org.apache.tapestry5.internal.services
Class LiteralPropertyConduit

java.lang.Object
  org.apache.tapestry5.internal.services.PropertyConduitDelegate
      org.apache.tapestry5.internal.services.LiteralPropertyConduit

All Implemented Interfaces:

InternalPropertyConduit, AnnotationProvider, PropertyConduit

public class LiteralPropertyConduit
extends PropertyConduitDelegate
implements InternalPropertyConduit

A PropertyConduit for a literal value in an expression, such as a number, or "true", "false" or "null".

Constructor Summary

LiteralPropertyConduit(TypeCoercer typeCoercer, Class propertyType, AnnotationProvider annotationProvider, String description, Object value)

Method Summary

Object	get(Object instance) Reads the property from the instance.
<T extends Annotation> T	getAnnotation(Class<T> annotationClass) Searches for the specified annotation, returning the matching annotation instance.
String	getPropertyName() Returns the name of the property read or updated by the conduit or null.
Class	getPropertyType() Returns the type of the property read or updated by the conduit.
void	set(Object instance, Object value) Changes the current value of the property.
String	toString()

Methods inherited from class org.apache.tapestry5.internal.services.PropertyConduitDelegate

coerce, invert, range

Methods inherited from class java.lang.Object

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

Constructor Detail

LiteralPropertyConduit

public LiteralPropertyConduit(TypeCoercer typeCoercer,
                              Class propertyType,
                              AnnotationProvider annotationProvider,
                              String description,
                              Object value)

Method Detail

get

public Object get(Object instance)

Description copied from interface: PropertyConduit

Reads the property from the instance.

Specified by:

get in interface PropertyConduit

Parameters:

instance - object containing the property

Returns:

the current value of the property

set

public void set(Object instance,
                Object value)

Description copied from interface: PropertyConduit

Changes the current value of the property.

Specified by:

set in interface PropertyConduit

Parameters:

instance - object containing the property

value - to change the property to

getPropertyType

public Class getPropertyType()

Description copied from interface: PropertyConduit

Returns the type of the property read or updated by the conduit.

Specified by:

getPropertyType in interface PropertyConduit

getAnnotation

public <T extends Annotation> T getAnnotation(Class<T> annotationClass)

Description copied from interface: AnnotationProvider

Searches for the specified annotation, returning the matching annotation instance.

Specified by:

getAnnotation in interface AnnotationProvider

Parameters:

annotationClass - used to select the annotation to return

Returns:

the annotation, or null if not found

getPropertyName

public String getPropertyName()

Description copied from interface: InternalPropertyConduit

Returns the name of the property read or updated by the conduit or null. If the expression points to a property on a bean (e.g. user.name) this method returns the last property in the chain. Otherwise this method returns null.

Specified by:

getPropertyName in interface InternalPropertyConduit

Returns:

property name or null

toString

public String toString()

Overrides:

toString in class Object