title: Converting base64 encoded pdf to file input stream without writing file to system
body: <p>I am getting a base64 PDF input as part of a request from my client, I need to convert this file into to File Input Stream to use with the PDF BOX library. I am trying to achieve this without writing the file onto drive and directly reading the base64 pdf into File Input Stream.</p>
  
  <p><strong>What I am able to do:</strong>
  Convert base64 encoded pdf to File and write on the drive
  Read the file into a File Input Stream</p>
  
  <p><strong>What I want to do:</strong>
  Convert base64 encoded PDF to File input stream to use it with PDFBOX. 
  I am trying to avoid writing the file onto the disk.</p>