javax.xml.parsers.SAXParser#parse ( )源码实例Demo

private void benchmarkParser(Class parserClass, int n) throws Exception {
    long times[] = new long[n];
    for(int i = 0; i < n; i++) {
        SAXParserFactory spf = SAXParserFactory.newInstance();
        SAXParser parser = spf.newSAXParser();
        DefaultHandler viafParser = (DefaultHandler) parserClass.newInstance();

        InputStream is = getClass().getResourceAsStream("/shakespeare.xml");
        long start = System.currentTimeMillis();
        parser.parse(is, viafParser);
        long end = System.currentTimeMillis();

        times[i] = end - start;
    }
    System.out.println(String.format("parse using %s, mean time over %s runs=%s", parserClass.toString(), n, mean(times)));
}
 

/**
 * {@inheritDoc}
 */
public BodyParserResults parse(String xml) throws BOSHException {
    BodyParserResults result = new BodyParserResults();
    Exception thrown;
    try {
        InputStream inStream = new ByteArrayInputStream(xml.getBytes());
        SAXParser parser = getSAXParser();
        parser.parse(inStream, new Handler(parser, result));
        return result;
    } catch (SAXException saxx) {
        thrown = saxx;
    } catch (IOException iox) {
        thrown = iox;
    }
    throw(new BOSHException("Could not parse body:\n" + xml, thrown));
}
 

/**
 * Extract the scan file and copies it into the temporary folder. Create a new raw data file using
 * the information from the XML raw data description file
 * 
 * @param Name raw data file name
 * @throws SAXException
 * @throws ParserConfigurationException
 */
public RawDataFile readRawDataFile(InputStream is, File scansFile)
    throws IOException, ParserConfigurationException, SAXException {

  charBuffer = new StringBuffer();
  massLists = new ArrayList<StorableMassList>();

  newRawDataFile = (RawDataFileImpl) MZmineCore.createNewFile(null);
  newRawDataFile.openDataPointsFile(scansFile);

  dataPointsOffsets = newRawDataFile.getDataPointsOffsets();
  dataPointsLengths = newRawDataFile.getDataPointsLengths();

  // Reads the XML file (raw data description)
  SAXParserFactory factory = SAXParserFactory.newInstance();
  SAXParser saxParser = factory.newSAXParser();
  saxParser.parse(is, this);

  // Adds the raw data file to MZmine
  RawDataFile rawDataFile = newRawDataFile.finishWriting();
  return rawDataFile;

}
 

/**
 * Loads routes from file
 * 
 * @param file valid <code>File</code> with routes
 * @return <code>List</code> of <code>Route</code>s
 * @throws IOException 
 * @throws SAXException 
 * @throws ParserConfigurationException 
 */
public static List<Route> loadRoutesFromFile(final File file) throws SAXException, IOException, ParserConfigurationException
{
	List<Route> routes = new ArrayList<Route>();

	SAXParserFactory factory = SAXParserFactory.newInstance();
	SAXParser parser = null;

	parser = factory.newSAXParser();
	parser.parse(file, new GpxParser(file.getName(), null, null, routes));
	
	if (routes.size() > 0)
	{
		routes.get(0).filepath = file.getCanonicalPath();
	}
	
	return routes;
}
 

@Test
public final void testLargeMaxOccurs() {

    String XML_FILE_NAME = "Bug4674384_MAX_OCCURS_Test.xml";

    try {
        // create and initialize the parser
        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");

        File xmlFile = new File(getClass().getResource(XML_FILE_NAME).getPath());

        parser.parse(xmlFile, new DefaultHandler());
    } catch (Exception e) {
        System.err.println("Failure: File " + XML_FILE_NAME + " was parsed with a large value of maxOccurs.");
        e.printStackTrace();
        Assert.fail("Failure: File " + XML_FILE_NAME + " was parsed with a large value of maxOccurs.  " + e.getMessage());
    }

    System.out.println("Success: File " + XML_FILE_NAME + " was parsed with a large value of maxOccurs.");
}
 

private static void sendToParser(String b) throws Throwable {
    byte[] input = b.getBytes("UTF-8");
    ByteArrayInputStream in = new ByteArrayInputStream(input);

    SAXParserFactory  spf = SAXParserFactory.newInstance();
    SAXParser p = spf.newSAXParser();
    p.parse(new InputSource(in), new DefaultHandler());
}
 

Metadata(File metadataXml, File metadataSchema) throws ParserConfigurationException, SAXException, FileNotFoundException, IOException {
    SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setSchema(schemaFactory.newSchema(metadataSchema));
    SAXParser sp = factory.newSAXParser();
    sp.parse(metadataXml, new MetadataHandler(this));
}
 

public static ScanHandler read(final URL scanXml) throws IOException {
    final SAXParser parser;
    try {
        synchronized (SAX_FACTORY) {
            parser = SAX_FACTORY.newSAXParser();
        }
        final ScanHandler handler = new ScanHandler();
        parser.parse(new BufferedInputStream(scanXml.openStream()), handler);
        return handler;
    } catch (Exception e) {
        throw new IOException("can't parse " + scanXml.toExternalForm());
    }
}
 

@Test(expected = AssertionError.class)
public void resolveXInclude_keepXMLBase() throws SAXException, IOException {
    File file = new File("src/test/resources/article.xml");
    SAXParser parser = XMLParserUtils.createXIncludeAwareSAXParser(true);
    // Fortify mod to prevent External Entity Injections
    // The SAXParser contains an XMLReader.  getXMLReader returns a handle to the
    // reader.  By setting a Feature on the reader, we also set it on the Parser.          
    XMLReader reader = parser.getXMLReader();
    reader.setFeature("http://xml.org/sax/features/external-general-entities", false);
    // End Fortify mods
    LegalNoticeHandler handler = new LegalNoticeHandler();
    parser.parse(file, handler);
}
 

/**
 * 
 * @param value
 */
protected void initialize(String value) {
    try {
        SAXParser saxParser = FACTORY.newSAXParser();
        saxParser.parse(new InputSource(new StringReader(value)), this);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

public static void validate(Source source, boolean xop, String... schemaLocations) throws TechnicalConnectorException {
   try {
      XOPValidationHandler handler = new XOPValidationHandler(xop);
      ValidatorHandler validator = createValidatorForSchemaFiles(schemaLocations);
      ErrorCollectorHandler collector = new ErrorCollectorHandler(handler);
      validator.setErrorHandler(collector);
      SAXParser parser = SAF.newSAXParser();
      parser.parse(convert(source), new ForkContentHandler(new ContentHandler[]{handler, validator}));
      handleValidationResult(collector);
   } catch (Exception var7) {
      throw handleException(var7);
   }
}
 

public static List<FlickrPhoto> getPhotosWithTags(String tags) throws IOException, SAXException, ParserConfigurationException {
    LinkedList<FlickrPhoto> photos = new LinkedList<FlickrPhoto>();
    URL u = new URL(BASE_URL + "&tags=" + tags);
    FlickrPhotoGrabber handler = new FlickrPhotoGrabber();
    SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
    saxParser.parse(u.openStream(), handler);
    return handler.photos;
}
 

static Map<String, Object> getCLDRBundle(String id) throws Exception {
    Map<String, Object> bundle = cldrBundles.get(id);
    if (bundle != null) {
        return bundle;
    }
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setValidating(true);
    SAXParser parser = factory.newSAXParser();
    enableFileAccess(parser);
    LDMLParseHandler handler = new LDMLParseHandler(id);
    File file = new File(SOURCE_FILE_DIR + File.separator + id + ".xml");
    if (!file.exists()) {
        // Skip if the file doesn't exist.
        return Collections.emptyMap();
    }

    info("..... main directory .....");
    info("Reading file " + file);
    parser.parse(file, handler);

    bundle = handler.getData();
    cldrBundles.put(id, bundle);
    String country = getCountryCode(id);
    if (country != null) {
        bundle = handlerSuppl.getData(country);
        if (bundle != null) {
            //merge two maps into one map
            Map<String, Object> temp = cldrBundles.remove(id);
            bundle.putAll(temp);
            cldrBundles.put(id, bundle);
        }
    }
    return bundle;
}
 

private void loadDefaultContent(
        final String domain, final InputStream contentXML, final DataSource dataSource)
        throws IOException, ParserConfigurationException, SAXException {

    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, Boolean.TRUE);
    factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
    try (contentXML) {
        SAXParser parser = factory.newSAXParser();
        parser.parse(contentXML, new ContentLoaderHandler(dataSource, ROOT_ELEMENT, true, env));
        LOG.debug("[{}] Default content successfully loaded", domain);
    }
}
 

private void parse(URL file, TrackingHandler handler) {
    try {
        SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setNamespaceAware(true);
        SAXParser saxParser = spf.newSAXParser();
        URLConnection connection = file.openConnection();
        connection.connect();
        this.lastModified = Math.max(this.lastModified, connection.getLastModified());
        saxParser.parse(new BufferedInputStream(connection.getInputStream()), handler);

    }
    catch (Exception ex) {
        throw new RuntimeException("Error parsing XML file " + handler.getLineNumberString(), ex);
    }
}
 

public void testSystemMaxOccurLimitWithoutSecureProcessing() {
    if (isSecureMode())
        return; // jaxp secure feature can not be turned off when security
                // manager is present
    try {
        SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, false);
        spf.setValidating(true);
        setSystemProperty("maxOccurLimit", "2");
        // Set the properties for Schema Validation
        String SCHEMA_LANG = "http://java.sun.com/xml/jaxp/properties/schemaLanguage";
        String SCHEMA_TYPE = "http://www.w3.org/2001/XMLSchema";
        // Get the Schema location as a File object
        File schemaFile = new File(this.getClass().getResource("toys.xsd").toURI());
        // Get the parser
        SAXParser parser = spf.newSAXParser();
        parser.setProperty(SCHEMA_LANG, SCHEMA_TYPE);
        parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaSource", schemaFile);

        InputStream is = this.getClass().getResourceAsStream("toys.xml");
        MyErrorHandler eh = new MyErrorHandler();
        parser.parse(is, eh);
        Assert.assertFalse(eh.errorOccured, "Not Expected Error");
        setSystemProperty("maxOccurLimit", "");
    } catch (Exception e) {
        Assert.fail("Exception occured: " + e.getMessage());
    }
}
 

public static WsdlWrapperHandler parse(File file) throws ParserConfigurationException, SAXException, IOException {
    WsdlWrapperHandler handler = new WsdlWrapperHandler();
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);
    SAXParser saxParser = factory.newSAXParser();
    saxParser.parse(file, handler);
    return handler;
}
 

/**
 * 加载配置文件
 */
private void loadConfig() {
  try {
    XMLReader helper = new XMLReader();
    SAXParserFactory factory = SAXParserFactory.newInstance();
    SAXParser parser = factory.newSAXParser();
    parser.parse(APP.getAssets().open("aria_config.xml"), helper);
    FileUtil.createFileFormInputStream(APP.getAssets().open("aria_config.xml"),
        APP.getFilesDir().getPath() + Configuration.XML_FILE);
  } catch (ParserConfigurationException | IOException | SAXException e) {
    ALog.e(TAG, e.toString());
  }
}
 

static Map<String, Object> getCLDRBundle(String id) throws Exception {
    Map<String, Object> bundle = cldrBundles.get(id);
    if (bundle != null) {
        return bundle;
    }
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setValidating(true);
    SAXParser parser = factory.newSAXParser();
    enableFileAccess(parser);
    LDMLParseHandler handler = new LDMLParseHandler(id);
    File file = new File(SOURCE_FILE_DIR + File.separator + id + ".xml");
    if (!file.exists()) {
        // Skip if the file doesn't exist.
        return Collections.emptyMap();
    }

    info("..... main directory .....");
    info("Reading file " + file);
    parser.parse(file, handler);

    bundle = handler.getData();
    cldrBundles.put(id, bundle);
    String country = getCountryCode(id);
    if (country != null) {
        bundle = handlerSuppl.getData(country);
        if (bundle != null) {
            //merge two maps into one map
            Map<String, Object> temp = cldrBundles.remove(id);
            bundle.putAll(temp);
            cldrBundles.put(id, bundle);
        }
    }
    return bundle;
}
 

public void process(byte[] content) throws Exception {
    SAXParserFactory factory = SAXParserFactory.newInstance();
    SAXParser saxParser =  factory.newSAXParser();        
    saxParser.parse( new ByteArrayInputStream(content), this );
}