Java Utililty Methods XML Attribute from Element

List of utility methods to do XML Attribute from Element

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Description

The list of methods to do XML Attribute from Element are organized into topic(s).

Method

booleangetElementBooleanValue(Element element, String attribute)
get Element Boolean Value 
return getElementBooleanValue(element, attribute, false);
booleangetElementBooleanValue(Element element, String attribute, boolean defaultValue)
get Element Boolean Value 
if (!element.hasAttribute(attribute))
    return defaultValue;
return Boolean.valueOf(getElementStringValue(element, attribute));
ElementgetElementByAttr(NodeList elements, String attrName)
get Element By Attr 
Element element = null;
for (int i = 0; i < elements.getLength(); i++) {
    element = (Element) elements.item(i);
    if (element.hasAttribute(attrName))
        break;
return element;
String[]getElements(Element root, String tagName, String attrName)
get Elements 
NodeList list = root.getElementsByTagName(tagName);
String[] result = new String[list.getLength()];
for (int i = 0; i < list.getLength(); i++) {
    Element el = (Element) list.item(i);
    result[i] = (attrName == null) ? el.getNodeName() : el.getAttribute(attrName);
return (result);
ListgetElementsByTagAndAttr(Element parent, String elemName, String attrName, String attrVal)
get Elements By Tag And Attr 
List<Element> result = new ArrayList<Element>();
NodeList nl = parent.getElementsByTagName(elemName);
for (int i = 0; i < nl.getLength(); i++) {
    if (nl.item(i).getNodeType() == Node.ELEMENT_NODE) {
        Element elem = (Element) nl.item(i);
        String val = elem.getAttribute(attrName);
        if (val != null && val.equals(attrVal))
            result.add(elem);
...
StringgetElementStringValue(Element element, String attribute)
get Element String Value 
return element.getAttribute(attribute);
StringgetElementStringValue(Element element, String attribute)
get Element String Value 
return element.getAttribute(attribute);
StringgetElementTextByAttr(Element modsroot, String nodename, String attrname, String attrvalue)
Retrieves text of element by attribute value (e.g. 
String str = "";
NodeList list = modsroot.getElementsByTagName(nodename);
for (int i = 0; i < list.getLength(); i++) {
    Node node = (Node) list.item(i);
    NamedNodeMap attrs = node.getAttributes();
    Attr attr = (Attr) attrs.getNamedItem(attrname);
    if (attr != null) {
        if (attr.getValue().equals(attrvalue)) {
...
CollectiongetElementValues(final String elementName, final String attributeValue, final InputStream is)
get Element Values 
final Collection<String> elementValues = new ArrayList<>();
final XMLEventReader xmlEventReader = XMLInputFactory.newInstance()
        .createXMLEventReader(new InputStreamReader(is, Charset.defaultCharset().name()));
final StringBuffer characters = new StringBuffer();
boolean read = false;
while (xmlEventReader.peek() != null) {
    final XMLEvent event = (XMLEvent) xmlEventReader.next();
    switch (event.getEventType()) {
...
StringgetFirstAttribute(Element elem, String name, String attrName)
Get the attribute value of a given attribute name for the first XML org.w3c.dom.Element of given name. 
NodeList nodeList = elem.getElementsByTagName(name);
if (nodeList.getLength() == 0) {
    return null;
return (((Element) nodeList.item(0)).getAttribute(attrName));