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JavaTM 2 Platform Std. Ed. v1.5.0

Interface ObjectFactoryBuilder

public interface ObjectFactoryBuilder

This interface represents a builder that creates object factories.

The JNDI framework allows for object implementations to be loaded in dynamically via object factories. For example, when looking up a printer bound in the name space, if the print service binds printer names to References, the printer Reference could be used to create a printer object, so that the caller of lookup can directly operate on the printer object after the lookup. An ObjectFactory is responsible for creating objects of a specific type. JNDI uses a default policy for using and loading object factories. You can override this default policy by calling NamingManager.setObjectFactoryBuilder() with an ObjectFactoryBuilder, which contains the program-defined way of creating/loading object factories. Any ObjectFactoryBuilder implementation must implement this interface that for creating object factories.

See Also:
ObjectFactory, NamingManager.getObjectInstance(java.lang.Object, javax.naming.Name, javax.naming.Context, java.util.Hashtable), NamingManager.setObjectFactoryBuilder(javax.naming.spi.ObjectFactoryBuilder)

Method Summary
 ObjectFactory createObjectFactory(Object obj, Hashtable<?,?> environment)
          Creates a new object factory using the environment supplied.

Method Detail


ObjectFactory createObjectFactory(Object obj,
                                  Hashtable<?,?> environment)
                                  throws NamingException
Creates a new object factory using the environment supplied.

The environment parameter is owned by the caller. The implementation will not modify the object or keep a reference to it, although it may keep a reference to a clone or copy.

obj - The possibly null object for which to create a factory.
environment - Environment to use when creating the factory. Can be null.
A non-null new instance of an ObjectFactory.
NamingException - If an object factory cannot be created.

Copyright 2003 Sun Microsystems, Inc. All rights reserved