/* * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.naming.spi; import java.util.Hashtable;import javax.naming.*; /**  * This interface represents a factory that creates an initial context.  *<p>  * The JNDI framework allows for different initial context implementations  * to be specified at runtime.  The initial context is created using  * an <em>initial context factory</em>.  * An initial context factory must implement the InitialContextFactory  * interface, which provides a method for creating instances of initial  * context that implement the Context interface.  * In addition, the factory class must be public and must have a public  * constructor that accepts no arguments.  *  * @author Rosanna Lee  * @author Scott Seligman  *  * @see InitialContextFactoryBuilder  * @see NamingManager#getInitialContext  * @see javax.naming.InitialContext  * @see javax.naming.directory.InitialDirContext  * @since 1.3  */ public interface InitialContextFactory {        /**          * Creates an Initial Context for beginning name resolution.          * Special requirements of this context are supplied          * using <code>environment</code>.          *<p>          * 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.          *          * @param environment The possibly null environment          *             specifying information to be used in the creation          *             of the initial context.          * @return A non-null initial context object that implements the Context          *             interface.          * @exception NamingException If cannot create an initial context.          */        public Context getInitialContext(Hashtable<?,?> environment)            throws NamingException;}