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

/**
 * Returns a single element having a given tag
 *///from  w  ww  .  ja  va  2  s . c  om
public static Element getSingleElement(Element element, String tagName) {
    Node node = element.getFirstChild();

    while (node != null) {
        if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().compareTo(tagName) == 0)
            return (Element) node;

        node = node.getNextSibling();
    }

    return null;
}

From source file:Main.java

/**
 * I take a xml element and the tag name, look for the tag and get
 * the text content/*  w  w w. ja v  a 2 s.c o  m*/
 * i.e for <employee><name>John</name></employee> xml snippet if
 * the Element points to employee node and tagName is 'name' I will return John
 */
public static String getTextValue(Element ele, String tagName) {

    // Look for elements first
    NodeList nl = ele.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
        Element el = (Element) nl.item(0);
        return el.getFirstChild().getNodeValue();
    }

    // If there are no elements look for an attribute
    return ele.getAttribute(tagName);
}

From source file:Main.java

public static List<String> parseChildNodesAsList(Element current, String name) {

    List<String> result = new ArrayList<String>();

    NodeList nodes = current.getElementsByTagName(name);

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

        Element e = (Element) nodes.item(i);

        Node child = e.getFirstChild();

        if (child == null)
            continue;

        result.add(child.getNodeValue());

    }//from  w w w  .j ava2 s .c  o m

    return result;
}

From source file:Main.java

private static String getValue(Element ele, String tagName) {
    String value = null;/*from www  . j  av a2s  .  c o m*/
    NodeList nl = ele.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
        Element el = (Element) nl.item(0);
        value = el.getFirstChild().getNodeValue();
    }

    return value;
}

From source file:Main.java

public static Element getFirstChild(Element e) {
    if (e == null)
        return null;
    Node n = e.getFirstChild();
    while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
        n = n.getNextSibling();/*from ww  w  . j a v  a 2s .c  o m*/
    return (Element) n;
}

From source file:Main.java

License:asdf

public static void replacePerson(Document doc, String name, String phone, String email) {
    Element newPersonNode = doc.createElement("person");

    Element nameNode = doc.createElement("name");
    newPersonNode.appendChild(nameNode);
    Text nametextNode = doc.createTextNode(name);
    nameNode.appendChild(nametextNode);//from   w ww.j  av a2 s  . c  om

    Element phoneNode = doc.createElement("phone");
    newPersonNode.appendChild(phoneNode);
    Text phonetextNode = doc.createTextNode(phone);
    phoneNode.appendChild(phonetextNode);

    Element emailNode = doc.createElement("email");
    newPersonNode.appendChild(emailNode);
    Text emailtextNode = doc.createTextNode(email);
    emailNode.appendChild(emailtextNode);

    Element root = doc.getDocumentElement();
    Element oldPersonNode = (Element) root.getFirstChild();
    root.replaceChild(newPersonNode, oldPersonNode);
}

From source file:Main.java

public static Element getChild(Element parent, String name) {
    for (Node child = parent.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child instanceof Element && name.equals(child.getNodeName())) {
            return (Element) child;
        }//w w w . j  a va 2 s .c om
    }
    return null;
}

From source file:Main.java

public static String getValue(Element item, String tag) {
    String textValue = null;//from  ww  w.  j a v a  2s .c  om

    NodeList nodes = item.getElementsByTagName(tag);
    if (nodes != null && nodes.getLength() > 0) {
        Element element = (Element) nodes.item(0);

        Node node = element.getFirstChild();

        if (node != null) {
            textValue = node.getNodeValue();
        }
    }

    return textValue;
}

From source file:Main.java

public static Map<String, String> getTagValueMap(Element ele, String language) {
    Map<String, String> map = new LinkedHashMap<String, String>();
    NodeList children = ele.getChildNodes();
    Node current = null;/* w  w w  .  ja v  a 2  s .  c  o m*/
    int count = children.getLength();
    for (int i = 0; i < count; i++) {
        current = children.item(i);
        if (current.getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) current;
            map.put(current.getNodeName(), element.getFirstChild().getNodeValue());
        }
    }
    return map;
}

From source file:Main.java

/**
 * Helper function for quickly retrieving an boolean value of a given
 * XML element./*from www  . j a v a 2 s  .  co  m*/
 * @param ele The document element from which to pull the boolean value.
 * @param tagName The name of the node.
 * @return The boolean value of the given node in the element passed in.
 */
public static boolean getBooleanValue(Element ele, String tagName) {

    boolean boolVal = false;
    NodeList nl = ele.getElementsByTagName(tagName);

    if (nl != null && nl.getLength() > 0) {
        Element el = (Element) nl.item(0);
        boolVal = el.getFirstChild().getNodeValue().equals("true");
    }

    return boolVal;
}