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

/**
 * get String Data/*from w ww .ja v a 2 s .com*/
 * @param  xmlElement an <CODE>Element</CODE> of XML document
 * @return String representing contents of <CODE>xmlElement</CODE>
 */
public static String getString(Element xmlElement) {
    Node node = xmlElement.getFirstChild();
    if (node == null)
        return "";
    if (node instanceof Text) {
        Text text = (Text) node;
        if (text.getData() == null)
            return "";
        else
            return text.getData().trim();
    }
    return getPseudoHTML(xmlElement);
}

From source file:Main.java

/**
 * Get the text value for the specified element.  If the element is null, or the element's body is empty then this
 * method will return null.//from w  w  w .  ja  v  a2s  . com
 *
 * @param element The Element
 * @return The value String or null
 */
public static String getValue(Element element) {
    if (element != null) {
        Node dataNode = element.getFirstChild();
        if (dataNode != null) {
            return ((Text) dataNode).getData();
        }
    }
    return null;
}

From source file:Main.java

/**
 * Gets the value from the first descendant of a given ancestor, where the
 * descendant has the specified name.// w  w  w. jav a2s .co m
 * 
 * @param ancestor
 *            the ancestor element
 * @param tagname
 *            the tag name of the descendant to find.
 * @return the value of the descendant or <code>null</code> if no descendant
 *         with that name could be found or the descendant found has no
 *         value.
 */
public static String getValueFromDescendant(Element ancestor, String tagname) {
    if (ancestor != null) {
        NodeList nl = ancestor.getElementsByTagName(tagname);
        if (!isEmpty(nl)) {
            Element e = (Element) nl.item(0);
            Node c = e.getFirstChild();
            if (c != null) {
                return c.getNodeValue();
            }
        }
    }
    return null;
}

From source file:Main.java

public static String getElementValue(Element parent, String label) {
    Element e = (Element) parent.getElementsByTagName(label).item(0);

    try {/* w  w w. j av a 2 s. c  om*/
        Node child = e.getFirstChild();
        if (child instanceof CharacterData) {
            CharacterData cd = (CharacterData) child;
            return cd.getData();
        }
    } catch (Exception ex) {
    }
    return "";
}

From source file:Main.java

public static List<Element> getElementChildsByType(Element elem, String type) {
    List<Element> elemList = new ArrayList<Element>();
    for (Node child = elem.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child instanceof Element && (((Element) child).getAttribute("xmi:type").equals(type)
                || ((Element) child).getAttribute("type").equals(type))) {
            elemList.add((Element) child);
        }/*from  ww w.j  a v a2  s .c  om*/
    }
    return elemList;
}

From source file:Main.java

/**
 * Get first value (value of first child) from the specified Element.<br>
 * If no value found 'def' value is returned.
 *//*from  w ww. ja v a 2  s.co  m*/
public static String getFirstValue(Element element, String def) {
    if (element != null) {
        final Node child = element.getFirstChild();
        if (child != null)
            return child.getNodeValue();
    }

    return def;
}

From source file:Main.java

public static String getTextValue(Element ele, String tagName) {
    String textVal = null;/*  w  w w.j ava  2  s. co  m*/
    NodeList nl = ele.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
        Element el = (Element) nl.item(0);
        if (el == null)
            return null;
        if (el.getFirstChild() == null)
            return null;
        textVal = el.getFirstChild().getNodeValue();
    }

    return textVal;
}

From source file:Main.java

public static List<Element> getElementChildsByTagName(Element elem, String TagName) {
    List<Element> elemList = new ArrayList<Element>();
    for (Node child = elem.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child instanceof Element && child.getNodeName().equals(TagName)) {
            elemList.add((Element) child);
        }/*  www .j a v  a2 s  .  c  o  m*/
    }
    return elemList;
}

From source file:Main.java

public static Element getDirectChildElement(Element p_rootElement, String p_elementName) {
    for (Node node = p_rootElement.getFirstChild(); node != null; node = node.getNextSibling()) {
        if (node.getNodeName().equalsIgnoreCase(p_elementName))
            return (Element) node;
    }/*from w ww .ja  va  2 s.  co  m*/
    return null;
}

From source file:Main.java

public static Element first(Element root, String localName) {
    if (root == null)
        return null;
    for (Node n1 = root.getFirstChild(); n1 != null; n1 = n1.getNextSibling()) {
        if (n1.getNodeType() != Node.ELEMENT_NODE)
            continue;
        return Element.class.cast(n1);
    }/*from   ww  w. jav  a2  s . c  o  m*/
    return null;
}