/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 


package org.apache.naming.factory;

import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NamingException;
import javax.naming.RefAddr;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;

import org.apache.naming.ResourceLinkRef;


/**
 * <p>Object factory for resource links.</p>
 * 
 * @author Remy Maucherat
 * @version $Revision$ $Date$
 */

public class ResourceLinkFactory
    implements ObjectFactory {


    // ----------------------------------------------------------- Constructors


    // ------------------------------------------------------- Static Variables


    /**
     * Global naming context.
     */
    private static Context globalContext = null;


    // --------------------------------------------------------- Public Methods


    /**
     * Set the global context (note: can only be used once).
     * 
     * @param newGlobalContext new global context value
     */
    public static void setGlobalContext(Context newGlobalContext) {
        if (globalContext != null)
            return;
        globalContext = newGlobalContext;
    }


    // -------------------------------------------------- ObjectFactory Methods


    /**
     * Create a new DataSource instance.
     * 
     * @param obj The reference object describing the DataSource
     */
    public Object getObjectInstance(Object obj, Name name, Context nameCtx,
                                    Hashtable<?,?> environment)
        throws NamingException {
        
        if (!(obj instanceof ResourceLinkRef))
            return null;

        // Can we process this request?
        Reference ref = (Reference) obj;

        // Read the global ref addr
        String globalName = null;
        RefAddr refAddr = ref.get(ResourceLinkRef.GLOBALNAME);
        if (refAddr != null) {
            globalName = refAddr.getContent().toString();
            Object result = null;
            result = globalContext.lookup(globalName);
            // FIXME: Check type
            return result;
        }

        return (null);

        
    }


}

@@ -1838,63 +1838,8 @@
 ) %7B%0A
-        if (globalContext != null)%0A            return;%0A
     

Allow the global naming context to be reset. Useful when running multiple embedded instances in series since it allows each instance to configure its own global naming context. Doesn't help with multiple instances in parallel - but that was broken anyway.