Java example source code file (AppleImpl.java)

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

Learn more about this Java project at its project page.

Java - Java tags/keywords

appleimpl, begin, end, log, logger, logging, orange, orangeimpl, remoteexception, rmi, runtimeexception, string, unicastremoteobject

The AppleImpl.java Java example source code

/*
 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;
import java.util.logging.Logger;
import java.util.logging.Level;

/**
 * The AppleImpl class implements the behavior of the remote "apple"
 * objects exported by the application.
 */
public class AppleImpl
    extends UnicastRemoteObject
    implements Apple
{

    private static Logger logger = Logger.getLogger("reliability.apple");
    private String name;

    public AppleImpl(String name) throws RemoteException {
        this.name = name;
    }

    /**
     * Receive an array of AppleEvent objects.
     */
    public void notify(AppleEvent[] events) {
        try {
            String threadName = Thread.currentThread().getName();
            logger.log(Level.FINEST,
                threadName + ": " + toString() + ".notify: BEGIN");

            for (int i = 0; i < events.length; ++ i) {
                logger.log(Level.FINEST,
                    threadName + ": " + toString() +
                        ".notify(): events[" + i + "] = " +
                        events[i].toString());
            }

            logger.log(Level.FINEST,
                threadName + ": " + toString() + ".notify(): END");
        } catch (RuntimeException e) {
            logger.log(Level.SEVERE, toString() + ".notify():", e);
            throw e;
        }
    }

    /**
     * Return a newly created and exported orange implementation.
     */
    public Orange newOrange(String name) throws RemoteException {
        try {
            String threadName = Thread.currentThread().getName();
            logger.log(Level.FINEST,
                threadName + ": " + toString() +
                ".newOrange(" + name + "): BEGIN");

            Orange orange = new OrangeImpl(name);

            logger.log(Level.FINEST,
                threadName + ": " + toString() +
                ".newOrange(" + name + "): END");

            return orange;
        } catch (RuntimeException e) {
            logger.log(Level.SEVERE, toString() + ".newOrange():", e);
            throw e;
        }
    }

    public String toString() {
        return name;
    }
}