1. Security Managers and Permissions

2. Contents
Problem Description
Solution

3. I. Problem Description
Develop a program that allows the user to check whether the text input contains bad words or not.
A sentence is considered to have bad words if it contains either “sex” or “drug”. However, the sentence is not bad if it contains either “drugget”, “druggist”, or “drugstore”.
A sample GUI is shown in the next slide.

5. II. Solution Developing the Model Developing the View
Adding a Listener to Insert Button

6. 1. Developing the Model
1.1 Creating a .policy File in the Project's Root Folder
1.2 Developing the Test Class
1.3 Developing the WordCheck Class
1.4 Developing the WordPermission Class
1.5 Running the Test Class

7. 1.1 Creating a .policy File in the Project's Root Folder
This policy is for two actions: avoid and insert

8. 1.2 Developing the Test Class
java -Djava.security.manager -Djava.security.policy=WordPermission.policy
permission.model.WordCheckTest

9. 1.3 Developing the WordCheck Class

10. 1.4 Developing the WordPermission Class

13. 1.5 Running the Test Class
MUST run using the command line!

14. 2. Developing the View

16. 3. Adding a Listener to Insert Button
3.1 Setting the Policy
3.2 Developing the Listener

17. 3.1 Setting the Policy

18. 3.2 Developing the Listener