org.apache.tapestry.internal.translator
Class LongTranslator

java.lang.Object
  org.apache.tapestry.internal.translator.LongTranslator

All Implemented Interfaces:

Translator<Long>

public class LongTranslator
extends Object
implements Translator<Long>

A translator for type long.

Constructor Summary

LongTranslator()

Method Summary

Class<Long>	getType() Returns the type of the server-side value.
Long	parseClient(String clientValue, Messages messages) Parses blank values to null, otherwise parses the client value to a long
String	toClient(Long value) Converts null to the blank string, non-null to a string representation.

Methods inherited from class java.lang.Object

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

Constructor Detail

LongTranslator

public LongTranslator()

Method Detail

getType

public Class<Long> getType()

Description copied from interface: Translator

Returns the type of the server-side value.

Specified by:

getType in interface Translator<Long>

Returns:

a type

parseClient

public Long parseClient(String clientValue,
                        Messages messages)
                 throws ValidationException

Parses blank values to null, otherwise parses the client value to a long

Specified by:

parseClient in interface Translator<Long>

Parameters:

clientValue - to convert to a server value; this will not be null, but may be blank

messages - validator messages assembled by ValidationMessagesSource

Returns:

equivalent server-side value (possibly null)

Throws:

ValidationException - if the clientValue can not be parsed

toClient

public String toClient(Long value)

Converts null to the blank string, non-null to a string representation.

Specified by:

toClient in interface Translator<Long>

Parameters:

value - the server side value (which will not be null)

Returns:

client-side value to present to the user