39 lines
1.2 KiB
Java
39 lines
1.2 KiB
Java
// annotations/UseCaseTracker.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import java.lang.reflect.*;
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import java.util.*;
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public class UseCaseTracker {
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public static void
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trackUseCases(List<Integer> useCases, Class<?> cl) {
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for(Method m : cl.getDeclaredMethods()) {
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UseCase uc = m.getAnnotation(UseCase.class);
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if(uc != null) {
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System.out.println("Found Use Case:" + uc.id() +
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" " + uc.description());
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useCases.remove(new Integer(uc.id()));
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}
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}
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for(int i : useCases) {
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System.out.println(
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"Warning: Missing use case-" + i);
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}
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}
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public static void main(String[] args) {
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// <* Can't use Arrays.asList() for some reason *>
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List<Integer> useCases = new ArrayList<>();
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Collections.addAll(useCases, 47, 48, 49, 50);
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trackUseCases(useCases, PasswordUtils.class);
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}
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}
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/* Output:
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Found Use Case:49 New passwords can't equal previously used
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ones
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Found Use Case:47 Passwords must contain at least one
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numeric
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Found Use Case:48 no description
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Warning: Missing use case-50
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*/
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