Example usage for javax.xml.parsers DocumentBuilderFactory newDocumentBuilder

Introduction

In this page you can find the example usage for javax.xml.parsers DocumentBuilderFactory newDocumentBuilder.

Prototype


public abstract DocumentBuilder newDocumentBuilder() throws ParserConfigurationException;

Source Link

Document

Creates a new instance of a javax.xml.parsers.DocumentBuilder using the currently configured parameters.

Usage

From source file:Main.java

public static Object getBean() {
    try {//from  ww  w . j  av  a  2  s .co m
        DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dFactory.newDocumentBuilder();
        Document document;
        document = builder.parse(new File("config.xml"));

        NodeList nl = document.getElementsByTagName("TemplateClassName");

        Node classNode = nl.item(0).getFirstChild();
        String cName = classNode.getNodeValue();

        System.out.println(cName);
        Class c = Class.forName("com.seven.templatemethod.one." + cName);
        Object object = c.newInstance();
        return object;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

/**
 * Parses a string into an XMLDocument//from w w w.jav a 2 s  .  com
 * 
 * @param xmlString
 * @return
 * @throws IOException
 * @throws ParserConfigurationException
 * @throws SAXException
 */
public static Document loadXML(String xmlString)
        throws IOException, ParserConfigurationException, SAXException {
    InputStream inputStream = new ByteArrayInputStream(xmlString.getBytes());
    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
    Document doc = dBuilder.parse(inputStream);

    // optional, but recommended
    // read this -
    // http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-how-does-it-work
    doc.getDocumentElement().normalize();

    return doc;
}

From source file:Main.java

public static Document deserialize(String sXML) throws ParserConfigurationException, SAXException, IOException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder;/* ww  w.j a v a2s  .com*/
    builder = factory.newDocumentBuilder();
    Document doc = builder.parse(new InputSource(new StringReader(sXML)));
    return doc;
}

From source file:Main.java

public static Document loadDocument(InputStream is)
        throws ParserConfigurationException, SAXException, IOException {

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();

    //skip DTD validation
    builder.setEntityResolver(new EntityResolver() {

        public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
            return new InputSource(new StringReader(""));
        }//from   ww w .  j  a  v a 2s.  c  o m
    });

    return builder.parse(is);
}

From source file:Main.java

private static Element constructDocument() throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.newDocument();
    Element rootElement = doc.createElement("root");
    doc.appendChild(rootElement);// w  w  w . j a va 2 s . c  o  m
    Element c1Element = doc.createElement("c1");
    Element c2Element = doc.createElement("c2");
    Element c3Element = doc.createElement("c3");
    Element gc1Element = doc.createElement("gc1_1");
    Element gc2Element = doc.createElement("gc1_2");
    Text textNode = doc.createTextNode("uncle_freddie");
    Element gc3Element = doc.createElement("gc2_1");

    rootElement.appendChild(c1Element);
    rootElement.appendChild(c2Element);
    rootElement.appendChild(c3Element);

    c1Element.appendChild(gc1Element);
    c1Element.appendChild(gc2Element);
    c2Element.appendChild(gc3Element);

    gc3Element.appendChild(textNode);

    return rootElement;
}

From source file:Main.java

public static Node loadURL(java.net.URL url) {
    Document document = null;//from   ww w .  j  a v a2s. com
    if (url != null) {
        try {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = factory.newDocumentBuilder();
            document = builder.parse(url.openStream());
        } catch (java.io.IOException ioe) {
            document = null;
            ioe.printStackTrace();
        } catch (ParserConfigurationException pce) {
            document = null;
            pce.printStackTrace();
        } catch (org.xml.sax.SAXException se) {
            document = null;
            se.printStackTrace();
        }

        return document;
    }
    return null;
}

From source file:Main.java

/**
 * Converts a String representing an XML snippet into an {@link org.w3c.dom.Element}.
 *
 * @param xml snippet as a string/*from   w  ww .  j  a  v  a2  s .  c  om*/
 *
 * @return a DOM Element
 *
 * @throws Exception if unable to parse the String or if it doesn't contain valid XML.
 */
public static Element elementFromString(String xml) throws Exception {
    ByteArrayInputStream bais = new ByteArrayInputStream(xml.getBytes("UTF-8"));
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(bais);
    bais.close();
    return document.getDocumentElement();
}

From source file:Main.java

private static Element getRootNodeFromXmlStr(String xmlStr) {
    Element element = null;//from ww w .j  a  v  a 2s . co  m
    try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        InputStream is = new ByteArrayInputStream(xmlStr.getBytes("UTF-8"));
        Document document = db.parse(is);
        element = document.getDocumentElement();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return element;
}

From source file:Main.java

public static NodeList getXMLNodes(final String xmlFileName, final String tagName) {
    NodeList nList = null;/*from   ww w  .j a v  a  2  s.  c  om*/
    try {
        File xmlFile = new File(xmlFileName);
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(xmlFile);
        doc.getDocumentElement().normalize();
        nList = doc.getElementsByTagName(tagName);
    } catch (Exception e) {
        e.printStackTrace();
    }

    return nList;
}