oracle.cabo.ui.data.provider
Class MethodDataProvider

java.lang.Object
  |
  +--oracle.cabo.ui.data.provider.MethodDataProvider

All Implemented Interfaces:

DataProvider

public class MethodDataProvider

extends java.lang.Object

implements DataProvider

DataProvider that binds to a method with introspection. The method can have any name, but must still have the some parameters as DataProvider.getDataObject().

Constructor Summary

MethodDataProvider(java.lang.Class classInstance, java.lang.String name)
Creates a MethodDataProvider bound to a static method.

MethodDataProvider(java.lang.Object instance, java.lang.String name)
Creates a MethodDataProvider bound to an instance method.

Method Summary

void	cleanup(RenderingContext c) RenderingContext implementations must call cleanup() once after the last callto getDataObject().
DataObject	getDataObject(RenderingContext context, java.lang.String namespaceURI, java.lang.String localName)
void	init(RenderingContext c) RenderingContext implementations must call init() once before calling getDataObject().

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodDataProvider

public MethodDataProvider(java.lang.Object instance,
                          java.lang.String name)
                   throws java.lang.NoSuchMethodException

Creates a MethodDataProvider bound to an instance method.

Parameters:

instance - the object on which the method should be called

name - the name of the method

MethodDataProvider

public MethodDataProvider(java.lang.Class classInstance,
                          java.lang.String name)
                   throws java.lang.NoSuchMethodException

Creates a MethodDataProvider bound to a static method.

Parameters:

classInstance - the class on which the method should be called

name - the name of the static method

Method Detail

getDataObject

public DataObject getDataObject(RenderingContext context,
                                java.lang.String namespaceURI,
                                java.lang.String localName)

Specified by:

getDataObject in interface DataProvider

Following copied from interface: oracle.cabo.ui.data.DataProvider

Parameters:

context - the current rendering context

namespace - the namespace of the requested DataObject

name - the name of the requested DataObject

Returns:

the DataObject for the specified namespace and name, or null if no such dataObject exists.

init

public void init(RenderingContext c)

Description copied from interface: DataProvider

RenderingContext implementations must call init() once before calling getDataObject(). In general, they should try to call it as early as possible.

Specified by:

init in interface DataProvider

cleanup

public void cleanup(RenderingContext c)

Description copied from interface: DataProvider

RenderingContext implementations must call cleanup() once after the last callto getDataObject().

Specified by:

cleanup in interface DataProvider