Example usage for org.w3c.dom Node hasChildNodes

Introduction

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

Prototype

public boolean hasChildNodes();

Source Link

Document

Returns whether this node has any children.

Usage

From source file:Main.java

/**
 * Hack...since DOM reads newlines as textnodes we want to strip out those nodes to make it easier to use the tree.
 *//*from   www.  j  av  a2 s.c  o  m*/
public static void stripEmptyTextNodes(Node n) {
    NodeList children = n.getChildNodes();
    int length = children.getLength();
    for (int i = 0; i < length; i++) {
        Node c = children.item(i);
        if (!c.hasChildNodes() && c.getNodeType() == Node.TEXT_NODE
                && c.getTextContent().trim().length() == 0) {
            n.removeChild(c);
            i--;
            length--;
            children = n.getChildNodes();
        } else {
            stripEmptyTextNodes(c);
        }
    }
}

From source file:Main.java

/**
 * based on public Java5 javadoc of org.w3c.dom.Node.setTextContent method
 *//*w  w w . j a va 2 s . co  m*/
public static void setTextContent(Node node, final String text) {
    while (node.hasChildNodes()) {
        node.removeChild(node.getFirstChild());
    }

    if (text != null && text.length() > 0) {
        Node textNode = node.getOwnerDocument().createTextNode(text);
        node.appendChild(textNode);
    }
}

From source file:Main.java

/**
 * Method to remove all children of g:options - element
 * /*from w  w w.  jav  a2  s .  c  o m*/
 * @param doc document with children  g:options
 * @return document without children g:options
 */
public static Document removeAllOptions(Document doc) {
    NodeList nodes = doc.getElementsByTagName("g:options");
    Node node = nodes.item(0);
    while (node.hasChildNodes())
        node.removeChild(node.getFirstChild());
    return doc;
}

From source file:NodeUtils.java

/**
 * Returns a first child DOM Node of type ELEMENT_NODE
 * for the specified Node./* w w  w.ja  v  a  2s  .  c  om*/
 */
public static Node getChildElementNode(Node xmlNode) {
    if (xmlNode == null || !xmlNode.hasChildNodes()) {
        return null;
    }

    xmlNode = xmlNode.getFirstChild();
    while (xmlNode != null && xmlNode.getNodeType() != Node.ELEMENT_NODE) {
        xmlNode = xmlNode.getNextSibling();
    }

    return xmlNode;
}

From source file:Main.java

/**
 * Delete children elements for Node//  w  w w . j  av  a  2  s.  c  om
 */
public static void removeAllChildren(Node node) {
    if (node != null) {
        while (node.hasChildNodes()) {
            node.removeChild(node.getFirstChild());
        }
    }
}

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  w w . j a v a2 s.  co  m
        }
    }
    return res;
}

From source file:Main.java

public static String getDeepNodeValue(Node node) {
    StringJoiner out = new StringJoiner(" ");

    if (node.hasChildNodes()) {
        for (int i = 0; i < node.getChildNodes().getLength(); i++) {
            String val = getDeepNodeValue(node.getChildNodes().item(i));
            if (val != null && val.trim().length() != 0)
                out.add(val.trim());
        }/*from w w  w.  j  a v a  2 s .c om*/
    } else if (node.getNodeValue() != null && node.getNodeValue().trim().length() != 0) {
        out.add(node.getNodeValue().trim());
    }

    return out.toString();
}

From source file:Main.java

/**
 * Return a Node object with the name is nodeName
 * @param parent parent Node which contains the node nodeName
 * @param nodeName name of the node//w ww.ja  v  a2 s.co  m
 * @return a Node object with the name is nodeName<br>
 * if the node parent doesn't have child nodes, null is return.
 */
public static Node getNode(Node parent, String nodeName) {
    if (parent.hasChildNodes()) {
        for (int i = 0; i < parent.getChildNodes().getLength(); i++) {
            if (parent.getChildNodes().item(i).getNodeName().equalsIgnoreCase(nodeName)) {
                return parent.getChildNodes().item(i);
            }
        }
    }
    return null;
}

From source file:Main.java

public static String getId(Node node) {
    try {// w w  w  .  j  a v a  2 s .  c  o  m
        NamedNodeMap nnm = node.getAttributes();
        Node attrib = nnm.getNamedItem("Id");
        Object ID;
        if (attrib.hasChildNodes()) {
            ID = attrib.getChildNodes().item(0).getNodeValue();
        } else {
            ID = attrib.getNodeValue();
        }
        return ID.toString();
    } catch (Exception ex) {
        return "";
    }
}

From source file:Main.java

private static void appendChildren(Node node, StringBuffer sb) {
    if (node.hasChildNodes()) {
        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            sb.append(convertDOMToString(children.item(i)));
        }/*from   w ww  .java  2  s .c  o m*/
    }
}