title: Eclipse Plugin Development : How to change file attributes of selected files?
body: <p>I am trying to create an eclipse plugin to change the selected files to read only. Created popup menu sample plugin project which when executed shows a message "New Action was executed"</p>
  
  <p>I am stuck at next step.</p>
  
  <p>How to get list of files selected, and change file attributes ?  </p>