How to use

queryString

method

in

sirius.kernel.xml.StructuredNode

/**
 * Queries a {@link sirius.kernel.commons.Value} by evaluating the given xpath.
 *
 * @param path the xpath used to retrieve property
 * @return a Value wrapping the value returned by the given xpath expression
 * @throws java.lang.IllegalArgumentException if an invalid xpath was given
 */
@Nonnull
public Value queryValue(String path) {
  return Value.of(queryString(path));
}

/**
 * Checks whether a node or non-empty content is reachable via the given
 * XPath.
 *
 * @param path the xpath to be checked
 * @return <tt>true</tt> if a node or non empty property was found, <tt>false</tt> otherwise
 * @throws IllegalArgumentException if an invalid xpath was given
 */
public boolean isFilled(String path) {
  return Strings.isFilled(queryString(path));
}

/**
 * Checks whether a node is not reachable or has empty content via the given
 * XPath.
 *
 * @param path the xpath to be checked
 * @return <tt>true</tt> if no node or a empty property was found, <tt>false</tt> otherwise
 * @throws IllegalArgumentException if an invalid xpath was given
 */
public boolean isEmpty(String path) {
  return Strings.isEmpty(queryString(path));
}

XMLReader r = new XMLReader();
 r.addHandler("node", new NodeHandler() {
  @Override
  public void process(StructuredNode node) {
   System.out.println(node.queryString("name"));
   System.out.println(node.queryValue("price").asDouble(0d));
  }
 });
 r.parse(new FileInputStream("src/examples/test.xml"));