Eclipse RAP Development Guide (Galileo) - Adaptable (Eclipse Rich Ajax Platform API Specification)

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Eclipse Rich Ajax Platform
Release 1.2

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org.eclipse.rwt
Interface Adaptable

All Known Implementing Classes:: Display, Widget

public interface Adaptable

Adaptable objects lets you add interfaces to a class and lets clients query whether an object has a particular extension. This means adaptable objects can be dynamically extended. Adapters are created by adapter factories, which are registered with an global adapter manager.

     Adaptable a = ...;
     IMyExtension x = ( IMyExtension )a.getAdapter( IMyExtension.class );
     if( x != null ) {
       // invoke IMyExtension methods on x ...
     }

Since:: 1.0
See Also:: AdapterFactory

Method Summary

Object getAdapter ( Class adapter)
Returns an object which is an instance of the given class parameter associated with this object or null if no association exists.

Method Detail

getAdapter

public 
Object getAdapter(
Class adapter)

Returns an object which is an instance of the given class parameter associated with this object or null if no association exists.

Parameters:: adapter - the lookup class
Returns:: a object castable to the given class or null if there is no adapter associated with the given class.