code: public void setCodeDirectory(String codeDirectory) {
          if (codeDirectory != null && codeDirectory.trim().length() > 0) {
              File file = new File(codeDirectory);
              if (file.exists() || file.mkdirs()) {
                  this.codeDirectory = file;
              }
          }
      }
docs: httl.properties: code.directory=/tmp/javacode