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 List<Node> getChildNodes(Node node, String childTag) {
    ArrayList<Node> nodes = new ArrayList<Node>();
    if (node == null)
        return nodes;
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node childNode = nodeList.item(i);
        if (childNode != null && childNode.getLocalName() != null
                && childNode.getLocalName().equals(childTag)) {
            nodes.add(childNode);/* w w  w.  ja  va 2s  .  c o  m*/
        }
    }
    return nodes;
}

From source file:Main.java

public static HashMap<String, Node> getNodes(Node p_node) throws Exception {

    NodeList l_list = null;/*from   ww w. ja  v a 2  s  .  c  o m*/
    Node l_node = null;
    HashMap<String, Node> l_a = null;

    l_list = p_node.getChildNodes();
    if (l_list == null) {
        throw new Exception("XSD001: Unsupported / Invalid Element Type.");
    }
    l_a = new HashMap<String, Node>();
    for (int l_i = 0; l_i < l_list.getLength(); l_i++) {
        l_node = l_list.item(l_i);
        if (l_node.getNodeType() == Element.ELEMENT_NODE) {
            l_a.put(l_node.getNodeName(), l_node);
        }
    }

    return l_a;
}

From source file:Main.java

public static List<Element> getChildrenByTagName(Node parent, String tagName) {
    ArrayList<Element> elements = new ArrayList<Element>();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child instanceof Element) {
            Element elem = (Element) children.item(i);
            if (tagName.equals(elem.getTagName())) {
                elements.add(elem);//from  www .  j a  va 2 s. co  m
            }
        }
    }
    return elements;
}

From source file:Main.java

public static String getNodeValue(String tagName, NodeList nodes) {
    for (int x = 0; x < nodes.getLength(); x++) {
        Node node = nodes.item(x);
        if (node.getNodeName().equalsIgnoreCase(tagName)) {
            NodeList childNodes = node.getChildNodes();
            for (int y = 0; y < childNodes.getLength(); y++) {
                Node data = childNodes.item(y);
                if (data.getNodeType() == Node.TEXT_NODE)
                    return data.getNodeValue();
            }//w w w .j  a va2s .  c  o m
        }
    }
    return "";
}

From source file:Main.java

public static List<Element> getChildNodes(Node parent, String childName) {

    final List<Element> result = new ArrayList<Element>();

    final NodeList nodes = parent.getChildNodes();

    final int len = nodes.getLength();

    for (int i = 0; i < len; i++) {
        final Node n = nodes.item(i);
        if (!isElementNode(n)) {
            continue;
        }//ww w  .  ja v a2 s.  c  o  m
        if (n.getNodeName().equals(childName)) {
            result.add((Element) n);
        }
    }
    return result;
}

From source file:Main.java

public static String getNodeAttr(String tagName, String attrName, NodeList nodes) {
    for (int x = 0; x < nodes.getLength(); x++) {
        Node node = nodes.item(x);
        if (node.getNodeName().equalsIgnoreCase(tagName)) {
            NodeList childNodes = node.getChildNodes();
            for (int y = 0; y < childNodes.getLength(); y++) {
                Node data = childNodes.item(y);
                if ((data.getNodeType() == Node.ATTRIBUTE_NODE)
                        && data.getNodeName().equalsIgnoreCase(attrName)) {
                    return data.getNodeValue();
                }/*from  w  ww. ja va  2s  .c om*/
            }
        }
    }
    return "";
}

From source file:Main.java

public static ArrayList<Element> getElementsByTagNameNS(Node element, String namespace, String name) {
    ArrayList<Element> childElements = new ArrayList<Element>();

    NodeList elements = element.getChildNodes();
    if (elements != null) {
        for (int i = 0; i < elements.getLength(); i++) {
            if (elements.item(i).getNodeType() == Node.ELEMENT_NODE) {
                Element currentElement = (Element) elements.item(i);
                if ((currentElement.getNamespaceURI() == null
                        || currentElement.getNamespaceURI().equals(namespace))
                        && currentElement.getNodeName().equals(name)) {

                    childElements.add(currentElement);
                }//from  w w w .  ja v  a2 s.  c  om
            }
        }
    }

    return childElements;
}

From source file:Main.java

public static Node getSingleChildNode(Node p_node) throws Exception {

    NodeList l_list = null;/*from   w w  w. ja v a2s.  c  o m*/
    Node l_node = null;
    ArrayList<Node> l_a = null;

    l_list = p_node.getChildNodes();
    if (l_list == null) {
        throw new Exception("XSD001: Unsupported / Invalid Element Type.");
    }
    l_a = new ArrayList<Node>();
    for (int l_i = 0; l_i < l_list.getLength(); l_i++) {
        l_node = l_list.item(l_i);
        if (l_node.getNodeType() == Element.ELEMENT_NODE) {
            l_a.add(l_node);
        }
    }
    if (l_a.size() == 1) {
        l_node = l_a.get(0);
    } else {
        throw new Exception("XSD003: Unsupported / Invalid Element Type Structure.");
    }

    return l_node;
}

From source file:Main.java

public static Node getFirstElementChild(Node parentNode) {
    Node element = null;/*w  ww .j a v a  2  s .  c  o m*/

    if (!isElement(parentNode)) {
        return null;
    } else {
        NodeList childList = parentNode.getChildNodes();
        for (int nodeIx = 0; nodeIx < childList.getLength(); nodeIx++) {
            Node node = childList.item(nodeIx);
            if (isElement(node)) {
                return node;
            }
        }
    }

    return null;
}

From source file:Main.java

/**
 * used to parse out elements of a list such as this:
 * <node>//from   ww w .  j  ava  2s . c om
 *    <element>value1</element>
 *    <element>value2</element>
 *    <element>value3</element>
 * </node>
 *
 * for this example, called with Node pointing to <node> element and "element" 
 * in listElementName.
 * @param listNode pointer to list's "root" node
 * @param listElementName name of list element
 * @return Vector of list elements 
 */
public static Vector getListElements(Node listNode, String listElementName) {
    String tmp = "";
    Vector ret = null;

    NodeList children = listNode.getChildNodes();
    if (children != null) {
        ret = new Vector();

        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);

            if (child.getNodeName().equalsIgnoreCase(listElementName)) {
                /* value is in element node's only (text) child */
                String value = child.getChildNodes().item(0).getNodeValue();
                if ((value != null) && !value.equals("")) {
                    ret.add(value);
                }
            }
        }
    }
    return ret;
}