Quelle OpenEjbFactory.java Sprache: JAVA

/*
* 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 java.util.Properties;

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

import org.apache.naming.EjbRef;

/**
* Object factory for EJBs.
*
* @author Jacek Laskowski
* @author Remy Maucherat
*/
public class OpenEjbFactory implements ObjectFactory {

    // -------------------------------------------------------------- Constants

    protected static final String DEFAULT_OPENEJB_FACTORY =
        "org.openejb.client.LocalInitialContextFactory";

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

    /**
     * Create a new EJB instance using OpenEJB.
     *
     * @param obj The reference object describing the DataSource
     */
    @Override
    public Object getObjectInstance(Object obj, Name name, Context nameCtx,
                                    Hashtable<?,?> environment)
        throws Exception {

        Object beanObj = null;

        if (obj instanceof EjbRef) {

            Reference ref = (Reference) obj;

            String factory = DEFAULT_OPENEJB_FACTORY;
            RefAddr factoryRefAddr = ref.get("openejb.factory");
            if (factoryRefAddr != null) {
                // Retrieving the OpenEJB factory
                factory = factoryRefAddr.getContent().toString();
            }

            Properties env = new Properties();
            env.put(Context.INITIAL_CONTEXT_FACTORY, factory);

            RefAddr linkRefAddr = ref.get("openejb.link");
            if (linkRefAddr != null) {
                String ejbLink = linkRefAddr.getContent().toString();
                beanObj = (new InitialContext(env)).lookup(ejbLink);
            }

        }

        return beanObj;

    }

}

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