Example usage for javax.xml.parsers DocumentBuilder parse

Introduction

In this page you can find the example usage for javax.xml.parsers DocumentBuilder parse.

Prototype


public abstract Document parse(InputSource is) throws SAXException, IOException;

Source Link

Document

Parse the content of the given input source as an XML document and return a new DOM Document object.

Usage

From source file:Main.java

/**
 * Loads the xml file into an xml document and returns the root element.
 * /*  w  w  w .  j  a v  a 2 s. co m*/
 * @param fileName
 *            the fully qualified name of the XML file to load; assumed not
 *            to be <code>null</code>.
 * 
 * @return root element of the xml document, never <code>null</code>.
 * 
 * @throws Exception
 *             on any error
 */
public static Element loadXmlResource(final String fileName) throws Exception {
    File file = new File(fileName);
    DocumentBuilder db = getDocumentBuilder();
    Document doc = db.parse(file);
    return doc.getDocumentElement();
}

From source file:Main.java

public static Document readDocument(InputStream is) {
    try {//from   w  w  w.ja  v a2 s. com
        final DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
        final DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
        final Document doc = docBuilder.parse(is);
        doc.getDocumentElement().normalize();
        return doc;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

/**
 * Parses the given file into an XML {@link Document}.
 * @param file The file to parse.// w  ww .  j ava 2  s.com
 * @return The created XML {@link Document}.
 */
public static Document parseXml(File file) {
    if (!file.exists()) {
        throw new IllegalArgumentException("File " + file + " does not exist.");
    }
    try {
        DocumentBuilder docBuilder = createDocumentBuilder();
        return docBuilder.parse(file);
    } catch (SAXException | IOException e) {
        throw new IllegalStateException("Unable to parse XML file " + file, e);
    }
}

From source file:Main.java

public static Document parseXMLStream(InputStream stream) {
    Document doc = null;/*  w w w .j a v a 2  s  .c  o  m*/
    try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder docBuilder = dbf.newDocumentBuilder();
        doc = docBuilder.parse(stream);
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (java.io.IOException e) {
        e.printStackTrace();
    }
    return doc;
}

From source file:Main.java

public static Object getClassFromXML() throws Exception {
    //create DOM object
    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
    Document document = docBuilder.parse(new File("property.xml"));

    //get the node name and get the class name
    NodeList nodeList = document.getElementsByTagName("className");
    Node node = nodeList.item(0).getFirstChild();
    String className = node.getNodeValue();

    //return an object through the class name
    Class tempClass = Class.forName(className);
    Object object = tempClass.newInstance();
    return object;
}

From source file:Main.java

public static String getDefaultNamespaceUri(URL xmlResource, String rootElementName)
        throws IOException, ParserConfigurationException, SAXException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(false);/*from   w  w  w  .j  a  v  a  2s  . c  o m*/
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(xmlResource.openStream());
    NodeList nodes = document.getElementsByTagName(rootElementName);
    if (nodes == null || nodes.getLength() == 0) {
        throw new IllegalArgumentException("Root element \"" + rootElementName + "\" not found in xml \""
                + xmlResource.toExternalForm() + "\".");
    }
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        Node xmlns = node.getAttributes().getNamedItem("xmlns");
        if (xmlns != null) {
            String value = xmlns.getNodeValue();
            return value.substring(value.indexOf("=") + 1);
        }
    }
    return null;
}

From source file:Main.java

/**
 * Loads a W3C XML document from a file.
 * //from   ww  w.  j  a v  a2s.c  om
 * @param filename
 *            The name of the file to be loaded
 * @return a document object model object representing the XML file
 * @throws IOException
 * @throws ParserConfigurationException
 * @throws SAXException
 */
public static Document loadXML(String filename) throws IOException, ParserConfigurationException, SAXException {
    DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    return builder.parse(new File(filename));
}

From source file:Main.java

public static NodeList getDomNodes(String file, String xmlTag) {
    NodeList nodes = null;/*from   ww  w .  j  a v  a 2s .  c om*/

    try {
        File xml = new File(file);
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(xml);
        doc.getDocumentElement().normalize();

        nodes = doc.getElementsByTagName(xmlTag);
    } catch (Exception e) {
        e.printStackTrace();
        nodes = null;
    }

    logger.trace("Returning {} nodes", nodes.getLength());
    return nodes;
}

From source file:Main.java

public static Document parseXMLFile(String fileName) {
    Document doc = null;/*from w  w  w  .j  a  v  a2s  .  c o  m*/
    try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder docBuilder = dbf.newDocumentBuilder();
        doc = docBuilder.parse(new File(fileName));
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (java.io.IOException e) {
        e.printStackTrace();
    }
    return doc;
}

From source file:Main.java

public static Document parseToDocument(InputStream is, boolean debugModeEnabled) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(is);

    if (debugModeEnabled)
        System.out.println("Body:\n" + serializeDocument(document) + "\n");

    return document;
}