Example usage for org.w3c.dom Element getElementsByTagName

Introduction

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

Prototype

public NodeList getElementsByTagName(String name);

Source Link

Document

Returns a NodeList of all descendant Elements with a given tag name, in document order.

Usage

From source file:Main.java

public static HashMap<String, Element> buildIndex(Element element, String tagName, String idName) {
    NodeList nl = element.getElementsByTagName(tagName);
    HashMap<String, Element> index = new HashMap<>(nl.getLength());
    for (int i = 0; i < nl.getLength(); i++) {
        Element el = (Element) nl.item(i);
        String id = el.getAttribute(idName);
        if (!id.isEmpty())
            index.put(id, el);/*from w  w  w.ja  v  a 2 s.c  o  m*/
    }
    return index;
}

From source file:Main.java

public static HashMap<String, Element> createIndex(Element root, String tagName, String idName) {
    NodeList nodes = root.getElementsByTagName(tagName);
    HashMap<String, Element> index = new HashMap<>(nodes.getLength());
    for (int i = 0; i < nodes.getLength(); i++) {
        Element el = (Element) nodes.item(i);
        String key = el.getAttribute(idName);
        if (!key.isEmpty())
            index.put(key, el);//w ww.j  a  v a  2 s .c  o m
    }
    return index;
}

From source file:com.codebutler.rsp.Util.java

public static String getChildNodeValue(Element element, String tagName) {
    return element.getElementsByTagName(tagName).item(0).getFirstChild().getNodeValue();
}

From source file:Main.java

/**
 * //from  w ww .j  a va  2  s  .  co  m
 * @param element
 * @param nodeName
 * @return Element
 */
public static Element getFirstElement(final Element element, final String nodeName) {
    final NodeList list = element.getElementsByTagName(nodeName);

    if (list.getLength() == 0) {
        return null;
    }

    return (Element) list.item(0);
}

From source file:Main.java

public static void addSimpleOutput(Element success, Document outDoc, String tagName, String value) {
    Element output = (Element) success.getElementsByTagName("output").item(0);
    Element outItem = outDoc.createElement(tagName);
    outItem.setTextContent(value);//from   ww  w  . j  a  v  a  2 s  .  co  m
    output.appendChild(outItem);
}

From source file:Main.java

/**
 * Searches for the element with the specified name in the whole subtree of
 * element.//from   w w  w .  ja  va 2s .co  m
 * 
 * @param element
 * @param localName
 * @return
 */
public static Element findElement(Element element, String localName) {
    NodeList nList = element.getElementsByTagName(localName);
    if (nList.getLength() == 0) {
        return null;
    }
    return (Element) nList.item(0);
}

From source file:Main.java

public static Element getElementWithKeyFromElement(final Element element, final String key) {
    final NodeList nodeList = element.getElementsByTagName(key);
    Element result = null;//from w  w  w .ja va2s . c  o m
    if (nodeList.getLength() > 0) {
        result = (Element) nodeList.item(0);
    }
    return result;
}

From source file:Main.java

/**
 * sets the value of an Element in the Xml Document.
 * finds the first occurance of the element and sets its value.
 * @param root the root Element./*w  w  w.  ja  v  a 2s  . com*/
 * @param elemName the name of the element to search for.
 * @return String the element value or null if not found.
 */
public static void setNodeValue(Document doc, String elemName, String value) {
    Element root = doc.getDocumentElement();
    NodeList nl = root.getElementsByTagName(elemName);
    if (null != nl) {
        Node n = nl.item(0);
        if (null != n) {
            n.getFirstChild().setNodeValue(value);
        } else {
            addNode(doc, elemName, value);
        }
    } else {
        addNode(doc, elemName, value);
    }

}

From source file:Main.java

public static NodeList getNodeList(Element element, String tagName) {
    return element.getElementsByTagName(tagName);
}

From source file:Main.java

public static List<Element> elements(Element element, String tagName) {
    NodeList nodeList = element.getElementsByTagName(tagName);
    List<Element> elements = new java.util.ArrayList<Element>(nodeList.getLength());
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node child = nodeList.item(i);
        if (child.getParentNode() == element) {
            elements.add((Element) child);
        }//w ww.j a v  a2 s.com
    }
    return elements;
}