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Tomcat example source code file (EjbRef.java)

This example Tomcat source code file (EjbRef.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

default_factory, default_factory, ejbref, ejbref, link, naming, reference, remote, string, string, stringrefaddr, stringrefaddr, type

The Tomcat EjbRef.java source code

/*
 * 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;

import javax.naming.Context;
import javax.naming.Reference;
import javax.naming.StringRefAddr;

/**
 * Represents a reference address to an EJB.
 *
 * @author Remy Maucherat
 * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
 */

public class EjbRef
    extends Reference {


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


    /**
     * Default factory for this reference.
     */
    public static final String DEFAULT_FACTORY = 
        org.apache.naming.factory.Constants.DEFAULT_EJB_FACTORY;


    /**
     * EJB type address type.
     */
    public static final String TYPE = "type";


    /**
     * Remote interface classname address type.
     */
    public static final String REMOTE = "remote";


    /**
     * Link address type.
     */
    public static final String LINK = "link";


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


    /**
     * EJB Reference.
     * 
     * @param ejbType EJB type
     * @param home Home interface classname
     * @param remote Remote interface classname
     * @param link EJB link
     */
    public EjbRef(String ejbType, String home, String remote, String link) {
        this(ejbType, home, remote, link, null, null);
    }


    /**
     * EJB Reference.
     * 
     * @param ejbType EJB type
     * @param home Home interface classname
     * @param remote Remote interface classname
     * @param link EJB link
     */
    public EjbRef(String ejbType, String home, String remote, String link,
                  String factory, String factoryLocation) {
        super(home, factory, factoryLocation);
        StringRefAddr refAddr = null;
        if (ejbType != null) {
            refAddr = new StringRefAddr(TYPE, ejbType);
            add(refAddr);
        }
        if (remote != null) {
            refAddr = new StringRefAddr(REMOTE, remote);
            add(refAddr);
        }
        if (link != null) {
            refAddr = new StringRefAddr(LINK, link);
            add(refAddr);
        }
    }


    // ----------------------------------------------------- Instance Variables


    // -------------------------------------------------------- RefAddr Methods


    // ------------------------------------------------------ Reference Methods


    /**
     * Retrieves the class name of the factory of the object to which this 
     * reference refers.
     */
    public String getFactoryClassName() {
        String factory = super.getFactoryClassName();
        if (factory != null) {
            return factory;
        } else {
            factory = System.getProperty(Context.OBJECT_FACTORIES);
            if (factory != null) {
                return null;
            } else {
                return DEFAULT_FACTORY;
            }
        }
    }


    // ------------------------------------------------------------- Properties


}

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