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org.apache.cocoon.woody.datatype.convertor
Interface Convertor

All Known Implementing Classes:

DummyStringConvertor, EnumConvertor, FormattingDateConvertor, FormattingDecimalConvertor, FormattingFloatConvertor, FormattingIntegerConvertor, FormattingLongConvertor, MillisDateConvertor, PlainBooleanConvertor, PlainDecimalConvertor, PlainFloatConvertor, PlainIntegerConvertor, PlainLongConvertor

public interface Convertor

The purpose of a Convertor is to convert between Object and String representations of the same thing. For example, convert Longs or Dates to strings, and vice versa. The behaviour of this conversion process can depend on the user's Locale.

If you need to do mass conversion of a lot of values, it may be beneficial to pass a Convertor.FormatCache object to the convert methods. Some convertors need to build and configure parser or formatting objects, which can be expensive if it needs to be done repeatedly.

Version:

CVS $Id: Convertor.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Nested Class Summary

static interface

Convertor.FormatCache

Method Summary

Object	convertFromString(String value, Locale locale, Convertor.FormatCache formatCache) Converts string representation into the object of convertor's type.
String	convertToString(Object value, Locale locale, Convertor.FormatCache formatCache)
Class	getTypeClass()

Method Detail

convertFromString

Object convertFromString(String value,
                         Locale locale,
                         Convertor.FormatCache formatCache)

Converts string representation into the object of convertor's type. Returns null if conversion fails.

Parameters:

formatCache - can be null if not needed

convertToString

String convertToString(Object value,
                       Locale locale,
                       Convertor.FormatCache formatCache)

getTypeClass

Class getTypeClass()