Example usage for org.w3c.dom Document getDocumentElement

Introduction

In this page you can find the example usage for org.w3c.dom Document getDocumentElement.

Prototype

public Element getDocumentElement();

Source Link

Document

This is a convenience attribute that allows direct access to the child node that is the document element of the document.

Usage

From source file:Main.java

/**
 * Reads the argument XML input stream.//  w w w.  j a v a 2  s.  c  o m
 * @param inStream An input stream carrying the only subject XML
 * @return The root node of the read DOM document.
 */
public static Node readXML(InputStream inStream) {
    try {
        DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = builderFactory.newDocumentBuilder();

        Document doc = builder.parse(inStream);
        inStream.close();
        return doc.getDocumentElement();
    } catch (SAXException saxEx) {
        throw new IllegalArgumentException(null, saxEx);
    } catch (IOException ioEx) {
        throw new IllegalArgumentException(null, ioEx);
    } catch (ParserConfigurationException parsEx) {
        throw new IllegalArgumentException(null, parsEx);
    } // try - catch
}

From source file:Main.java

public static Iterable<Node> eval(Document doc, String path) throws XPathExpressionException {
    return eval(doc.getDocumentElement(), path);
}

From source file:Main.java

public static void serializeXML(Document doc, Writer writer) throws IOException {
    serializeXML(doc.getDocumentElement(), writer, true);
}

From source file:Main.java

public static Document removeFromRootElement(Document document, String nodeName, String attributeName,
        String attributeValue) {// w  ww . j a v  a2  s .c o m
    try {
        Element rootElement = document.getDocumentElement();

        NodeList nl = document.getElementsByTagName(nodeName);
        Vector<Node> deletedNodes = new Vector<Node>();

        for (int i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i);
            String noteAttributeValue = node.getAttributes().getNamedItem(attributeName).getNodeValue();

            if (noteAttributeValue.equals(attributeValue)) {
                deletedNodes.add(node);
            }

        }

        for (Node deletedNode : deletedNodes) {
            rootElement.removeChild(deletedNode);
        }

    } catch (Exception e) {
        e.printStackTrace();
    }

    return document;
}

From source file:Main.java

/**
 * Reads the argument XML input String.//from w w w .  j  av a  2 s .  co m
 * @param xmlString The XML input String to be parsed.
 * @return The root node of the read DOM document.
 */
public static Node readXML(String xmlString) {
    try {
        DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = builderFactory.newDocumentBuilder();

        Document doc = builder.parse(new InputSource(new StringReader(xmlString)));
        return doc.getDocumentElement();
    } catch (SAXException saxEx) {
        throw new IllegalArgumentException("readXML() Caught SAXException: ", saxEx);
    } catch (IOException ioEx) {
        throw new IllegalArgumentException("readXML() Caught IOException: " + ioEx.getMessage(), ioEx);
    } catch (ParserConfigurationException parsEx) {
        throw new IllegalArgumentException("readXML() Caught ParserConfigurationException: ", parsEx);
    } // try - catch
}

From source file:DOMEdit.java

public static void addFragment(Document doc) {
        Element person;// w w w  .ja  v  a  2 s .  c o m
        Element root = doc.getDocumentElement();
        DocumentFragment fragment = doc.createDocumentFragment();
        person = makePersonNode(doc, "Name 1", "555-4444");
        fragment.appendChild(person);
        person = makePersonNode(doc, "Name 2", "555-9999");
        fragment.appendChild(person);
        root.appendChild(fragment);
    }

From source file:com.flipkart.phantom.runtime.impl.spring.utils.ConfigFileUtils.java

/**
 * Gets the task handler names from Config file
 * @param configFile job config file contents as a <code> ByteArrayResource </code>
 * @return List of task handler names, null if unable to find a TaskHandler name.
 *///from w w  w .  java  2s. c o  m
public static List<String> getHandlerNames(ByteArrayResource configFile) {
    List<String> jobNameList = new LinkedList<String>();
    try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document dom = db.parse(configFile.getInputStream());
        Element docEle = dom.getDocumentElement();
        //get a nodelist of nodes with the name "ConfigFileUtils.BATCH_JOB_TAG" 
        NodeList nl = docEle.getElementsByTagName(ConfigFileUtils.BATCH_JOB_TAG);
        //Loop over all found nodes
        if (nl != null && nl.getLength() > 0) {
            for (int i = 0; i < nl.getLength(); i++) {
                //get the element
                Element el = (Element) nl.item(i);
                if (el.hasAttribute(ConfigFileUtils.ID_PROP)) {
                    jobNameList.add(el.getAttribute(ConfigFileUtils.ID_PROP));
                }
            }
        }
    } catch (Exception e) {
        LOGGER.error("Unable to get the job name from the given Spring Batch configuration file", e);
        throw new PlatformException(e);
    }
    return jobNameList;
}

From source file:Main.java

/**
 * @param doc/*from  w  w w .  ja v a  2s  .  com*/
 * @param out
 * @throws IOException
 */
public static void serializeXML(Document doc, OutputStream out) throws IOException {
    serializeXML(doc.getDocumentElement(), out);
}

From source file:Main.java

public static Element loadDocument(File f, String defElement) throws Exception {
    Document doc = null;
    try {//from  ww w . j  a  v  a2  s  .  c om
        doc = getDocumentBuilder().parse(f);
        return doc.getDocumentElement();
    } catch (Exception se) {
        if (defElement != null)
            return getDocumentBuilder().newDocument().createElement(defElement);
        throw new Exception(se.getMessage());
    }
}

From source file:org.trpr.platform.batch.common.utils.ConfigFileUtils.java

/**
 * Gets the job names from Config file/*  w w  w .  ja va2 s  .c  o  m*/
 * @param configFile job config file contents as a <code> ByteArrayResource </code>
 * @return List of job names, null if unable to find a job name.
 */
public static List<String> getJobName(ByteArrayResource configFile) {
    List<String> jobNameList = new LinkedList<String>();
    try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document dom = db.parse(configFile.getInputStream());
        Element docEle = dom.getDocumentElement();
        //get a nodelist of nodes with the name "ConfigFileUtils.BATCH_JOB_TAG" 
        NodeList nl = docEle.getElementsByTagName(ConfigFileUtils.BATCH_JOB_TAG);
        //Loop over all found nodes
        if (nl != null && nl.getLength() > 0) {
            for (int i = 0; i < nl.getLength(); i++) {
                //get the element
                Element el = (Element) nl.item(i);
                if (el.hasAttribute(ConfigFileUtils.ID_PROP)) {
                    jobNameList.add(el.getAttribute(ConfigFileUtils.ID_PROP));
                }
            }
        }
    } catch (Exception e) {
        LOGGER.error("Unable to get the job name from the given Spring Batch configuration file", e);
        throw new PlatformException(e);
    }
    return jobNameList;
}