Example usage for org.w3c.dom Element getChildNodes

Introduction

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

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

public static List<Element> getSubChildElementList(Element ele, String[] tagnames) {
    if (ele == null) {
        return null;
    }//from   w  w  w . j  a  va 2  s  . co m

    List<Element> v = new ArrayList<Element>();

    // boolean isall = false;

    NodeList tmpnl = ele.getChildNodes();

    Node tmpn = null;

    int k;
    for (k = 0; k < tmpnl.getLength(); k++) {
        tmpn = tmpnl.item(k);

        if (tmpn.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }

        Element eee = (Element) tmpn;
        String noden = eee.getNodeName();
        int p = noden.indexOf(':');
        if (p >= 0)
            noden = noden.substring(p + 1);

        for (String tagname : tagnames) {
            if (tagname.equals(noden) || tagname.equals("*")) {
                v.add(eee);
                break;
            }
        }
    }

    return v;
}

---

From source file:Main.java

public static List<Element> elements(final Element father, final String ns, final String localName) {
    final List<Element> matchingElements = new ArrayList<Element>();
    final NodeList nl = father.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        final Node n = nl.item(i);
        if (n instanceof Element && n.getLocalName() != null && n.getLocalName().equals(localName)
                && n.getNamespaceURI() != null && n.getNamespaceURI().equals(ns)) {
            matchingElements.add((Element) n);
        }/*from  w w  w.  jav a2  s  . co  m*/
    }
    return matchingElements;
}

---

From source file:Main.java

/**
 * Get the content of the given element.
 *
 * @param element   The element to get the content for.
 * @param defaultStr The default to return when there is no content.
 * @return The content of the element or the default.
 *//*from  w  w  w.  j av a2 s  . c  o m*/
public static String getElementContent(Element element, String defaultStr) throws Exception {
    if (element == null) {
        return defaultStr;
    }

    final NodeList children = element.getChildNodes();
    final StringBuilder result = new StringBuilder("");
    for (int i = 0; i < children.getLength(); i++) {
        if (children.item(i).getNodeType() == Node.TEXT_NODE
                || children.item(i).getNodeType() == Node.CDATA_SECTION_NODE) {
            result.append(children.item(i).getNodeValue());
        }
        //         else if ( children.item( i ).getNodeType() == Node.COMMENT_NODE ) {
        //            // Ignore comment nodes
        //         }
    }
    return result.toString().trim();
}

---

From source file:Main.java

/**
 * Returns the child element with the specified tagName for the specified
 * parent element./*w w  w  . j a v  a 2s .c om*/
 * @param parent The parent whose child we're looking for.
 * @param tagName the name of the child to find
 * @return The child with the specified name or null if no such child was
 *         found.
 * @throws NullPointerException if parent or tagName are null
 */
public static Element findChild(Element parent, String tagName) {
    if (parent == null || tagName == null)
        throw new NullPointerException(
                "Parent or tagname were null! " + "parent = " + parent + "; tagName = " + tagName);

    NodeList nodes = parent.getChildNodes();
    Node node;
    int len = nodes.getLength();
    for (int i = 0; i < len; i++) {
        node = nodes.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE && ((Element) node).getNodeName().equals(tagName))
            return (Element) node;
    }

    return null;
}

---

From source file:Main.java

public static List<Element> getCurrentLevelChildNodes(Element ele, String tagName) {

    List<Element> elements = new ArrayList<Element>();

    if (ele == null) {
        return elements;
    }//from w  ww . j  a v  a 2s. c  o  m
    NodeList nl = ele.getChildNodes();

    if (nl != null && nl.getLength() > 0) {
        for (Integer i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i);
            if (node instanceof Element && ((Element) node).getNodeName().equals(tagName)) {
                elements.add((Element) node);
            }
        }
    }

    return elements;
}

---

From source file:Main.java

/**
 * Get the first child element of the specified (root) element that has the specified name. If no element by the
 * specified name is found, null is returned. Note that more than one element with the same name may be a child of
 * root. This method simply returns the first one.
 * //from  w  w w.j  a  va 2s . com
 * @param root The element to search.
 * @param name The local name of the element to look for.
 * @return The element if found, null otherwise.
 */
public static Element getElement(Element root, String name) {
    if (root == null || name == null || name.length() <= 0)
        throw new IllegalArgumentException("Null or invalid argument passed to XmlUtil.getElement()");
    NodeList lst = root.getChildNodes();
    int size = lst.getLength();
    name = localName(name);
    for (int i = 0; i < size; i++) {
        Node node = lst.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            String nodeName = localName(node);
            if (name.equals(nodeName))
                return (Element) node;
        }
    }
    return null;
}

---

From source file:Main.java

public static List<Element> getChildNodes(Element ele, String tagName) {

    List<Element> elements = new ArrayList<Element>();

    if (ele == null) {
        return elements;
    }//from   w  w  w .  j  a  v a2s .c  o m

    NodeList nl = ele.getChildNodes();

    if (nl != null && nl.getLength() > 0) {
        for (Integer i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i);
            if (node instanceof Element && ((Element) node).getNodeName().equals(tagName)) {
                elements.add((Element) node);
            }
        }
    }

    return elements;
}

---

From source file:Main.java

/**
 * Returns an iterator over the children of the given element with
 * the given tag name.// ww  w . ja v  a 2 s . co m
 *
 * @param element    The parent element
 * @param tagName    The name of the desired child
 * @return           An interator of children or null if element is null.
 */
public static Iterator<Element> getChildrenByTagName(Element element, String tagName) {
    if (element == null)
        return null;
    // getElementsByTagName gives the corresponding elements in the whole 
    // descendance. We want only children

    NodeList children = element.getChildNodes();
    ArrayList<Element> goodChildren = new ArrayList<Element>();
    for (int i = 0; i < children.getLength(); i++) {
        Node currentChild = children.item(i);
        if (currentChild.getNodeType() == Node.ELEMENT_NODE
                && ((Element) currentChild).getTagName().equals(tagName)) {
            goodChildren.add((Element) currentChild);
        }
    }
    return goodChildren.iterator();
}

---

From source file:Main.java

/**
 * Checks if is element exists by tag name.
 * @param element the element/*from w  ww .j  ava2  s .  co  m*/
 * @param tagName the tag name
 * @return true, if is element exists by tag name
 */
public static boolean isElementExistsByTagName(final Element element, final String tagName) {

    if (element == null || tagName == null || tagName.isEmpty()) {
        return false;
    }

    // Extract all children on element
    final NodeList res = element.getChildNodes();

    for (int i = 0; i < res.getLength(); i++) {

        final Node node = res.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {

            final Element elem = (Element) node;

            // Check matching with tagname expected
            if (elem.getTagName().equals(tagName)) {
                return true;
            }
        }
    }

    return false;
}

---

From source file:Main.java

public static Element element(final Element element, final String tagName) {
    Element childElement = null;//from ww  w .  ja va  2 s.c  o  m
    if (element != null) {
        final NodeList nodeList = element.getChildNodes();
        for (int i = 0; i < nodeList.getLength() && childElement == null; i++) {
            final Node child = nodeList.item(i);
            if (Element.class.isAssignableFrom(child.getClass())
                    && getTagLocalName((Element) child).equals(tagName)) {
                childElement = (Element) child;
            }
        }
    }
    return childElement;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »