Thanks my issue is resolved.

smacdonald2008​ Thanks for the reference it helped I was trying to do two different things:1. Build a MF component for classic UI, to be used in the 'inbox' of aem workflow dialog when the corresponding user selects 'complete' / 'step back' .2. The corresponding touch UI part for the MF component to...

I have a component which is uploading my assets(pdf,image). The size of pdf is 68KB

I wanted a java/servlet function which extracts the mimeType of a file that we are putting for upload

Hi Gaurav,What do you mean by 'pdf code' that you've mentioned here. Do you mean that there's a concern coming because we deal with active content of pdf ? and that's why pdf editing is not allowed by aem?