Example usage for org.w3c.dom Element getChildNodes

Introduction

In this page you can find the example usage for org.w3c.dom Element getChildNodes.

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

/**
 * get single element by tag name.//from www. j  a  va 2s  . c  om
 *
 * @param element the element
 * @return the child elements
 */
public static List<Element> getChildElements(Element element) {
    return toElements(element.getChildNodes());
}

From source file:Main.java

/**
 * Trys to find a child element in the given parent element.
 *
 * @param parent The Element to search in.
 * @param name   The name of the element to search for.
 *
 * @return The Element if found, null otherwise.
 */// www  . ja v a  2s  . c o  m
public static Element findElement(Element parent, String name) {
    NodeList l = parent.getChildNodes();
    for (int i = 0; i < l.getLength(); i++) {
        Node n = l.item(i);
        if (n.getNodeType() == n.ELEMENT_NODE) {
            Element e = (Element) n;
            if (e.getNodeName().equals(name)) {
                return e;
            }
        }
    }
    return null;
}

From source file:Main.java

/**
 * Trys to find a child element in the given parent element where the child's
 * name attribute is the given value.//from www.j a va2  s  .  c o m
 *
 * @param parent The Element to search in.
 * @param name   The name attribute of the element to search for.
 *
 * @return The Element if found, null otherwise.
 */
public static Element findElementWithNameAttribute(Element parent, String name) {
    NodeList l = parent.getChildNodes();
    for (int i = 0; i < l.getLength(); i++) {
        Node n = l.item(i);
        if (n.getNodeType() == n.ELEMENT_NODE) {
            Element e = (Element) n;
            if (e.getAttribute("name").equals(name)) {
                return e;
            }
        }
    }
    return null;
}

From source file:Main.java

public static List getChildElements(Element parent, String childName) {
    NodeList children = parent.getChildNodes();
    List list = new ArrayList();
    int size = children.getLength();

    for (int i = 0; i < size; i++) {
        Node node = children.item(i);

        if (node.getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) node;

            if (childName.equals(element.getNodeName())) {
                list.add(element);//w  w  w . j a  v a2  s .  c o  m
            }
        }
    }

    return list;
}

From source file:XMLUtils.java

/**
 * Extract all text children of an element
 *//*  w ww .j a v a  2s  .c o  m*/
public static String extractTextChildren(Element parentNode) {
    NodeList childNodes = parentNode.getChildNodes();
    String result = new String();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node.getNodeType() == Node.TEXT_NODE) {
            result += node.getNodeValue();
        }
    }
    return result;
}

From source file:Main.java

/**
 * Trivial convenience method to extract the value of a (text) Element, coping with the
 * possibility that text child Nodes may not have been coalesced.
 * //from   ww w .  ja  v  a  2 s  .c om
 * @param textElement
 */
public static String extractTextElementValue(final Element textElement) {
    NodeList childNodes = textElement.getChildNodes();
    String result;
    if (childNodes.getLength() == 1) {
        /* Text Nodes have been coalesced */
        result = ensureExtractTextNodeValue(childNodes.item(0));
    } else {
        /* Need to coalesce manually */
        StringBuilder resultBuilder = new StringBuilder();
        for (int i = 0; i < childNodes.getLength(); i++) {
            resultBuilder.append(ensureExtractTextNodeValue(childNodes.item(i)));
        }
        result = resultBuilder.toString();
    }
    return result;
}

From source file:Main.java

/**
 * @param child//ww  w .  j a  v  a 2s.c om
 * @return the single child element or null
 * @throws Exception if the child is present multiple times
 */
public static Element getFirstChild(Element element, String child) throws Exception {
    NodeList nodes = element.getChildNodes();
    Element ret = null;
    for (int i = 0; i < nodes.getLength(); i++) {
        Node childNode = nodes.item(i);
        if (childNode.getNodeName().equalsIgnoreCase(child) && childNode.getNodeType() == Node.ELEMENT_NODE) {
            ret = (Element) childNode;
            return ret;
        }
    }
    return null;
}

From source file:Main.java

public static Element getChildElementByTagNameNS(Element parent, String tagName, String nsName) {
    NodeList nl = parent.getChildNodes();
    int size = nl.getLength();
    for (int i = 0; i < size; i++) {
        Node node = nl.item(i);//  w  w  w .  j  av  a  2 s  . co  m
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            if (tagName.equals(node.getLocalName())) {
                String ns = node.getNamespaceURI();
                if (ns != null && ns.equals(nsName)) {
                    return (Element) node;
                }
            }
        }
    }

    return null;
}

From source file:Main.java

/**
 * Retrieve all child elements of the given DOM element that match
 * the given element getName. Only look at the direct child level of the
 * given element; do not go into further depth (in contrast to the
 * DOM API's <code>getElementsByTagName</code> method).
 * @param ele the DOM element to analyze
 * @param childEleName the child element getName to look for
 * @return a List of child <code>org.w3c.dom.Element</code> instances
 * @see org.w3c.dom.Element//from  www . ja  v  a  2s  .  c o  m
 * @see org.w3c.dom.Element#getElementsByTagName
 */
public static List<Node> getChildElements(Element ele, String childEleName) {
    NodeList nl = ele.getChildNodes();
    List<Node> childEles = new ArrayList<Node>();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node instanceof Element && nodeNameEquals(node, childEleName))
            childEles.add(node);
    }
    return childEles;
}

From source file:Main.java

public static Object getContent(Element element) {
    NodeList nl = element.getChildNodes();
    StringBuilder content = new StringBuilder();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);//from   ww  w.  j  a  v  a 2s .  co m
        switch (node.getNodeType()) {
        case Node.ELEMENT_NODE:
            return node;
        case Node.CDATA_SECTION_NODE:
        case Node.TEXT_NODE:
            content.append(node.getNodeValue());
            break;
        }
    }
    return content.toString().trim();
}