/* ObjectFactory.java --
Copyright (C) 2001, 2004, 2006 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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package javax.naming.spi;
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.Name;
/**
* Represents a factory for creating the object. ObjectFactory performs the
* operation, that is the opposite to the operation, performed by the
* {@link StateFactory}. Classes, implementing this interface, must be public
* and have public parameterless constructor.
*/
public interface ObjectFactory
{
/**
* Creates the object, using the specified name and location information. The
* call of this method must be thread safe.
*
* @param refObj may provide the reference and location information. Can be null.
* @param name the name of the new object in the scope of the specified naming
* context. Can be null if the name is not specified.
* @param nameCtx the context, in which the object name is specified. Can be
* null if the name is specified in the scope of the default initial
* context.
* @param environment the properties, providing additional information on how
* to create an object. Can be null if not additional information is
* provided.
* @return the newly created object or null if the object cannot be created
* @throws Exception if this factory suggest not to try creating of this
* object by other alternative factories
*
* @see NamingManager#getObjectInstance(Object, Name, Context, Hashtable)
*/
Object getObjectInstance (Object refObj, Name name, Context nameCtx,
Hashtable<?, ?> environment)
throws Exception;
}