Example usage for org.w3c.dom Element getFirstChild

Introduction

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

Prototype

public Node getFirstChild();

Source Link

Document

The first child of this node.

Usage

From source file:Main.java

public static List<Element> elements(Element element, String tagName) {
    if (element == null || !element.hasChildNodes()) {
        return Collections.emptyList();
    }//from   w  w w . jav a  2s .co  m

    List<Element> elements = new ArrayList<Element>();
    for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            Element childElement = (Element) child;
            String childTagName = childElement.getLocalName();

            if (tagName.equals(childTagName))
                elements.add(childElement);
        }
    }
    return elements;
}

From source file:DOMUtils.java

/** 
 * Count number of children of a certain type of the given element.
 *
 * @param elem the element whose kids are to be counted
 *
 * @return the number of matching kids.//w w w . j av a 2  s  .  c o m
 */
public static int countKids(Element elem, short nodeType) {
    int nkids = 0;
    for (Node n = elem.getFirstChild(); n != null; n = n.getNextSibling()) {
        if (n.getNodeType() == nodeType) {
            nkids++;
        }
    }
    return nkids;
}

From source file:Main.java

public static List<Element> elements(Element element, Set<String> allowedTagNames) {
    if (element == null || !element.hasChildNodes()) {
        return Collections.emptyList();
    }/*from   w w w.j  a  v  a  2  s  .c o m*/

    List<Element> elements = new ArrayList<Element>();
    for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child.getNodeType() == Node.ELEMENT_NODE) {
            Element childElement = (Element) child;
            if (allowedTagNames.contains(child.getLocalName())) {
                elements.add(childElement);
            }
        }
    }
    return elements;
}

From source file:Main.java

public static List<Element> elements(Element element, String namespace, String localName) {
    if (element == null || !element.hasChildNodes()) {
        return Collections.emptyList();
    }/*from   www. j a va  2s .c om*/

    List<Element> elements = new ArrayList<Element>();
    for (Node child = element.getFirstChild(); child != null; child = child.getNextSibling()) {
        String childNamespace = element.getNamespaceURI();
        if (child.getNodeType() == Node.ELEMENT_NODE
                && (namespace != null ? namespace.equals(childNamespace) : childNamespace == null)
                && localName.equals(element.getLocalName())) {
            elements.add((Element) child);
        }
    }
    return elements;
}

From source file:DOMUtils.java

/**
 * Concat all the text and cdata node children of this elem and return
 * the resulting text.//from  www .java  2 s . c  om
 *
 * @param parentEl the element whose cdata/text node values are to
 *                 be combined.
 * @return the concatanated string.
 */
static public String getChildCharacterData(Element parentEl) {
    if (parentEl == null) {
        return null;
    }
    Node tempNode = parentEl.getFirstChild();
    StringBuffer strBuf = new StringBuffer();
    CharacterData charData;

    while (tempNode != null) {
        switch (tempNode.getNodeType()) {
        case Node.TEXT_NODE:
        case Node.CDATA_SECTION_NODE:
            charData = (CharacterData) tempNode;
            strBuf.append(charData.getData());
            break;
        }
        tempNode = tempNode.getNextSibling();
    }
    return strBuf.toString();
}

From source file:importer.handler.post.stages.Discriminator.java

/**
 * Get the next child that is an element
 * @param elem the element/*from www  .  j a  v a  2s .c  o  m*/
 * @return its first child of elem or null
 */
static Element firstChild(Element elem) {
    Node n = elem.getFirstChild();
    while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
        n = n.getNextSibling();
    return (Element) n;
}

From source file:Main.java

/**
 * Set the text content of an element. All exisitng Text Node are
 * removed before adding a new Text Node containing the given text.
 *
 * @param element target element to set text content, cannot be null.
 * @param text content of the element, cannot be null.
 *//*from ww w . j  a  v a  2 s  . c o m*/
public static void setElementText(Element element, String text) {

    // Remove all text element
    NodeList list = element.getChildNodes();
    int len = list.getLength();

    for (int i = 0; i < len; i++) {
        Node n = list.item(i);

        if (n.getNodeType() == Node.TEXT_NODE) {
            element.removeChild(n);
        }
    }
    Node child = element.getFirstChild();
    Node textnode = element.getOwnerDocument().createTextNode(text);

    // insert text node as first child
    if (child == null) {
        element.appendChild(textnode);
    } else {
        element.insertBefore(textnode, child);
    }
}

From source file:Main.java

public static void edit(Document doc) {
    Element element = doc.getDocumentElement();
    Element element2 = doc.createElement("newname");
    NamedNodeMap attrs = element.getAttributes();
    for (int i = 0; i < attrs.getLength(); i++) {
        Attr attr2 = (Attr) doc.importNode(attrs.item(i), true);
        element2.getAttributes().setNamedItem(attr2);
    }// w  ww .  j  a v  a  2  s. c  o  m
    while (element.hasChildNodes()) {
        element2.appendChild(element.getFirstChild());
    }
    element.getParentNode().replaceChild(element2, element);
}

From source file:com.ibm.bi.dml.conf.DMLConfig.java

/**
 * Method to update the string value of an element identified by tagname 
 * @param ele/*from   w w  w. ja v a 2  s  .  c om*/
 * @param tagName
 * @param newTextValue
 */
private static void setTextValue(Element element, String tagName, String newTextValue) {

    NodeList list = element.getElementsByTagName(tagName);
    if (list != null && list.getLength() > 0) {
        Element elem = (Element) list.item(0);
        elem.getFirstChild().setNodeValue(newTextValue);
    }
}

From source file:com.ibm.bi.dml.conf.DMLConfig.java

/**
 * Method to get the string value of an element identified by tag
 * @param ele/*from  w  w w  . j a v  a 2s . c  o m*/
 * @param tagName
 * @return
 */
private static String getTextValue(Element element, String tagName) {
    String textVal = null;
    NodeList list = element.getElementsByTagName(tagName);
    if (list != null && list.getLength() > 0) {
        Element elem = (Element) list.item(0);
        textVal = elem.getFirstChild().getNodeValue();

    }
    return textVal;
}