Example usage for org.w3c.dom NodeList getLength

Introduction

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

Prototype

public int getLength();

Source Link

Document

The number of nodes in the list.

Usage

From source file:Main.java

public static String getTextTag(Node node, String tagName) {
    Element elem = (Element) node;
    NodeList list = elem.getElementsByTagName(tagName);
    if (list.getLength() == 0)
        return null;
    Node child = list.item(0).getFirstChild();
    if (child.getNodeType() == Node.TEXT_NODE)
        return child.getNodeValue();
    return null;//from  w  w  w  .jav a2  s  . c o  m
}

From source file:Main.java

public static Element getLocalElementByTagName(Element context, String tagName) {
    NodeList childNodes = context.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if (node instanceof Element && tagName.equals(node.getNodeName()))
            return (Element) node;
    }/*from   ww w .  ja  v a 2 s  . c om*/
    return null;
}

From source file:Main.java

public static Node GetSimpleTagNode(Document doc, String tag) {
    NodeList nList2 = doc.getElementsByTagName(tag);
    for (int temp = 0; temp < nList2.getLength(); temp++) {
        Node nNode2 = nList2.item(temp);
        if (nNode2.getNodeType() == Node.ELEMENT_NODE) {
            return nNode2;
        } // end if nnode.getnodetype()
    } //end for int temp
    return null;/*from  ww  w. jav a 2s. com*/
}

From source file:Main.java

/**
 * Search a child node by type/*from   ww  w. ja  v  a 2 s  . co  m*/
 * 
 * @param parent   the parent node
 * @param nodeName   the node name
 * @param nodeType  the node type for searching
 * @return         Node with the specified name
 * @see            Node
 * @throws Exception
 */
public static Node findChildNodeByNameAndType(Node parent, String nodeName, String nodeType) throws Exception {
    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node node = nl.item(i);
        if (node.getNodeName().equals(nodeName)) {
            String strType = node.getAttributes().getNamedItem("type").getNodeValue();
            if (strType.equals(nodeType))
                return node;
        }
    }
    return null;
}

From source file:Main.java

public static Element[] getElementsByName(Element parent, String name) {

    List<Node> resList = Lists.newArrayList();
    NodeList nl = getNodeList(parent);
    for (int i = 0; i < nl.getLength(); i++) {
        Node nd = nl.item(i);/*from   ww  w . j a v a 2  s  .  c om*/
        if (nd.getNodeName().equals(name)) {
            resList.add(nd);
        }
    }
    Element[] res = new Element[resList.size()];
    for (int i = 0; i < resList.size(); i++) {
        res[0] = (Element) resList.get(i);
    }

    return res;
}

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

/**
 * Returns the first child of a node with a specified name.
 * //from  ww w.  jav  a  2s  . c o  m
 * @param node The parent node.
 * @param name The name of the child.
 * @return The first child of <code>node</code> named <code>name</code>.
 */
public static Node getChildByName(Node node, String name) {
    try {
        NodeList list = node.getChildNodes();
        for (int i = 0; i < list.getLength(); i++) {
            if (list.item(i).getNodeName().equals(name)) {
                return list.item(i);
            }
        }
        return null;

    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static String getSimpleElementText(Element node) {
    if (node == null)
        return null;
    StringBuffer sb = new StringBuffer();
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child instanceof Text) {
            sb.append(child.getNodeValue());
        }//from  w  w  w  .j  a  va  2  s. co  m
    }
    return sb.toString();
}

From source file:Main.java

public static final List<Element> getChildElements(Element parent) {
    final List<Element> childElements = new ArrayList<Element>();

    final NodeList childNodes = parent.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); ++i) {
        final Node node = childNodes.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            childElements.add((Element) node);
        }//from  w w w  .j  ava  2 s .c  o  m
    }

    return childElements;
}

From source file:Main.java

/**gets string associated with a node
 * @param node node to get string for//from w w w .  ja va 2s .c  o m
 * @param string associated with the input node*/
static public String getAssociatedString(Node node) {
    // Has to be a real Node
    if (node == null)
        return null;

    // Must have one and only one string associted with it
    NodeList children = node.getChildNodes();
    if (children.getLength() > 1) {
        System.out.println("XMLUtils: Node has more than one child");
        return null;
    }
    Node firstChild = children.item(0);
    if (firstChild.getNodeType() != Node.TEXT_NODE) {
        System.out.println("XMLUtils: Node is not a text node");
        System.out.println(
                "XMLUtils: Node = " + firstChild.getNodeName() + ", Parent Node = " + node.getNodeName());
        return null;
    }
    String stringToReturn = firstChild.getNodeValue().trim();
    if (stringToReturn.equals("")) {
        System.out.println("XMLUtils: Trimmed string is empty");
        return null;
    } else
        return stringToReturn;
}