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 the text that is associated with this element.
 * //from   w  w  w. j  av  a 2 s . c  o  m
 * @param element an Element object.
 * @return the text that is associated with this element.
 */
public static String getText(Element element) {
    String text = null;

    // Get first child element
    Node node = element.getFirstChild();

    // NodeList nodeList = element.getChildNodes();

    // int length = nodeList.getLength();

    // Process while there are nodes and the text hasn't been found
    while ((node != null) && (text == null)) {
        // If a text node or cdata section is found, then get text
        if ((node.getNodeType() == Node.TEXT_NODE) || (node.getNodeType() == Node.CDATA_SECTION_NODE)) {
            text = ((CharacterData) node).getData();
        }

        // Get next sibling
        node = node.getNextSibling();
    }

    if (text != null)
        text = text.trim();

    return text;
}

From source file:Main.java

/**
 * Get the first child element with the given name.  This differs from {@link
 * org.w3c.dom.Node#getFirstChild Node.getFirstChild} in that this only returns elements.
 *
 * @param parent the parent node for which to get the first child
 * @param name   the name of the child element to get; may be null or "*" to indicate the
 *               first child element of any name
 * @return the child, or null if none was found
 *///from ww w . ja  v  a 2 s.c  o m
public static Element getFirstChild(Element parent, String name) {
    final String filter = (name != null && !name.equals("*")) ? name : null;

    for (Node n = parent.getFirstChild(); n != null; n = n.getNextSibling()) {
        if (n.getNodeType() == Node.ELEMENT_NODE && (filter == null || n.getNodeName().equals(filter)))
            return (Element) n;
    }

    return null;
}

From source file:DOMEdit.java

public static void newEmail(Document doc, String newname, String newemail) {
        Element root = doc.getDocumentElement();
        Element person = (Element) root.getFirstChild();
        while (person != null) {
            Element name = (Element) person.getFirstChild();
            Text nametext = (Text) name.getFirstChild();
            String oldname = nametext.getData();
            if (oldname.equals(newname)) {
                Element email = (Element) name.getNextSibling();
                Text emailtext = (Text) email.getFirstChild();
                emailtext.setData(newemail);
            }/*from   w  ww  . j  a v a  2s  .  co m*/
            person = (Element) person.getNextSibling();
        }
    }

From source file:Main.java

/** Locate a sub-element tagged 'name', return its value.
 *
 *  Will only go one level down, not search the whole tree.
 *
 *  @param element Element where to start looking. May be null.
 *  @param name Name of sub-element to locate.
 *  @param default_value Default value if not found
 *
 *  @return Returns string that was found or default_value.
 *///from   w  w  w.  j  a  v  a  2  s.c o m
final public static String getSubelementString(final Element element, final String name,
        final String default_value) {
    if (element == null)
        return default_value;
    Node n = element.getFirstChild();
    n = findFirstElementNode(n, name);
    if (n != null) {
        Node text_node = n.getFirstChild();
        if (text_node == null)
            return default_value;
        return text_node.getNodeValue();
    }
    return default_value;
}

From source file:DOMEdit.java

public static void dupAttributes(Document doc) {
        Element root = doc.getDocumentElement();
        Element personOne = (Element) root.getFirstChild();

        Attr deptAttr = personOne.getAttributeNode("dept");
        personOne.removeAttributeNode(deptAttr);
        String deptString = deptAttr.getValue();
        personOne.setAttribute("dept", deptString + " updated");

        String mailString = personOne.getAttribute("mail");
        personOne.setAttribute("mail", mailString + " updated");

        String titleString = personOne.getAttribute("title");
        //personOne.removeAttribute("title");
        personOne.setAttribute("title", titleString + " updated");
    }/*from w ww .  jav  a2 s.co  m*/

From source file:Main.java

/**
 * Find an element, return as a string.//  w  w  w .j a v  a 2  s. c  o  m
 * @param e The element that searches.
 * @param find What we are searching for.
 * @return The value found, default value otherwise.
 */
public static String findElementAsString(final Element e, final String find) {
    final Element el = findElement(e, find);

    if (el == null) {
        return null;
    }

    for (Node child = el.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (!(child instanceof Text)) {
            continue;
        }
        return child.getNodeValue();
    }
    return null;
}

From source file:Main.java

public static synchronized Element[] getChildElements(Element element) {
    if (element == null) {
        return null;
    }/* w w  w. j ava 2 s .c o  m*/
    Vector childs = new Vector();
    for (Node node = element.getFirstChild(); node != null; node = node.getNextSibling()) {
        if (node instanceof Element) {
            childs.add((Element) node);
        }
    }
    Element[] elmt = new Element[childs.size()];
    childs.toArray(elmt);
    return elmt;
}

From source file:Main.java

/**
 * Return the text (node value) of the first node under this, works best if normalized.
 *//*from   www .  jav  a 2  s  .  c  o m*/
public static String elementValue(Element element) {
    if (element == null)
        return null;
    // make sure we get all the text there...
    element.normalize();
    Node textNode = element.getFirstChild();

    if (textNode == null)
        return null;

    StringBuffer valueBuffer = new StringBuffer();
    do {
        if (textNode.getNodeType() == Node.CDATA_SECTION_NODE || textNode.getNodeType() == Node.TEXT_NODE) {
            valueBuffer.append(textNode.getNodeValue());
        }
    } while ((textNode = textNode.getNextSibling()) != null);
    return valueBuffer.toString();
}

From source file:Main.java

/**
 * Get the value of the specified element
 *
 * @param element//from   w  w  w . j  a  v  a  2 s.  c om
 * @return
 */
public static String getElementValue(Element element) {
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.item(i).getNodeType() == Node.TEXT_NODE) {
            return element.getFirstChild().getNodeValue();
        }
    }

    return null;
}

From source file:Main.java

public static String getChildElementValueByTagName(Element parentElement, String childTag) {
    if (childTag.equals(parentElement.getNodeName())) {
        return getNodeValue(parentElement);
    }//from w  w w  .ja  v a 2 s  . co m
    for (Node temp = parentElement.getFirstChild(); temp != null; temp = temp.getNextSibling()) {
        if (temp.getNodeType() == Node.ELEMENT_NODE && childTag.equals(temp.getNodeName())) {
            return getNodeValue(temp);
        }
    }
    return null;
}