How to use

isStringIdentifier

method

in

org.arakhne.afc.inputoutput.xml.XMLResources

/** Replies the resource URL that is contained inside the XML attribute
 * defined in the given node and with the given XML path.
 *
 * @param node is the XML node to read.
 * @param resources is the collection of resources to read.
 * @param path is the XML path, relative to the node, of the attribute. The last
 *     element of the array is the name of the attribute.
 * @return the resource URL, or <code>null</code> if it cannot be retrieved.
 */
@Pure
public static URL readResourceURL(Element node, XMLResources resources, String... path) {
  final String stringValue = getAttributeValue(node, path);
  if (XMLResources.isStringIdentifier(stringValue)) {
    try {
      final long id = XMLResources.getNumericalIdentifier(stringValue);
      return resources.getResourceURL(id);
    } catch (Throwable exception) {
      //
    }
  }
  return null;
}

String sattr = XMLUtil.getAttributeValueWithDefault(xmlNode, null, MapElementLayer.ATTR_ELEMENT_ATTRIBUTES_URL);
if (sattr != null && sattr.length() > 0) {
  if (XMLResources.isStringIdentifier(sattr)) {
    final long id = XMLResources.getNumericalIdentifier(sattr);
    final Entry resource = resources.getResource(id);
sattr = XMLUtil.getAttributeValueWithDefault(xmlNode, null, MapElementLayer.ATTR_ELEMENT_GEOMETRY_URL);
if (sattr != null && sattr.length() > 0) {
  if (XMLResources.isStringIdentifier(sattr)) {
    final long id = XMLResources.getNumericalIdentifier(sattr);
    final Entry resource = resources.getResource(id);