Example usage for org.w3c.dom Node getNodeType

Introduction

In this page you can find the example usage for org.w3c.dom Node getNodeType.

Prototype

public short getNodeType();

Source Link

Document

A code representing the type of the underlying object, as defined above.

Usage

From source file:Main.java

protected static Element getChildElement(Element element, String tagName) {
    NodeList childNodes = element.getChildNodes();
    int numChildren = childNodes.getLength();

    for (int i = 0; i < numChildren; i++) {
        Node childNode = childNodes.item(i);
        if (childNode.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }//w w  w.  j  a va  2 s  . c  o  m
        Element childElement = (Element) childNode;

        if (tagName != null) {
            String childTagName = childElement.getTagName();
            if (!childTagName.equals(tagName)) {
                continue;
            }
        }
        return childElement;
    }
    return null;
}

From source file:Main.java

/**
 * based on public Java5 javadoc of org.w3c.dom.Node.getTextContent method
 *//*w  ww  .  j  av  a 2  s .  c  om*/
public static String getTextContent(Node node) {
    switch (node.getNodeType()) {
    case Node.ELEMENT_NODE:
    case Node.ATTRIBUTE_NODE:
    case Node.ENTITY_NODE:
    case Node.ENTITY_REFERENCE_NODE:
    case Node.DOCUMENT_FRAGMENT_NODE:
        return mergeTextContent(node.getChildNodes());
    case Node.TEXT_NODE:
    case Node.CDATA_SECTION_NODE:
    case Node.COMMENT_NODE:
    case Node.PROCESSING_INSTRUCTION_NODE:
        return node.getNodeValue();
    case Node.DOCUMENT_NODE:
    case Node.DOCUMENT_TYPE_NODE:
    case Node.NOTATION_NODE:
    default:
        return null;
    }
}

From source file:Main.java

/**
 * Obtains the list of child element nodes.
 *
 * @param element the root element./*from ww  w  . j a  v a 2 s.c o  m*/
 * @return the list of child elements.
 */
private static List<Element> getElementList(final Element element) {
    final List<Element> elementList = new ArrayList<Element>();

    final NodeList childNodes = element.getChildNodes();
    final int numChildren = childNodes.getLength();

    for (int i = 0; i < numChildren; i++) {
        final Node childNode = childNodes.item(i);
        if (childNode.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }
        elementList.add((Element) childNode);
    }

    return elementList;
}

From source file:Main.java

/**
 * getNodeText/* w  ww.  j  a  va  2  s. com*/
 * @param n node
 * @return text node content
 */
public static String getNodeText(Node n) {
    NodeList nl = n.getChildNodes();
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < nl.getLength(); i++) {
        Node cn = nl.item(i);
        if (cn.getNodeType() == Node.TEXT_NODE) {
            Text txt = (Text) cn;
            sb.append(txt.getData().trim());
        }
    }

    return sb.toString();
}

From source file:Main.java

static public Element selectSingleElement(Element element, String xpathExpression)
        throws XPathExpressionException {
    if (xpathExpression.indexOf("/") == -1) {
        NodeList nodeList = element.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals(xpathExpression)) {
                return (Element) node;
            }/*from   ww w  .j av  a 2s.c  om*/
        }
        //  NodeList nodes = element.getElementsByTagName(xpathExpression);
        //  if (nodes.getLength() > 0) {
        //      return (Element) nodes.item(0);
        //  } else {
        return null;
        //  }
    } else {
        XPath xpath = XPathFactory.newInstance().newXPath();
        Element node = (Element) xpath.evaluate(xpathExpression, element, XPathConstants.NODE);
        return node;
    }
}

From source file:Main.java

/**
 * @param n// ww  w.  j  a va2s. c  o  m
 *            the node
 * @return the first element in the ancestor tree of {@code n}. If
 *         {@code n} is an {@link Element}, {@code n} is returned. If
 *         {@code n} is <code>null</code>, this method returns
 *         <code>null</code>.
 */
public static Element getAncestorElement(Node n) {
    if (n == null) {
        return null;
    }
    if (n.getNodeType() == Node.ELEMENT_NODE) {
        return (Element) n;
    }
    Node parent = n.getParentNode();
    if (parent == null) {
        Document doc = (Document) (n instanceof Document ? n : n.getOwnerDocument());
        return doc == null ? null : doc.getDocumentElement();
    }
    return getAncestorElement(parent);
}

From source file:Main.java

public static Element getFirstChildElementNS(Element elm, String tns, String localName) {
    if (tns == null && localName == null)
        return getFirstChildElement(elm);

    if (tns == null || tns.length() == 0)
        return getFirstChildElement(elm, localName);

    NodeList nl = elm.getChildNodes();
    for (int c = 0; c < nl.getLength(); c++) {
        Node node = nl.item(c);
        if (node.getNodeType() != Node.ELEMENT_NODE)
            continue;

        if (localName == null && tns.equals(node.getNamespaceURI()))
            return (Element) node;

        if (localName != null && tns.equals(node.getNamespaceURI()) && localName.equals(node.getLocalName()))
            return (Element) node;
    }/*from  w w  w  . j a  v  a2s  . co  m*/

    return null;
}

From source file:Main.java

/**
 * Returns an iterator over the children of the given element with
 * the given tag name.//from w  w  w .ja v a  2 s.com
 *
 * @param element    The parent element
 * @param tagName    The name of the desired child
 * @return           An interator of children or null if element is null.
 */
public static Iterator<Element> getChildrenByTagName(Element element, String tagName) {
    if (element == null)
        return null;
    // getElementsByTagName gives the corresponding elements in the whole 
    // descendance. We want only children

    NodeList children = element.getChildNodes();
    ArrayList<Element> goodChildren = new ArrayList<Element>();
    for (int i = 0; i < children.getLength(); i++) {
        Node currentChild = children.item(i);
        if (currentChild.getNodeType() == Node.ELEMENT_NODE
                && ((Element) currentChild).getTagName().equals(tagName)) {
            goodChildren.add((Element) currentChild);
        }
    }
    return goodChildren.iterator();
}

From source file:Main.java

public static Comment addComment(Node node, String comment) {
    Document doc = null;/*from   ww  w .j a v a  2  s.  com*/
    if (node.getNodeType() == Node.DOCUMENT_NODE) {
        doc = (Document) node;
    } else {
        doc = node.getOwnerDocument();
    }
    Comment e = doc.createComment(comment);
    node.appendChild(e);
    return e;
}

From source file:Main.java

public static String getText(Element paramElement) {
    NodeList localNodeList = paramElement.getChildNodes();
    int i = localNodeList.getLength();
    for (int j = 0; j < i; ++j) {
        Node localNode = localNodeList.item(j);
        if (localNode.getNodeType() == 3)
            return localNode.getNodeValue();
    }/*ww  w.  j ava 2 s  .co m*/
    return "";
}