Fixed Resource class

Author: JanHolger

src/main/java/org/javawebstack/framework/util/Resource.java

@@ -9,7 +9,7 @@ public interface Resource<T> {
 
     void map(T source);
 
-    static <T> Resource<T> make(Class<Resource<T>> type, T source){
+    static <T> Resource<T> make(Class<? extends Resource<T>> type, T source){
         if(source == null)
             return null;
         try {
@@ -21,11 +21,11 @@ static <T> Resource<T> make(Class<Resource<T>> type, T source){
         }
     }
 
-    static <T> List<Resource<T>> make(Class<Resource<T>> type, List<T> source){
+    static <T> List<Resource<T>> make(Class<? extends Resource<T>> type, List<T> source){
         return source.stream().map(s -> make(type, s)).filter(Objects::nonNull).collect(Collectors.toList());
     }
 
-    static <T> List<Resource<T>> make(Class<Resource<T>> type, T... source){
+    static <T> List<Resource<T>> make(Class<? extends Resource<T>> type, T... source){
         return make(type, Arrays.asList(source));
     }