Creating resource filters
  Resource filters allow the user to configure systematically which
  file system files and folders are included in the workspace during the refresh operation.
  To create a resource filter:
  
    - In one of the navigation views, right-click the project or folder where you want to create the resource
    filter.
- From the pop-up menu, select Properties. The properties dialog will open.
- Expand the Resource section.
- Click the Resource Filters section.
- Click Add....
- Specify the filter type, to what entries it applies to, and enter the condition.
- Click OK.
- Click OK.
Resources Filters
  Resources
  Resource hierarchies