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

public static List<Node> getValidChildNodes(Node node) {
    List<Node> nl = new ArrayList<>();
    NodeList nodeList = node.getChildNodes();
    for (int i = 0; i < nodeList.getLength(); i++) {
        if (isValidNode(nodeList.item(i)))
            nl.add(nodeList.item(i));/*from  w w  w  . j  a va 2  s  . c  o m*/
    }
    return nl;
}

From source file:Main.java

/**
 * get the value of an Element in the Xml Document.
 * finds the first occurance of the element and retrieves its value.
 * @param root the root Element.//from w  ww  . j ava  2 s .c o  m
 * @param elemName the name of the element to search for.
 * @return String the element value or null if not found.
 */
public static String getElementValue(Element root, String elemName) {
    NodeList nl = root.getElementsByTagName(elemName);
    if (null == nl) {
        return (null);
    }
    Node n = nl.item(0);
    return (n.getFirstChild().getNodeValue().trim());
}

From source file:Main.java

/**
 * get single element by tag name//from   w  w  w .  j  a va  2  s.c o m
 * @param element
 * @param tag
 * @return
 */
public static List<Element> getElementsByTagName(Element element, String tag) {
    List<Element> elems = new ArrayList<Element>();
    NodeList list = element.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node node = list.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            if (e.getTagName().equals(tag)) {
                elems.add(e);
            }
        }
    }
    return elems;
}

From source file:Main.java

public static Element getChildWithAttribute(Element parent, String attrName) {
    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 (!"".equals(element.getAttribute(attrName))) {
                return element;
            }//from   w  ww .j  ava  2 s . com
        }
    }
    return null;
}

From source file:Main.java

/**
  Given a person element, must get the element specified
  by the tagName, then must traverse that Node to get the
  value.//from w ww  .j  a va2s. c  o  m
  Step1) get Element of name tagName from e
  Step2) cast element to Node and then traverse it for its
       non-whitespace, cr/lf value.
  Step3) return it!
        
  NOTE: Element is a subclass of Node
        
  @param    e   an Element
  @param    tagName a tag name
  @return   s   the value of a Node
 */
public static String getValue(Element e, String tagName) {
    try {
        //get node lists of a tag name from a Element
        NodeList elements = e.getElementsByTagName(tagName);

        Node node = elements.item(0);
        NodeList nodes = node.getChildNodes();

        //find a value whose value is non-whitespace
        String s;
        for (int i = 0; i < nodes.getLength(); i++) {
            s = ((Node) nodes.item(i)).getNodeValue().trim();
            if (s.equals("") || s.equals("\r")) {
                continue;
            } else
                return s;
        }

    } catch (Exception ex) {
        System.out.println(ex);
        ex.printStackTrace();
    }

    return null;

}

From source file:Main.java

public static List<Element> getChildElements(String tagName, Element element) {
    LinkedList<Element> result = new LinkedList<>();
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node n = nl.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE && n.getNodeName().equals(tagName)) {
            result.add((Element) n);
        }/*from   w ww .  j  av a 2 s  .  c om*/
    }
    return result;
}

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;
            }/*from www .j  a v a 2s .  c  o  m*/
        }
    }
    return null;
}

From source file:Main.java

public static Node getChildNode(Node node, String nodeName) {
    if (node.getNodeType() == Node.ELEMENT_NODE) {

        NodeList nodeList = node.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node n = nodeList.item(i);
            if (n.getNodeName().equals(nodeName)) {
                return n;
            }// w  w w . j  a v  a2s.c  o  m
        }
    }

    return null;
}

From source file:Main.java

public static Map<String, String> SimpleDocumentToMap(Document doc) {
    Map<String, String> simpleMap = new HashMap<String, String>();
    //trim off outter layer
    Node node = doc.getFirstChild();
    NodeList nList = node.getChildNodes();
    for (int i = 0; i < nList.getLength(); i++) {
        Node nNode = nList.item(i);
        if (nNode.getNodeType() == Node.ELEMENT_NODE) {
            Element eElement = (Element) nNode;
            if (eElement != null) {
                simpleMap.put(eElement.getTagName(), eElement.getTextContent());
            } // end if eelement
        } // end if nnode.getnodetype()
    } //end for int temp
    return simpleMap;
}

From source file:Main.java

public static final String getCDATA(Element elem, boolean trim) {
    StringBuilder sb = new StringBuilder();
    NodeList nl = elem.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node nc = nl.item(i);
        if (nc.getNodeType() == Node.CDATA_SECTION_NODE) {
            sb.append(((Text) nc).getData());
        } else if (nc.getNodeType() == Node.TEXT_NODE) {
            String txt = ((Text) nc).getData();
            if (trim) {
                txt = txt.trim();//  ww w.  j  a  v  a2 s.  c o m
            }
            sb.append(txt);
        }
    }
    return sb.toString();
}