Example usage for javax.xml.parsers SAXParserFactory newInstance

Introduction

In this page you can find the example usage for javax.xml.parsers SAXParserFactory newInstance.

Prototype


public static SAXParserFactory newInstance()

Source Link

Document

Obtain a new instance of a SAXParserFactory .

Usage

From source file:Main.java

public static XMLReader createXmlReader() throws SAXException {
    try {/*ww  w  .j a  v  a2s . c om*/
        // use Xerces to ensure XML 1.1 is handled correctly
        Class<?> clazz = Class.forName("org.apache.xerces.parsers.SAXParser"); //$NON-NLS-1$
        return (XMLReader) clazz.newInstance();
    } catch (Throwable e) {
        SAXParser saxParser;
        try {
            SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
            saxParserFactory.setNamespaceAware(true);
            saxParser = saxParserFactory.newSAXParser();
        } catch (ParserConfigurationException e2) {
            throw new SAXException(e2);
        }
        return saxParser.getXMLReader();
    }
}

From source file:Main.java

/**
 * Create a new SAXParser which processes XML securely.
 *
 * @return a SAXParser/*  w w  w .  j ava 2s  . c om*/
 */
public static SAXParser createSaxParser() {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    try {
        spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        return spf.newSAXParser();
    } catch (ParserConfigurationException | SAXException e) {
        throw new IllegalStateException(e);
    }
}

From source file:Main.java

public static XMLReader xmlReader() throws ParserConfigurationException, SAXException {
    SAXParserFactory spf = SAX_PARSER_FACTORY.get();
    if (spf == null) {
        spf = SAXParserFactory.newInstance();
        spf.setNamespaceAware(true);//from   w  w w . ja  va 2 s .c om
        SAX_PARSER_FACTORY.set(spf);
    }
    return spf.newSAXParser().getXMLReader();
}

From source file:Main.java

/**
 * Convenience method: creates and returns a SAXParser.
 * //from   ww w. j a  v a2  s.  c  om
 * @param namespaceAware specifies whether the parser produced 
 * by this code will provide support for XML namespaces
 * @param validating specifies whether the parser produced by 
 * this code will validate documents against their DTD
 * @param xIncludeAware specifies whether the parser produced by 
 * this code will process XIncludes
 * @return newly created SAXParser
 * @exception ParserConfigurationException if a parser cannot be created 
 * which satisfies the requested configuration
 * @exception SAXException for SAX errors
 */
public static SAXParser newSAXParser(boolean namespaceAware, boolean validating, boolean xIncludeAware)
        throws ParserConfigurationException, SAXException {
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(namespaceAware);
    factory.setValidating(validating);
    factory.setXIncludeAware(xIncludeAware);

    // For Xerces which otherwise, does not support "x-MacRoman".
    try {
        factory.setFeature("http://apache.org/xml/features/allow-java-encodings", true);
    } catch (Exception ignored) {
    }

    return factory.newSAXParser();
}

From source file:Main.java

/**
 * Helper method to unmarshall a xml doc
 * @see http://docs.oracle.com/javase/tutorial/jaxb/intro/basic.html
 * http://jaxb.java.net/nonav/2.2.6/docs/ch03.html#unmarshalling
 * this uses <T> JAXBElement<T> unmarshal(Source source,
                    Class<T> declaredType)
                  throws JAXBException/*ww w  .  j  a v  a 2 s  .  c  o  m*/
 * 
 */
/*   public static <T> T unmarshall(Class<T> docClass, InputStream inputStream) throws JAXBException{
 String packageName = docClass.getPackage().getName();
 JAXBContext jc = JAXBContext.newInstance( packageName );
 Unmarshaller u = jc.createUnmarshaller();
 JAXBElement<T> root = u.unmarshal(new StreamSource(inputStream),docClass);
 return root.getValue();
 }*/

public static <T> T unmarshall(Class<T> docClass, InputStream inputStream)
        throws JAXBException, ParserConfigurationException, SAXException {
    String packageName = docClass.getPackage().getName();
    JAXBContext jc = JAXBContext.newInstance(packageName);
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setFeature("http://apache.org/xml/features/validation/schema", false);
    spf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
    XMLReader xmlReader = spf.newSAXParser().getXMLReader();
    InputSource inputSource = new InputSource(inputStream);
    SAXSource source = new SAXSource(xmlReader, inputSource);

    Unmarshaller u = jc.createUnmarshaller();
    JAXBElement<T> root = u.unmarshal(source, docClass);
    return root.getValue();
}

From source file:Main.java

/** Creates a namespace-aware {@link SAXParserFactory} */
private static SAXParserFactory createNamespaceAwareSAXParserFactory() {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);/*from  w w w  . j a  v a2  s  . c  o m*/
    return spf;
}

From source file:Main.java

/**
 * Get a SAX Parser Factory. This method implements a thread-relative
 * singleton./*  w w w. ja  va2  s. co m*/
 * 
 * NOTE: Need sax parser factory per thread for thread safety.
 * See: http://java.sun.com/j2se/1.5.0/docs/api/javax/xml/parsers/SAXParserFactory.html
 * @return
 */
public static SAXParserFactory getSAXParserFactory() {
    SAXParserFactory threadLocalSAXParserFactory = SAX_FACTORY.get();
    if (null == threadLocalSAXParserFactory) {
        threadLocalSAXParserFactory = SAXParserFactory.newInstance();
        SAX_FACTORY.set(threadLocalSAXParserFactory);
    }
    return threadLocalSAXParserFactory;
}

From source file:Main.java

public static boolean validateWithDTDUsingSAX(String xml) throws Exception {
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setValidating(true);/*from w  w w .j av a2s.  co  m*/
    factory.setNamespaceAware(true);

    SAXParser parser = factory.newSAXParser();
    XMLReader reader = parser.getXMLReader();
    reader.setErrorHandler(new ErrorHandler() {
        public void warning(SAXParseException e) throws SAXException {
            System.out.println("WARNING : " + e.getMessage()); // do nothing
        }

        public void error(SAXParseException e) throws SAXException {
            System.out.println("ERROR : " + e.getMessage());
            throw e;
        }

        public void fatalError(SAXParseException e) throws SAXException {
            System.out.println("FATAL : " + e.getMessage());
            throw e;
        }
    });
    reader.parse(new InputSource(xml));
    return true;
}

From source file:Main.java

/**
 * Returns a {@link SAXSource} for the provided {@link InputStream} that explicitly forfeit external DTD validation
 *
 * @param in the {@link InputStream} for the {@link SAXSource}
 * @return a {@link SAXSource} for the provided {@link InputStream} that explicitly forfeit external DTD validation
 * @throws SAXException                 if a SAX error occurs
 * @throws ParserConfigurationException if a configuration error occurs
 *//*from  w ww  .  j av a2 s .  com*/
public static Source toNonValidatingSAXSource(InputStream in)
        throws SAXException, ParserConfigurationException {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
    XMLReader xmlReader = spf.newSAXParser().getXMLReader();
    InputSource inputSource = new InputSource(in);
    return new SAXSource(xmlReader, inputSource);
}

From source file:Main.java

public void process() {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);/*w  w  w.  ja va  2  s . c o  m*/
    spf.setValidating(true);
    System.out.println("Parser will " + (spf.isNamespaceAware() ? "" : "not ") + "be namespace aware");
    System.out.println("Parser will " + (spf.isValidating() ? "" : "not ") + "validate XML");
    try {
        parser = spf.newSAXParser();
        System.out.println("Parser object is: " + parser);
    } catch (SAXException e) {
        e.printStackTrace(System.err);
        System.exit(1);
    } catch (ParserConfigurationException e) {
        e.printStackTrace(System.err);
        System.exit(1);
    }
    try {
        parser.parse(new InputSource(new StringReader(getXMLData())), this);
    } catch (IOException e) {
        e.printStackTrace(System.err);
    } catch (SAXException e) {
        e.printStackTrace(System.err);
    }
}