AbstractElementHandler.java 文件源码

/** Evaluates the attributes and creates a Context instance.
 * If the creation of the Context instance fails the ElementHandler
 * is marked as failed which may affect the parent handler other.
 *
 * @param attributes Attributes of the XML tag.
 */
public final void start(Attributes attributes,
                        ExceptionListener exceptionListener)
{
  try
    {
      // lets the subclass create the appropriate Context instance
      context = startElement(attributes, exceptionListener);
    }
  catch (AssemblyException pe)
    {
      Throwable t = pe.getCause();

      if (t instanceof Exception)
        exceptionListener.exceptionThrown((Exception) t);
      else
        throw new InternalError("Unexpected Throwable type in AssemblerException. Please file a bug report.");

      notifyContextFailed();

      return;
    }
}