Example usage for org.w3c.dom Element getChildNodes

Introduction

In this page you can find the example usage for org.w3c.dom Element 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 getChild(Element parent, String name) {

    NodeList children = parent.getChildNodes();

    final int length = children.getLength();

    for (int index = 0; index < length; index++) {

        Node node = children.item(index);

        if (node.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }//from   www  .j av a 2  s .  c om

        Element element = (Element) node;

        if (name.equalsIgnoreCase(element.getNodeName())) {
            return element;
        }
    }

    return null;
}

From source file:Main.java

public static Element[] getChildrenByName(Element parentElement, String childrenName) {
    NodeList nl = parentElement.getChildNodes();
    int max = nl.getLength();
    LinkedList<Node> list = new LinkedList<Node>();
    for (int i = 0; i < max; i++) {
        Node n = nl.item(i);/*  w ww  .j  a va 2 s  .c  om*/
        if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equals(childrenName)) {
            list.add(n);
        }
    }
    return list.toArray(new Element[list.size()]);
}

From source file:Main.java

public static Element getChildElement(Element parent, String childName, String childNamespace) {
    NodeList ns = parent.getChildNodes();
    for (int i = 0; i < ns.getLength(); i++) {
        Node n = ns.item(i);//  w  w w  .  j  a  va2s  .c o  m
        if (n instanceof Element) {
            Element child = (Element) n;
            if (childName.equals(child.getLocalName()) && childNamespace.equals(child.getNamespaceURI())) {
                return child;
            }
        }
    }
    return null;
}

From source file:Main.java

/**
 * Returns the first child element for the given name
 *//* ww w .ja  v  a2 s .c o  m*/
public static Element firstChild(Element element, String name) {
    NodeList nodes = element.getChildNodes();
    if (nodes != null) {
        for (int i = 0, size = nodes.getLength(); i < size; i++) {
            Node item = nodes.item(i);
            if (item instanceof Element) {
                Element childElement = (Element) item;

                if (name.equals(childElement.getTagName())) {
                    return childElement;
                }
            }
        }
    }
    return null;
}

From source file:Main.java

public static Element getElementById(Element element, String id) {
    return getElementById(element.getChildNodes(), id);
}

From source file:Main.java

public static Element getFirstSubElement(Element element) {
    NodeList childNodes = element.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        switch (childNodes.item(i).getNodeType()) {
        case Node.ELEMENT_NODE:
            return (Element) childNodes.item(i);
        }/* ww  w .jav  a 2  s. c  om*/
    }
    return null;
}

From source file:Main.java

/**
 * @return a List of child Elements/*from  www.j  a  v a2s. c  o  m*/
 */
public static List<Element> getChildren(Element element) throws Exception {
    NodeList nodes = element.getChildNodes();
    ArrayList<Element> ret = new ArrayList<Element>(nodes.getLength());
    for (int i = 0; i < nodes.getLength(); i++) {
        Node childNode = nodes.item(i);
        if (childNode.getNodeType() == Node.ELEMENT_NODE) {
            ret.add((Element) childNode);
        }
    }
    return ret;
}

From source file:Main.java

public static void stripWhitespace(Element element) {
    final NodeList childNodeList = element.getChildNodes();
    for (int i = 0; i < childNodeList.getLength(); i++) {
        Node node = childNodeList.item(i);
        switch (node.getNodeType()) {
        case Node.TEXT_NODE:
        case Node.CDATA_SECTION_NODE:
            final String text = ((CharacterData) node).getData();
            if (WhitespacePattern.matcher(text).matches()) {
                element.removeChild(node);
                --i;//from www .j  ava  2s  . c  om
            }
            break;
        case Node.ELEMENT_NODE:
            stripWhitespace((Element) node);
            break;
        }
    }
}

From source file:Main.java

public static String getTextChild(Element element) {
    NodeList children = element.getChildNodes();
    String value = null;/*from  w  ww  .  j  ava 2 s.co m*/
    for (int i = 0; i < children.getLength(); ++i) {
        Node child = children.item(i);
        if (child.getNodeType() == Node.TEXT_NODE) {
            if (null != value) {
                throw new IllegalStateException(
                        "Element " + elementToString(element) + " has more than one text child.");
            } else {
                value = child.getNodeValue();
            }
        }
    }
    return value;
}

From source file:Main.java

public static Element getChildWithAttributeValue(Element parent, String attrName, String attrValue) {
    NodeList childNodes = parent.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node instanceof Element) {
            Element element = (Element) node;
            if (attrValue.equals(element.getAttribute(attrName))) {
                return element;
            }/* ww w  .ja  va2s  . c o m*/
        }
    }
    return null;
}