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

/**
 * Helper method to get a list of only {@link Text} and {@link Element} typed {@link Node}s.
 * This is partially to workaround the difficulty of working with the {@link NodeList} object.
 * /*from w  w w. jav a 2 s.c o m*/
 * @param node
 *            the node whose children to get
 * 
 * @return the filtered list of child nodes
 */
private static List<Node> getChildNodes(Node node) {
    List<Node> children = new ArrayList<Node>();
    NodeList nl = node.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node child = nl.item(i);
        short type = child.getNodeType();
        if (type == Node.ELEMENT_NODE) {
            children.add(child);
        } else if (type == Node.TEXT_NODE) {
            String text = ((Text) child).getTextContent().trim();
            if (text.length() > 0) {
                children.add(child);
            }
        }
    }
    return children;
}

From source file:Main.java

public static void getEntityValues(Node node, Map map) {
    if (node instanceof EntityReference) {
        map.put(node.getNodeName(), node);
    }//w  w w .  j  a v  a  2 s.  co m
    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        getEntityValues(list.item(i), map);
    }
}

From source file:Main.java

public static ArrayList<Node> findAllChildren(final Node n, final String name) {
    final ArrayList<Node> retVal = new ArrayList<Node>();
    for (int i = 0; i < n.getChildNodes().getLength(); i++) {
        if (n.getChildNodes().item(i).getNodeName().equals(name)) {
            retVal.add(n.getChildNodes().item(i));
        }/*from  ww  w.  java 2s  . c  o  m*/
    }
    if (retVal.isEmpty()) {
        throw new IllegalStateException("no " + name + " children found in: " + n.getNodeName());
    }
    return retVal;
}

From source file:Main.java

public static boolean isSubTagExist(Node node, String tagName) {
    if (node == null) {
        return false;
    }/*from   w  w  w  .  j  a  v  a 2s .com*/
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node n = nodeList.item(i);
        if (n instanceof Element) {
            if (((Element) n).getTagName().equals(tagName)) {
                return true;
            }
        }
    }
    return false;
}

From source file:Main.java

/**
 * Get fisrt specified child node by tag name.
 * //ww  w .jav  a  2s. com
 * @param parent
 *          the parent node
 * @param tagName
 *          the tag name
 * @return the child node
 * @throws Exception
 *           on error
 */
public static Node getFirstChildNode(Node parent, String tagName) throws Exception {
    if (null != parent) {
        NodeList childrenList = parent.getChildNodes();
        int childrenCnt = childrenList.getLength();
        for (int i = 0; i < childrenCnt; i++) {
            Node child = childrenList.item(i);
            if (child.getNodeName().equals(tagName)) {
                return child;
            }
        }
    }
    return null;
}

From source file:Main.java

public static Collection<Node> getChildNodes(Node node) {
    Collection<Node> list = new LinkedList<Node>();

    NodeList nl = node.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++)
        if (nl.item(i).getNodeType() == Node.ELEMENT_NODE)
            list.add(nl.item(i));/*from   w  w w .j a v a  2s  .c o  m*/

    return list;
}

From source file:Main.java

public static List<Node> getChildNodes(Node node, String... elements) {
    List<Node> result = new ArrayList<Node>();
    NodeList childNodes = node.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.item(i);
        for (String element : elements) {
            if (element.equals(childNode.getNodeName())) {
                result.add(childNode);/*from w  ww .j a va  2  s  . c  o m*/
            }
        }
    }
    return result;
}

From source file:Main.java

public static String getNormalizedText(Node node) {
    String res = "";
    if (node.hasChildNodes()) {
        NodeList nl = node.getChildNodes();
        for (int i = 0; i < nl.getLength(); i++) {
            if (nl.item(i).getNodeType() == Node.TEXT_NODE) {
                res += nl.item(i).getNodeValue();
            } else {
                // ignore <SCRIPT> nodes ...
                if (!nl.item(i).getNodeName().equalsIgnoreCase("script"))
                    res += getNormalizedText(nl.item(i));
            }//from w  ww  .  ja va2s .  c o  m
        }
    }
    return res;
}

From source file:Main.java

/**
 * (A useful utility method from IBM developerworks)
 *///www. j a  va2s .com
public static String getTextContents(Node node) {
    NodeList childNodes;
    StringBuffer contents = new StringBuffer();

    childNodes = node.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        if (childNodes.item(i).getNodeType() == Node.TEXT_NODE) {
            contents.append(childNodes.item(i).getNodeValue());
        }
    }
    return contents.toString();
}

From source file:Main.java

/**
 * Returns a String containing the concatenation of text contained in the
 * given node. This includes Text node children, and Text node children of
 * Element nodes and their Element node children.
 * //from  w  ww .java2  s  .  c om
 * @param node a Node object
 * @return a concatenation of the descendent text
 */
public static String getChildrenText(Node node) {
    StringBuffer buf = new StringBuffer();
    getChildrenText(node.getChildNodes(), buf);
    return buf.toString();
}