/*

 * Copyright (c) 2016, 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

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 */

package stream.XMLEventReaderTest;

import java.io.StringReader;

import javax.xml.stream.XMLEventReader;

import javax.xml.stream.XMLInputFactory;

import javax.xml.stream.XMLStreamException;

import javax.xml.stream.events.XMLEvent;

import org.testng.Assert;

import org.testng.annotations.Test;

import com.sun.org.apache.xerces.internal.impl.XMLEntityManager;

/*

 * @bug 8153781

 * @summary Test if method skipDTD of class XMLDTDScannerImpl will correctly skip the DTD section,

 *          even if a call to XMLEntityScanner.scanData for skipping to the closing ']' returns true.

 */

public class Bug8153781 {

    public static int DOCTYPE_SECTION_LENGTH = XMLEntityManager.DEFAULT_BUFFER_SIZE * 2;

    public static int DOCUMENT_LENGTH = DOCTYPE_SECTION_LENGTH + 4096;

    public String createXMLDocument(int doctypeoffset) {

        StringBuilder xmlcontentbuilder = new StringBuilder(DOCUMENT_LENGTH);

        xmlcontentbuilder.append("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\r\n");

        xmlcontentbuilder.append("<!DOCTYPE dummy [\r\n");

        xmlcontentbuilder.append("  <!ELEMENT dummy EMPTY>\r\n");

        xmlcontentbuilder.append("  <!--\r\n");

        int doctypelines = DOCTYPE_SECTION_LENGTH / 3;

        for (int i = 0; i < doctypeoffset; i++)

            xmlcontentbuilder.append('a');

        for (int i = 0; i < doctypelines; i++)

            xmlcontentbuilder.append("a\r\n");

        xmlcontentbuilder.append("  -->\r\n");

        xmlcontentbuilder.append("  ]\r\n");

        xmlcontentbuilder.append(">\r\n");

        xmlcontentbuilder.append("<dummy>\r\n");

        xmlcontentbuilder.append("</dummy>\r\n");

        System.out.println("Document length:" + xmlcontentbuilder.length());

        return xmlcontentbuilder.toString();

    }

    public void runReader(XMLInputFactory factory, int offset) throws XMLStreamException {

        StringReader stringReader = new StringReader(createXMLDocument(offset));

        XMLEventReader reader = factory.createXMLEventReader(stringReader);

        while (reader.hasNext()) {

            XMLEvent event = reader.nextEvent();

            System.out.println("Event Type: " + event.getEventType());

        }

    }

    @Test

    public void test() {

        try {

            XMLInputFactory factory = XMLInputFactory.newInstance();

            factory.setProperty(XMLInputFactory.SUPPORT_DTD, false);

            for (int i = 0; i < 3; i++) {

                runReader(factory, i);

            }

        } catch (XMLStreamException xe) {

            xe.printStackTrace();

            Assert.fail(xe.getMessage());

        }

    }

}