Find class annotated with a given annotation using com.google.common.reflect.ClassPath

FindClassWithAnnotation.java

// Find class annotated with @ApplicationPath and extract value from annotation: @ApplicationPath("/api/*")
ClassPath cp = ClassPath.from(Thread.currentThread().getContextClassLoader());
String appPath = "";
for (ClassPath.ClassInfo classInfo : cp.getTopLevelClassesRecursive("com.github.leifoolsen")) {
    Class<?> clazz = classInfo.load();
    if(clazz.isAnnotationPresent(ApplicationPath.class)) {
        appPath = clazz.getAnnotation(ApplicationPath.class).value();
        break;
    }
}
assertEquals("/api/*", appPath);