alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Java example source code file (DescriptorSupportXMLTest.java)

This example Java source code file (DescriptorSupportXMLTest.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

character, descriptorsupport, descriptorsupportxmltest, illegalargumentexception, integer, management, object, runtimeoperationexception, runtimeoperationsexception, string, throwable, util

The DescriptorSupportXMLTest.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.
 */

/*
 * @test
 * @bug 4957393
 * @summary Test that DescriptorSupport.toXMLString() can be used to
 * reconstruct an equivalent DescriptorSupport
 * @author Eamonn McManus
 * @run clean DescriptorSupportXMLTest
 * @run build DescriptorSupportXMLTest
 * @run main DescriptorSupportXMLTest
 */

import java.util.Arrays;

import javax.management.RuntimeOperationsException;
import javax.management.modelmbean.DescriptorSupport;

public class DescriptorSupportXMLTest {
    public static void main(String[] args) throws Exception {
        System.out.println("Testing that DescriptorSupport.toXMLString() " +
                           "can be used to reconstruct an equivalent " +
                           "DescriptorSupport");
        int failed = 0;

        final Object[] testValues = {
            // Values that should be encodable.
            "",
            "ok",
            "null",
            "(open",
            "close)",
            "(parens)",
            "quote\"quote",
            "a description with several words",
            "magic&\"\\<> \r\t\n\f;&;magic",
            "<descriptor>&&&</descriptor>",
            "<descriptor>&&&</blahblahblah>",
            null,
            new Integer(10),
            Boolean.TRUE,
            new Float(1.0f),

            // Values that are not encodable: it is important that we throw
            // an exception during encoding rather than waiting until decode
            // time to discover the problem.  These classes are not encodable
            // because they don't have a (String) constructor.
            new Character('!'),
            new java.util.HashMap(),
        };

        for (int i = 0; i < testValues.length; i++) {
            final Object v = testValues[i];
            final String what =
                (v == null) ? "null" :
                (v.getClass().getName() + "{" + v + "}");

            final DescriptorSupport in =
                new DescriptorSupport(new String[] {"bloo"}, new Object[] {v});

            final String xml;
            try {
                xml = in.toXMLString();
            } catch (RuntimeOperationsException e) {
                final Throwable cause = e.getCause();
                if (cause instanceof IllegalArgumentException) {
                    System.out.println("OK: " + what + ": got a " +
                                       "RuntimeOperationsException wrapping " +
                                       "an IllegalArgumentException: " +
                                       cause.getMessage());
                } else {
                    final String causeString =
                        (cause == null) ? "null" : cause.getClass().getName();
                    System.out.println("FAILED: " + what + ": got a " +
                                       "RuntimeOperationException wrapping " +
                                       causeString);
                    failed++;
                }
                continue;
            }

            System.out.println("Encoded " + what + " as " + xml);

            final DescriptorSupport out;
            try {
                out = new DescriptorSupport(xml);
            } catch (Exception e) {
                System.out.println("FAILED: " + what + ": got an exception:");
                e.printStackTrace(System.out);
                failed++;
                continue;
            }

            final String[] names = out.getFieldNames();
            if (names.length != 1 || !"bloo".equals(names[0])) {
                System.out.println("FAILED: decoded names wrong: " +
                                   Arrays.asList(names));
                failed++;
                continue;
            }

            final Object[] values = out.getFieldValues(names);
            if (values.length != 1) {
                System.out.println("FAILED: wrong number of values: " +
                                   Arrays.asList(values));
                failed++;
                continue;
            }

            final Object outValue = values[0];

            if (v == null) {
                if (outValue == null)
                    System.out.println("OK: decoded null value");
                else {
                    System.out.println("FAILED: decoded null value as " +
                                       outValue.getClass().getName() + "{" +
                                       outValue + "}");
                    failed++;
                }
                continue;
            }

            if (outValue == null) {
                System.out.println("FAILED: decoded non-null value as null");
                failed++;
                continue;
            }

            if (v.getClass() != outValue.getClass()) {
                System.out.println("FAILED: decoded value has class " +
                                   outValue.getClass().getName() + "{" +
                                   outValue + "}");
                failed++;
                continue;
            }

            if (v.equals(outValue))
                System.out.println("OK: decoded value is equal to original");
            else {
                System.out.println("FAILED: decoded value is different: {" +
                                   outValue + "}");
                failed++;
            }
        }

        if (failed == 0)
            System.out.println("OK: all tests passed");
        else {
            System.out.println("TEST FAILED: fail count: " + failed);
            System.exit(1);
        }
    }
}

Other Java examples (source code examples)

Here is a short list of links related to this Java DescriptorSupportXMLTest.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.