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

/**
 * Creates the element mapping for the specified documents. For each node in
 * the source document an entry is created pointing to the corresponding
 * node in the destination object.//from   w w w  .  j a  v a 2 s. c  o  m
 *
 * @param doc1 the source document
 * @param doc2 the destination document
 * @return the element mapping
 */
private static Map<Node, Node> createElementMapping(Document doc1, Document doc2) {
    Map<Node, Node> mapping = new HashMap<Node, Node>();
    createElementMappingForNodes(doc1.getDocumentElement(), doc2.getDocumentElement(), mapping);
    return mapping;
}

From source file:Main.java

private final static String getElement(String filePath, String key) throws Exception {

    String value = null;/*from   w  w  w  .  java  2s  .com*/

    try {

        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();

        File xmlFile = new File(filePath);

        Document document = documentBuilder.parse(xmlFile);

        Element resourcesElement = document.getDocumentElement();
        resourcesElement.normalize();

        NodeList strings = resourcesElement.getChildNodes();

        int stringsCount = strings.getLength();

        for (int i = 0; i < stringsCount; i++) {

            Node node = strings.item(i);

            short nodeType = node.getNodeType();

            if (nodeType == Node.ELEMENT_NODE) {

                Element element = (Element) node;

                String attribute = element.getAttribute("name");

                if (attribute.equals(key)) {

                    value = element.getTextContent();
                }
            }
        }

    } catch (Exception ex) {

        throw ex;
    }

    return value;
}

From source file:Main.java

/**
 * As a workaround for {@code javax.xml.transform.Transformer} not being able
 * to pretty print XML. This method prepares DOM {@code Document} for the transformer
 * to be pretty printed, i.e. providing proper indentations for enclosed tags.
 *
 * @param doc - DOM document to be pretty printed
 * @param ident - custom indentation as a string of white spaces
 *//*from w w w.  j  av  a  2  s  .c  om*/
public static void prettyFormat(Document doc, String ident) {
    doc.normalize();
    Element documentElement = doc.getDocumentElement();
    if (documentElement != null) {
        prettyFormat(documentElement, "", ident); //$NON-NLS-1$
    }
}

From source file:eu.delving.x3ml.X3MLCommandLine.java

static Element xml(InputStream inputStream) {
    try {//from   w  w  w .  j a va 2s  .c  om
        DocumentBuilder builder = documentBuilderFactory().newDocumentBuilder();
        Document document = builder.parse(inputStream);
        return document.getDocumentElement();
    } catch (Exception e) {
        throw exception("Unable to parse XML input");
    }
}

From source file:com.atomiton.watermanagement.ngo.util.WaterMgmtNGOUtility.java

public static String getXMLElementValue(String tagName, String xmlString) {
    try {/*  w w w. j ava 2s . com*/
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document document = builder.parse(new InputSource(new StringReader(xmlString)));
        Element rootElement = document.getDocumentElement();
        String rootElementTagName = rootElement.getTagName();
        if (rootElementTagName.equalsIgnoreCase(tagName)) {
            return rootElement.getTextContent();
        } else {
            NodeList list = rootElement.getElementsByTagName(tagName);
            if (list != null && list.getLength() > 0) {
                NodeList subList = list.item(0).getChildNodes();
                if (subList != null && subList.getLength() > 0) {
                    return subList.item(0).getNodeValue();
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * Gives the string representation of the XML element at the specified XPath
 * in the DOM tree/*  w  w w  . j a  v  a 2 s  . c o  m*/
 * 
 * @param doc
 *            The DOM tree to traverse
 * @param xPath
 *            A path to lookup
 * @param separator
 *            String separator used to break up level hierarchy with in the
 *            path
 * @return List<String> List of string representations of the Node(s) found
 *         at the given path
 */
public static List<String> text(Document doc, String xPath, String separator) {
    return text(doc.getDocumentElement(), xPath, separator);
}

From source file:Main.java

public static Document getDocumentForStream(InputStream stream) {
    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder docBuilder = null;
    Document doc = null;
    try {//  w ww . j  ava 2 s .c o  m
        docBuilder = docBuilderFactory.newDocumentBuilder();
        doc = docBuilder.parse(stream);
        doc.getDocumentElement().normalize();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return doc;
}

From source file:Main.java

/**
 * Returns the first element which name matchtes a given tag name.
 * //  w ww.  j  a  va  2s. c o m
 * @param doc the xml document in which to find an element of the given name
 * @param tagName the (tag) name of the desired child element
 * @return the child element if an element of that name existed, or null otherwise
 */
static public Element findFirstChildDeep(Document doc, String tagName) { // Child Element suchen
    if (doc == null)
        return null;
    return findFirstChildDeep(doc.getDocumentElement(), tagName);
}

From source file:Main.java

private static void getNodeList(Document doc, String nodeName, List<Node> result, Node node) {
    NodeList children;/*  w w w .jav a  2 s .  c  o m*/
    if (node == null) {
        Element root = doc.getDocumentElement();
        children = root.getChildNodes();
    } else {
        if (node.getNodeName().equals(nodeName)) {
            result.add(node);
            return;
        }
        children = node.getChildNodes();
    }
    if (children == null)
        return;
    for (int i = 0; i < children.getLength(); i++) {
        getNodeList(doc, nodeName, result, children.item(i));
    }
}

From source file:Main.java

public static Map<String, String> getNamespaceMap(Document document) {
    Map<String, String> nsMap = new HashMap<String, String>();

    NamedNodeMap map = document.getDocumentElement().getAttributes();
    for (int j = 0; j < map.getLength(); j++) {
        Node n = map.item(j);//from w w  w.j  a  v a 2s  .  c  o  m
        String attrName = ((Attr) n).getName();
        String attrValue = ((Attr) n).getValue();
        if (attrName != null && attrValue != null) {
            if (attrName.trim().startsWith("xmlns:")) {
                nsMap.put(attrValue, attrName.substring(6));
            }
        }
    }

    return nsMap;
}