/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
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*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.naming.modules.java;
import java.util.Hashtable;
import javax.naming.Name;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.spi.ObjectFactory;
import javax.naming.spi.InitialContextFactory;
import org.apache.naming.modules.memory.MemoryNamingContext;
//import org.apache.naming.ContextBindings;
import org.apache.tomcat.util.res.StringManager;
/**
* Context factory for the "java:" namespace.
* <p>
* <b>Important note</b> : This factory MUST be associated with the "java" URL
* prefix, which can be done by either :
* <ul>
* <li>Adding a
* java.naming.factory.url.pkgs=org.apache.naming property to the JNDI properties file</li>
* <li>Setting an environment variable named Context.URL_PKG_PREFIXES with
* its value including the org.apache.naming package name.
* More detail about this can be found in the JNDI documentation :
* {@link javax.naming.spi.NamingManager#getURLContext(java.lang.String, java.util.Hashtable)}.</li>
* </ul>
*
* @author Remy Maucherat
*/
public class javaURLContextFactory implements ObjectFactory, InitialContextFactory
{
// ----------------------------------------------------------- Constructors
// -------------------------------------------------------------- Constants
public static final String MAIN = "initialContext";
// ----------------------------------------------------- Instance Variables
/**
* Initial context.
*/
protected static Context initialContext = null;
// --------------------------------------------------------- Public Methods
// -------------------------------------------------- ObjectFactory Methods
/**
* Crete a new Context's instance.
*/
public Object getObjectInstance(Object obj, Name name, Context nameCtx,
Hashtable environment)
throws NamingException {
if ((ContextBindings.isThreadBound()) ||
(ContextBindings.isClassLoaderBound())) {
return new SelectorContext(environment);
} else {
return null;
}
}
/**
* Get a new (writable) initial context.
*/
public Context getInitialContext(Hashtable environment)
throws NamingException {
if (ContextBindings.isThreadBound() ||
(ContextBindings.isClassLoaderBound())) {
// Redirect the request to the bound initial context
return new SelectorContext(environment, true);
} else {
// If the thread is not bound, return a shared writable context
if (initialContext == null)
initialContext = new MemoryNamingContext(environment);
return initialContext;
}
}
}