Example usage for org.w3c.dom Node getChildNodes

Introduction

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

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

public static Node findChildNode(Node parent, String childName) {
    NodeList childNodes = parent.getChildNodes();
    int childCount = childNodes.getLength();
    Node child;/*from  w  w  w  .j av a  2 s.  c o  m*/

    for (int i = 0; i < childCount; i++) {
        child = childNodes.item(i);

        if (child.getNodeName().equals(childName)) {
            return child;
        }
    }

    return null;
}

From source file:Main.java

/**
 * Checks if a <code>Node</code> has any descendant <code>Element</code> nodes.
 * //from   www  .j  a  v a  2 s .  c  o  m
 * @param   n   <code>Node</code> to be examined
 * 
 * @return  boolean
 */
public static boolean containsElements(Node n) {
    NodeList children = n.getChildNodes();

    for (int i = 0; i < children.getLength(); i++) {

        if (children.item(i) instanceof Element) {
            return true;
        }

    }

    return false;
}

From source file:Main.java

public static String getText(Node node) {
    String value = "";

    NodeList children = node.getChildNodes();
    for (int k = 0; k < children.getLength(); k++) {
        Node child = children.item(k);
        if (child.getNodeType() == Node.TEXT_NODE) {
            value = child.getNodeValue();
        }/*w ww .j  a va 2s. c om*/
    }

    return value;
}

From source file:Main.java

public static String getChildNodeText(Node root, String childName) {
    NodeList nodeList = root.getChildNodes();

    for (int i = 0; i < nodeList.getLength(); i++) {
        if (childName.equals(nodeList.item(i).getNodeName()))
            return nodeList.item(i).getTextContent();
    }//from w  ww.  ja  v a2 s.c  om
    return "";
}

From source file:Main.java

static private boolean existNode(Node node, String nodeName, String textValue) {
    NodeList childs = node.getChildNodes();
    for (int i = 0; i < childs.getLength(); i++) {
        if (childs.item(i).getNodeName().equals(nodeName)
                && childs.item(i).getTextContent().equals(textValue)) {
            return true;
        }//from  w w  w  .j a va 2 s . c o  m
    }
    return false;
}

From source file:Main.java

/**
 * get the value of an Element in the Xml Document.
 * finds the first occurance of the parent element and then searches its children
 * for the first occurance of the element and retrieves its value.
 * @param root the root Element.//  ww w. j a v a2 s. co  m
 * @param parent the name of the parent element to search for.
 * @param elemName the name of the child element to search for.
 * @return String the element value or null if not found.
 */
public static String getSubElementValue(Element root, String parent, String elemName) {
    NodeList nl = root.getElementsByTagName(parent);
    String value = null;
    if (null == nl) {
        return (null);
    }
    Node node = nl.item(0);
    nl = node.getChildNodes();
    if (null == nl) {
        return (null);
    }

    boolean found = false;
    for (int i = 0; !found && i < nl.getLength(); ++i) {
        Node n = nl.item(i);
        if (elemName.equals(n.getNodeName())) {
            value = n.getFirstChild().getNodeValue().trim();
            found = true;
            break;
        } // if
    } // for
    return (value);
}

From source file:Main.java

/**
 * Finds the first child of a node with the given name
 * @param parent the parent node/*  w ww.ja  v a  2 s.c  o m*/
 * @param name the name
 * @return the child node
 */
public static Node findFirstChild(Node parent, String name) {
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i) {
        Node node = children.item(i);
        if (name.equals(node.getNodeName())) {
            return node;
        }
    }
    return null;
}

From source file:Main.java

public static String getXMLText(Node n, boolean trim) {
    NodeList nl = n.getChildNodes();
    return (nl.getLength() == 0 ? null : getXMLText(nl, 0, trim));
}

From source file:Main.java

public static void removeTextNodes(Node node) {
    NodeList nl = node.getChildNodes();

    int i = 0;/*from  ww w  .  j a v a 2s . co m*/
    while (i < nl.getLength())
        if (nl.item(i).getNodeType() == Node.TEXT_NODE)
            node.removeChild(nl.item(i));
        else
            i++;
}

From source file:Main.java

public static String getCDATAContent(Node node) {
    NodeList nodeList = node.getChildNodes();
    if (nodeList != null) {
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node child = nodeList.item(i);
            if (child.getNodeType() == Node.CDATA_SECTION_NODE) {
                CDATASection cdata = (CDATASection) child;
                return cdata.getData();
            }/*from w  w  w  . j  a v a  2  s  .c  o m*/
        }
    }
    return null;
}