oracle.toplink.essentials.internal.ejb.cmp3.naming.base.InitialContextImpl Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of toplink-essentials
There is a newer version: 2.1-60f
/*
 * The contents of this file are subject to the terms 
 * of the Common Development and Distribution License 
 * (the "License").  You may not use this file except 
 * in compliance with the License.
 * 
 * You can obtain a copy of the license at 
 * glassfish/bootstrap/legal/CDDLv1.0.txt or 
 * https://glassfish.dev.java.net/public/CDDLv1.0.html. 
 * See the License for the specific language governing 
 * permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL 
 * HEADER in each file and include the License file at 
 * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable, 
 * add the following below this CDDL HEADER, with the 
 * fields enclosed by brackets "[]" replaced with your 
 * own identifying information: Portions Copyright [yyyy] 
 * [name of copyright owner]
 */
// Copyright (c) 1998, 2007, Oracle. All rights reserved.  
package oracle.toplink.essentials.internal.ejb.cmp3.naming.base;

import java.util.Hashtable;
import javax.naming.*;

public abstract class InitialContextImpl implements Context {
    Hashtable env;

    // Single global namespace
    static Hashtable stringNamespace = new Hashtable();
    static Hashtable namespace = new Hashtable();

    /************************/
    /***** Internal API *****/
    /************************/
    protected abstract Object handleEntityManagerFactory(Object obj);

    protected void debug(String s) {
        System.out.println(s);
    }

    public InitialContextImpl() {
    }

    public InitialContextImpl(Hashtable env) {
        this.env = env;
    }

    public Object internalLookup(Object name) {
        // Check the String namespace first
        Object obj = stringNamespace.get(name);

        // If not found then check the real namespace 
        if (obj == null) {
            obj = namespace.get(name);
        }

        // If still not found then it just isn't there 
        if (obj == null) {
            return null;
        }
        debug("Ctx - JNDI lookup, name=" + name + " value=" + obj);
        // Temporary workaround to instantiate an EntityManager from the Factory
        
        return handleEntityManagerFactory(obj);
    }

    /*************************************/
    /***** Supported Context API *****/
    /*************************************/
    public Object lookup(String name) throws NamingException {
        Object obj = internalLookup(name);
        if (obj == null) {
            throw new NameNotFoundException(name);
        }
        return obj;
    }

    public Object lookup(Name name) throws NamingException {
        Object obj = internalLookup(name);
        if (obj == null) {
            throw new NameNotFoundException(name.toString());
        }
        return obj;
    }

    public void bind(String name, Object obj) throws NamingException {
        if (internalLookup(name) != null) {
            throw new NameAlreadyBoundException(name);
        }
        rebind(name, obj);
    }

    public void bind(Name name, Object obj) throws NamingException {
        if (internalLookup(name) != null) {
            throw new NameAlreadyBoundException(name.toString());
        }
        rebind(name, obj);
    }

    public void rebind(String name, Object obj) throws NamingException {
        stringNamespace.put(name, obj);
        //        debug("Ctx - Namespace = " + stringNamespace + " class=" + this.getClass().getClassLoader());
        // Bind as a Name as well
        rebind(new CompositeName(name), obj);
    }

    public void rebind(Name name, Object obj) throws NamingException {
        namespace.put(name, obj);
    }

    public Hashtable getEnvironment() throws NamingException {
        return env;
    }

    public void close() throws NamingException {
    }

    /*************************************/
    /***** Not supported Context API *****/
    /*************************************/
    public void unbind(Name name) throws NamingException {
    }

    public void unbind(String name) throws NamingException {
    }

    public void rename(Name oldName, Name newName) throws NamingException {
    }

    public void rename(String oldName, String newName) throws NamingException {
    }

    public NamingEnumeration list(Name name) throws NamingException {
        return null;
    }

    public NamingEnumeration list(String name) throws NamingException {
        return null;
    }

    public NamingEnumeration listBindings(Name name) throws NamingException {
        return null;
    }

    public NamingEnumeration listBindings(String name) throws NamingException {
        return null;
    }

    public void destroySubcontext(Name name) throws NamingException {
    }

    public void destroySubcontext(String name) throws NamingException {
    }

    public Context createSubcontext(Name name) throws NamingException {
        return null;
    }

    public Context createSubcontext(String name) throws NamingException {
        return null;
    }

    public Object lookupLink(Name name) throws NamingException {
        return null;
    }

    public Object lookupLink(String name) throws NamingException {
        return null;
    }

    public NameParser getNameParser(Name name) throws NamingException {
        return null;
    }

    public NameParser getNameParser(String name) throws NamingException {
        return null;
    }

    public Name composeName(Name name, Name prefix) throws NamingException {
        return null;
    }

    public String composeName(String name, String prefix) throws NamingException {
        return null;
    }

    public Object addToEnvironment(String propName, Object propVal) throws NamingException {
        return null;
    }

    public Object removeFromEnvironment(String propName) throws NamingException {
        return null;
    }

    public String getNameInNamespace() throws NamingException {
        return null;
    }
}