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 List<Element> getChildren(Element element, String tagName) {
    NodeList nodes = element.getElementsByTagName(tagName);

    List<Element> elements = new ArrayList<>(nodes.getLength());
    for (int i = 0; i < nodes.getLength(); i++) {
        elements.add((Element) nodes.item(i));
    }/*  ww  w  . j  a va 2  s  . c  om*/
    return elements;
}

From source file:Main.java

public static Node getElementByTagName(Element element, String tagname) {

    NodeList nodeList = element.getElementsByTagName(tagname);

    if (nodeList != null && nodeList.getLength() > 0) {

        return nodeList.item(0);
    } else {//from   w  w w .  ja  v  a2  s. co  m

        return null;
    }
}

From source file:Main.java

public static Element getChildElement(Element p_rootElement, String p_elementName) {
    NodeList nodeList = p_rootElement.getElementsByTagName(p_elementName);
    // if (nodeList.getLength() >= 0)
    return (Element) nodeList.item(0);
    // return null;
}

From source file:Main.java

public static List<String> getElementTextList(final Element eElement, final String name) {
    NodeList nodeList = eElement.getElementsByTagName(name);
    if (nodeList != null && nodeList.getLength() > 0) {
        int length = nodeList.getLength();
        List<String> nodeItems = new ArrayList<String>();
        for (int index = 0; index < length; ++index) {
            nodeItems.add(nodeList.item(index).getTextContent().trim());
        }/*from  w ww  . j a  v a 2  s . c  o  m*/
        return nodeItems;
    }

    return Collections.EMPTY_LIST;
}

From source file:Main.java

public static String getFirstChildNodeAttributeValue(Element parent, String nodeName) {
    return parent.getElementsByTagName(nodeName).item(0).getFirstChild().getNodeValue();
}

From source file:Main.java

/**
 *
 * @param document//from  www .j  a  va 2 s.  com
 * @param tagName
 * @return
 */
public static String getTagValueAsString(Document document, String tagName) {
    if (document == null || tagName == null || tagName.length() == 0)
        return null;

    String tagValue = null;
    NodeList nlist = null;
    Element element = null;

    Element root = document.getDocumentElement();

    nlist = root.getElementsByTagName(tagName);
    element = (Element) nlist.item(0);
    if (element.hasChildNodes()) {
        tagValue = element.getFirstChild().getNodeValue();
    }
    return tagValue;
}

From source file:Main.java

public static Element getElement(Element item, String tag) {
    NodeList nodes = item.getElementsByTagName(tag);
    if (nodes != null && nodes.getLength() > 0) {

        Element element = (Element) nodes.item(0);

        String nodeName = null;//from ww w  .  ja v  a 2 s.  c o  m
        if (element != null) {
            nodeName = element.getNodeName();
        }

        if (nodeName != null && nodeName.compareTo(tag) == 0) {
            return element;
        }
    }

    return null;
}

From source file:Main.java

private static String getTextValue(Element ele, String tagName) {
    String textVal = null;//w w  w .  java 2s  .c o  m
    NodeList nl = ele.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
        Element el = (Element) nl.item(0);
        textVal = el.getFirstChild().getNodeValue();
    }

    return textVal;
}

From source file:Main.java

public static Element nthElement(Element parent, String elementName, int index) {
    NodeList nds = parent.getElementsByTagName(elementName);
    if (nds.getLength() < index)
        throw new NoSuchElementException();
    Element node = (Element) nds.item(index - 1);
    return node;/*from w ww.  j a  v  a2  s. c om*/
}

From source file:Main.java

public static List<Element> getChildElements(Element parent, String tagName) {
    NodeList nodes = parent.getElementsByTagName(tagName);
    ArrayList elements = new ArrayList();

    for (int i = 0; i < nodes.getLength(); ++i) {
        Node node = nodes.item(i);
        if (node instanceof Element && node.getParentNode() == parent) {
            elements.add((Element) node);
        }/*w  ww  .jav a  2s  .c  o  m*/
    }

    return elements;
}