Java tutorial
/* * 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; }