Example usage for org.w3c.dom Node getNodeName

Introduction

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

Prototype

public String getNodeName();

Source Link

Document

The name of this node, depending on its type; see the table above.

Usage

From source file:Main.java

/**
 * Get all immediate element children with the given name. This differs from {@link
 * org.w3c.dom.Element#getElementsByTagName getElementsByTagName} in that this only returns
 * direct children, not all descendents.
 *
 * @param parent    the parent node//from  w w w . j av  a  2  s  .c  om
 * @param childName the name of the children elements to get; may be null or "*" to indicate all
 *                  element children
 * @return the list of children; may be empty
 */
public static NodeList getChildren(Element parent, String childName) {
    final NodeList children = parent.getChildNodes();
    final String filter = (childName != null && !childName.equals("*")) ? childName : null;

    return new NodeList() {
        private List elems;

        {
            elems = new ArrayList();
            for (int idx = 0; idx < children.getLength(); idx++) {
                Node n = children.item(idx);
                if (n.getNodeType() == Node.ELEMENT_NODE && (filter == null || n.getNodeName().equals(filter)))
                    elems.add(n);
            }
        }

        public Node item(int index) {
            return (Node) elems.get(index);
        }

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

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From source file:Main.java

/**
 * Returns a list of elements having a given tag
 *//*from  ww  w  . ja  v a  2s.c om*/
public static List<Element> getElements(Element element, String tagName) {
    Node node = element.getFirstChild();
    List<Element> elements = new ArrayList<Element>();

    while (node != null) {
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().compareTo(tagName) == 0)
            elements.add((Element) node);

        node = node.getNextSibling();
    }

    return elements;
}

---

From source file:Main.java

/**
 * Access all immediate child elements inside the given Element
 *
 * @param element the starting element, cannot be null.
 * @param elemName the name of the child element to look for, cannot be
 * null.//from  ww w. j  a v  a2  s . co  m
 * @return array of all immediate child element inside element, or
 * an array of size zero if no child elements are found.
 */
public static Element[] getChildElements(Element element, String elemName) {
    NodeList list = element.getChildNodes();
    int len = list.getLength();
    ArrayList<Node> array = new ArrayList<Node>(len);

    for (int i = 0; i < len; i++) {
        Node n = list.item(i);

        if (n.getNodeType() == Node.ELEMENT_NODE) {
            if (elemName.equals(n.getNodeName())) {
                array.add(n);
            }
        }
    }
    Element[] elems = new Element[array.size()];

    return (Element[]) array.toArray(elems);
}

---

From source file:Main.java

public static String getAttrsAsString(Node node) {

    if (node == null)
        return "";

    NamedNodeMap attrs = node.getAttributes();
    StringBuilder val = new StringBuilder();

    if (attrs != null) {
        for (int i = 0; i < attrs.getLength(); i++) {
            Node nval = attrs.item(i);

            if (nval != null) {
                if (i > 0)
                    val.append(", ");

                val.append(nval.getNodeName()).append("=").append(nval.getNodeValue());
            }/* w ww  .j  a  v  a 2  s  . c om*/
        }
    }

    return val.toString().trim();
}

---

From source file:com.mingo.parser.xml.dom.DomUtil.java

/**
 * Transform node attributes to map.//  w w  w . j  av a2  s  .c o m
 *
 * @param node {@link Node}
 * @return map : key - attribute name; value - attribute value
 */
public static Map<String, String> getAttributes(Node node) {
    Map<String, String> attributes = ImmutableMap.of();
    if (node.hasAttributes()) {
        ImmutableMap.Builder builder = ImmutableMap.builder();
        // get attributes names and values
        NamedNodeMap nodeMap = node.getAttributes();
        for (int i = 0; i < nodeMap.getLength(); i++) {
            Node currentNode = nodeMap.item(i);
            builder.put(currentNode.getNodeName(), currentNode.getNodeValue());
        }
        attributes = builder.build();
    }
    return attributes;
}

---

From source file:Main.java

/**
 * Get all child elements with the provided name that are direct children
 * the provided element.// w w  w .  j  av a 2s. c om
 * 
 * @param parent
 *            The parent element
 * @param name
 *            The name of the child elements to find
 * @return The list with child elements, empty list if no matching children
 */
public static Collection<Element> getChildElementsByName(Element parent, String name) {
    assertNotNull(parent);
    Collection<Element> childList = new ArrayList<Element>();

    NodeList children = parent.getChildNodes();
    Node node;
    for (int i = 0; i < children.getLength(); i++) {
        node = children.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals(name)) {
            childList.add((Element) node);
        }
    }

    return childList;
}

---

From source file:Main.java

/** Find the first direct child with a given attribute.
 * @param parent/*from  w  ww. jav  a  2  s. co m*/
 * @param elemName name of the element, or null for any 
 * @param attName attribute we're looking for
 * @param attVal attribute value or null if we just want any
 */
public static Node findChildWithAtt(Node parent, String elemName, String attName, String attVal) {

    Node child = DomUtil.getChild(parent, Node.ELEMENT_NODE);
    if (attVal == null) {
        while (child != null && (elemName == null || elemName.equals(child.getNodeName()))
                && DomUtil.getAttribute(child, attName) != null) {
            child = getNext(child, elemName, Node.ELEMENT_NODE);
        }
    } else {
        while (child != null && (elemName == null || elemName.equals(child.getNodeName()))
                && !attVal.equals(DomUtil.getAttribute(child, attName))) {
            child = getNext(child, elemName, Node.ELEMENT_NODE);
        }
    }
    return child;
}

---

From source file:Main.java

/**
 * For the given {@code sourceNode}, read each "top level" element into the resulting {@code Map}. Each element name
 * is a key to the map, each element value is the value paired to the key. Example - anchor is the node, label and
 * href are keys:/*from w  w w. jav a 2 s  .  c  o m*/
 *
 * <pre>
 * {@code
 * <anchor>
 *  <label>Slashdot</label>
 *    <href>http://slashdot.org/</href>
 *  </anchor>
 * }
 * </pre>
 */
public static Map<String, String> readNodeElementsToMap(final Node sourceNode) {
    Map<String, String> result = new HashMap<String, String>();

    if (sourceNode == null) {
        return result;
    }

    NodeList childNodes = sourceNode.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node element = childNodes.item(i);

        if (element.getNodeType() == Node.ELEMENT_NODE) {
            String elementName = element.getNodeName();
            String elementValue = "";
            Node firstChild = element.getFirstChild();

            if (firstChild != null) {
                elementValue = firstChild.getNodeValue();
            }

            if (elementValue != null) {
                result.put(elementName, elementValue);
            }
        }
    }

    return result;
}

---

From source file:Main.java

public static void walkNodes(Node nodeIn, StringBuffer sb, String sPad) {
    if (nodeIn == null)
        return;//  w  w w  .  j  a  va  2 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

/**
 * Get the non qualified tag name//from  w  ww .ja v  a2s  .  c  o  m
 *
 * @param node node
 *
 * @return node name
 */
public static String getNodeName(Node node) {
    String localName = node.getLocalName();
    if (localName != null) {
        return localName;
    }
    String name = node.getNodeName();
    int idx = name.indexOf(":");
    if (idx >= 0) {
        name = name.substring(idx + 1);
    }
    return name;
}

---

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