Example usage for org.w3c.dom Element getTagName

Introduction

In this page you can find the example usage for org.w3c.dom Element getTagName.

Prototype

public String getTagName();

Source Link

Document

The name of the element.

Usage

From source file:Main.java

/**
 * Gets the list of immediate child elements with the given tag name.
 * /*w  ww  .  j  av a 2  s  .  c o  m*/
 * @param element
 * @param tagName
 * @return list of {@link Element} objects
 */
public static List<Element> getChildElementsByTagName(Element element, String tagName) {
    List<Element> elements = new ArrayList<Element>();
    NodeList list = element.getChildNodes();
    int size = list.getLength();
    if (size > 0) {
        for (int i = 0; i < size; i++) {
            Node node = list.item(i);
            if (node instanceof Element) {
                Element e = (Element) node;
                if (e.getTagName().equals(tagName)) {
                    elements.add(e);
                }
            }
        }
    }
    return elements;
}

From source file:Main.java

/**
 * Returns the number of child elements of parent that have the given
 * element tag name.// w w w . j  a  va  2  s .  c o  m
 * 
 * @param name
 *            Element tag name to search for
 * @param parent
 *            Parent to search
 * @return Count of child elements that have the given name
 */
public static int getCountChildElementsByTagName(String name, Element parent) {
    if (parent == null) {
        return 0;
    }
    NodeList children = parent.getChildNodes();
    if (children == null) {
        return 0;
    }
    int count = 0;
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            if (e.getTagName().equals(name)) {
                count++;
            }
        }
    }
    return count;
}

From source file:Main.java

/**
 * find the unique element, returns null if not found or if there is more than one
 *
 * @param tagName - tag name/*w w  w .  j  a  va  2s. c  o  m*/
 * @param root    - where to start looking
 * @return the element
 */
public static Element findElement(final String tagName, final Element root) {
    if (root.getTagName().equals(tagName)) {
        return root;
    }
    final NodeList nl = root.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() == 1) {
        return (Element) nl.item(0);
    }
    return null;
}

From source file:Main.java

/**
 * Return the index'th child element of parent that has the given element
 * tag name.//from  www .j av a2s .  c  om
 * 
 * @param index
 *            Index of the child to return
 * @param name
 *            Element tag name to search for
 * @param parent
 *            Parent to search
 * @return index'th child element of parent that has the given name
 */
public static Element getChildElementByTagName(int index, String name, Element parent) {
    if (parent == null) {
        return null;
    }
    NodeList children = parent.getChildNodes();
    if (children == null) {
        return null;
    }
    int count = 0;
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        if (node instanceof Element) {
            Element e = (Element) node;
            if (e.getTagName().equals(name) && (count++ == index)) {
                return e;
            }
        }
    }
    return null;
}

From source file:Main.java

public static List<Element> getElementsByTagName(Element parent, String name, boolean localOnly) {
    List<Element> ret = new ArrayList<Element>();
    if (!localOnly) {
        NodeList elementList = parent.getElementsByTagName(name);
        for (int i = 0; i < elementList.getLength(); i++) {
            ret.add((Element) elementList.item(i));
        }//from w w w  . ja v  a 2s. c  o m
    } else {
        NodeList childList = parent.getChildNodes();
        for (int i = 0; i < childList.getLength(); i++) {
            if (childList.item(i).getNodeType() != Node.ELEMENT_NODE)
                continue;
            Element child = (Element) childList.item(i);
            if (child.getTagName().equals(name))
                ret.add(child);
        }
    }
    return ret;
}

From source file:Main.java

/**
 * Are elements equal.//  ww  w  .j av a 2 s . c o  m
 * 
 * @param element1
 *            the element1
 * @param element2
 *            the element2
 * @return true, if successful
 */
public static boolean areElementsEqual(Element element1, Element element2) {
    if (!element1.getTagName().equals(element2.getTagName())) {
        return false;
    }
    NamedNodeMap nodeAttrMap = element1.getAttributes();
    NamedNodeMap pathAttrMap = element2.getAttributes();
    if ((nodeAttrMap == null && pathAttrMap == null)
            || (pathAttrMap.getLength() == 0 && nodeAttrMap.getLength() == 0)) {
        return true;
    } else {
        if (element1.hasAttribute("name") && element2.hasAttribute("name")) {
            if (element1.getAttribute("name").equals(element2.getAttribute("name"))) {
                return true;
            }
        } else if (nodeAttrMap != null && pathAttrMap != null
                && (nodeAttrMap.getLength() == pathAttrMap.getLength())) {
            for (int k = 0; k < nodeAttrMap.getLength(); k++) {
                Node nodeAttr = nodeAttrMap.item(k);
                String nodeAttrName = nodeAttr.getNodeName();
                String nodeAttrValue = nodeAttr.getNodeValue();
                if (element2.hasAttribute(nodeAttrName)
                        && nodeAttrValue.equals(element2.getAttribute(nodeAttrName))) {
                    return true;
                }
            }
        }
    }
    return false;
}

From source file:Main.java

public static boolean is(Element element, QName qName) {
    final boolean equals = qName.equals(new QName(element.getNamespaceURI(), element.getTagName()));
    return equals;
}

From source file:Main.java

/**
 * Retrieves the given DOM element's first child element with the specified
 * name. If name is null, the first child of any type is returned.
 */// w w w. j av  a  2  s .  c o m
public static Element getFirstChild(final Element el, final String name) {
    final NodeList nodes = el.getChildNodes();
    final int len = nodes.getLength();
    for (int i = 0; i < len; i++) {
        final Node node = nodes.item(i);
        if (!(node instanceof Element))
            continue;
        final Element e = (Element) node;
        if (name == null || e.getTagName().equals(name))
            return e;
    }
    return null;
}

From source file:Main.java

/**
 * Return an array of direct child elements that have the given element tag
 * name./*from   w ww  .  j  a  v a 2 s. c om*/
 * 
 * @param name
 *            Element tag name to search for
 * @param parent
 *            Parent to search
 * @return Array of child elements with the given name
 */
public static Element[] getChildElementsByTagName(String name, Element parent) {
    List<Element> elements = new ArrayList<Element>();
    if (parent != null) {
        NodeList children = parent.getChildNodes();
        if (children != null) {
            for (int i = 0; i < children.getLength(); i++) {
                Node node = children.item(i);
                if (node instanceof Element) {
                    Element e = (Element) node;
                    if (e.getTagName().equals(name)) {
                        elements.add(e);
                    }
                }
            }
        }
    }
    return elements.toArray(new Element[elements.size()]);
}

From source file:Main.java

/**
 * Find an immediate child of the given name
 *//*  w  w  w .j  a v  a 2s. com*/
public static Element findImmediateChildElement(Node node, String name) {

    Element found = null;

    if (node != null) {

        for (Node child = node.getFirstChild(); child != null
                && found == null; child = child.getNextSibling()) {

            if (child.getNodeType() == Node.ELEMENT_NODE) {
                Element tmp = (Element) child;
                if (tmp.getTagName().equals(name)) {
                    return tmp;
                }
            }
        }
    }

    return found;
}