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Java example source code file (bug7165725.java)

This example Java source code file (bug7165725.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

arraylist, awt, exception, failed, filereader, goldenelement, gui, jeditorpane, net, parserdelegator, runnable, runtimeexception, sbparsercallback, string, stringbuilder, swing, tag, text, url, util

The bug7165725.java Java example source code

/*
 * Copyright (c) 2012, 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 7165725
   @summary  Tests if HTML parser can handle successive script tags in a line
             and it does not call false text callback after script tags.
   @run main bug7165725
*/

import sun.awt.SunToolkit;

import java.awt.BorderLayout;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.swing.*;
import javax.swing.text.AbstractDocument.AbstractElement;
import javax.swing.text.AbstractDocument;
import javax.swing.text.Document;
import javax.swing.text.MutableAttributeSet;
import javax.swing.text.html.HTML;
import javax.swing.text.html.HTMLDocument;
import javax.swing.text.html.HTMLEditorKit;
import javax.swing.text.html.parser.ParserDelegator;

public class bug7165725 extends JFrame {
    private static class GoldenElement {

        private String goldenName;
        private List<GoldenElement> goldenChildren;

        GoldenElement(String goldenName, GoldenElement... goldenChildren){
            this.goldenName = goldenName;
            if (goldenChildren != null) {
                this.goldenChildren = Arrays.asList(goldenChildren);
            } else {
                this.goldenChildren = new ArrayList<>();
            }
        }

        // throws RuntimeException if not ok
        public void checkStructureEquivalence(AbstractDocument.AbstractElement elem) {
            String name = elem.getName();
            if (!goldenName.equals(name)) {
                throw new RuntimeException("Bad structure: expected element name is '" + goldenName + "' but the actual name was '" + name + "'.");
            }
            int goldenChildCount = goldenChildren.size();
            int childCount = elem.getChildCount();
            if (childCount != goldenChildCount) {
                System.out.print("D: children: ");
                for (int i = 0; i < childCount; i++) {
                    System.out.print(" " + elem.getElement(i).getName());
                }
                System.out.println("");
                System.out.print("D: goldenChildren: ");
                for (GoldenElement ge : goldenChildren) {
                    System.out.print(" " + ge.goldenName);
                }
                System.out.println("");

                throw new RuntimeException("Bad structure: expected child count of element '" + goldenName + "' is '" + goldenChildCount + "' but the actual count was '" + childCount + "'.");
            }
            for (int i = 0; i < childCount; i++) {
                AbstractDocument.AbstractElement nextElem = (AbstractDocument.AbstractElement) elem.getElement(i);
                GoldenElement goldenElement = goldenChildren.get(i);
                goldenElement.checkStructureEquivalence(nextElem);
            }
        }
    }

    private JEditorPane editorPane;
    public void execute(final String urlStr, final GoldenElement goldenElement) throws Exception {
        System.out.println();
        System.out.println("***** TEST: " + urlStr + " *****");
        System.out.println();

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                try {
                    editorPane = new JEditorPane();
                    editorPane.setEditorKit(new HTMLEditorKit() {
                        public Document createDefaultDocument() {
                            AbstractDocument doc =
                                    (AbstractDocument) super.createDefaultDocument();
                            doc.setAsynchronousLoadPriority(-1);
                            return doc;
                        }
                    });
                    editorPane.setPage(new URL(urlStr));
                } catch (IOException ex) {
                    throw new RuntimeException("Test failed", ex);
                }
                editorPane.setEditable(false);
                JScrollPane scroller = new JScrollPane();
                JViewport vp = scroller.getViewport();
                vp.add(editorPane);
                add(scroller, BorderLayout.CENTER);
                setDefaultCloseOperation(EXIT_ON_CLOSE);
                setSize(400, 400);
                setLocationRelativeTo(null);
                setVisible(true);
            }
        });

        ((SunToolkit) SunToolkit.getDefaultToolkit()).realSync();

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                HTMLDocument doc = (HTMLDocument) editorPane.getDocument();
                doc.dump(System.out);
                goldenElement.checkStructureEquivalence((AbstractElement) doc.getDefaultRootElement());
                dispose();
            }
        });

        System.out.println();
        System.out.println("*********************************");
        System.out.println();
    }

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

        String dirURL = getDirURL();

        System.out.println("dirURL = " + dirURL);

        new bug7165725().execute(dirURL + "successive-script-tag.html", createSuccessiveScriptTags());
        new bug7165725().execute(dirURL + "false-text-after-script.html", createFalseTextAfterScript());

        checkByCallbackForSuccessiveScript();
        checkByCallbackForFalseTextAfterScript();

        System.out.println();
        System.out.println();
        System.out.println("Test passed.");
    }

    static String getDirURL() {
        return "file:///" +
                new File(System.getProperty("test.src", ".")).getAbsolutePath() +
                File.separator;
    }

    static String getParsedContentOneLine(String path) throws Exception {
        File f = new File(path);
        FileReader fr = new FileReader(f);
        ParserDelegator pd = new ParserDelegator();
        SBParserCallback sbcallback = new SBParserCallback();
        pd.parse(fr, sbcallback, true);
        fr.close();
        return sbcallback.getStringOneLine();
    }

    static String getParsedContentOneLine(URL url) throws Exception {
        return getParsedContentOneLine(url.getPath());
    }

    static void checkByCallbackForSuccessiveScript() throws Exception {
        String content = getParsedContentOneLine(new URL(getDirURL() + "successive-script-tag.html"));
        if (!content.matches(".*<script .*/js/js1\\.js.*