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

/**
 * Checks if the given node has only text children.
 *
 * @param node parent.//from  w  w  w. j  a  v a  2s.  c o  m
 * @return 'TRUE' if the given node has only text children; 'FALSE' otherwise.
 */
public static boolean hasOnlyTextChildNodes(final Node node) {
    boolean result = true;
    final NodeList children = node.getChildNodes();
    for (int i = 0; result && i < children.getLength(); i++) {
        final Node child = children.item(i);
        if (child.getNodeType() != Node.TEXT_NODE) {
            result = false;
        }
    }

    return result;
}

From source file:Main.java

public static String getChildNodeValue(String nodeName, Node parent) {

    if (parent == null) {
        return null;
    }/*  w ww  . j a va 2 s .  co  m*/

    NodeList childNodes = parent.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            if (node.getNodeName().equals(nodeName)) {
                Node firstChild = node.getFirstChild();
                if ((firstChild != null) && (firstChild.getNodeType() == Node.TEXT_NODE)) {
                    return firstChild.getNodeValue();
                } else {
                    return null;
                }
            }
        }
    }

    return null;
}

From source file:Main.java

public static String getSubTagValue(Element root, String tagName, String subTagName) {
    String returnString = "";
    NodeList list = root.getElementsByTagName(tagName);
    for (int loop = 0; loop < list.getLength(); loop++) {
        Node node = list.item(loop);
        if (node != null) {
            NodeList children = node.getChildNodes();
            for (int innerLoop = 0; innerLoop < children.getLength(); innerLoop++) {
                Node child = children.item(innerLoop);
                if ((child != null) && (child.getNodeName() != null)
                        && (child.getNodeName().equals(subTagName))) {
                    Node grandChild = child.getFirstChild();
                    if (grandChild.getNodeValue() != null) {
                        return grandChild.getNodeValue();
                    }/*from   w ww  . j a  va 2 s.c om*/
                }
            }
        }
    }
    return returnString;
}

From source file:Main.java

/**
 * Returns a List of all descendant Element nodes having the specified
 * [namespace name] property. The elements are listed in document order.
 * /*  w w  w.  jav  a 2 s. c  o m*/
 * @param node
 *            The node to search from.
 * @param namespaceURI
 *            An absolute URI denoting a namespace name.
 * @return A List containing elements in the specified namespace; the list
 *         is empty if there are no elements in the namespace.
 */
public static List<Element> getElementsByNamespaceURI(Node node, String namespaceURI) {
    List<Element> list = new ArrayList<Element>();
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child.getNodeType() != Node.ELEMENT_NODE)
            continue;
        if (child.getNamespaceURI().equals(namespaceURI))
            list.add((Element) child);
    }
    return list;
}

From source file:Main.java

public static List<Element> readChildren(Node parentNode, String nodeName) {
    ArrayList<Element> ret = new ArrayList<Element>();
    NodeList children = parentNode.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        if (children.item(i).getNodeName().equals(nodeName))
            ret.add((Element) children.item(i));
    }// www. jav a  2  s.  c  o m
    return ret;
}

From source file:Main.java

public static String getTagValue(String sTag, Element eElement) {
    if (eElement == null) {
        return null;
    }//  w  ww  .ja  va2 s.  com
    NodeList aNodeList = eElement.getElementsByTagName(sTag);
    if (aNodeList == null) {
        return null;
    }
    Node aNode = aNodeList.item(0);
    if (aNode == null) {
        return null;
    }
    NodeList nlList = aNode.getChildNodes();
    Node nValue = (Node) nlList.item(0);
    if (nValue == null) {
        return null;
    }
    return nValue.getNodeValue();
}

From source file:Main.java

/**
 * Searches below the supplied Node for a "list" tag and then retrieves the contents of the "value" tag(s) under that.
 * Note that if there is more than one "list" under the node then we will take the values from the first one only.
 * /*from  www  .  j  a  va2s .  c  o m*/
 * @param node
 *          acts as the root for the seach
 * 
 * @return list of Strings corresponding to the contents of the "value" tag(s)
 */
public static ArrayList getElementListValues(Node node) {
    ArrayList values = new ArrayList();

    // search for list tag
    Document doc = node.getOwnerDocument();
    NodeList list = doc.getElementsByTagName("list");

    if (list.getLength() == 0)
        return values;

    // search under that for value tag(s)
    doc = list.item(0).getOwnerDocument();
    NodeList vals = doc.getElementsByTagName("value");

    // for each one we get the text contents
    for (int i = 0; i < vals.getLength(); i++) {
        Node v = vals.item(i);
        NodeList text = v.getChildNodes();

        if (text == null) {
            values.add("");
            continue;
        }

        // there should be only text inside the value tag
        Node value = text.item(0);
        if (value == null)
            values.add("");
        else
            values.add(value.getNodeValue());
    }

    return values;
}

From source file:Main.java

/**
 * Retrieves a Map of the value of child nodes in the form { [Node Name] =>
 * [Node Value] }//from  w  w  w  .  j av  a2s. c o m
 * 
 * @param node
 */
public static Map<String, String> getChildValueMap(Node node) {
    HashMap<String, String> map = new HashMap<String, String>();

    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node n = children.item(i);
        String nodeName = n.getNodeName();
        String nodeValue = getNodeValue(n);

        map.put(nodeName, nodeValue);
    }

    return map;
}

From source file:Main.java

/**
 * Returns a List of all descendant Element nodes having the specified
 * [namespace name] property. The elements are listed in document order.
 *
 * @param node The node to search from.//  www. j  a v  a  2  s .  c  o  m
 * @param namespaceURI An absolute URI denoting a namespace name.
 * @return A List containing elements in the specified namespace; the list
 * is empty if there are no elements in the namespace.
 */
public static List<Element> getElementsByNamespaceURI(Node node, String namespaceURI) {
    List<Element> list = new ArrayList<Element>();
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }
        if (child.getNamespaceURI().equals(namespaceURI)) {
            list.add((Element) child);
        }
    }
    return list;
}

From source file:Main.java

public static int outputNode(Node outputNode, PrintWriter outputWriter, int curPos) {
    NodeList nodes = outputNode.getChildNodes();
    int curNodeNum;
    if (outputNode.getNodeType() == Node.TEXT_NODE) {
        outputWriter.print(outputNode.getNodeValue());
    } else {/*from   w w w . j av a 2 s.  c  o m*/
        if (outputNode.getNodeName().equals("p")) {
            outputWriter.println();
        }

        for (curNodeNum = 0; curNodeNum < nodes.getLength(); curNodeNum++) {
            Node curNode = nodes.item(curNodeNum);
            curPos = outputNode(curNode, outputWriter, curPos);
            //System.out.println(curNode.getNodeName());
            //System.out.println(curNode.getNodeValue());
        }

    }
    return (curPos);
}