte value into an integer

Parameters:

buffer -

Returns:

converted value as integer

numericToCalendar

public static GregorianCalendar numericToCalendar(double value)

Converts a numeric value representing a date/time in SPSS into a Java GregorianCalendar. Date/time in SPSS are stored as the number of seconds elapsed since midnight on October 14th 1582 (start of the Gergorian calendar)

Parameters:

value - the numeric representation of the date/time to convert

Returns:

A GregorianCalendar object