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Java example source code file (TestExclusive.java)

This example Java source code file (TestExclusive.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

card, cardchannel, cardexception, cardterminal, commandapdu, exception, illegalstateexception, otherthread, runnable, secondary, t\=0, testexclusive, util, utils

The TestExclusive.java Java example source code

/*
 * Copyright (c) 2005, 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.
 */

/**
 * @test
 * @bug 6239117
 * @summary verify that beginExclusive()/endExclusive() works
 * @author Andreas Sterbenz
 * @ignore requires special hardware
 * @run main/manual TestExclusive
 */

import java.io.*;
import java.util.*;

import javax.smartcardio.*;

public class TestExclusive extends Utils {

    static volatile boolean exclusive;

    static volatile boolean otherOK;

    public static void main(String[] args) throws Exception {
        CardTerminal terminal = getTerminal(args);

        // establish a connection with the card
        Card card = terminal.connect("T=0");
        System.out.println("card: " + card);

        Thread thread = new Thread(new OtherThread(card));
        thread.setDaemon(true);
        thread.start();

        card.beginExclusive();
        exclusive = true;

        Thread.sleep(1000);
        System.out.println("=1=resuming...");

        CardChannel channel = card.getBasicChannel();

        System.out.println("=1=Transmitting...");
        transmitTestCommand(channel);
        System.out.println("=1=OK");

        try {
            card.beginExclusive();
        } catch (CardException e) {
            System.out.println("=1=OK: " + e);
        }

        card.endExclusive();

        try {
            card.endExclusive();
        } catch (IllegalStateException e) {
            System.out.println("=1=OK: " + e);
        }

        exclusive = false;

        Thread.sleep(1000);

        // disconnect
        card.disconnect(false);

        if (otherOK == false) {
            throw new Exception("Secondary thread failed");
        }

        System.out.println("=1=OK.");
    }

    private static class OtherThread implements Runnable {
        private final Card card;
        OtherThread(Card card) {
            this.card = card;
        }

        public void run() {
            try {
                while (exclusive == false) {
                    Thread.sleep(100);
                }

                System.out.println("=2=trying endexclusive...");
                try {
                    card.endExclusive();
                } catch (IllegalStateException e) {
                    System.out.println("=2=OK: " + e);
                }

                System.out.println("=2=trying beginexclusive...");
                try {
                    card.beginExclusive();
                } catch (CardException e) {
                    System.out.println("=2=OK: " + e);
                }

                System.out.println("=2=trying to transmit...");
                CardChannel channel = card.getBasicChannel();
                try {
                    channel.transmit(new CommandAPDU(C1));
                } catch (CardException e) {
                    System.out.println("=2=OK: " + e);
                }

                while (exclusive) {
                    Thread.sleep(100);
                }

                System.out.println("=2=transmitting...");
                transmitTestCommand(channel);
                System.out.println("=2=OK...");

                System.out.println("=2=setting ok");
                otherOK = true;
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

}

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