Example usage for org.w3c.dom NodeList item

Introduction

In this page you can find the example usage for org.w3c.dom NodeList item.

Prototype

public Node item(int index);

Source Link

Document

Returns the indexth item in the collection.

Usage

From source file:Main.java

/**
 * Returns the child of the given node which has the specified name
 * If no such node exists, returns null/*  ww w . j av  a  2s . co  m*/
 */
public static Node findChild(Node parent, String name) {
    // Iterate through the collection of children
    NodeList nodes = parent.getChildNodes();
    for (int a = 0; a != nodes.getLength(); ++a) {
        Node node = nodes.item(a);
        if (node.getNodeName().equals(name)) {
            // This is the one
            return node;
        }
    }

    // No such node
    return null;
}

From source file:Main.java

public static Node getFirstValidNode(Node node) {
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        if (isValidNode(children.item(i)))
            return children.item(i);
    }/*from  ww w . ja  v  a 2 s  . c  om*/

    return null;
}

From source file:Main.java

/**
 * get all child elements matching the given tag 
 * //  w  w  w .ja  v  a2s .  c  om
 * @param tag
 * @param searchIn
 * @return
 */
public static ArrayList<Element> getChildElementsByTag(String tag, Element searchIn) {
    ArrayList<Element> toReturn = new ArrayList<Element>();
    NodeList list = searchIn.getChildNodes();

    for (int i = 0; i < list.getLength(); i++) {
        Node n = list.item(i);
        if (n instanceof Element && ((Element) n).getTagName().equals(tag)) {
            toReturn.add((Element) n);
        }

    }
    return toReturn;
}

From source file:Main.java

public static Map<String, String> getChildElements(Node parent) {
    Map<String, String> elements = new HashMap<String, String>();

    NodeList children = parent.getChildNodes();

    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        elements.put(child.getNodeName(), child.getTextContent());
    }//from   ww w. ja  v  a 2 s .  com

    return elements;
}

From source file:Main.java

/**
 * Removes all Whitespace Noted from the specified element.
 * @param e Element// ww  w.  j ava 2 s .  c  o m
 */
private static void removeWhitespaceNodes(Element e) {
    NodeList children = e.getChildNodes();
    for (int i = children.getLength() - 1; i >= 0; i--) {
        Node child = children.item(i);
        if (child instanceof Text && ((Text) child).getData().trim().length() == 0) {
            e.removeChild(child);
        } else if (child instanceof Element) {
            removeWhitespaceNodes((Element) child);
        }
    }
}

From source file:Main.java

/**Get a NodeLIst of child nodes, ignoring nodes that have White space
 * @param e/*from  w  w  w .j a v a 2  s . c  o m*/
 * @return
 */
public static NodeList getChildNodesNoWS(Element e) {
    NodeList children = e.getChildNodes();
    for (int i = children.getLength() - 1; i >= 0; i--) {
        Node child = children.item(i);
        if (child instanceof Text && ((Text) child).getData().trim().length() == 0) {
            e.removeChild(child);
        }

    }
    return e.getChildNodes();
}

From source file:Main.java

public static Node findChildNode(Node node, String name) {
    Node child;// w  w  w . j  ava2s.com
    NodeList list;

    list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        child = list.item(i);
        if (child instanceof Element && child.getNodeName().equals(name)) {
            return child;
        }
    }

    return null;
}

From source file:Main.java

public static String getTextValue(Element valueEle) {

    StringBuffer value = new StringBuffer();
    NodeList nl = valueEle.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node item = nl.item(i);
        if ((item instanceof CharacterData && !(item instanceof Comment)) || item instanceof EntityReference) {
            value.append(item.getNodeValue());
        }/*w w  w .  jav a  2  s.co m*/
    }
    return value.toString().trim();
}

From source file:Main.java

public static List<? extends Node> get_childs(Node parent, String child_name) {
    List<Node> result = new LinkedList<Node>();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); ++i) {
        Node child = children.item(i);
        if (child.getNodeName().equals(child_name))
            result.add(child);//from   ww w  . java2s.c o m
    }
    return result;
}

From source file:Main.java

public static void getInnerText(StringBuilder sb, Element elt, String separator) {
    NodeList tns = elt.getChildNodes();
    for (int j = 0; j < tns.getLength(); j++) {
        Node tn = tns.item(j);
        if (tn.getNodeType() == Node.TEXT_NODE) {
            sb.append(tn.getNodeValue());
        } else if (tn.getNodeType() == Node.ELEMENT_NODE) {
            sb.append(separator);/* w w w .  java2 s. c om*/
            getInnerText(sb, (Element) tn, separator);
            sb.append(separator);
        }
    }
}