/*
 * Copyright (c) 2014, 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.
 */

package stream.XMLStreamReaderTest;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.events.XMLEvent;

import org.testng.Assert;
import org.testng.annotations.Test;

/*
 * @bug 6440324
 * @summary Test StAX can accept non-existent DTD if IS_VALIDATING if false.
 */
public class IsValidatingTest {

    /**
     * File with non-existent DTD.
     */
    private static final String INPUT_FILE = "IsValidatingTest.xml";
    /**
     * File with internal subset and non-existent DTD.
     */
    private static final String INPUT_FILE_INTERNAL_SUBSET = "IsValidatingTestInternalSubset.xml";

    /**
     * Test StAX with IS_VALIDATING = false and a non-existent DTD.
     * Test should pass.
     *
     * Try to parse an XML file that references a a non-existent DTD.
     * Desired behavior:
     *     If IS_VALIDATING == false, then continue processing.
     *
     * Note that an attempt is made to read the DTD even if IS_VALIDATING == false.
     * This is not required for DTD validation, but for entity resolution.
     * The XML specification allows the optional reading of an external DTD
     * even for non-validating processors.
     *
     */
    @Test
    public void testStAXIsValidatingFalse() {

        XMLStreamReader reader = null;
        Boolean isValidating = null;
        String propertyValues = null;
        boolean dtdEventOccured = false;

        XMLInputFactory xif = XMLInputFactory.newInstance();
        xif.setProperty(XMLInputFactory.IS_VALIDATING, Boolean.FALSE);

        try {
            reader = xif.createXMLStreamReader(this.getClass().getResource(INPUT_FILE).toExternalForm(), this.getClass().getResourceAsStream(INPUT_FILE));

            isValidating = (Boolean) reader.getProperty(XMLInputFactory.IS_VALIDATING);
            propertyValues = "IS_VALIDATING=" + isValidating;

            while (reader.hasNext()) {
                int e = reader.next();
                if (e == XMLEvent.DTD) {
                    dtdEventOccured = true;
                    System.out.println("testStAXIsValidatingFalse(): " + "reader.getText() with Event == DTD: " + reader.getText());
                }
            }

            // expected success

            // should have see DTD Event
            if (!dtdEventOccured) {
                Assert.fail("Unexpected failure: did not see DTD event");
            }
        } catch (Exception e) {
            // unexpected failure
            System.err.println("Exception with reader.getEventType(): " + reader.getEventType());
            e.printStackTrace();
            Assert.fail("Unexpected failure with " + propertyValues + ", " + e.toString());
        }
    }

    /**
     * Test StAX with IS_VALIDATING = false, an internal subset and a
     * non-existent DTD.
     *
     * Test should pass.
     */
    @Test
    public void testStAXIsValidatingFalseInternalSubset() {

        XMLStreamReader reader = null;
        Boolean isValidating = null;
        String propertyValues = null;
        boolean dtdEventOccured = false;
        boolean entityReferenceEventOccured = false;

        XMLInputFactory xif = XMLInputFactory.newInstance();
        xif.setProperty(XMLInputFactory.IS_VALIDATING, Boolean.FALSE);
        xif.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.FALSE);

        try {
            reader = xif.createXMLStreamReader(this.getClass().getResource(INPUT_FILE).toExternalForm(),
                    this.getClass().getResourceAsStream(INPUT_FILE_INTERNAL_SUBSET));

            isValidating = (Boolean) reader.getProperty(XMLInputFactory.IS_VALIDATING);
            propertyValues = "IS_VALIDATING=" + isValidating;

            while (reader.hasNext()) {
                int e = reader.next();
                if (e == XMLEvent.DTD) {
                    dtdEventOccured = true;
                    System.out.println("testStAXIsValidatingFalseInternalSubset(): " + "reader.getText() with Event == DTD: " + reader.getText());
                } else if (e == XMLEvent.ENTITY_REFERENCE) {
                    // expected ENTITY_REFERENCE values?
                    if (reader.getLocalName().equals("foo") && reader.getText().equals("bar")) {
                        entityReferenceEventOccured = true;
                    }

                    System.out.println("testStAXIsValidatingFalseInternalSubset(): " + "reader.get(LocalName, Text)() with Event " + " == ENTITY_REFERENCE: "
                            + reader.getLocalName() + " = " + reader.getText());
                }
            }

            // expected success

            // should have see DTD Event
            if (!dtdEventOccured) {
                Assert.fail("Unexpected failure: did not see DTD event");
            }

            // should have seen an ENITY_REFERENCE Event
            if (!entityReferenceEventOccured) {
                Assert.fail("Unexpected failure: did not see ENTITY_REFERENCE event");
            }
        } catch (Exception e) {
            // unexpected failure
            System.err.println("Exception with reader.getEventType(): " + reader.getEventType());
            e.printStackTrace();
            Assert.fail("Unexpected failure with " + propertyValues + ", " + e.toString());
        }
    }
}