org.springframework.binding.convert.converters

Class NumberToNumber

java.lang.Object

org.springframework.binding.convert.converters.NumberToNumber

All Implemented Interfaces:

Converter

public class NumberToNumber
extends java.lang.Object
implements Converter

A one-way converter that can convert from any JDK-standard Number implementation to any other JDK-standard Number implementation. Support Number classes include byte, short, integer, float, double, long, big integer, big decimal. This class delegates to NumberUtils.convertNumberToTargetClass(Number, Class) to perform the conversion.

Author:

Keith Donald

See Also:

Byte, Short, Integer, Long, BigInteger, Float, Double, BigDecimal

Constructor Summary

Constructors

Constructor and Description
NumberToNumber()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	convertSourceToTargetClass(java.lang.Object source, java.lang.Class targetClass) Convert the provided source object argument to an instance of the specified target class.
java.lang.Class	getSourceClass() The source class this converter can convert from.
java.lang.Class	getTargetClass() The target class this converter can convert to.

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberToNumber

public NumberToNumber()

Method Detail

getSourceClass

public java.lang.Class getSourceClass()

Description copied from interface: Converter

The source class this converter can convert from. May be an interface or abstract type to allow this converter to convert specific subclasses as well.

Specified by:

getSourceClass in interface Converter

Returns:

the source type

getTargetClass

public java.lang.Class getTargetClass()

Description copied from interface: Converter

The target class this converter can convert to. May be an interface or abstract type to allow this converter to convert specific subclasses as well.

Specified by:

getTargetClass in interface Converter

Returns:

the target type

convertSourceToTargetClass

public java.lang.Object convertSourceToTargetClass(java.lang.Object source,
                                          java.lang.Class targetClass)
                                            throws java.lang.Exception

Description copied from interface: Converter

Convert the provided source object argument to an instance of the specified target class.

Specified by:

convertSourceToTargetClass in interface Converter

Parameters:

source - the source object to convert, which must be an instance of Converter.getSourceClass()

targetClass - the target class to convert the source to, which must be equal to or a specialization of Converter.getTargetClass()

Returns:

the converted object, which must be an instance of the targetClass

Throws:

java.lang.Exception - an exception occurred performing the conversion