Example usage for org.w3c.dom NamedNodeMap getLength

List of usage examples for org.w3c.dom NamedNodeMap getLength

  1. HOME
  2. Java
  3. org.w3c
  4. org.w3c.dom.*
  5. NamedNodeMap
  6. getLength

Introduction

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

Prototype

public int getLength();

Source Link

Document

The number of nodes in this map.

Usage

From source file:Main.java

protected static String nodeToString(Node node, Set<String> parentPrefixes, String namespaceURI)
        throws Exception {
    StringBuilder b = new StringBuilder();

    if (node == null) {
        return "";
    }/*from   www  .  j  av a 2 s  .co  m*/

    if (node instanceof Element) {
        Element element = (Element) node;
        b.append("<");
        b.append(element.getNodeName());

        Map<String, String> thisLevelPrefixes = new HashMap();
        if (element.getPrefix() != null && !parentPrefixes.contains(element.getPrefix())) {
            thisLevelPrefixes.put(element.getPrefix(), element.getNamespaceURI());
        }

        if (element.hasAttributes()) {
            NamedNodeMap map = element.getAttributes();
            for (int i = 0; i < map.getLength(); i++) {
                Node attr = map.item(i);
                if (attr.getNodeName().startsWith("xmlns"))
                    continue;
                if (attr.getPrefix() != null && !parentPrefixes.contains(attr.getPrefix())) {
                    thisLevelPrefixes.put(attr.getPrefix(), element.getNamespaceURI());
                }
                b.append(" ");
                b.append(attr.getNodeName());
                b.append("=\"");
                b.append(attr.getNodeValue());
                b.append("\"");
            }
        }

        if (namespaceURI != null && !thisLevelPrefixes.containsValue(namespaceURI)
                && !namespaceURI.equals(element.getParentNode().getNamespaceURI())) {
            b.append(" xmlns=\"").append(namespaceURI).append("\"");
        }

        for (Map.Entry<String, String> entry : thisLevelPrefixes.entrySet()) {
            b.append(" xmlns:").append(entry.getKey()).append("=\"").append(entry.getValue()).append("\"");
            parentPrefixes.add(entry.getKey());
        }

        NodeList children = element.getChildNodes();
        boolean hasOnlyAttributes = true;
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() != Node.ATTRIBUTE_NODE) {
                hasOnlyAttributes = false;
                break;
            }
        }
        if (!hasOnlyAttributes) {
            b.append(">");
            for (int i = 0; i < children.getLength(); i++) {
                b.append(nodeToString(children.item(i), parentPrefixes, children.item(i).getNamespaceURI()));
            }
            b.append("</");
            b.append(element.getNodeName());
            b.append(">");
        } else {
            b.append("/>");
        }

        for (String thisLevelPrefix : thisLevelPrefixes.keySet()) {
            parentPrefixes.remove(thisLevelPrefix);
        }

    } else if (node.getNodeValue() != null) {
        b.append(encodeText(node.getNodeValue()));
    }

    return b.toString();
}

From source file:de.mpg.imeji.presentation.metadata.extractors.BasicExtractor.java

static void displayMetadata(List<String> techMd, Node node, int level) {
    StringBuffer sb = new StringBuffer();
    // print open tag of element
    indent(techMd, sb, level);/*from  w ww  .  j  a v a  2  s .c  om*/
    sb.append("<" + node.getNodeName());
    NamedNodeMap map = node.getAttributes();
    if (map != null) {
        // print attribute values
        int length = map.getLength();
        for (int i = 0; i < length; i++) {
            Node attr = map.item(i);
            sb.append(" " + attr.getNodeName() + "=\"" + attr.getNodeValue() + "\"");
        }
    }
    Node child = node.getFirstChild();
    if (child == null) {
        // no children, so close element and return
        sb.append("/>");
        techMd.add(sb.toString());
        sb.delete(0, sb.length());
        return;
    }
    // children, so close current tag
    sb.append(">");
    techMd.add(sb.toString());
    sb.delete(0, sb.length());
    while (child != null) {
        // print children recursively
        displayMetadata(techMd, child, level + 1);
        child = child.getNextSibling();
    }
    // print close tag of element
    indent(techMd, sb, level);
    sb.append("</" + node.getNodeName() + ">");
    techMd.add(sb.toString());
    sb.delete(0, sb.length());
}

From source file:Main.java

protected static String nodeToString(Node node, Set<String> parentPrefixes, String namespaceURI)
        throws Exception {
    StringBuilder b = new StringBuilder();

    if (node == null) {
        return "";
    }// w w w.  j a  va 2s  .  c  om

    if (node instanceof Element) {
        Element element = (Element) node;
        b.append("<");
        b.append(element.getNodeName());

        Map<String, String> thisLevelPrefixes = new HashMap();
        if (element.getPrefix() != null && !parentPrefixes.contains(element.getPrefix())) {
            thisLevelPrefixes.put(element.getPrefix(), element.getNamespaceURI());
        }

        if (element.hasAttributes()) {
            NamedNodeMap map = element.getAttributes();
            for (int i = 0; i < map.getLength(); i++) {
                Node attr = map.item(i);
                if (attr.getNodeName().startsWith("xmlns"))
                    continue;
                if (attr.getPrefix() != null && !parentPrefixes.contains(attr.getPrefix())) {
                    thisLevelPrefixes.put(attr.getPrefix(), element.getNamespaceURI());
                }
                b.append(" ");
                b.append(attr.getNodeName());
                b.append("=\"");
                b.append(attr.getNodeValue());
                b.append("\"");
            }
        }

        if (namespaceURI != null && !thisLevelPrefixes.containsValue(namespaceURI)
                && !namespaceURI.equals(element.getParentNode().getNamespaceURI())) {
            b.append(" xmlns=\"").append(namespaceURI).append("\"");
        }

        for (Map.Entry<String, String> entry : thisLevelPrefixes.entrySet()) {
            b.append(" xmlns:").append(entry.getKey()).append("=\"").append(entry.getValue()).append("\"");
            parentPrefixes.add(entry.getKey());
        }

        NodeList children = element.getChildNodes();
        boolean hasOnlyAttributes = true;
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() != Node.ATTRIBUTE_NODE) {
                hasOnlyAttributes = false;
                break;
            }
        }
        if (!hasOnlyAttributes) {
            b.append(">");
            for (int i = 0; i < children.getLength(); i++) {
                b.append(nodeToString(children.item(i), parentPrefixes, children.item(i).getNamespaceURI()));
            }
            b.append("</");
            b.append(element.getNodeName());
            b.append(">");
        } else {
            b.append("/>");
        }

        for (String thisLevelPrefix : thisLevelPrefixes.keySet()) {
            parentPrefixes.remove(thisLevelPrefix);
        }

    } else if (node.getNodeValue() != null) {
        b.append(encodeText(node.getNodeValue(), node instanceof Attr));
    }

    return b.toString();
}

From source file:Main.java

protected static String nodeToString(Node node, Set<String> parentPrefixes, String namespaceURI)
        throws Exception {
    StringBuilder b = new StringBuilder();

    if (node == null) {
        return "";
    }//from   w w w . ja v  a 2  s. c om

    if (node instanceof Element) {
        Element element = (Element) node;
        b.append("<");
        b.append(element.getNodeName());

        Map<String, String> thisLevelPrefixes = new HashMap();
        if (element.getPrefix() != null && !parentPrefixes.contains(element.getPrefix())) {
            thisLevelPrefixes.put(element.getPrefix(), element.getNamespaceURI());
        }

        if (element.hasAttributes()) {
            NamedNodeMap map = element.getAttributes();
            for (int i = 0; i < map.getLength(); i++) {
                Node attr = map.item(i);
                if (attr.getNodeName().startsWith("xmlns"))
                    continue;
                if (attr.getPrefix() != null && !parentPrefixes.contains(attr.getPrefix())) {
                    thisLevelPrefixes.put(attr.getPrefix(), element.getNamespaceURI());
                }
                b.append(" ");
                b.append(attr.getNodeName());
                b.append("=\"");
                b.append(attr.getNodeValue());
                b.append("\"");
            }
        }

        if (namespaceURI != null && !thisLevelPrefixes.containsValue(namespaceURI)
                && !namespaceURI.equals(element.getParentNode().getNamespaceURI())) {
            b.append(" xmlns=\"").append(namespaceURI).append("\"");
        }

        for (Map.Entry<String, String> entry : thisLevelPrefixes.entrySet()) {
            b.append(" xmlns:").append(entry.getKey()).append("=\"").append(entry.getValue()).append("\"");
            parentPrefixes.add(entry.getKey());
        }

        NodeList children = element.getChildNodes();
        boolean hasOnlyAttributes = true;
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() != Node.ATTRIBUTE_NODE) {
                hasOnlyAttributes = false;
                break;
            }
        }
        if (!hasOnlyAttributes) {
            b.append(">");
            for (int i = 0; i < children.getLength(); i++) {
                b.append(nodeToString(children.item(i), parentPrefixes, children.item(i).getNamespaceURI()));
            }
            b.append("</");
            b.append(element.getNodeName());
            b.append(">");
        } else {
            b.append("/>");
        }

        for (String thisLevelPrefix : thisLevelPrefixes.keySet()) {
            parentPrefixes.remove(thisLevelPrefix);
        }

    } else if (node.getNodeValue() != null) {

        b.append(encodeText(node.getNodeValue()));
    }

    return b.toString();
}

From source file:Main.java

/**
 * Copies the source tree into the specified place in a destination
 * tree. The source node and its children are appended as children
 * of the destination node.//  w  w w.ja  v  a2 s .  co  m
 * <p>
 * <em>Note:</em> This is an iterative implementation.
 */
public static void copyInto(Node src, Node dest) throws DOMException {

    // get node factory
    Document factory = dest.getOwnerDocument();
    boolean domimpl = factory instanceof DocumentImpl;

    // placement variables
    Node start = src;
    Node parent = src;
    Node place = src;

    // traverse source tree
    while (place != null) {

        // copy this node
        Node node = null;
        int type = place.getNodeType();
        switch (type) {
        case Node.CDATA_SECTION_NODE: {
            node = factory.createCDATASection(place.getNodeValue());
            break;
        }
        case Node.COMMENT_NODE: {
            node = factory.createComment(place.getNodeValue());
            break;
        }
        case Node.ELEMENT_NODE: {
            Element element = factory.createElement(place.getNodeName());
            node = element;
            NamedNodeMap attrs = place.getAttributes();
            int attrCount = attrs.getLength();
            for (int i = 0; i < attrCount; i++) {
                Attr attr = (Attr) attrs.item(i);
                String attrName = attr.getNodeName();
                String attrValue = attr.getNodeValue();
                element.setAttribute(attrName, attrValue);
                if (domimpl && !attr.getSpecified()) {
                    ((AttrImpl) element.getAttributeNode(attrName)).setSpecified(false);
                }
            }
            break;
        }
        case Node.ENTITY_REFERENCE_NODE: {
            node = factory.createEntityReference(place.getNodeName());
            break;
        }
        case Node.PROCESSING_INSTRUCTION_NODE: {
            node = factory.createProcessingInstruction(place.getNodeName(), place.getNodeValue());
            break;
        }
        case Node.TEXT_NODE: {
            node = factory.createTextNode(place.getNodeValue());
            break;
        }
        default: {
            throw new IllegalArgumentException(
                    "can't copy node type, " + type + " (" + node.getNodeName() + ')');
        }
        }
        dest.appendChild(node);

        // iterate over children
        if (place.hasChildNodes()) {
            parent = place;
            place = place.getFirstChild();
            dest = node;
        }

        // advance
        else {
            place = place.getNextSibling();
            while (place == null && parent != start) {
                place = parent.getNextSibling();
                parent = parent.getParentNode();
                dest = dest.getParentNode();
            }
        }

    }

}

From source file:Main.java

/**
 * @param n1 first Node to test/*  w  w w . j  ava 2  s.  c om*/
 * @param n2 second Node to test
 * @return true if a deep compare show the same children and attributes in
 * the same order
 */
public static boolean equals(Node n1, Node n2) {
    // compare type
    if (!n1.getNodeName().equals(n2.getNodeName())) {
        return false;
    }
    // compare attributes
    NamedNodeMap nnm1 = n1.getAttributes();
    NamedNodeMap nnm2 = n2.getAttributes();
    if (nnm1.getLength() != nnm2.getLength()) {
        return false;
    }
    for (int i = 0; i < nnm1.getLength(); i++) {
        Node attr1 = nnm1.item(i);
        if (!getAttribute(n1, attr1.getNodeName()).equals(getAttribute(n2, attr1.getNodeName()))) {
            return false;
        }
    }
    // compare children
    Node c1 = n1.getFirstChild();
    Node c2 = n2.getFirstChild();
    for (;;) {
        while ((c1 != null) && c1.getNodeName().startsWith("#")) {
            c1 = c1.getNextSibling();
        }
        while ((c2 != null) && c2.getNodeName().startsWith("#")) {
            c2 = c2.getNextSibling();
        }
        if ((c1 == null) && (c2 == null)) {
            break;
        }
        if ((c1 == null) || (c2 == null)) {
            return false;
        }
        if (!equals(c1, c2)) {
            return false;
        }
        c1 = c1.getNextSibling();
        c2 = c2.getNextSibling();
    }
    return true;
}

From source file:Main.java

public static void getAttributes(Node p_node, HashMap<String, String> p_map) throws Exception {

    NamedNodeMap l_nnm = null;
    Node l_n = null;/*from   w ww  . j av a2s. co  m*/
    String l_an = null;
    String l_av = null;

    l_nnm = p_node.getAttributes();
    if (l_nnm != null) {
        for (int l_i = 0; l_i < l_nnm.getLength(); l_i++) {
            l_n = l_nnm.item(l_i);
            l_an = l_n.getNodeName();
            l_av = l_n.getNodeValue();
            p_map.put(l_an, l_av);
        }
    }

}

From source file:Main.java

protected static String nodeToString(Node node, Set<String> parentPrefixes, String namespaceURI)
        throws Exception {
    StringBuilder b = new StringBuilder();

    if (node == null) {
        return "";
    }/*  ww w .  java2 s  .  c  om*/

    if (node instanceof Element) {
        Element element = (Element) node;
        b.append("<");
        b.append(element.getNodeName());

        Map<String, String> thisLevelPrefixes = new HashMap();
        if (element.getPrefix() != null && !parentPrefixes.contains(element.getPrefix())) {
            thisLevelPrefixes.put(element.getPrefix(), element.getNamespaceURI());
        }

        if (element.hasAttributes()) {
            NamedNodeMap map = element.getAttributes();
            for (int i = 0; i < map.getLength(); i++) {
                Node attr = map.item(i);
                if (attr.getNodeName().startsWith("xmlns"))
                    continue;
                if (attr.getPrefix() != null && !parentPrefixes.contains(attr.getPrefix())) {
                    thisLevelPrefixes.put(attr.getPrefix(), element.getNamespaceURI());
                }
                b.append(" ");
                b.append(attr.getNodeName());
                b.append("=\"");
                b.append(attr.getNodeValue());
                b.append("\"");
            }
        }

        if (namespaceURI != null && !thisLevelPrefixes.containsValue(namespaceURI)
                && !namespaceURI.equals(element.getParentNode().getNamespaceURI())) {
            b.append(" xmlns=\"").append(namespaceURI).append("\"");
        }

        for (Map.Entry<String, String> entry : thisLevelPrefixes.entrySet()) {
            b.append(" xmlns:").append(entry.getKey()).append("=\"").append(entry.getValue()).append("\"");
            parentPrefixes.add(entry.getKey());
        }

        NodeList children = element.getChildNodes();
        boolean hasOnlyAttributes = true;
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() != Node.ATTRIBUTE_NODE) {
                hasOnlyAttributes = false;
                break;
            }
        }
        if (!hasOnlyAttributes) {
            b.append(">");
            for (int i = 0; i < children.getLength(); i++) {
                b.append(nodeToString(children.item(i), parentPrefixes, children.item(i).getNamespaceURI()));
            }
            b.append("</");
            b.append(element.getNodeName());
            b.append(">");
        } else {
            b.append("/>");
        }

        for (String thisLevelPrefix : thisLevelPrefixes.keySet()) {
            parentPrefixes.remove(thisLevelPrefix);
        }

    } else if (node.getNodeValue() != null) {
        b.append(encodeText(node, node.getNodeValue()));
    }

    return b.toString();
}

From source file:Main.java

/**
 * Serializes the DOM-tree to a stringBuffer. Recursive method!
 *
 * @param node Node to start examining the tree from.
 * @param writeString The StringBuffer you want to fill with xml.
 * @return The StringBuffer containing the xml.
 * //from  w w w  .  j a  va  2  s . c  om
 * @since 2002-12-12
 * @author Mattias Bogeblad
 */

public static StringBuffer serializeDom(Node node, StringBuffer writeString) {
    int type = node.getNodeType();
    try {
        switch (type) {
        // print the document element
        case Node.DOCUMENT_NODE: {
            writeString.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
            writeString = serializeDom(((Document) node).getDocumentElement(), writeString);
            break;
        }
        // print element with attributes
        case Node.ELEMENT_NODE: {
            writeString.append("<");
            writeString.append(node.getNodeName());
            NamedNodeMap attrs = node.getAttributes();
            for (int i = 0; i < attrs.getLength(); i++) {
                Node attr = attrs.item(i);
                String outString = " " + attr.getNodeName() + "=\""
                        + replaceSpecialCharacters(attr.getNodeValue()) + "\"";
                writeString.append(outString);
            }
            writeString.append(">");
            NodeList children = node.getChildNodes();
            if (children != null) {
                int len = children.getLength();
                for (int i = 0; i < len; i++)
                    writeString = serializeDom(children.item(i), writeString);
            }
            break;
        }
        // handle entity reference nodes
        case Node.ENTITY_REFERENCE_NODE: {
            String outString = "&" + node.getNodeName() + ";";
            writeString.append(outString);
            break;
        }
        // print cdata sections
        case Node.CDATA_SECTION_NODE: {
            String outString = "<![CDATA[" + node.getNodeValue() + "]]>";
            writeString.append(outString);
            break;
        }
        // print text
        case Node.TEXT_NODE: {
            writeString.append(replaceSpecialCharacters(node.getNodeValue()));
            break;
        }
        // print processing instruction
        case Node.PROCESSING_INSTRUCTION_NODE: {
            String data = node.getNodeValue();
            String outString = "<?" + node.getNodeName() + " " + data + "?>";
            writeString.append(outString);
            break;
        }
        }
        if (type == Node.ELEMENT_NODE) {
            String outString = "</" + node.getNodeName() + ">";
            writeString.append(outString);
        }
    } catch (Exception e) {

    }
    return writeString;
}

From source file:Main.java

/**
 * Sarches for ressources that have to be downloaded and creates a list with all download links.
 *
 * @param node to check for download links
 * @return list with all found download links
 *//*  w w  w. j  a  va  2 s. c  o m*/
private static ArrayList<String> findUrls(Node node) {

    int type = node.getNodeType();
    ArrayList<String> result = new ArrayList<>();
    String temp = null;
    NamedNodeMap atts = node.getAttributes();
    Log.i(TAG, "parsing for ressources.  node: " + node.getNodeName() + " value: " + node.getNodeValue()
            + " atts length: " + atts.getLength() + "type: " + type);
    switch (type) {
    //Element
    case Node.ELEMENT_NODE:
        //TODO: This method is stupid. It just looks for
        // attributes named ressourcepath. What if we have to download several ressources?

        for (int j = 0; j < atts.getLength(); j++) {
            Log.i(TAG, "atts: " + atts.item(j).getNodeName() + " value: " + atts.item(j).getNodeValue());
            temp = atts.item(j).getNodeValue();

            if (temp != null) {
                result.add(temp);
                Log.i(TAG, "added path: " + temp);
            }

            Log.i(TAG, "parent node:" + node.getParentNode().getNodeName());
            Element parent = (Element) node.getParentNode();
            parent.setAttribute("TESTITEST", "dllink");

        }
        // get the pages, means the children
        for (Node child = node.getFirstChild(); child != null; child = child.getNextSibling()) {
            ArrayList<String> childres = findUrls(child);
            if (childres.size() > 0) {
                result.addAll(childres);
            }
        }
        break;
    }
    return result;
}