org.apache.tapestry5.internal.services
Class TranslatorSourceImpl

java.lang.Object
  org.apache.tapestry5.internal.services.TranslatorSourceImpl

All Implemented Interfaces:

InvalidationListener, TranslatorSource

public class TranslatorSourceImpl
extends Object
implements TranslatorSource, InvalidationListener

Constructor Summary

TranslatorSourceImpl(Map<Class,Translator> configuration)

TranslatorSourceImpl(Map<Class,Translator> configuration, Map<String,Translator> alternates)

Method Summary

Translator	findByType(Class valueType) Finds a Translator that is appropriate to the given type, which is usually obtained via Binding.getBindingType().
Translator	get(String name) Returns the translator with the given name (either a standard translator, or an alternate).
Translator	getByType(Class valueType) Finds a Translator that is appropriate to the given type, which is usually obtained via Binding.getBindingType().
void	objectWasInvalidated() Invoked to indicate that some object is invalid.

Methods inherited from class java.lang.Object

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

Constructor Detail

TranslatorSourceImpl

public TranslatorSourceImpl(Map<Class,Translator> configuration)

TranslatorSourceImpl

public TranslatorSourceImpl(Map<Class,Translator> configuration,
                            Map<String,Translator> alternates)

Method Detail

get

public Translator get(String name)

Description copied from interface: TranslatorSource

Returns the translator with the given name (either a standard translator, or an alternate).

Specified by:

get in interface TranslatorSource

Parameters:

name - name of translator (as configured, but case is ignored)

Returns:

the shared translator instance

getByType

public Translator getByType(Class valueType)

Description copied from interface: TranslatorSource

Finds a Translator that is appropriate to the given type, which is usually obtained via Binding.getBindingType(). Performs an inheritance-based search for the best match, among the standard translators (not alternates).

Specified by:

getByType in interface TranslatorSource

Parameters:

valueType - the type of value for which a default translator is needed

Returns:

the matching translator

findByType

public Translator findByType(Class valueType)

Description copied from interface: TranslatorSource

Finds a Translator that is appropriate to the given type, which is usually obtained via Binding.getBindingType(). Performs an inheritance-based search for the best match, among the standard translator (not alternates).

Specified by:

findByType in interface TranslatorSource

Parameters:

valueType - the type of value for which a default translator is needed

Returns:

the matching translator, or null if no match can be found

objectWasInvalidated

public void objectWasInvalidated()

Description copied from interface: InvalidationListener

Invoked to indicate that some object is invalid. The receiver should clear its cache.

Specified by:

objectWasInvalidated in interface InvalidationListener