Java 类javax.xml.parsers.SAXParser 实例源码

@Test
public void test() throws SAXException, ParserConfigurationException, IOException {
    Schema schema = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema").newSchema(new StreamSource(new StringReader(xmlSchema)));

    SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
    saxParserFactory.setNamespaceAware(true);
    saxParserFactory.setSchema(schema);
    // saxParserFactory.setFeature("http://java.sun.com/xml/schema/features/report-ignored-element-content-whitespace",
    // true);

    SAXParser saxParser = saxParserFactory.newSAXParser();

    XMLReader xmlReader = saxParser.getXMLReader();

    xmlReader.setContentHandler(new MyContentHandler());

    // InputStream input =
    // ClassLoader.getSystemClassLoader().getResourceAsStream("test/test.xml");

    InputStream input = getClass().getResourceAsStream("Bug6946312.xml");
    System.out.println("Parse InputStream:");
    xmlReader.parse(new InputSource(input));
    if (!charEvent) {
        Assert.fail("missing character event");
    }
}

private static SAXParser getSAXParser(
    boolean validating,
    JspDocumentParser jspDocParser)
    throws Exception {

    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);

    // Preserve xmlns attributes
    factory.setFeature(
        "http://xml.org/sax/features/namespace-prefixes",
        true);
    factory.setValidating(validating);
    //factory.setFeature(
    //    "http://xml.org/sax/features/validation",
    //    validating);

    // Configure the parser
    SAXParser saxParser = factory.newSAXParser();
    XMLReader xmlReader = saxParser.getXMLReader();
    xmlReader.setProperty(LEXICAL_HANDLER_PROPERTY, jspDocParser);
    xmlReader.setErrorHandler(jspDocParser);

    return saxParser;
}

/**
 * Configure schema validation as recommended by the JAXP 1.2 spec.
 * The <code>properties</code> object may contains information about
 * the schema local and language. 
 * @param properties parser optional info
 */
private static void configureOldXerces(SAXParser parser, 
                                       Properties properties) 
        throws ParserConfigurationException, 
               SAXNotSupportedException {

    String schemaLocation = (String)properties.get("schemaLocation");
    String schemaLanguage = (String)properties.get("schemaLanguage");

    try{
        if (schemaLocation != null) {
            parser.setProperty(JAXP_SCHEMA_LANGUAGE, schemaLanguage);
            parser.setProperty(JAXP_SCHEMA_SOURCE, schemaLocation);
        }
    } catch (SAXNotRecognizedException e){
        log.info(parser.getClass().getName() + ": " 
                                    + e.getMessage() + " not supported."); 
    }

}

/**
 * Create a <code>SAXParser</code> configured to support XML Schema and DTD
 * @param properties parser specific properties/features
 * @return an XML Schema/DTD enabled <code>SAXParser</code>
 */
public static SAXParser newSAXParser(Properties properties)
        throws ParserConfigurationException, 
               SAXException,
               SAXNotRecognizedException{ 

    SAXParserFactory factory = 
                    (SAXParserFactory)properties.get("SAXParserFactory");
    SAXParser parser = factory.newSAXParser();
    String schemaLocation = (String)properties.get("schemaLocation");
    String schemaLanguage = (String)properties.get("schemaLanguage");

    try{
        if (schemaLocation != null) {
            parser.setProperty(JAXP_SCHEMA_LANGUAGE, schemaLanguage);
            parser.setProperty(JAXP_SCHEMA_SOURCE, schemaLocation);
        }
    } catch (SAXNotRecognizedException e){
        log.info(parser.getClass().getName() + ": "  
                                    + e.getMessage() + " not supported."); 
    }
    return parser;
}

/**
 * Test default handler that transverses XML and  print all visited node.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testDefaultHandler() throws Exception {
    String outputFile = USER_DIR + "DefaultHandler.out";
    String goldFile = GOLDEN_DIR + "DefaultHandlerGF.out";
    String xmlFile = XML_DIR + "namespace1.xml";

    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    SAXParser saxparser = spf.newSAXParser();

    MyDefaultHandler handler = new MyDefaultHandler(outputFile);
    File file = new File(xmlFile);
    String Absolutepath = file.getAbsolutePath();
    String newAbsolutePath = Absolutepath;
    if (File.separatorChar == '\\')
            newAbsolutePath = Absolutepath.replace('\\', '/');
    saxparser.parse("file:///" + newAbsolutePath, handler);

    assertTrue(compareWithGold(goldFile, outputFile));

}

/**
 * <p><b>Description:</b> Test the conrefs are handled by the SAXParser.</p>
 * <p><b>Bug ID:</b> #15</p>
 *
 * @author adrian_sorop
 *
 * @throws Exception
 */
public void testSaxParserConref() throws Exception {
  File ditaFile = new File(TestUtil.getPath("issue-15_1/topics"),"topic2.dita");
  assertTrue("UNABLE TO LOAD FILE", ditaFile.exists());
  URL url = URLUtil.correct(ditaFile);

  SAXParserFactory factory = SAXParserFactory.newInstance();
  // Ignore the DTD declaration
  factory.setValidating(false);
  factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
  factory.setFeature("http://xml.org/sax/features/validation", false);

  SAXParser parser = factory.newSAXParser();
  SaxContentHandler handler= new SaxContentHandler(url);
  parser.parse(ditaFile, handler);

  List<ReferencedResource> referredFiles = new ArrayList<ReferencedResource>();
  referredFiles.addAll(handler.getDitaMapHrefs());

  assertEquals("Two files should have been referred.", 2, referredFiles.size());

  assertTrue("Should be a content reference to topicConref.dita but was" + referredFiles.get(1).getLocation(), 
      referredFiles.get(1).getLocation().toString().contains("issue-15_1/topics/topicConref.dita"));
  assertTrue("Should be a xref to topic3.dita", 
      referredFiles.get(0).getLocation().toString().contains("issue-15_1/topics/topic3.dita"));
}

/**
 * Test with valid input source, parser should parse the XML document
 * successfully.
 *
 * @param saxparser a SAXParser instance.
 * @throws Exception If any errors occur.
 */
@Test(dataProvider = "parser-provider")
public void testParse25(SAXParser saxparser) throws Exception {
    try (FileInputStream instream = new FileInputStream(
            new File(XML_DIR, "parsertest.xml"))) {
        saxparser.parse(instream, new DefaultHandler(),
            new File(XML_DIR).toURI().toASCIIString());
    }
}

public void parse(InputStream xml, OutputStream finf, String workingDirectory) throws Exception {
    StAXDocumentSerializer documentSerializer = new StAXDocumentSerializer();
    documentSerializer.setOutputStream(finf);

    SAX2StAXWriter saxTostax = new SAX2StAXWriter(documentSerializer);

    SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
    saxParserFactory.setNamespaceAware(true);
    SAXParser saxParser = saxParserFactory.newSAXParser();

    XMLReader reader = saxParser.getXMLReader();
    reader.setProperty("http://xml.org/sax/properties/lexical-handler", saxTostax);
    reader.setContentHandler(saxTostax);

    if (workingDirectory != null) {
        reader.setEntityResolver(createRelativePathResolver(workingDirectory));
    }
    reader.parse(new InputSource(xml));

    xml.close();
    finf.close();
}

private static SAXParser allowFileAccess(SAXParser saxParser, boolean disableSecureProcessing) throws SAXException {

        // if feature secure processing enabled, nothing to do, file is allowed,
        // or user is able to control access by standard JAXP mechanisms
        if (disableSecureProcessing) {
            return saxParser;
        }

        try {
            saxParser.setProperty(ACCESS_EXTERNAL_SCHEMA, "file");
            LOGGER.log(Level.FINE, Messages.format(Messages.JAXP_SUPPORTED_PROPERTY, ACCESS_EXTERNAL_SCHEMA));
        } catch (SAXException ignored) {
            // nothing to do; support depends on version JDK or SAX implementation
            LOGGER.log(Level.CONFIG, Messages.format(Messages.JAXP_UNSUPPORTED_PROPERTY, ACCESS_EXTERNAL_SCHEMA), ignored);
        }
        return saxParser;
    }

/**Parses the XML to fetch parameters.
 * @param inputFile, source XML  
 * @return true, if XML is successfully parsed.
 * @throws Exception 
 */
public boolean parseXML(File inputFile,UIComponentRepo componentRepo) throws ParserConfigurationException, SAXException, IOException{
     LOGGER.debug("Parsing target XML for separating Parameters");
        SAXParserFactory factory = SAXParserFactory.newInstance();
        SAXParser saxParser;
    try {
        factory.setFeature(Constants.DISALLOW_DOCTYPE_DECLARATION,true);
        saxParser = factory.newSAXParser();
        XMLHandler xmlhandler = new XMLHandler(componentRepo);
        saxParser.parse(inputFile, xmlhandler);
        return true;
    } catch (ParserConfigurationException | SAXException | IOException exception) {
         LOGGER.error("Parsing failed...",exception);
        throw exception; 
    }
  }

/**
 * Reads a {@link CategoryDataset} from a stream.
 *
 * @param in  the stream.
 *
 * @return A dataset.
 *
 * @throws IOException if there is a problem reading the file.
 */
public static CategoryDataset readCategoryDatasetFromXML(final InputStream in) throws IOException {

    CategoryDataset result = null;

    final SAXParserFactory factory = SAXParserFactory.newInstance();
    try {
        final SAXParser parser = factory.newSAXParser();
        final CategoryDatasetHandler handler = new CategoryDatasetHandler();
        parser.parse(in, handler);
        result = handler.getDataset();
    }
    catch (SAXException e) {
        System.out.println(e.getMessage());
    }
    catch (ParserConfigurationException e2) {
        System.out.println(e2.getMessage());
    }
    return result;

}

@Test
public void testInstance() throws ParserConfigurationException, SAXException, IOException {
    System.out.println(Bug6963468Test.class.getResource("Bug6963468.xsd").getPath());
    File schemaFile = new File(Bug6963468Test.class.getResource("Bug6963468.xsd").getPath());
    SAXParser parser = createParser(schemaFile);

    try {
        parser.parse(Bug6963468Test.class.getResource("Bug6963468.xml").getPath(), new DefaultHandler());
    } catch (SAXException e) {
        e.printStackTrace();
        Assert.fail("Fatal Error: " + strException(e));
    }

}

protected static SAXParser createParser() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    spf.setValidating(true);
    SAXParser parser = spf.newSAXParser();
    parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaLanguage", "http://www.w3.org/2001/XMLSchema");

    return parser;
}

/**
 * Find the line number of a target in an Ant script, or some other line in an XML file.
 * Able to find a certain element with a certain attribute matching a given value.
 * See also AntTargetNode.TargetOpenCookie.
 * @param file an Ant script or other XML file
 * @param match the attribute value to match (e.g. target name)
 * @param elementLocalName the (local) name of the element to look for
 * @param elementAttributeName the name of the attribute to match on
 * @return the line number (0-based), or -1 if not found
 */
static final int findLine(FileObject file, final String match, final String elementLocalName, final String elementAttributeName) throws IOException, SAXException, ParserConfigurationException {
    InputSource in = new InputSource(file.getURL().toString());
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);
    SAXParser parser = factory.newSAXParser();
    final int[] line = new int[] {-1};
    class Handler extends DefaultHandler {
        private Locator locator;
        public void setDocumentLocator(Locator l) {
            locator = l;
        }
        public void startElement(String uri, String localname, String qname, Attributes attr) throws SAXException {
            if (line[0] == -1) {
                if (localname.equals(elementLocalName) && match.equals(attr.getValue(elementAttributeName))) { // NOI18N
                    line[0] = locator.getLineNumber() - 1;
                }
            }
        }
    }
    parser.parse(in, new Handler());
    return line[0];
}

private static void receiveXMLStream(final InputStream inStream,
                                     final DefaultHandler defHandler)
        throws ParserConfigurationException, SAXException, IOException {
    // ...
    SAXParserFactory spf = SAXParserFactory.newInstance();
    final SAXParser saxParser = spf.newSAXParser();

    try {
        AccessController.doPrivileged(new PrivilegedExceptionAction() {
            public Object run() throws SAXException, IOException {
                saxParser.parse(inStream, defHandler);
                return null;
            }
        }, RESTRICTED_ACCESS_CONTROL); // From nested class
    } catch (PrivilegedActionException pae) {
        System.out.println("Filesystem access blocked");
        pae.printStackTrace();
    }

}

/**
 * Testing set MaxOccursLimit to 10000 in the secure processing enabled for
 * SAXParserFactory.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testMaxOccurLimitPos() throws Exception {
    String schema_file = XML_DIR + "toys.xsd";
    String xml_file = XML_DIR + "toys.xml";
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setValidating(true);
    factory.setFeature(FEATURE_SECURE_PROCESSING, true);
    setSystemProperty(SP_MAX_OCCUR_LIMIT, String.valueOf(10000));
    SAXParser parser = factory.newSAXParser();
    parser.setProperty(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA_NS_URI);
    parser.setProperty(JAXP_SCHEMA_SOURCE, new File(schema_file));
    try (InputStream is = new FileInputStream(xml_file)) {
        MyErrorHandler eh = new MyErrorHandler();
        parser.parse(is, eh);
        assertFalse(eh.isAnyError());
    }
}

private BeansXml readBeansXml(BeanArchive beanArchive, ClasspathResource resource) {
    try {
        final SAXParserFactory factory = SAXParserFactory.newInstance();
        factory.setValidating(true);
        factory.setNamespaceAware(true);
        final SAXParser parser = factory.newSAXParser();
        final InputSource source = new InputSource(new ByteArrayInputStream(resource.getBytes()));
        if (source.getByteStream().available() == 0) {
            // The file is just acting as a marker file
            return EMPTY_BEANS_XML;
        }
        final BeansXmlHandler handler = new BeansXmlHandler(beanArchive.getClasspathEntry().getURL());
        parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaLanguage", "http://www.w3.org/2001/XMLSchema");
        parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaSource", loadXsds());
        parser.parse(source, handler);
        return handler.createBeansXml();
    } catch (final SAXException | ParserConfigurationException | IOException e) {
        throw new TestEEfiException(
                "Failed to parse META-INF/beans.xml in " + beanArchive.getClasspathEntry().getURL(),
                e
        );
    }
}

/**
 * Unit test for entityResolver setter.
 *
 * @throws Exception If any errors occur.
 */
public void testResolver() throws Exception {
    String outputFile = USER_DIR + "EntityResolver.out";
    String goldFile = GOLDEN_DIR + "EntityResolverGF.out";
    String xmlFile = XML_DIR + "publish.xml";

    Files.copy(Paths.get(XML_DIR + "publishers.dtd"),
            Paths.get(USER_DIR + "publishers.dtd"), REPLACE_EXISTING);
    Files.copy(Paths.get(XML_DIR + "familytree.dtd"),
            Paths.get(USER_DIR + "familytree.dtd"), REPLACE_EXISTING);

    try(FileInputStream instream = new FileInputStream(xmlFile);
            MyEntityResolver eResolver = new MyEntityResolver(outputFile)) {
        SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
        XMLReader xmlReader = saxParser.getXMLReader();
        xmlReader.setEntityResolver(eResolver);
        InputSource is = new InputSource(instream);
        xmlReader.parse(is);
    }
    assertTrue(compareWithGold(goldFile, outputFile));
}

/**
 * Parses a set of styles from <code>inputStream</code>, adding the
 * resulting styles to the passed in DefaultSynthStyleFactory.
 * Resources are resolved either from a URL or from a Class. When calling
 * this method, one of the URL or the Class must be null but not both at
 * the same time.
 *
 * @param inputStream XML document containing the styles to read
 * @param factory DefaultSynthStyleFactory that new styles are added to
 * @param urlResourceBase the URL used to resolve any resources, such as Images
 * @param classResourceBase the Class used to resolve any resources, such as Images
 * @param defaultsMap Map that UIDefaults properties are placed in
 */
public void parse(InputStream inputStream,
                  DefaultSynthStyleFactory factory,
                  URL urlResourceBase, Class<?> classResourceBase,
                  Map<String, Object> defaultsMap)
                  throws ParseException, IllegalArgumentException {
    if (inputStream == null || factory == null ||
        (urlResourceBase == null && classResourceBase == null)) {
        throw new IllegalArgumentException(
            "You must supply an InputStream, StyleFactory and Class or URL");
    }

    assert(!(urlResourceBase != null && classResourceBase != null));

    _factory = factory;
    _classResourceBase = classResourceBase;
    _urlResourceBase = urlResourceBase;
    _defaultsMap = defaultsMap;
    try {
        try {
            SAXParser saxParser = SAXParserFactory.newInstance().
                                               newSAXParser();
            saxParser.parse(new BufferedInputStream(inputStream), this);
        } catch (ParserConfigurationException e) {
            throw new ParseException("Error parsing: " + e, 0);
        }
        catch (SAXException se) {
            throw new ParseException("Error parsing: " + se + " " +
                                     se.getException(), 0);
        }
        catch (IOException ioe) {
            throw new ParseException("Error parsing: " + ioe, 0);
        }
    } finally {
        reset();
    }
}

private static void parse(Bundle bundle, InputStream is, Collection<PersistenceUnit> punits) {
    SAXParserFactory parserFactory = SAXParserFactory.newInstance();
    try {
        SAXParser parser = parserFactory.newSAXParser();
        JPAHandler handler = new JPAHandler(bundle);
        parser.parse(is, handler);
        punits.addAll(handler.getPersistenceUnits());
    } catch (Exception e) {
        throw new RuntimeException("Error parsing persistence unit in bundle " + bundle.getSymbolicName(), e); // NOSONAR
    } finally {
        safeClose(is);
    }
}

/**
 * Create a <code>SAXParser</code> based on the underlying
 * <code>Xerces</code> version.
 * @param properties parser specific properties/features
 * @return an XML Schema/DTD enabled <code>SAXParser</code>
 */
public static SAXParser newSAXParser(Properties properties) 
        throws ParserConfigurationException, 
               SAXException,
               SAXNotSupportedException {

    SAXParserFactory factory =  
                    (SAXParserFactory)properties.get("SAXParserFactory");

    if (versionNumber == null){
        versionNumber = getXercesVersion();
        version = Float.parseFloat(versionNumber);
    }

    // Note: 2.2 is completely broken (with XML Schema). 
    if (version > 2.1) {

        configureXerces(factory);
        return factory.newSAXParser();
    } else {
        SAXParser parser = factory.newSAXParser();
        configureOldXerces(parser,properties);
        return parser;
    }
}

/**
 * 返回解析器
 * Return the SAXParser we will use to parse the input stream.  If there
 * is a problem creating the parser, return <code>null</code>.
 */
public SAXParser getParser() {

    // Return the parser we already created (if any)
    if (parser != null) {
        return (parser);
    }

    // Create a new parser
    try {
        parser = getFactory().newSAXParser();
    } catch (Exception e) {
        log.error("Digester.getParser: ", e);
        return (null);
    }

    return (parser);

}

/**
 * Error Handler to capture all error events to output file. Verifies the
 * output file is same as golden file.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testEHFatal() throws Exception {
    String outputFile = USER_DIR + "EHFatal.out";
    String goldFile = GOLDEN_DIR + "EHFatalGF.out";
    String xmlFile = XML_DIR + "invalid.xml";

    try(MyErrorHandler eHandler = new MyErrorHandler(outputFile);
            FileInputStream instream = new FileInputStream(xmlFile)) {
        SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
        XMLReader xmlReader = saxParser.getXMLReader();
        xmlReader.setErrorHandler(eHandler);
        InputSource is = new InputSource(instream);
        xmlReader.parse(is);
        fail("Parse should throw SAXException");
    } catch (SAXException expected) {
        // This is expected.
    }
    // Need close the output file before we compare it with golden file.
    assertTrue(compareWithGold(goldFile, outputFile));
}

private static SAXParser allowFileAccess(SAXParser saxParser, boolean disableSecureProcessing) throws SAXException {

        // if feature secure processing enabled, nothing to do, file is allowed,
        // or user is able to control access by standard JAXP mechanisms
        if (disableSecureProcessing) {
            return saxParser;
        }

        try {
            saxParser.setProperty(ACCESS_EXTERNAL_SCHEMA, "file");
            LOGGER.log(Level.FINE, Messages.format(Messages.JAXP_SUPPORTED_PROPERTY, ACCESS_EXTERNAL_SCHEMA));
        } catch (SAXException ignored) {
            // nothing to do; support depends on version JDK or SAX implementation
            LOGGER.log(Level.CONFIG, Messages.format(Messages.JAXP_UNSUPPORTED_PROPERTY, ACCESS_EXTERNAL_SCHEMA), ignored);
        }
        return saxParser;
    }

private void verifyXML(byte[] xml) throws IOException, SAXException,
        ParserConfigurationException {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);

    SchemaFactory sf = SchemaFactory
            .newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);

    ClassLoader classLoader = Thread.currentThread()
            .getContextClassLoader();
    if (classLoader == null) {
        classLoader = getClass().getClassLoader();
    }

    final Schema schema;
    try (InputStream inputStream = ResourceLoader.getResourceAsStream(
            getClass(), "TechnicalServices.xsd")) {
        schema = sf.newSchema(new StreamSource(inputStream));
    }
    spf.setSchema(schema);

    SAXParser saxParser = spf.newSAXParser();
    XMLReader reader = saxParser.getXMLReader();
    ErrorHandler errorHandler = new MyErrorHandler();
    reader.setErrorHandler(errorHandler);
    reader.parse(new InputSource(new ByteArrayInputStream(xml)));
}

@Test
public void testSaxParsing() throws ParserConfigurationException,
        SAXException, IOException {
    // given
    byte[] fileAsByteArray = BaseAdmUmTest.getFileAsByteArray(
            this.getClass(), FILE_TEST);
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
    assertTrue(spf.getFeature(XMLConstants.FEATURE_SECURE_PROCESSING));
    SAXParser saxParser = spf.newSAXParser();
    XMLReader reader = saxParser.getXMLReader();

    try {
        // when
        reader.parse(new InputSource(new ByteArrayInputStream(
                fileAsByteArray)));
        fail();
    } catch (SAXParseException e) {
        // then
        assertThatMaxEntitiesExceeded(e);
    }
}

/**
 * Load and read the manifest.xml for a Locale.
 * @param locale_manifest_in
 * @return
 */
public Locale load(InputStream locale_manifest_in) {
    LocaleParser localeParser = new LocaleParser();
    try {
        final SAXParserFactory spf = SAXParserFactory.newInstance();
        final SAXParser sp = spf.newSAXParser();
        final XMLReader xr = sp.getXMLReader();
        xr.setContentHandler(localeParser);
        xr.parse(new InputSource(new BufferedInputStream(locale_manifest_in)));
    } catch (Exception e) {
        Debug.e(e);
    }
    return localeParser.getLocale();
}

/**
 * <p><b>Description:</b> Verify the attribute collector over DITA map.
 * Collect referred files non-recursion.</p>
 * <p><b>Bug ID:</b> #9</p>
 *
 * @author adrian_sorop
 *
 * @throws Exception
 */
public void testSaxParser() throws Exception {

  File ditaFile = new File(rootDir,"rootMap.ditamap");
  assertTrue("UNABLE TO LOAD FILE", ditaFile.exists());
  URL url = URLUtil.correct(ditaFile);

  SAXParserFactory factory = SAXParserFactory.newInstance();
  // Ignore the DTD declaration
  factory.setValidating(false);
  factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
  factory.setFeature("http://xml.org/sax/features/validation", false);

  SAXParser parser = factory.newSAXParser();
  SaxContentHandler handler= new SaxContentHandler(url);
  parser.parse(ditaFile, handler);
  List<ReferencedResource> referredFiles = new ArrayList<ReferencedResource>();
  referredFiles.addAll(handler.getDitaMapHrefs());

  assertEquals("Two files should have been referred.", 2, referredFiles.size());
  assertTrue("Referred topic in dita maps should be topic2.dita", 
      referredFiles.toString().contains("issue-9/topics/topic2.dita"));
  assertTrue("Referred topic in dita maps should be topic1.dita", 
      referredFiles.toString().contains("issue-9/topics/topic1.dita"));
}

/**
 * Return the SAXParser we will use to parse the input stream. If there is a
 * problem creating the parser, return <code>null</code>.
 */
public SAXParser getParser() {

    // Return the parser we already created (if any)
    if (parser != null) {
        return (parser);
    }

    // Create a new parser
    try {
        parser = getFactory().newSAXParser();
    } catch (Exception e) {
        log.error("Digester.getParser: ", e);
        return (null);
    }

    return (parser);

}

/**
 * Configure schema validation as recommended by the JAXP 1.2 spec.
 * The <code>properties</code> object may contains information about
 * the schema local and language. 
 * @param properties parser optional info
 */
private static void configureOldXerces(SAXParser parser, 
                                       Properties properties) 
        throws ParserConfigurationException, 
               SAXNotSupportedException {

    String schemaLocation = (String)properties.get("schemaLocation");
    String schemaLanguage = (String)properties.get("schemaLanguage");

    try{
        if (schemaLocation != null) {
            parser.setProperty(JAXP_SCHEMA_LANGUAGE, schemaLanguage);
            parser.setProperty(JAXP_SCHEMA_SOURCE, schemaLocation);
        }
    } catch (SAXNotRecognizedException e){
        log.info(parser.getClass().getName() + ": " 
                                    + e.getMessage() + " not supported."); 
    }

}

@Override
protected Void call() throws Exception {
    Platform.runLater(this.observableList::clear);
    SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
    SAXParser saxParser = saxParserFactory.newSAXParser();
    try (ZipFile zipFile = new ZipFile(this.selectedFile)) {
        int workMax = zipFile.size();
        long workDone = 0;
        for (Enumeration<? extends ZipEntry> e = zipFile.entries(); e.hasMoreElements();) {
            ZipEntry zipEntry = e.nextElement();
            int position = zipEntry.getName().charAt(zipEntry.getName().length() - 7) - '0';
            SyantenAnalyzer analyzer = new SyantenAnalyzer(position);
            ParseHandler parseHandler = new ParseHandler(analyzer);
            try (InputStream is = zipFile.getInputStream(zipEntry);
                GZIPInputStream gzis = new GZIPInputStream(is)) {
                saxParser.parse(gzis, parseHandler);
            }
            ArrayList<MahjongScene> scenes = analyzer.getOriScenes();
            workDone++;
            Platform.runLater(() -> observableList.addAll(scenes));
            updateMessage(workDone + "/" + workMax);
            updateProgress(workDone, workMax);
        }
    }
    return null;
}

/**
 * Creates the image for the given display XML input source. (Note: The XML is an encoded
 * mxGraphView, not mxGraphModel.)
 * 
 * @param inputSource Input source that contains the display XML.
 * @return Returns an image representing the display XML input source.
 */
public static BufferedImage convert(InputSource inputSource, mxGraphViewImageReader viewReader)
    throws ParserConfigurationException, SAXException, IOException {
  BufferedImage result = null;
  SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
  XMLReader reader = parser.getXMLReader();

  reader.setContentHandler(viewReader);
  reader.parse(inputSource);

  if (viewReader.getCanvas() instanceof mxImageCanvas) {
    result = ((mxImageCanvas) viewReader.getCanvas()).destroy();
  }

  return result;
}

/**
 * Loads completions from an XML input stream.  The XML should validate
 * against <code>CompletionXml.dtd</code>.
 *
 * @param in The input stream to read from.
 * @param cl The class loader to use when loading any extra classes defined
 *        in the XML, such as custom {@link FunctionCompletion}s.  This
 *        may be <code>null</code> if the default is to be used, or if no
 *        custom completions are defined in the XML.
 * @throws IOException If an IO error occurs.
 */
public void loadFromXML(InputStream in, ClassLoader cl) throws IOException {

    //long start = System.currentTimeMillis();

    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setValidating(true);
    CompletionXMLParser handler = new CompletionXMLParser(this, cl);
    BufferedInputStream bin = new BufferedInputStream(in);
    try {
        SAXParser saxParser = factory.newSAXParser();
        saxParser.parse(bin, handler);
        List<Completion> completions =  handler.getCompletions();
        addCompletions(completions);
        char startChar = handler.getParamStartChar();
        if (startChar!=0) {
            char endChar = handler.getParamEndChar();
            String sep = handler.getParamSeparator();
            if (endChar!=0 && sep!=null && sep.length()>0) { // Sanity
                setParameterizedCompletionParams(startChar, sep, endChar);
            }
        }
    } catch (SAXException se) {
        throw new IOException(se.toString());
    } catch (ParserConfigurationException pce) {
        throw new IOException(pce.toString());
    } finally {
        //long time = System.currentTimeMillis() - start;
        //System.out.println("XML loaded in: " + time + "ms");
        bin.close();
    }

}

/**
 * Return the SAXParser we will use to parse the input stream.  If there
 * is a problem creating the parser, return <code>null</code>.
 */
public SAXParser getParser() {

    // Return the parser we already created (if any)
    if (parser != null) {
        return (parser);
    }

    // Create a new parser
    try {
        parser = getFactory().newSAXParser();
    } catch (Exception e) {
        log.error("Digester.getParser: ", e);
        return (null);
    }

    return (parser);

}

/**
 * Test an identity transform of an XML document with NS decls using a
 * non-ns-aware parser. Output result to a StreamSource. Set ns-awareness to
 * FALSE and prefixes to TRUE.
 */
@Test
public void testXMLNoNsAwareStreamResult2() {
    try {
        // Create SAX parser *without* enabling ns
        SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setNamespaceAware(false); // Same as default
        spf.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
        SAXParser sp = spf.newSAXParser();

        // Make sure that the output is well formed
        String xml = runTransform(sp);
        checkWellFormedness(xml);
    } catch (Throwable ex) {
        Assert.fail(ex.toString());
    }
}

/**
 * Parses input stream as an RSS 2.0 feed.
 *
 * @return in-memory representation of an RSS feed
 * @throws IllegalArgumentException if either argument is {@code null}
 */
private RSSFeed parse(SAXParser parser, InputStream feed)
        throws SAXException, IOException {
    if (parser == null) {
        throw new IllegalArgumentException("RSS parser must not be null.");
    } else if (feed == null) {
        throw new IllegalArgumentException("RSS feed must not be null.");
    }

    // SAX automatically detects the correct character encoding from the stream
    // See also http://www.w3.org/TR/REC-xml/#sec-guessing
    final InputSource source = new InputSource(feed);
    final XMLReader xmlreader = parser.getXMLReader();
    final RSSHandler handler = new RSSHandler(config);

    xmlreader.setContentHandler(handler);
    xmlreader.parse(source);

    return handler.feed();
}

@Test
public void testSAX() {
    try {
        Schema schema = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema(new StreamSource(_xsd));
        SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setNamespaceAware(true);
        spf.setValidating(true);
        spf.setSchema(schema);
        SAXParser parser = spf.newSAXParser();
        MyErrorHandler errorHandler = new MyErrorHandler();
        parser.parse(_xml, errorHandler);
        if (!errorHandler.errorOccured) {
            Assert.fail("should report error");
        }
    } catch (Exception e) {
        System.out.println(e.getMessage());
    }
}

public void parse(InputStream xml, OutputStream finf, String workingDirectory) throws Exception {
    StAXDocumentSerializer documentSerializer = new StAXDocumentSerializer();
    documentSerializer.setOutputStream(finf);

    SAX2StAXWriter saxTostax = new SAX2StAXWriter(documentSerializer);

    SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
    saxParserFactory.setNamespaceAware(true);
    SAXParser saxParser = saxParserFactory.newSAXParser();

    XMLReader reader = saxParser.getXMLReader();
    reader.setProperty("http://xml.org/sax/properties/lexical-handler", saxTostax);
    reader.setContentHandler(saxTostax);

    if (workingDirectory != null) {
        reader.setEntityResolver(createRelativePathResolver(workingDirectory));
    }
    reader.parse(new InputSource(xml));

    xml.close();
    finf.close();
}

/**
 * Reads a {@link PieDataset} from a stream.
 *
 * @param in  the input stream.
 *
 * @return A dataset.
 *
 * @throws IOException if there is an I/O error.
 */
public static PieDataset readPieDatasetFromXML(final InputStream in) throws IOException {

    PieDataset result = null;

    final SAXParserFactory factory = SAXParserFactory.newInstance();
    try {
        final SAXParser parser = factory.newSAXParser();
        final PieDatasetHandler handler = new PieDatasetHandler();
        parser.parse(in, handler);
        result = handler.getDataset();
    }
    catch (SAXException e) {
        System.out.println(e.getMessage());
    }
    catch (ParserConfigurationException e2) {
        System.out.println(e2.getMessage());
    }

    return result;

}

/**
 * Reads a {@link PieDataset} from a stream.
 *
 * @param in  the input stream.
 *
 * @return A dataset.
 *
 * @throws IOException if there is an I/O error.
 */
public static PieDataset readPieDatasetFromXML(InputStream in) 
    throws IOException {

    PieDataset result = null;
    SAXParserFactory factory = SAXParserFactory.newInstance();
    try {
        SAXParser parser = factory.newSAXParser();
        PieDatasetHandler handler = new PieDatasetHandler();
        parser.parse(in, handler);
        result = handler.getDataset();
    }
    catch (SAXException e) {
        System.out.println(e.getMessage());
    }
    catch (ParserConfigurationException e2) {
        System.out.println(e2.getMessage());
    }
    return result;

}