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

/**
 * Gets the text value contained in an element.
 *
 * @param node The Element to get the text value of.
 *
 * @return The text in the element./* w  w  w  .  j  a v  a2  s . c om*/
 */
public static String getTextValue(Element node) {
    if (node == null) {
        return null;
    }
    NodeList nodes = node.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node n = nodes.item(i);
        if (n.getNodeType() == n.TEXT_NODE) {
            return n.getNodeValue();
        }
    }
    return null;
}

From source file:Main.java

public static void removeElement(Element parent, String tagName) {
    logger.debug("remove " + parent.getNodeName() + "'s children by tagName " + tagName + " begin...");
    NodeList nl = parent.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node nd = nl.item(i);//from   w ww .  j  av a  2s  .co  m
        if (nd.getNodeName().equals(tagName)) {
            parent.removeChild(nd);
            logger.debug("remove child '" + nd + "' success.");
        }
    }
    logger.debug("remove " + parent.getNodeName() + "'s children by tagName " + tagName + " end.");
}

From source file:Main.java

/**
 * This method will return the content of this particular <code>element</code>.
 * For example,/*from  w ww.j  ava 2s .  c o m*/
 *
 * <pre>
 *    <result>something_1</result>
 * </pre>
 * When the {@link org.w3c.dom.Element} <code>&lt;result&gt;</code> is passed in as
 * argument (<code>element</code> to this method, it returns the content of it,
 * namely, <code>something_1</code> in the example above.
 * 
 * @return
 */
public static String getContent(Element element) {
    StringBuffer paramValue = new StringBuffer();
    NodeList childNodes = element.getChildNodes();
    for (int j = 0; j < childNodes.getLength(); j++) {
        Node currentNode = childNodes.item(j);
        if (currentNode != null && currentNode.getNodeType() == Node.TEXT_NODE) {
            String val = currentNode.getNodeValue();
            if (val != null) {
                paramValue.append(val.trim());
            }
        }
    }
    String val = paramValue.toString().trim();
    return val;
}

From source file:Main.java

@Deprecated
private static void removeWhitespaceNodes(org.w3c.dom.Element e) {
    org.w3c.dom.NodeList children = e.getChildNodes();
    for (int i = children.getLength() - 1; i >= 0; i--) {
        org.w3c.dom.Node child = children.item(i);
        if ((child instanceof org.w3c.dom.Text)
                && (((org.w3c.dom.Text) child).getData().trim().length() == 0)) {
            e.removeChild(child);//from w w w . j  av  a 2s.c  o  m
        } else if (child instanceof org.w3c.dom.Element) {
            removeWhitespaceNodes((org.w3c.dom.Element) child);
        }
    }
}

From source file:Main.java

/**
 * Gets the child elements of a parent element. Unlike DOM's getElementsByTagName, this does no recursion,
 * uses local name (namespace free) instead of tag name, result is a proper Java data structure and result
 * needs no casting. In other words, this method does not suck unlike DOM.
 * /* www  .  ja v  a 2 s  .  c  om*/
 * @param parent the XML parent element
 * @param name name of the child elements, if null then all are returned
 */
public static List<Element> getChildElements(Element parent, String name) {
    List<Element> childElements = new ArrayList<Element>();
    NodeList childNodes = parent.getChildNodes();

    for (int i = 0; i < childNodes.getLength(); i++) {
        // get elements
        if (childNodes.item(i).getNodeType() == Node.ELEMENT_NODE) {

            // match element name
            Element childElement = (Element) childNodes.item(i);
            if (name == null || childElement.getLocalName().equals(name)) {
                childElements.add(childElement);
            }
        }
    }

    return childElements;
}

From source file:Main.java

public static Collection<Element> getChilds(Element e) {
    List<Element> childs = new ArrayList<Element>();
    if (e == null)
        return childs;

    NodeList cnodes = e.getChildNodes();
    for (int i = 0; i < cnodes.getLength(); i++) {
        Node cnode = cnodes.item(i);
        if (cnode instanceof Element) {
            Element child = (Element) cnode;
            childs.add(child);/*from w w w  .  j a va2  s .  co  m*/
        }
    }
    return childs;
}

From source file:nl.igorski.lib.utils.data.XMLTool.java

/**
 * get the value of a specific tag in an Element
 *
 * @param element {Element}//from  w  w  w. jav  a2 s. c  om
 * @param tagName {String} name of the tag
 * @return {String} the tags value
 */
public static String getTagValue(Element element, String tagName) {
    try {
        NodeList list = element.getElementsByTagName(tagName);
        Element theElement = (Element) list.item(0);

        NodeList textList = theElement.getChildNodes();
        return textList.item(0).getNodeValue().trim();
    } catch (Exception e) {
    }

    return "";
}

From source file:Main.java

/**
 * An Iterable for the Element's childs, with a particular name, of a node
 * /*  www.j av a  2  s.com*/
 * @param n
 *            the node get the children from
 * @param elementName
 *            the name of the child elements
 * @return An Iterable for the Element's children, with a particular name, of a node
 */
public static List<Element> elements(Element n, String elementName) {
    //        NodeList subNodes = n.getElementsByTagName(elementName);
    NodeList subNodes = n.getChildNodes();
    int sz = subNodes.getLength();
    ArrayList<Element> elements = new ArrayList<Element>(sz);
    for (int idx = 0; idx < sz; idx++) {
        Node node = subNodes.item(idx);
        if (node instanceof Element) {
            Element el = (Element) node;
            if (el.getLocalName().equals(elementName))
                elements.add((Element) node);
        }
    }
    return elements;
}

From source file:Main.java

private static Node getChildNodeByType(Element element, short nodeType) {
    if (element == null) {
        return null;
    }/*from   ww  w  . ja v a  2s . com*/

    NodeList nodes = element.getChildNodes();
    if (nodes == null || nodes.getLength() < 1) {
        return null;
    }

    Node node;
    String data;
    for (int i = 0; i < nodes.getLength(); i++) {
        node = nodes.item(i);
        short type = node.getNodeType();
        if (type == nodeType) {
            if (type == Node.TEXT_NODE || type == Node.CDATA_SECTION_NODE) {
                data = ((Text) node).getData();
                if (data == null || data.trim().length() < 1) {
                    continue;
                }
            }

            return node;
        }
    }

    return null;
}

From source file:Main.java

/**
 * Looks for a text child node and returns its value.
 *
 * @param tag - XML element/*from  w  ww  . jav  a 2  s  . c  om*/
 * @return - the text String of the tag
 */
public static String getText(final Element tag) {
    if (tag == null)
        return null;

    NodeList lst = tag.getChildNodes();
    StringBuffer buf = new StringBuffer();

    for (int Index = 0, Cnt = lst.getLength(); Index < Cnt; Index++) {
        if (lst.item(Index).getNodeType() == Node.ENTITY_REFERENCE_NODE) {
            buf.append(lst.item(Index).getChildNodes().item(0).getNodeValue());
        }
        if ((lst.item(Index).getNodeType() == Node.TEXT_NODE)
                || (lst.item(Index).getNodeType() == Node.CDATA_SECTION_NODE)) {
            buf.append(lst.item(Index).getNodeValue());
        }
    }

    if (buf.length() == 0)
        return null;
    else
        return buf.toString();
}