/*
 * Copyright (c) 2014, 2015, 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 validation;

import java.io.IOException;
import java.io.StringReader;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.ValidatorHandler;

import org.testng.Assert;
import org.testng.annotations.Test;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;

/*
 * @bug 4969042
 * @summary Test ValidationHandler shall invoke ignorableWhitespace() of the
 * user-defined ContentHandler once the validator detects any ignorable whitespaces.
 */
public class Bug4969042 {

    public static final String XSD = "<?xml version='1.0'?>\n" + "<schema xmlns='http://www.w3.org/2001/XMLSchema'\n" + "        xmlns:test='jaxp13_test'\n"
            + "        targetNamespace='jaxp13_test'\n" + "        elementFormDefault='qualified'>\n" + "    <element name='test'>\n"
            + "        <complexType>\n" + "            <sequence>\n" + "                <element name='child' type='string'/>\n" + "            </sequence>\n"
            + "        </complexType>\n" + "    </element>\n" + "</schema>\n";

    public static final String XML = "<?xml version='1.0'?>\n" + "<ns:test xmlns:ns='jaxp13_test'>\n" + "  <ns:child>\n" + "      123abc\n" + "  </ns:child>\n"
            + "</ns:test>\n";

    private ValidatorHandler createValidatorHandler(String xsd) throws SAXException {
        SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");

        StringReader reader = new StringReader(xsd);
        StreamSource xsdSource = new StreamSource(reader);

        Schema schema = schemaFactory.newSchema(xsdSource);
        return schema.newValidatorHandler();
    }

    private XMLReader createXMLReader() throws ParserConfigurationException, SAXException {
        SAXParserFactory parserFactory = SAXParserFactory.newInstance();
        if (!parserFactory.isNamespaceAware()) {
            parserFactory.setNamespaceAware(true);
        }

        return parserFactory.newSAXParser().getXMLReader();
    }

    private void parse(XMLReader xmlReader, String xml) throws SAXException, IOException {
        StringReader reader = new StringReader(xml);
        InputSource inSource = new InputSource(reader);

        xmlReader.parse(inSource);
    }

    @Test
    public void test() throws SAXException, ParserConfigurationException, IOException {
        XMLReader xmlReader = createXMLReader();
        ValidatorHandler validatorHandler = createValidatorHandler(XSD);
        xmlReader.setContentHandler(validatorHandler);

        final boolean[] invoked = { false, false };
        DefaultHandler contentHandler = new DefaultHandler() {
            public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {
                invoked[0] = true;
            }

            public void characters(char[] ch, int start, int length) throws SAXException {
                invoked[1] = true;
            }
        };
        validatorHandler.setContentHandler(contentHandler);

        parse(xmlReader, XML);

        Assert.assertTrue(invoked[0], "Method ignorableWhitespace() was not invoked.");
        Assert.assertTrue(invoked[1], "Method characters() was not invoked.");
    }
}