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> getElements(final Element element, final String tagName) {
    final ArrayList<Element> elements = new ArrayList<>();
    final NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        final Node node = children.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            final String nodeName = node.getNodeName();
            if ((nodeName != null) && nodeName.equals(tagName)) {
                elements.add((Element) node);
            }/*from ww w  . ja  v  a 2  s.  c o  m*/
        }
    }
    return elements;
}

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  ww . j  a  va 2s  . c o  m*/
 * @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();
        }
    };
}

From source file:Main.java

public static String getTextContent(Element element) {
    StringBuilder buffer = new StringBuilder();

    element.normalize();// w  w  w  . j  av  a  2 s  .co  m
    NodeList children = element.getChildNodes();
    for (int i = 0, n = children.getLength(); i < n; i++) {
        Node child = children.item(i);
        if (child.getNodeType() == Node.TEXT_NODE) {
            buffer.append(child.getNodeValue());
        }
    }

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

From source file:Main.java

public static Element GetChildElement(Element element, String name) {
    if (element != null && name != null && !name.isEmpty()) {
        NodeList nodes = element.getChildNodes();

        for (int i = 0; i < nodes.getLength(); i++) {
            Node node = nodes.item(i);

            if (node instanceof Element && name.equals(node.getNodeName())) {
                return (Element) node;
            }//from ww  w  .  j  a v  a2  s .c  o  m
        }
    }

    return null;
}

From source file:Main.java

public static List<Element> getSubElement(Element element) {
    ArrayList<Element> result = new ArrayList<Element>();
    NodeList childNodes = element.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        switch (childNodes.item(i).getNodeType()) {
        case Node.ELEMENT_NODE:
            result.add((Element) childNodes.item(i));
            break;
        }//from   w w w . j a v  a2 s.c  o  m
    }
    return result;
}

From source file:Main.java

public static String getSimpleElementText(Element node) {
    if (node == null)
        return null;
    StringBuffer sb = new StringBuffer();
    NodeList children = node.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        if (child instanceof Text) {
            sb.append(child.getNodeValue());
        }// w w w  .  j a v  a2  s .c  o  m
    }
    return sb.toString();
}

From source file:Main.java

public static ArrayList<Element> getChildElements(Element parent, String childName) {
    ArrayList<Element> childElements = new ArrayList<Element>();
    NodeList childNodes = parent.getChildNodes();

    for (int i = 0; i < childNodes.getLength(); i++) {
        Node childNode = childNodes.item(i);
        if (childNode.getNodeType() == Node.ELEMENT_NODE) {
            if (childName == null || childNode.getNodeName().equals(childName)) {
                childElements.add((Element) childNode);
            }/*from   w  w w .j ava2s.  co  m*/
        }
    }

    return childElements;
}

From source file:Main.java

/** Helper method - Determines if a <I>Node</I> has any non-<I>CharacterData</I> nodes.
This call is stricter than the <CODE>Node.hasChildNodes</CODE> call.
 *///  w  w w  .  j a v a  2  s.co  m
public static boolean hasNonCharacterChildren(Element pElement) {
    // Do the quick test.
    if (!pElement.hasChildNodes())
        return false;

    NodeList pNodeList = pElement.getChildNodes();
    int nLength = pNodeList.getLength();

    // Find a non-character data node.
    for (int i = 0; i < nLength; i++)
        if (!(pNodeList.item(i) instanceof CharacterData))
            return true;

    return false;
}

From source file:Main.java

/**
 * Return the index'th child element of parent that has the given element
 * tag name.// w  ww  . j  a  v  a 2 s .co m
 * 
 * @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

/**
 * Gets the list of immediate child elements with the given tag name.
 * /*from w ww  .j  a  va 2s .  c om*/
 * @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;
}