# Project using a source framework with restricted access

### Layout on file system

- The Java source files for a product requires a source framework.
- "Product" and "Framework" are in separate directories which have their own source and output folders.

### Steps for defining corresponding projects

1. Click Window > Open Perspective > Other... > Java to change to the Java perspective.

2. Click File > New > Other... > Java Project to open the New Java Project wizard.

3. Type "Framework" in the Project name field.

4. Deselect Use default location.

   Click Browse... and choose the `D:\Framework` directory.

   Click Next.

5. On the next page, verify that directory `JavaSourceFiles` has been automatically added as source folder.

   Expand it to preview your project source folder contents:

6. Click Finish.

7. In Java perspective, type Ctrl+N to open New wizards dialog.

   Select Java project in the list of wizards and click Next.

8. On the next page, type "Product" in the Project name field.

9. Deselect Use default location.

   Click Browse... and choose the `D:\Product` directory.

10. Click Next.

11. On the next page, verify that directory `JavaSourceFiles` has been automatically added as source folder.

    Expand it to preview your project source folder contents:

12. Select Projects tab.

    Click Add...to add a dependency to source framework project...

13. In Required Project Selection, check "Framework".

14. Click OK to validate and close dialog.

15. Now, let's put access rules on source framework content to authorize, discourage or forbid access to "Framework" source folders, package and classes...

    In Projects tab, select "Access rules" of "Framework" depending project.

    Click Edit....

16. In Type Access Rules, click Add....

17. In Add Access Rule, select "Forbidden" for Resolution.

    Type "**/forbidden/**" in Rule Pattern field.

18. Click OK to validate access rule and close dialog.

19. Add another access rule:

    Resolution: "Discouraged" and Rule Pattern: "**/internal/**".

20. Your access rules now look as follows:

21. Click OK to validate these new rules and close dialog.

22. Dependent project has now 2 access rules set.

23. Click Finish.

24. You now have a Java project which contains the source of "Product" and which is using the source of "Framework".

    Some packages of the project "Framework" are restricted and if you try to import them, compiler displays either warnings or errors depending on your restriction level:

Java projects

New Java Project Wizard
Package Explorer View