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

/** Return a list of the elements that are direct children of the given
 * node./*from   w  w  w .ja v a  2 s .  co  m*/
 */
public static List<Element> getChildElements(Node node) {
    NodeList childNodes = node.getChildNodes();
    List result = new ArrayList(childNodes.getLength());
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node oneChild = childNodes.item(i);
        if (oneChild instanceof Element)
            result.add(oneChild);
    }
    return result;
}

From source file:Main.java

public static Element getFirstChildElement(Node parent) {
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i)
        if (children.item(i) instanceof Element)
            return (Element) children.item(i);
    return null;/*from w w  w . ja v a2  s. co m*/
}

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.
 */// www .jav a  2  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

public static ImmutableList<Node> childrenOf(Node node) {
    NodeList children = node.getChildNodes();
    ImmutableList.Builder<Node> result = ImmutableList.builder();
    for (int i = 0, size = children.getLength(); i < size; i++) {
        result.add(children.item(i));//from  w  w  w.  j a va2s .  c  om
    }
    return result.build();
}

From source file:Main.java

/**
 * Removes all of the child nodes from a parent node.
 *//*  w w w. java2  s  .  c  o m*/
public static void emptyNode(final Node parent) {
    final NodeList childNodes = parent.getChildNodes();
    for (int i = childNodes.getLength() - 1; i >= 0; i--) {
        final Node childNode = childNodes.item(i);
        childNode.getParentNode().removeChild(childNode);
    }
}

From source file:Main.java

private static Object nodeValue(Node node) {
    NodeList childList = node.getChildNodes();
    if (childList.getLength() == 0) {
        return "";
    } else if (childList.getLength() == 1 && childList.item(0).getNodeType() == Node.TEXT_NODE) {
        return node.getTextContent().trim();
    } else {//from  w  w  w . ja v  a  2  s . c  o  m
        List<Object> value = new ArrayList<Object>();
        for (int i = 0; i < childList.getLength(); i++) {
            value.add(nodeValue(childList.item(i)));
        }
        return value;
    }
}

From source file:Main.java

/**
 * @param node//from   w  w w  . jav  a 2  s . co m
 * @return
 */
public static Element getLastElement(Node node) {
    NodeList children = node.getChildNodes();
    if (children == null || children.getLength() == 0) {
        return null;
    }
    int len = children.getLength();
    for (int i = len - 1; i >= 0; i--) {
        Node n = children.item(i);
        if (n instanceof Element) {
            return (Element) n;
        }
    }
    return null;
}

From source file:Main.java

/**
 * @param node//from  ww  w. j  ava  2  s  . c o m
 * @return
 */
public static Element getFirstElement(Node node) {
    NodeList children = node.getChildNodes();
    if (children == null || children.getLength() == 0) {
        return null;
    }
    int len = children.getLength();
    for (int i = 0; i < len; i++) {
        Node n = children.item(i);
        if (n instanceof Element) {
            return (Element) n;
        }
    }
    return null;
}

From source file:Main.java

public static Element getSingleElementByName(Node node, String name) {
    NodeList nodeList = node.getChildNodes();
    int count = nodeList.getLength();
    for (int i = 0; i < count; i++) {
        Node child = nodeList.item(i);
        if (child instanceof Element && child.getNodeName().equals(name)) {
            return (Element) child;
        }//from   w  w  w  . j av a 2s .com
    }
    return null;
}

From source file:Main.java

public static Node getFirstChildByTagName(Node parent, String tagName) {
    NodeList nodeList = parent.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node node = nodeList.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equalsIgnoreCase(tagName))
            return node;
    }/*from  w  w w .ja va 2s.  c o  m*/
    return null;
}