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 Element getChildByAttrName(Node node, String attrName, String attrValue) {

    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node n = nodeList.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            Element el = (Element) n;
            if (attrValue.equals(el.getAttribute(attrName))) {
                return el;
            }//from  w w w.j  a v a  2  s. c o m
        }
    }

    return null;
}

From source file:Main.java

public static void removeNodesByName(Node node, String name) {
    NodeList nl = node.getChildNodes();

    int i = 0;/* w ww  . jav a2s.  c  o m*/
    while (i < nl.getLength())
        if (nl.item(i).getNodeName().equals(name))
            node.removeChild(nl.item(i));
        else
            i++;
}

From source file:Main.java

private static Node ifNodeExists(Node upper, String path) {
    NodeList list = upper.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        if (list.item(i).getNodeName().equals(path))
            return list.item(i);
    }//  ww  w  .  j ava 2  s  .  c  om
    return null;
}

From source file:Main.java

/**
 * This method takes Node object as argument and return the value of the
 * first child of the node.//from  w w  w  .  j av a  2s  . c om
 * <p/>
 * If there is no such node, this will return null.
 * 
 * @param node
 *            Node object
 * @return <code>String</code> returns the value of the node
 */
public static String getTagValue(Node node) {
    NodeList childNodeList = node.getChildNodes();
    String value;
    if (childNodeList == null) {
        value = "";
    } else {
        StringBuffer buffer = new StringBuffer();
        for (int j = 0; j < childNodeList.getLength(); j++) {
            buffer.append(childNodeList.item(j).getNodeValue());
        }
        value = buffer.toString();
    }
    return value;
}

From source file:Main.java

/**
 * Extract nested text from a node. Currently does not handle coalescing
 * text nodes, CDATA sections, etc./*from   w ww  .  j  av a2 s .  co  m*/
 *
 * @param parent a parent element
 * @return the nested text, or null if none was found
 *
 * @since 8.4
 */
public static String findText(Node parent) {
    NodeList l = parent.getChildNodes();
    for (int i = 0; i < l.getLength(); i++) {
        if (l.item(i).getNodeType() == Node.TEXT_NODE) {
            Text text = (Text) l.item(i);
            return text.getNodeValue();
        }
    }
    return null;
}

From source file:Main.java

/**
 * Checks if a node has a child of ELEMENT type.
 * @param node a node/*from   w  ww .j av  a2  s . c om*/
 * @return true if the node has a child of ELEMENT type
 */
public static boolean hasElementChild(Node node) {
    NodeList nl = node.getChildNodes();
    Node child = null;
    int length = nl.getLength();

    for (int i = 0; i < length; i++) {
        child = nl.item(i);

        if (child.getNodeType() == Node.ELEMENT_NODE) {
            return true;
        }
    }

    return false;
}

From source file:Main.java

/**
 * Search a child node by type/* w  w  w. ja v a  2s . c  o m*/
 * 
 * @param parent   the parent node
 * @param nodeType  the node type for searching
 * @return         Node with the specified name
 * @see            Node
 * @throws Exception
 */
public static Node findChildNodeByType(Node parent, String nodeType) throws Exception {
    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node.getNodeName().equals("Node")) {
            String strType = node.getAttributes().getNamedItem("type").getNodeValue();
            if (strType.equals(nodeType))
                return node;
        }
    }
    return null;
}

From source file:Main.java

public static Element fetchOrCreateElement(Document doc, Node parent, String tagName) {
    NodeList nl = parent.getChildNodes();
    if (nl != null && nl.getLength() > 0) {
        for (int i = 0; i < nl.getLength(); ++i) {
            Node n = nl.item(i);//from w  w  w  .  j  av a 2 s . c om
            if (n instanceof Element) {
                Element e = (Element) n;
                if (((Element) n).getTagName().equals(tagName)) {
                    return e;
                }
            }
        }
    }
    // if get to here, not found element with this tagName, so create it
    return createElement(doc, parent, tagName);
}

From source file:Main.java

public static Node removeChildren(Node parentNode) {
    if (parentNode != null) {
        NodeList list = parentNode.getChildNodes();
        if (list != null) {
            for (int i = 0; i < list.getLength(); i++) {
                Node node = list.item(i);
                if (node != null) {
                    parentNode.removeChild(node);
                }/*w  w  w  .  jav  a2s . c  o m*/
            }
        }
    }
    return parentNode;
}

From source file:Main.java

/**
 * Returns the first child node matching the {@code tagName}.
 *///from   www . j a  v a2s  . co m
public static Node findNode(Node parent, String tagName) {
    Node result = null;

    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i).getNodeName().equals(tagName)) {
            return nl.item(i);
        }
    }

    return result;
}