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

/**
 * Get all the direct children elements of an element that have a specific
 * tag name.//ww  w . j a va 2 s.c  o  m
 *
 * @param parent
 *            The parent element.
 * @param name
 *            The tag name to match.
 *
 * @return A list of Element's.
 */
public static List<Element> getElements(final Element parent, final String name) {
    final LinkedList<Element> list = new LinkedList<Element>();

    Node node = parent.getFirstChild();

    while (node != null) {
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            final Element element = (Element) node;

            if (element.getTagName().equals(name)) {
                list.add(element);
            }
        }

        node = node.getNextSibling();
    }

    return list;
}

From source file:Main.java

/**
 * To elements./*from   w w  w .  j a  v  a 2s.  co  m*/
 *
 * @param nodes the nodes
 * @param filter the filter
 * @return the list
 */
private static List<Element> toElements(NodeList nodes, String filter) {
    List<Element> list = new ArrayList<Element>();
    for (int i = 0; i < nodes.getLength(); i++)
        if (nodes.item(i) instanceof Element) {
            Element e = (Element) nodes.item(i);
            if (filter == null || e.getTagName().equals(filter)) {
                list.add(e);
            }
        }
    return list;
}

From source file:Main.java

public static Map<String, String> NodeListToMap(NodeList nList) {
    Map<String, String> simpleMap = new HashMap<String, String>();
    for (int i = 0; i < nList.getLength(); i++) {
        Node nNode = nList.item(i);
        if (nNode.getNodeType() == Node.ELEMENT_NODE) {
            Element eElement = (Element) nNode;
            if (eElement != null) {
                simpleMap.put(eElement.getTagName(), eElement.getTextContent());
            } // end if eelement
        } // end if nnode.getnodetype()
    } //end for int temp
    return simpleMap;
}

From source file:Main.java

public static List getChildrenByTagName(Node parent, String tagName) {
    ArrayList elements = new ArrayList();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child instanceof Element) {
            Element elem = (Element) children.item(i);
            if (tagName.equals(elem.getTagName())) {
                elements.add(elem);//from www  .j  ava  2 s  .com
            }
        }
    }
    return elements;
}

From source file:Main.java

private static void outputElement(Element node, String indent) {
    System.out.print(indent + "<" + node.getTagName());
    NamedNodeMap nm = node.getAttributes();
    for (int i = 0; i < nm.getLength(); i++) {
        Attr attr = (Attr) nm.item(i);
        System.out.print(" " + attr.getName() + "=\"" + attr.getValue() + "\"");
    }/*w w w.  j  a  v  a2  s. com*/
    System.out.print(">");
    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++)
        outputloop(list.item(i), indent + TAB);
    System.out.println(indent + "</" + node.getTagName() + ">");
}

From source file:Main.java

/**
 * @param element The element whose ancestry we will check
 * @param tagName The tagName of the element we are searching for in the ancestry
 * @param limitTagName Stop searching if we hit this limit
 * @return The first matching element, if found
 *///  w  w  w .ja  va 2s  .  c  o  m
public static Element getAncestorOrSelf(final Element element, final String tagName,
        final String limitTagName) {
    Element result = null;
    Element next = element;
    String currentTagName;
    do {
        currentTagName = next.getTagName();
        if (currentTagName.equals(tagName)) {
            result = next;
            break;
        } else {
            Node parent = next.getParentNode();
            if (parent != null && parent.getNodeType() == Node.ELEMENT_NODE) {
                next = (Element) parent;
            } else {
                break;
            }
        }
    } while (next != null && (limitTagName == null || !tagName.equals(limitTagName)));
    return result;
}

From source file:Main.java

public static Hashtable<String, String> getChildHash(Element elem) {
    if (elem == null)
        return null;
    NodeList nl = elem.getChildNodes();
    if (nl == null)
        return null;
    Hashtable<String, String> retlist = new Hashtable<String, String>(nl.getLength());
    for (int n = 0; n < nl.getLength(); n++) {
        Node child = nl.item(n);/*w  w w .  j  a v  a  2  s. co  m*/
        if (child instanceof Element) {
            Element element = (Element) child;
            String key = element.getTagName();
            String value = getSimpleElementText(element);
            retlist.put(key, value);
        }
    }
    if (retlist.size() == 0)
        return null;
    return retlist;
}

From source file:Main.java

public static Map<String, String> SimpleDocumentToMap(Document doc) {
    Map<String, String> simpleMap = new HashMap<String, String>();
    //trim off outter layer
    Node node = doc.getFirstChild();
    NodeList nList = node.getChildNodes();
    for (int i = 0; i < nList.getLength(); i++) {
        Node nNode = nList.item(i);
        if (nNode.getNodeType() == Node.ELEMENT_NODE) {
            Element eElement = (Element) nNode;
            if (eElement != null) {
                simpleMap.put(eElement.getTagName(), eElement.getTextContent());
            } // end if eelement
        } // end if nnode.getnodetype()
    } //end for int temp
    return simpleMap;
}

From source file:Main.java

public static List<Element> getChildrenByTagName(Node parent, String tagName) {
    ArrayList<Element> elements = new ArrayList<Element>();
    NodeList children = parent.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child instanceof Element) {
            Element elem = (Element) children.item(i);
            if (tagName.equals(elem.getTagName())) {
                elements.add(elem);/*  w  w  w .j a  v  a 2s . c  o m*/
            }
        }
    }
    return elements;
}

From source file:Main.java

/**
 * Method getChildTags. Get all direct children of given element which
 * match the given tag./*w  w w . j av  a2  s  .  c  o  m*/
 * This method only looks at the direct children of the given node, and
 * doesn't descent deeper into the tree. If a '*' is passed as tag,
 * all elements are returned.
 *
 * @param el            Element where to get children from
 * @param tag           Tag to match. Use '*' to match all tags.
 * @return Collection  Collection containing all elements found. If
 *                      size() returns 0, then no matching elements
 *                      were found. All items in the collection can
 *                      be safely cast to type
 *                      <code>org.w3c.dom.Element</code>.
 */
public static Collection<Node> getChildTags(Element el, String tag) {
    Collection<Node> c;
    NodeList nl;
    int len;
    boolean allChildren;

    c = new LinkedList<Node>();
    nl = el.getChildNodes();
    len = nl.getLength();

    if ("*".equals(tag)) {
        allChildren = true;
    } else {
        allChildren = false;
    }

    for (int i = 0; i < len; i++) {
        Node n = nl.item(i);
        if (n instanceof Element) {
            Element e = (Element) n;
            if (allChildren || e.getTagName().equals(tag)) {
                c.add(n);
            }
        }
    }

    return c;
}