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Page 3 of 4
Finally, to see everything in action, let's add a main() method to the AnnotationsTest class. The main() method creates two threads. Each thread simulates a different user with a different role and calls all four public instance
methods in the AnnotationsTest class. The main method is shown below:
public static void main(String[] args)
{
try
{
Thread t1 = new Thread(new Test1());
t1.start();
t1.join();
Thread t2 = new Thread(new Test2());
t2.start();
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
And here are the Test1 and Test2 classes used by the main method:
class Test1 implements Runnable
{
public void run()
{
// Add the "HR" role for this user
SecurityBlanket.addPermission("HR");
try
{
AnnotationsTest test = new AnnotationsTest();
try
{
test.unRestrictedMethod("Hi");
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
try
{
test.fullyRestrictedMethod("Hi");
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
try
{
test.partiallyRestrictedMethod("Hi");
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
try
{
test.partiallyRestrictedMethod2("Hi");
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
}
finally
{
SecurityBlanket.removePermission();
}
}
}
class Test2 implements Runnable
{
public void run()
{
// Add the "Manager" role for this user
SecurityBlanket.addPermission("Manager");
try
{
AnnotationsTest test = new AnnotationsTest();
try
{
test.unRestrictedMethod("Hi");
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
try
{
test.fullyRestrictedMethod("Hi");
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
try
{
test.partiallyRestrictedMethod("Hi");
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
try
{
test.partiallyRestrictedMethod2("Hi");
}
catch (Exception ex)
{
System.out.println(ex.getMessage());
}
}
finally
{
SecurityBlanket.removePermission();
}
}
}
When you run the AnnotationsTest class, you will see the following output:
Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::<init> Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::unRestrictedMethod Message from unRestrictedMethod: Hi Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::fullyRestrictedMethod Unauthorized access to AnnotationsTest::fullyRestrictedMethod Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::partiallyRestrictedMethod Unauthorized access to AnnotationsTest::partiallyRestrictedMethod Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::partiallyRestrictedMethod2 Message from partiallyRestrictedMethod2: Hi Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::<init> Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::unRestrictedMethod Message from unRestrictedMethod: Hi Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::fullyRestrictedMethod Unauthorized access to AnnotationsTest::fullyRestrictedMethod Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::partiallyRestrictedMethod Message from partiallyRestrictedMethod: Hi Mar 20, 2004 4:46:55 PM SecurityBlanket checkPermission INFO: Checking security access to AnnotationsTest::partiallyRestrictedMethod2 Message from partiallyRestrictedMethod2: Hi
Observe the following in the output:
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