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Java example source code file (ParserInfiniteLoopTest.java)

This example Java source code file (ParserInfiniteLoopTest.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

expected, failed, ioexception, management, mbeanserver, mlet, objectname, parserinfinitelooptest, servicenotfoundexception, string, test\:type\=mlet

The ParserInfiniteLoopTest.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 5042364
 * @summary Malformed MLet text file causes infinite loop in parser.
 * The MLetParser goes into an infinite loop when a tag is not
 * terminated with the corresponding '>' and an opening '<' for
 * the subsequent tag is encountered.
 * @author Luis-Miguel Alventosa
 * @run clean ParserInfiniteLoopTest
 * @run build ParserInfiniteLoopTest
 * @run main/othervm/timeout=5 ParserInfiniteLoopTest mlet1.html
 * @run main/othervm/timeout=5 ParserInfiniteLoopTest mlet2.html
 * @run main/othervm/timeout=5 ParserInfiniteLoopTest mlet3.html
 */

import java.io.File;
import java.io.IOException;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.ObjectName;
import javax.management.ServiceNotFoundException;
import javax.management.loading.MLet;

public class ParserInfiniteLoopTest {

    public static void main(String[] args) throws Exception {

        boolean error = false;

        // Instantiate the MBean server
        //
        System.out.println("Create the MBean server");
        MBeanServer mbs = MBeanServerFactory.createMBeanServer();

        // Instantiate an MLet
        //
        System.out.println("Create the MLet");
        MLet mlet = new MLet();

        // Register the MLet MBean with the MBeanServer
        //
        System.out.println("Register the MLet MBean");
        ObjectName mletObjectName = new ObjectName("Test:type=MLet");
        mbs.registerMBean(mlet, mletObjectName);

        // Call getMBeansFromURL
        //
        System.out.println("Call mlet.getMBeansFromURL(<url>)");
        String testSrc = System.getProperty("test.src");
        System.out.println("test.src = " + testSrc);
        String urlCodebase;
        if (testSrc.startsWith("/")) {
            urlCodebase =
                "file:" + testSrc.replace(File.separatorChar, '/') + "/";
        } else {
            urlCodebase =
                "file:/" + testSrc.replace(File.separatorChar, '/') + "/";
        }
        String mletFile = urlCodebase + args[0];
        System.out.println("MLet File = " + mletFile);
        try {
            mlet.getMBeansFromURL(mletFile);
            System.out.println(
                "TEST FAILED: Expected ServiceNotFoundException not thrown");
            error = true;
        } catch (ServiceNotFoundException e) {
            if (e.getCause() == null) {
                System.out.println("TEST FAILED: Got unexpected null cause " +
                    "in ServiceNotFoundException");
                error = true;
            } else if (!(e.getCause() instanceof IOException)) {
                System.out.println("TEST FAILED: Got unexpected non-null " +
                    "cause in ServiceNotFoundException");
                error = true;
            } else {
                System.out.println("TEST PASSED: Got expected non-null " +
                    "cause in ServiceNotFoundException");
                error = false;
            }
            e.printStackTrace(System.out);
        }

        // Unregister the MLet MBean
        //
        System.out.println("Unregister the MLet MBean");
        mbs.unregisterMBean(mletObjectName);

        // Release MBean server
        //
        System.out.println("Release the MBean server");
        MBeanServerFactory.releaseMBeanServer(mbs);

        // End Test
        //
        System.out.println("Bye! Bye!");
        if (error) System.exit(1);
    }
}

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