adding generic typing to JsonView

src/main/java/com/monitorjbl/json/JsonView.java

@@ -6,13 +6,13 @@
 /**
  * Allows runtime alteration of JSON responses
  */
-public class JsonView {
+public class JsonView<T> {
   private static final ThreadLocal<JsonView> current = new ThreadLocal<>();
 
-  private final Object value;
+  private final T value;
   private final Map<Class<?>, Match> matches = new HashMap<>();
 
-  private JsonView(Object value) {
+  private JsonView(T value) {
     this.value = value;
     current.set(this);
   }
@@ -25,18 +25,23 @@ Match getMatch(Class<?> cls) {
     return matches.get(cls);
   }
 
-  public JsonView onClass(Class<?> cls, Match match) {
+  public JsonView<T> onClass(Class<?> cls, Match match) {
     matches.put(cls, match);
     return this;
   }
 
+  /**
+   * Returns the object the {@code JsonView} was initiated with
+   *
+   * @return
+   */
   @SuppressWarnings("unchecked")
-  public <E> E build() {
-    return (E) value;
+  public T returnValue() {
+    return value;
   }
 
-  public static JsonView with(Object value) {
-    return new JsonView(value);
+  public static <E> JsonView<E> with(E value) {
+    return new JsonView<>(value);
   }
 
   static JsonView get() {

src/test/java/com/monitorjbl/json/server/JsonController.java

@@ -64,7 +64,7 @@ public TestObject beanWithReturn() {
         .onClass(TestObject.class, Match.match()
             .exclude("int1")
             .include("ignoredDirect"))
-        .build();
+        .returnValue();
   }
 
   @RequestMapping(method = RequestMethod.GET, value = "/list")