Package org.apache.tapestry5.plastic

Interface PropertyValueProvider

public interface PropertyValueProvider

Interface that can be implemented to provide access to field values based on their name. Usually implemented with PlasticUtils.implementPropertyValueProvider(PlasticClass, java.util.Set).

The name of its abstract method is intended to avoid clashes with other existing methods in the class.

Since:

5.8.4

See Also:

PlasticUtils.implementPropertyValueProvider(PlasticClass, java.util.Set)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	__propertyValueProvider__get(java.lang.String fieldName)	Returns the value of a given field.
void	__propertyValueProvider__set(java.lang.String fieldName, java.lang.Object value)	Sets the value of a given field.
static java.lang.Object	get(java.lang.Object object, java.lang.String fieldName)	Returns the value of a given field in a given object if it belongs to a class that implements PropertyValueProvider.
static void	set(java.lang.Object object, java.lang.String fieldName, java.lang.Object value)	Sets the value of a given field in a given object if it belongs to a class that implements PropertyValueProvider.

Method Detail

__propertyValueProvider__get

java.lang.Object __propertyValueProvider__get(java.lang.String fieldName)

Returns the value of a given field.

Parameters:

fieldName - the field name.

Returns:

the field value.

__propertyValueProvider__set

void __propertyValueProvider__set(java.lang.String fieldName,
                                  java.lang.Object value)

Sets the value of a given field.

Parameters:

fieldName - the field name.

value - the field value.

Since:

5.8.7

get

static java.lang.Object get(java.lang.Object object,
                            java.lang.String fieldName)

Returns the value of a given field in a given object if it belongs to a class that implements PropertyValueProvider. Otherwise, it throws an exception.

This is an utility method to avoid having to make casts very time you need to call __propertyValueProvider__get(String).

Parameters:

object - an object.

fieldName - the field name.

Returns:

the field value.

set

static void set(java.lang.Object object,
                java.lang.String fieldName,
                java.lang.Object value)

Sets the value of a given field in a given object if it belongs to a class that implements PropertyValueProvider. Otherwise, it throws an exception.

This is an utility method to avoid having to make casts very time you need to call __propertyValueProvider__set(String, Object).

Parameters:

object - an object.

fieldName - the field name.

value - the field value.

Since:

5.8.7