private String processHost(String host){
  if (host != null) {
    if (ValidationUtil.isFunction(host)) {
      host=FunctionHandler.executeFunction(host,variables);
    }
 else     if (ValidationUtil.isVariable(host)) {
      host=variables.getVariable(host);
    }
    host=variables.evaluate(host);
  }
  return host;
}

private String processHost ( String host ) { if ( host != null ) { if ( ValidationUtil . isFunction ( host ) ) { host = FunctionHandler . executeFunction ( host , variables ) ; } else if ( ValidationUtil . isVariable ( host ) ) { host = variables . getVariable ( host ) ; } host = variables . evaluate ( host ) ; } return host ; }
process the value of the host and returns the actual value if it is a function or a variable definition .
