Added Resource class

Author: JanHolger

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

@@ -0,0 +1,32 @@
+package org.javawebstack.framework.util;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public interface Resource<T> {
+
+    void map(T source);
+
+    static <T> Resource<T> make(Class<Resource<T>> type, T source){
+        if(source == null)
+            return null;
+        try {
+            Resource<T> resource = type.newInstance();
+            resource.map(source);
+            return resource;
+        } catch (InstantiationException | IllegalAccessException e) {
+            return null;
+        }
+    }
+
+    static <T> List<Resource<T>> make(Class<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){
+        return make(type, Arrays.asList(source));
+    }
+
+}