Example usage for org.w3c.dom Document getElementsByTagName

Introduction

In this page you can find the example usage for org.w3c.dom Document getElementsByTagName.

Prototype

public NodeList getElementsByTagName(String tagname);

Source Link

Document

Returns a NodeList of all the Elements in document order with a given tag name and are contained in the document.

Usage

From source file:Main.java

public static NodeList getTestCases(String fileName) throws Exception {
    Document document = parseData(fileName);
    return document.getElementsByTagName("testcase");

}

From source file:Main.java

/**
 * Set the value of the first tag found with the given name in the given document<br/>. If the tag with the
 * requested name doesn't have a child as textnode with the tagValue is created.
 *
 * @param doc// w  w  w. ja va2  s.c  o m
 * @param tagName
 * @param tagValue
 */
public static void setTagValue(Document doc, String tagName, String tagValue) {
    NodeList tagList = doc.getElementsByTagName(tagName);
    if (tagList.getLength() > 0) {
        if (tagList.item(0).getFirstChild() != null) {
            tagList.item(0).getFirstChild().setNodeValue(tagValue);
        } else {
            tagList.item(0).appendChild(doc.createTextNode(tagValue));
        }
    }
}

From source file:Main.java

static public Element getFirstElementByTagName(Document document, String name) {
    return getFirstElement(document.getElementsByTagName(name));
}

From source file:Main.java

/**
 * Return array of elements from given path.
 * @param doc/*from www.j  a v  a 2  s .c  o m*/
 * @param path      path array ("/root/items/item")
 * @return
 */
public static List<Element> getElements(Document doc, String[] path) {
    NodeList nodes = doc.getElementsByTagName(path[0]);
    return getElements(nodes, path);
}

From source file:Main.java

/**
 * Returns the value of an attribute in the first element in a document with a given tag name.
 * This is useful for well structured documents when it is known that there is only
 * one such element and that it is has that attribute.
 * //  ww  w. j av a  2s  .c om
 * @param document The document to search within.
 * @param tagname The name of the element to access.
 * @param attributename The attribute's name.
 * @return The value of the attribute of the first respective element, or the empty string, if
 * the element of the attribute could not be found.
 */
public static String getAttribute(Document document, String tagname, String attributename) {
    NodeList list = document.getElementsByTagName(tagname);
    if (list.getLength() < 1) {
        return "";
    }
    Element tag = (Element) list.item(0);
    return tag.getAttribute(attributename);
}

From source file:Main.java

private static String getText(Document doc, String tagName, int idx) {
    NodeList nodeList = doc.getElementsByTagName(tagName);
    if (nodeList.getLength() <= 0)
        return "";
    return nodeList.item(idx).getTextContent();
}

From source file:Main.java

/**
 * Returns the text-content of the first element in a document with a given tag name.
 * This is useful for well structured documents when it is known that there is only
 * one such element.//from  w  w w . ja  va2s .  c o m
 * 
 * @param document The document to search within.
 * @param tagname The name of the element to retrieve.
 * @return The text content of the element. Text nodes therein are appended for the result, but
 * no further descendants are included. If the element could not be found, the empty string is
 * returned.
 */
public static String getNodeContent(Document document, String tagname) {
    NodeList list = document.getElementsByTagName(tagname);
    if (list.getLength() < 1) {
        //            log.debug("Not found: " + tagname);
        return "";
    }
    Element tag = (Element) list.item(0);
    NodeList content = tag.getChildNodes();
    StringBuffer buf = new StringBuffer();
    for (int i = 0; i < content.getLength(); i++) {
        Node node = content.item(i);
        if (node instanceof Text) {
            buf.append(((Text) node).getNodeValue());
        }
    }
    String textcontent = buf.toString().trim();
    //        log.debug("getNodeContent: " + tagname + " = [" + textcontent + "]");
    return textcontent;
}

From source file:Main.java

public static Node getNode(Document doc, String tagName) {
    NodeList scriptNodes = doc.getElementsByTagName(tagName);
    return scriptNodes.item(0);
}

From source file:Main.java

public static Node findNodeByTagName(Document document, String tagName) {
    Node foundNode = null;//from   w w w. ja va  2 s.com
    NodeList nodes = document.getElementsByTagName(tagName);
    if (nodes.getLength() > 0)
        foundNode = nodes.item(0);
    return foundNode;
}

From source file:Main.java

public static Vector<String> getHandsets(String file) throws Exception {
    Vector<String> vec = new Vector();
    DocumentBuilderFactory domfac = DocumentBuilderFactory.newInstance();
    DocumentBuilder dombuilder = domfac.newDocumentBuilder();
    FileInputStream is = new FileInputStream(file);

    Document doc = dombuilder.parse(is);
    NodeList nodeList = doc.getElementsByTagName("devices");
    if (nodeList != null && nodeList.getLength() >= 1) {
        Node deviceNode = nodeList.item(0);
        NodeList children = deviceNode.getChildNodes();
        if (children != null && children.getLength() >= 1) {
            for (int i = 0; i < children.getLength(); i++) {
                vec.add(children.item(i).getTextContent());
            }//from  w  ww . j av a 2 s .  co m
        }
    }
    return vec;
}