Example usage for org.w3c.dom NamedNodeMap 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:XmlUtil.java

/**
* Returns attribute value of a node or <code>null</code> if attribute name not found.
* Specified attribute is searched on every call.
* Consider {@link #getAllAttributes(org.w3c.dom.Node)} for better performances.
*//*from   w w  w  .j  av a 2s  .c  o m*/
public static String getAttributeValue(Node node, String attrName) {
    NamedNodeMap nmm = node.getAttributes();
    for (int j = 0; j < nmm.getLength(); j++) {
        Node attribute = nmm.item(j);
        if (attribute.getNodeType() != Node.ATTRIBUTE_NODE) {
            continue;
        }
        String nodeName = attribute.getNodeName();
        if (nodeName.equals(attrName)) {
            return attribute.getNodeValue();
        }
    }
    return null;
}

---

From source file:Main.java

@SuppressWarnings("null")
public static void copyInto(Node src, Node dest) throws DOMException {

    Document factory = dest.getOwnerDocument();

    //Node start = src;
    Node parent = null;/*from w  w w. j a  va  2s .c  om*/
    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()) {
                 ((Attr) 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;
        } else if (parent == null) {
            place = null;
        } else {
            // advance
            place = place.getNextSibling();
            while (place == null && parent != null && dest != null) {
                place = parent.getNextSibling();
                parent = parent.getParentNode();
                dest = dest.getParentNode();
            }
        }

    }

}

---

From source file:Main.java

public static String logElement(final Element elem, final int level) {

    String estr = "";
    String indentText = "  ";
    String addIndT = "";

    // add indent
    int ind = 0;/*from  w w  w  .j ava2 s .c o  m*/
    while (ind < level) {
        addIndT = addIndT + indentText;
        ind++;

    }
    String name = elem.getNodeName();
    estr = "\n" + addIndT + "<" + name + " ";
    // Attribs
    NamedNodeMap namedNodeMap = elem.getAttributes();
    StringBuilder sb = new StringBuilder(estr);
    for (int i = 0; i < namedNodeMap.getLength(); i++) {
        Attr att = (Attr) namedNodeMap.item(i);
        sb.append(" " + estr + att.getName() + "=\"" + att.getNodeValue() + "\" ");
    }
    sb.append(">");
    estr = sb.toString();
    NodeList pl = elem.getChildNodes();
    int index = pl.getLength();
    // text nodes
    if (index > 0) {
        int i = 0;
        while (i < index) {
            Node domNode = pl.item(i);
            if ((domNode.getNodeType()) == org.w3c.dom.Node.TEXT_NODE) {
                String Etext = domNode.getNodeValue();
                estr = estr + "\n " + addIndT + addIndT + Etext;
            }
            i++;
        }
    }
    // Child Elements
    if (index > 0) {
        int i = 0;
        while (i < index) {
            Node domNode = pl.item(i);
            if ((domNode.getNodeType()) == org.w3c.dom.Node.ELEMENT_NODE) {
                Element el = (Element) domNode;
                estr = estr + logElement(el, level + 1);
            }
            i++;
        }
    }
    estr = estr + "\n" + addIndT + "</" + name + ">";

    return estr;
}

---

From source file:Main.java

/**
 * Whenever you'd need to print a configuration node and/or its children.
 *
 * @param root the root node to print.//  www  . j a  v  a 2s.  com
 * @param out the print stream that should be used to outpu
 * @param recurse boolean
 * @param prefix String
 */
public static void printChildElements(Element root, PrintStream out, boolean recurse, String prefix) {
    out.print(prefix + "<" + root.getNodeName());
    NamedNodeMap attrs = root.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 = getText(root);
    if (data != null && data.trim().length() > 0)
        out.println(prefix + "\t" + data);

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

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

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

---

From source file:Main.java

public static String logElement(Element El, int level) {

    String Es = "";
    String indentText = "  ";
    String addIndT = "";

    // add indent
    int ind = 0;//from   w ww.  j  a va  2  s  .  c  om
    while (ind < level) {
        addIndT = addIndT + indentText;
        ind++;

    }
    String name = El.getNodeName();
    Es = "\n" + addIndT + "<" + name + " ";
    // Attribs
    NamedNodeMap namedNodeMap = El.getAttributes();
    StringBuilder sb = new StringBuilder(Es);
    for (int i = 0; i < namedNodeMap.getLength(); i++) {
        Attr att = (Attr) namedNodeMap.item(i);
        sb.append(" " + Es + att.getName() + "=\"" + att.getNodeValue() + "\" ");
        // Es = " " + Es + att.getName() + "=\"" + att.getNodeValue() +
        // "\" ";
    }
    sb.append(">");
    // Es = Es + ">";
    Es = sb.toString();
    NodeList pl = El.getChildNodes();
    int index = pl.getLength();
    // text nodes
    if (index > 0) {
        int i = 0;
        while (i < index) {
            Node DomNode = pl.item(i);
            if ((DomNode.getNodeType()) == org.w3c.dom.Node.TEXT_NODE) {
                String Etext = DomNode.getNodeValue();
                Es = Es + "\n " + addIndT + addIndT + Etext;
            }
            i++;
        }
    }
    // Child Elements
    if (index > 0) {
        level++;
        int i = 0;
        while (i < index) {
            Node DomNode = pl.item(i);
            if ((DomNode.getNodeType()) == org.w3c.dom.Node.ELEMENT_NODE) {
                Element el = (Element) DomNode;
                Es = Es + logElement(el, level);
            }
            i++;
        }
    }
    Es = Es + "\n" + addIndT + "</" + name + ">";

    return Es;
}

---

From source file:Main.java

public static List<Node> listize(final NamedNodeMap nnm) {
    return new AbstractList<Node>() {
        public Node get(int i) {
            return nnm.item(i);
        }//from   ww  w .j  av a  2  s.com

        public int size() {
            return nnm.getLength();
        }

    };
}

---

From source file:Main.java

public static void copyInto(Node src, Node dest) throws DOMException {

    Document factory = dest.getOwnerDocument();

    //Node start = src;
    Node parent = null;//  w w  w  .  j av  a2  s.  c  o m
    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);
            }
            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 + " (" + place.getNodeName() + ')');
        }
        }
        dest.appendChild(node);

        // iterate over children
        if (place.hasChildNodes()) {
            parent = place;
            place = place.getFirstChild();
            dest = node;
        } else if (parent == null) {
            place = null;
        } else {
            // advance
            place = place.getNextSibling();
            while (place == null && parent != null) {
                place = parent.getNextSibling();
                parent = parent.getParentNode();
                dest = dest.getParentNode();
            }
        }

    }

}

---

From source file:Main.java

/**
 * Copy elements from one document to another attaching at the specified
 * element and translating the namespace.
 *
 * @param from         copy the children of this element (exclusive)
 * @param to           where to attach the copied elements
 * @param newNamespace destination namespace
 *
 * @since 8.4/*w  w w  .j  a v a  2  s  .c o m*/
 */
public static void copyDocument(Element from, Element to, String newNamespace) {
    Document doc = to.getOwnerDocument();
    NodeList nl = from.getChildNodes();
    int length = nl.getLength();
    for (int i = 0; i < length; i++) {
        Node node = nl.item(i);
        Node newNode = null;
        if (Node.ELEMENT_NODE == node.getNodeType()) {
            Element oldElement = (Element) node;
            newNode = doc.createElementNS(newNamespace, oldElement.getTagName());
            NamedNodeMap m = oldElement.getAttributes();
            Element newElement = (Element) newNode;
            for (int index = 0; index < m.getLength(); index++) {
                Node attr = m.item(index);
                newElement.setAttribute(attr.getNodeName(), attr.getNodeValue());
            }
            copyDocument(oldElement, newElement, newNamespace);
        } else {
            newNode = node.cloneNode(true);
            newNode = to.getOwnerDocument().importNode(newNode, true);
        }
        if (newNode != null) {
            to.appendChild(newNode);
        }
    }
}

---

From source file:Main.java

/** Prints the specified node, then prints all of its children. */

public static void printDOM(Node node) {

    int type = node.getNodeType();

    switch (type) {

    // print the document element
    case Node.DOCUMENT_NODE: {
        System.out.print("<?xml version=\"1.0\" ?>");
        printDOM(((Document) node).getDocumentElement());
        break;// w  w  w .  j  a  v  a  2s  .  c o m
    }

    // print element with attributes
    case Node.ELEMENT_NODE: {
        System.out.println();
        System.out.print("<");
        System.out.print(node.getNodeName());
        NamedNodeMap attrs = node.getAttributes();
        for (int i = 0; i < attrs.getLength(); i++) {
            Node attr = attrs.item(i);
            System.out.print(" " + attr.getNodeName().trim() + "=\"" + attr.getNodeValue().trim() + "\"");
        }
        System.out.print(">");
        NodeList children = node.getChildNodes();

        if (children != null) {
            int len = children.getLength();
            for (int i = 0; i < len; i++)
                printDOM(children.item(i));
        }
        break;
    }

    // handle entity reference nodes

    case Node.ENTITY_REFERENCE_NODE: {
        System.out.print("&");
        System.out.print(node.getNodeName().trim());
        System.out.print(";");
        break;
    }

    // print cdata sections
    case Node.CDATA_SECTION_NODE: {
        System.out.print("<![CDATA[");
        System.out.print(node.getNodeValue().trim());
        System.out.print("]]>");
        break;
    }

    // print text
    case Node.TEXT_NODE: {
        System.out.println();
        System.out.print(node.getNodeValue().trim());
        break;
    }

    // print processing instruction

    case Node.PROCESSING_INSTRUCTION_NODE: {
        System.out.print("<?");
        System.out.print(node.getNodeName().trim());
        String data = node.getNodeValue().trim();
        {
            System.out.print(" ");
            System.out.print(data);
        }
        System.out.print("?>");
        break;
    }
    }

    if (type == Node.ELEMENT_NODE) {
        System.out.println();
        System.out.print("</");
        System.out.print(node.getNodeName().trim());
        System.out.print('>');
    }
}

---

From source file:Main.java

/**
 * Searches throgh the passed NamedNodeMap for an attribute and returns it if it is found.
 * If it is not found, returns a null.//from  ww  w  .j  ava2s .  c o  m
 * @param nnm NamedNodeMap
 * @param name String
 * @return String
 */
public static String getAttributeValueByName(NamedNodeMap nnm, String name) {
    if (nnm == null)
        return null;
    for (int i = 0; i < nnm.getLength(); i++) {
        Attr attr = (Attr) nnm.item(i);
        if (attr.getName().equalsIgnoreCase(name)) {
            return attr.getValue();
        }
    }
    return null;
}

---

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