org.apache.tapestry5.internal.translator
Interface NumericTranslatorSupport

All Known Implementing Classes:
NumericTranslatorSupportImpl

public interface NumericTranslatorSupport

Used to generate the client-side JSON specification for how a number-based validator operates. Uses ThreadLocale to determine the locale for any locale-specific operations.

Since:
5.1.0.1

Method Summary
<T extends Number>
void
addValidation(Class<T> type, Field field, String message)
          Adds client-side format validation for the field, appropriate to the indicated type.
<T extends Number>
String
getMessageKey(Class<T> type)
          Returns the default message key for parse failures for the indicated type.
<T extends Number>
T
parseClient(Class<T> type, String clientValue)
          Parses a client-submitted value in a localized manner.
<T extends Number>
String
toClient(Class<T> type, T value)
          Converts a server-side value to a client-side string.
 

Method Detail

parseClient

<T extends Number> T parseClient(Class<T> type,
                                 String clientValue)
                             throws ParseException
Parses a client-submitted value in a localized manner.

Type Parameters:
T -
Parameters:
type - desired type of value
clientValue - value from client; this will be trimmed of leading/trailing whitespace
Returns:
the parsed value
Throws:
ParseException
See Also:
Translator.parseClient(org.apache.tapestry5.Field, String, String)

toClient

<T extends Number> String toClient(Class<T> type,
                                   T value)
Converts a server-side value to a client-side string. Integer types are formatted simply; decimal types may be formatted using thousands-seperator commas.

Type Parameters:
T -
Parameters:
type - type of value to convert
value - current (non-null) value
Returns:
value formatted

getMessageKey

<T extends Number> String getMessageKey(Class<T> type)
Returns the default message key for parse failures for the indicated type.

Type Parameters:
T -
Parameters:
type -
Returns:
a message key: either "integer-format-exception" or "number-format-exception"

addValidation

<T extends Number> void addValidation(Class<T> type,
                                      Field field,
                                      String message)
Adds client-side format validation for the field, appropriate to the indicated type.

Type Parameters:
T -
Parameters:
type - value type
field - field to which validation should be added
message - message if the client-side value can't be parsed as a number


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