org.springframework.core.convert.support
Class ObjectToStringConverter

java.lang.Object
  org.springframework.core.convert.support.ObjectToStringConverter

All Implemented Interfaces:

ConditionalGenericConverter, GenericConverter

final class ObjectToStringConverter
extends java.lang.Object
implements ConditionalGenericConverter

Simply calls Object.toString() to convert any supported Object to a String. Supports Number, Boolean, Character, CharSequence, StringWriter, any enum, and any class with a String constructor or valueOf(String) method.

Used by the default ConversionService as a fallback if there are no other explicit to-String converters registered.

Since:

3.0

Author:

Keith Donald, Juergen Hoeller

Nested Class Summary

Nested classes/interfaces inherited from interface org.springframework.core.convert.converter.GenericConverter

GenericConverter.ConvertiblePair

Constructor Summary

ObjectToStringConverter()

Method Summary

java.lang.Object	convert(java.lang.Object source, TypeDescriptor sourceType, TypeDescriptor targetType) Convert the source to the targetType described by the TypeDescriptor.
java.util.Set<GenericConverter.ConvertiblePair>	getConvertibleTypes() Return the source and target types which this converter can convert between.
boolean	matches(TypeDescriptor sourceType, TypeDescriptor targetType) Should the converter from sourceType to targetType currently under consideration be selected?

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectToStringConverter

ObjectToStringConverter()

Method Detail

getConvertibleTypes

public java.util.Set<GenericConverter.ConvertiblePair> getConvertibleTypes()

Description copied from interface: GenericConverter

Return the source and target types which this converter can convert between.

Each entry is a convertible source-to-target type pair.

Specified by:

getConvertibleTypes in interface GenericConverter

matches

public boolean matches(TypeDescriptor sourceType,
                       TypeDescriptor targetType)

Description copied from interface: ConditionalGenericConverter

Should the converter from sourceType to targetType currently under consideration be selected?

Specified by:

matches in interface ConditionalGenericConverter

Parameters:

sourceType - the type descriptor of the field we are converting from

targetType - the type descriptor of the field we are converting to

Returns:

true if conversion should be performed, false otherwise

convert

public java.lang.Object convert(java.lang.Object source,
                                TypeDescriptor sourceType,
                                TypeDescriptor targetType)

Description copied from interface: GenericConverter

Convert the source to the targetType described by the TypeDescriptor.

Specified by:

convert in interface GenericConverter

Parameters:

source - the source object to convert (may be null)

sourceType - the type descriptor of the field we are converting from

targetType - the type descriptor of the field we are converting to

Returns:

the converted object