Null saftey for empty constructors. Fixes jooby-project#1117 (jooby-project#1118)

aclowkey · jknack · commit ff0e38bc083c · 2018-06-09T13:42:31.000-03:00
* Null saftey for empty constructors. Fixes jooby-project#1117 * Renaming to props to avoid conflic
diff --git a/modules/jooby-apitool/src/main/java/org/jooby/internal/apitool/SwaggerBuilder.java b/modules/jooby-apitool/src/main/java/org/jooby/internal/apitool/SwaggerBuilder.java
@@ -734,7 +734,7 @@ private List<Parameter> expandParameter(Map<String, Model> models, RouteParamete
     List<Parameter> parameters = new ArrayList<>();
     Model model = models.get(typeName);
     Map<String, Property> properties = model.getProperties();
-    properties.values().stream()
+    Optional.ofNullable(properties).ifPresent(props -> props.values().stream()
         .flatMap(p -> {
           SerializableParameter result = complement(p, it, factory.get());
           String name = prefix + p.getName();
@@ -752,7 +752,8 @@ private List<Parameter> expandParameter(Map<String, Model> models, RouteParamete
             return Stream.of(result);
           }
         })
-        .forEach(parameters::add);
+        .forEach(parameters::add)
+    );
     return parameters;
   }
 
