Limit File Size with Bean Shell Validator

To configure the Bean Shell validator for the file upload element:

1. Access the File Upload Element in your form and select the Bean Shell Validator.
2. Insert the following Validation Code into the script section of the Bean Shell validator.
   

   import org.joget.apps.form.service.FormUtil;
   import org.joget.commons.util.FileManager;
    
   boolean result = true;
   String[] values = FormUtil.getElementPropertyValues(element, formData);
   long totalSize = 0;
   long maxSize = 5000000;
   String errorMessage = "";
    
   for (String value : values) {
       File file = FileManager.getFileByPath(value);
       if (file != null) {
           totalSize += file.length();
           errorMessage += file.getName() + "(" + file.length()/1048576 + ") " + " | ";
       }
   }
   if (totalSize > maxSize) {
       String id = FormUtil.getElementParameterName(element);
       formData.addFormError(id, "Max size(MB) (" + maxSize/1000000 + ") | " + errorMessage);
       result = false;
   }
    
   return result;

Video Tutorial

This video will teach you how to create a sample app and use a BeanShell Validator to limit file upload size.

Related documentation

• Bean Shell Validator