org.eclipse.emf.ecp.edit.internal.swt.controls

Class NumericalHelper

java.lang.Object

org.eclipse.emf.ecp.edit.internal.swt.controls.NumericalHelper

public final class NumericalHelper
extends Object

Author:

Eugen Neufeld

Method Summary

Modifier and Type	Method and Description
static Number	getDefaultValue(Class<?> instanceClass) Returns the default value for a given number instance class.
static boolean	isDouble(Class<?> instanceClass) Whether the given class is a double.
static boolean	isInteger(Class<?> instanceClass) Whether the given class is an integer.
static Object	numberToInstanceClass(Number number, Class<?> instanceClass) Converts the given number to an value of the instance class type.
static DecimalFormat	setupFormat(Locale locale, Class<?> instanceClass) Sets up a DecimalFormat based on the given locale on instance class.

Methods inherited from class java.lang.Object

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

Method Detail

setupFormat

public static DecimalFormat setupFormat(Locale locale,
                                        Class<?> instanceClass)

Sets up a DecimalFormat based on the given locale on instance class.

Parameters:

locale - the locale of the current application

instanceClass - the instance class of the number

Returns:

the format

getDefaultValue

public static Number getDefaultValue(Class<?> instanceClass)

Returns the default value for a given number instance class.

Parameters:

instanceClass - the class

Returns:

the default value

isDouble

public static boolean isDouble(Class<?> instanceClass)

Whether the given class is a double.

Parameters:

instanceClass - the class to check

Returns:

true if double, false otherwise

isInteger

public static boolean isInteger(Class<?> instanceClass)

Whether the given class is an integer.

Parameters:

instanceClass - the class to check

Returns:

true if integer, false otherwise

numberToInstanceClass

public static Object numberToInstanceClass(Number number,
                                           Class<?> instanceClass)

Converts the given number to an value of the instance class type.

Parameters:

number - the number to convert

instanceClass - the instance which the result must conform to

Returns:

the converted value