38 lines
1.1 KiB
Java
38 lines
1.1 KiB
Java
// annotations/UseCaseTracker.java
|
|
// (c)2021 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://OnJava8.com for more book information.
|
|
import java.util.*;
|
|
import java.util.stream.*;
|
|
import java.lang.reflect.*;
|
|
|
|
public class UseCaseTracker {
|
|
public static void
|
|
trackUseCases(List<Integer> useCases, Class<?> cl) {
|
|
for(Method m : cl.getDeclaredMethods()) {
|
|
UseCase uc = m.getAnnotation(UseCase.class);
|
|
if(uc != null) {
|
|
System.out.println("Found Use Case " +
|
|
uc.id() + "\n " + uc.description());
|
|
useCases.remove(Integer.valueOf(uc.id()));
|
|
}
|
|
}
|
|
useCases.forEach(i ->
|
|
System.out.println("Missing use case " + i));
|
|
}
|
|
public static void main(String[] args) {
|
|
List<Integer> useCases = IntStream.range(47, 51)
|
|
.boxed().collect(Collectors.toList());
|
|
trackUseCases(useCases, PasswordUtils.class);
|
|
}
|
|
}
|
|
/* Output:
|
|
Found Use Case 49
|
|
New passwords can't equal previously used ones
|
|
Found Use Case 48
|
|
no description
|
|
Found Use Case 47
|
|
Passwords must contain at least one numeric
|
|
Missing use case 50
|
|
*/
|