org.apache.tapestry5.internal.translator
Class NumericTranslator<T extends Number>

java.lang.Object
  org.apache.tapestry5.internal.translator.AbstractTranslator<T>
      org.apache.tapestry5.internal.translator.NumericTranslator<T>

All Implemented Interfaces:

Translator<T>

public class NumericTranslator<T extends Number>
extends AbstractTranslator<T>

Uses a NumericTranslatorSupport to provide proper locale-aware support for all the built-in numeric types.

Since:

5.1.0.1

Constructor Summary

NumericTranslator(String name, Class<T> type, NumericTranslatorSupport support)

Method Summary

T	parseClient(Field field, String clientValue, String message) Converts a submitted request value into an appropriate server side value.
void	render(Field field, String message, MarkupWriter writer, FormSupport formSupport) Hook used by components to allow the validator to contribute additional attributes or (more often) client-side JavaScript (via the FormSupport.addValidation(Field, String, String, Object)).
String	toClient(T value) Converts a server-side value to a client-side string.

Methods inherited from class org.apache.tapestry5.internal.translator.AbstractTranslator

getMessageKey, getName, getType

Methods inherited from class java.lang.Object

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

Constructor Detail

NumericTranslator

public NumericTranslator(String name,
                         Class<T> type,
                         NumericTranslatorSupport support)

Method Detail

render

public void render(Field field,
                   String message,
                   MarkupWriter writer,
                   FormSupport formSupport)

Description copied from interface: Translator

Hook used by components to allow the validator to contribute additional attributes or (more often) client-side JavaScript (via the FormSupport.addValidation(Field, String, String, Object)).

Parameters:

field - the field which is currently being rendered

message - formatted validation message, either from validation messages, or from an override

writer - markup writer, allowing additional attributes to be written into the active element

formSupport - used to add JavaScript

parseClient

public T parseClient(Field field,
                     String clientValue,
                     String message)
                             throws ValidationException

Description copied from interface: Translator

Converts a submitted request value into an appropriate server side value.

Parameters:

field - for which a value is being parsed

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

message - formatted validation message, either from validation messages, or from an override

Returns:

equivalent server-side value (possibly null)

Throws:

ValidationException - if the value can not be parsed

toClient

public String toClient(T value)

Description copied from interface: Translator

Converts a server-side value to a client-side string. This allows for formatting of the value in a way appropriate to the end user. The output client value should be parsable by Translator.parseClient(Field, String, String).

Parameters:

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

Returns:

client-side value to present to the user