code: private OperationHandler getHandler(String serviceName, String operationName) {
          if (serviceName == null) {
              if (logger.isDebugEnabled()) {
                  logger.debug("Service Name was null!");
              }
  
              return null;
          }
  
          if (operationName == null) {
              if (logger.isDebugEnabled()) {
                  logger.debug("Operation Name was null!");
              }
  
              return null;
          }
  
          Map<String, OperationHandler> handlers =
                  m_serviceHandlers.get(serviceName);
          if (handlers == null) {
              if (logger.isDebugEnabled()) {
                  logger.debug("No Service Handlers found for: " + serviceName);
              }
  
              return null;
          }
  
          OperationHandler handler = handlers.get(operationName);
          if (handler == null) {
              if (logger.isDebugEnabled()) {
                  logger.debug("Handler not found for: " + serviceName + "/"
                          + operationName);
              }
          }
  
          return handler;
      }
docs: Function to try and obtain a handler using the name of the current SOAP
  service and operation.
  
  @param opName
  the name of the operation
  @return OperationHandler to handle the operation