Example usage for org.w3c.dom Node ELEMENT

Introduction

In this page you can find the example usage for org.w3c.dom Node ELEMENT_NODE.

Prototype

short ELEMENT_NODE

To view the source code for org.w3c.dom Node ELEMENT_NODE.

Click Source Link

Document

The node is an Element.

Usage

From source file:Main.java

/**
 * Get the first child Element of the supplied node.
 *
 * @param node The DOM Node.//www  .  jav  a  2s.  com
 * @return The first child element
 */
public static Element getFirstChildElement(Node node) {
    NodeList children = node.getChildNodes();
    int childCount = children.getLength();

    for (int i = 0; i < childCount; i++) {
        Node child = children.item(i);
        if (child != null && child.getNodeType() == Node.ELEMENT_NODE) {
            return (Element) child;
        }
    }
    return null;
}

From source file:Main.java

public static void walkNodes(Node nodeIn, StringBuffer sb, String sPad) {
    if (nodeIn == null)
        return;// w ww  .  ja  v a2  s.com
    NamedNodeMap map = nodeIn.getAttributes();
    if (map != null)
        for (int i = 0; i < map.getLength(); i++) {
            Node n = map.item(i);
            if (n.getNodeType() == Node.ATTRIBUTE_NODE) {
                sb.append(sPad + "   Attribute:" + n.getNodeName() + " = " + n.getNodeValue() + '\n');
            }
        }
    NodeList nodes = nodeIn.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node n = nodes.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            sb.append(sPad + "Element: " + n.getNodeName() + '\n');
        }
        if (n.getNodeType() == Node.TEXT_NODE) {
            sb.append(sPad + "   Value: = " + n.getNodeValue() + '\n');
        }
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            walkNodes(n, sb, sPad + "   ");
        }
    }
}

From source file:Main.java

private static String getTextContent(final Node node) {
    switch (node.getNodeType()) {
    case Node.ELEMENT_NODE:
    case Node.ATTRIBUTE_NODE:
    case Node.ENTITY_NODE:
    case Node.ENTITY_REFERENCE_NODE:
    case Node.DOCUMENT_FRAGMENT_NODE:
        return mergeTextContent(node.getChildNodes());
    case Node.TEXT_NODE:
    case Node.CDATA_SECTION_NODE:
    case Node.COMMENT_NODE:
    case Node.PROCESSING_INSTRUCTION_NODE:
        return node.getNodeValue();
    case Node.DOCUMENT_NODE:
    case Node.DOCUMENT_TYPE_NODE:
    case Node.NOTATION_NODE:
    default://from w  w w  .j av a 2 s. c o  m
        return null;
    }
}

From source file:Main.java

public static List<Map<String, String>> ReadFolderItemsFromFile(String path, String filename, String folderID) {

    List<Map<String, String>> results = new ArrayList<Map<String, String>>();

    try {//from w  ww. j a  va 2  s  .  com
        File fXmlFile = new File(path, filename);
        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(fXmlFile);
        doc.getDocumentElement().normalize();

        NodeList nList = null;

        if (folderID == null) {
            // get all the children of the root
            nList = doc.getChildNodes().item(0).getChildNodes();
        } else {
            //Log.d("ReadItemsFromFile", "Current FolderID: " + folderID);

            NodeList folderList = doc.getElementsByTagName("folder");

            for (int i = 0; i < folderList.getLength(); i++) {

                Node curNode = folderList.item(i);
                if (curNode.getNodeType() == Node.ELEMENT_NODE) {
                    String curNodeId = ((Element) curNode).getElementsByTagName("id").item(0).getTextContent();
                    //Log.d("ReadItemsFromFile", "Number of items: " + curNodeId);

                    if (curNodeId.equals(folderID)) {
                        //Log.d("ReadItemsFromFile", "Found the folder");
                        NodeList folderChildren = curNode.getChildNodes();
                        for (int j = 0; j < folderChildren.getLength(); j++) {
                            //Log.d("ReadItemsFromFile", "node name: " + folderChildren.item(j).getNodeName());

                            if (folderChildren.item(j).getNodeName().equals("contents")) {
                                //Log.d("ReadItemsFromFile", "found the contents child");
                                nList = folderChildren.item(j).getChildNodes();
                                break;
                            }
                        }
                        break;
                    }
                }
            }
        }

        if (nList != null) {
            Log.d("ReadItemsFromFile", "-----------------------");
            Log.d("ReadItemsFromFile", "Number of items: " + nList.getLength());

            for (int temp = 0; temp < nList.getLength(); temp++) {

                Node nNode = nList.item(temp);
                //Log.d("ReadItemsFromFile", temp + ". node type: " + nNode.getNodeType());
                if (nNode.getNodeType() == Node.ELEMENT_NODE) {
                    Element eElement = (Element) nNode;

                    Node elementNameNode = eElement.getElementsByTagName("name").item(0);
                    String elementNameString = elementNameNode.getTextContent();
                    //Log.d("ReadItemsFromFile", "Name: " + elementNameString);
                    HashMap<String, String> mapElement = new HashMap<String, String>();
                    mapElement.put("name", elementNameString);
                    mapElement.put("id", eElement.getElementsByTagName("id").item(0).getTextContent());
                    mapElement.put("type", nNode.getNodeName());
                    results.add(mapElement);
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
    return results;

}

From source file:Main.java

/**
 * Gets the elements./*ww  w.  ja  va2  s  .  com*/
 * 
 * @param topElm
 *        the top elm
 * @return the elements
 */
public static List<Element> getElements(Element topElm) {
    List<Element> retVals = new ArrayList<Element>();
    NodeList childNodes = topElm.getChildNodes();
    for (int i = 0, ll = childNodes.getLength(); i < ll; i++) {
        Node n = childNodes.item(i);
        if (n.getNodeType() == Node.ELEMENT_NODE) {
            retVals.add((Element) n);
        }
    }
    return retVals;
}

From source file:Main.java

public static <T> Map<String, T> loadBeans(Node parent, Class<T> beanClass)
        throws IntrospectionException, InstantiationException, IllegalAccessException, IllegalArgumentException,
        DOMException, InvocationTargetException {
    Map<String, T> store = new HashMap<String, T>();

    Node node = parent.getFirstChild();
    while (node != null) {
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            String id = getId(node);
            T bean = loadBean(node, beanClass);
            store.put(id, bean);//from w w w  .j  ava2s .c o m
        }
        node = node.getNextSibling();
    }

    return store;
}

From source file:Main.java

public static void stripDuplicateAttributes(Node node, Node parent) {

    // The output depends on the type of the node
    switch (node.getNodeType()) {
    case Node.DOCUMENT_NODE: {
        Document doc = (Document) node;
        Node child = doc.getFirstChild();
        while (child != null) {
            stripDuplicateAttributes(child, node);
            child = child.getNextSibling();
        }/* www . j  a v  a 2  s  .c  om*/
        break;
    }

    case Node.ELEMENT_NODE: {
        Element elt = (Element) node;
        NamedNodeMap attrs = elt.getAttributes();

        ArrayList nodesToRemove = new ArrayList();
        int nodesToRemoveNum = 0;

        for (int i = 0; i < attrs.getLength(); i++) {
            final Node a = attrs.item(i);

            for (int j = 0; j < attrs.getLength(); j++) {
                final Node b = attrs.item(j);

                //if there are two attributes with same name
                if (i != j && (a.getNodeName().equals(b.getNodeName()))) {
                    nodesToRemove.add(b);
                    nodesToRemoveNum++;
                }
            }
        }

        for (int i = 0; i < nodesToRemoveNum; i++) {
            Attr nodeToDelete = (Attr) nodesToRemove.get(i);
            Element nodeToDeleteParent = (Element) node; // nodeToDelete.getParentNode();
            nodeToDeleteParent.removeAttributeNode(nodeToDelete);
        }

        nodesToRemove.clear();

        Node child = elt.getFirstChild();
        while (child != null) {
            stripDuplicateAttributes(child, node);
            child = child.getNextSibling();
        }

        break;
    }

    default:
        //do nothing
        break;
    }
}

From source file:Main.java

/**
 * Checks if is element exists by tag name.
 * @param element the element//w ww. j a  va2 s  . co  m
 * @param tagName the tag name
 * @return true, if is element exists by tag name
 */
public static boolean isElementExistsByTagName(final Element element, final String tagName) {

    if (element == null || tagName == null || tagName.isEmpty()) {
        return false;
    }

    // Extract all children on element
    final NodeList res = element.getChildNodes();

    for (int i = 0; i < res.getLength(); i++) {

        final Node node = res.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {

            final Element elem = (Element) node;

            // Check matching with tagname expected
            if (elem.getTagName().equals(tagName)) {
                return true;
            }
        }
    }

    return false;
}

From source file:Main.java

/** Prints the specified node, recursively.
 *
 *  @param node Node to be printed/*from w  w  w  .  j  ava2 s  . com*/
 */
public static void print(Node node) {
    // is there anything to do?
    if (node == null) {
        return;
    }
    System.out.println("");

    int type = node.getNodeType();
    switch (type) {
    // print document
    case Node.DOCUMENT_NODE: {
        /*
        if (!canonical) {
          if (Encoding.equalsIgnoreCase("DEFAULT"))
        Encoding = "UTF-8";
          else if(Encoding.equalsIgnoreCase("Unicode"))
        Encoding = "UTF-16";
          else 
        Encoding = MIME2Java.reverse(Encoding);
        out.println("<?xml version=\"1.0\" encoding=\"" +
          Encoding + "\"?>");
        }
         */
        print(((Document) node).getDocumentElement());
        out.flush();
        break;
    }
    // print element with attributes
    case Node.ELEMENT_NODE: {
        out.print('<');
        out.print(node.getNodeName());
        Attr attrs[] = sortAttributes(node.getAttributes());
        for (int i = 0; i < attrs.length; i++) {
            Attr attr = attrs[i];
            out.print(' ');
            out.print(attr.getNodeName());
            out.print("=\"");
            out.print(normalize(attr.getNodeValue()));
            out.print('"');
        }
        out.print('>');
        NodeList children = node.getChildNodes();
        if (children != null) {
            int len = children.getLength();
            for (int i = 0; i < len; i++) {
                print(children.item(i));
            }
        }
        break;
    }
    // handle entity reference nodes
    case Node.ENTITY_REFERENCE_NODE: {
        if (canonical) {
            NodeList children = node.getChildNodes();
            if (children != null) {
                int len = children.getLength();
                for (int i = 0; i < len; i++) {
                    print(children.item(i));
                }
            }
        } else {
            out.print('&');
            out.print(node.getNodeName());
            out.print(';');
        }
        break;
    }
    // print cdata sections
    case Node.CDATA_SECTION_NODE: {
        if (canonical) {
            out.print(normalize(node.getNodeValue()));
        } else {
            out.print("<![CDATA[");
            out.print(node.getNodeValue());
            out.print("]]>");
        }
        break;
    }
    // print DocumentType sections
    case Node.DOCUMENT_TYPE_NODE: {
        out.print("<!DOCTYPE ");
        out.print(((DocumentType) node).getName());
        out.print(" SYSTEM ");
        out.print(((DocumentType) node).getSystemId());
        out.print(">");
        break;
    }
    // print text
    case Node.TEXT_NODE: {
        out.print(normalize(node.getNodeValue()));
        break;
    }
    // print processing instruction
    case Node.PROCESSING_INSTRUCTION_NODE: {
        out.print("<?");
        out.print(node.getNodeName());
        String data = node.getNodeValue();
        if (data != null && data.length() > 0) {
            out.print(' ');
            out.print(data);
        }
        out.print("?>");
        break;
    }
    }
    if (type == Node.ELEMENT_NODE) {
        out.print("</");
        out.print(node.getNodeName());
        out.print('>');
    }
    out.flush();
}

From source file:Main.java

/**
 * Used for debuging//from   w  w  w .  j a  v  a2s  . c o m
 * 
 * @param parent
 *            Element
 * @param out
 *            PrintStream
 * @param deep
 *            boolean
 * @param prefix
 *            String
 */
public static void printChildElements(Element parent, PrintStream out, boolean deep, String prefix) {
    out.print(prefix + "<" + parent.getNodeName());
    NamedNodeMap attrs = parent.getAttributes();
    Node node;
    for (int i = 0; i < attrs.getLength(); i++) {
        node = attrs.item(i);
        out.print(" " + node.getNodeName() + "=\"" + node.getNodeValue() + "\"");
    }
    out.println(">");

    // String data = getElementTextValueDeprecated(parent);
    String data = parent.getNodeValue();
    if (data != null && data.trim().length() > 0) {
        out.println(prefix + "\t" + data);
    }

    data = getElementCDataValue(parent);
    if (data != null && data.trim().length() > 0) {
        out.println(prefix + "\t<![CDATA[" + data + "]]>");
    }

    NodeList nodes = parent.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        node = nodes.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            if (deep) {
                printChildElements((Element) node, out, deep, prefix + "\t");
            } else {
                out.println(prefix + node.getNodeName());
            }
        }
    }

    out.println(prefix + "</" + parent.getNodeName() + ">");
}

Example usage for org.w3c.dom Node ELEMENT_NODE

Introduction

Prototype

Document

Usage