close JsonWriters

CHANGES.md

@@ -2,6 +2,7 @@
 ## Fixes
 * Log accessory names instead of futures. [#150](https://github.com/hap-java/HAP-Java/issues/150)
 * Fix rotation speed data type (BREAKING API CHANGE). According to HAP specification it must be float
+* Close JsonWriters [#149](https://github.com/hap-java/HAP-Java/issues/149)
 
 # HAP-Java 2.0.0
 * major refactoring to support optional characteristics

src/main/java/io/github/hapjava/server/impl/json/AccessoryController.java

@@ -18,6 +18,7 @@
 import javax.json.JsonArrayBuilder;
 import javax.json.JsonObject;
 import javax.json.JsonObjectBuilder;
+import javax.json.JsonWriter;
 
 public class AccessoryController {
 
@@ -64,9 +65,9 @@ public HttpResponse listing() throws Exception {
               .add("services", serviceArrayBuilders.get(accessory.getId())));
     }
 
-    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
-      Json.createWriter(baos)
-          .write(Json.createObjectBuilder().add("accessories", accessories).build());
+    try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        JsonWriter jsonWriter = Json.createWriter(baos)) {
+      jsonWriter.write(Json.createObjectBuilder().add("accessories", accessories).build());
       return new HapJsonResponse(baos.toByteArray());
     }
   }

src/main/java/io/github/hapjava/server/impl/json/CharacteristicsController.java

@@ -58,10 +58,10 @@ public HttpResponse get(HttpRequest request) throws Exception {
             "Accessory " + aid + " has no characteristics or does not exist. Request: " + uri);
       }
     }
-    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
-      Json.createWriter(baos)
-          .write(
-              Json.createObjectBuilder().add("characteristics", characteristics.build()).build());
+    try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        JsonWriter jsonWriter = Json.createWriter(baos)) {
+      jsonWriter.write(
+          Json.createObjectBuilder().add("characteristics", characteristics.build()).build());
       return new HapJsonResponse(baos.toByteArray());
     }
   }

src/main/java/io/github/hapjava/server/impl/json/EventController.java

@@ -9,6 +9,7 @@
 import javax.json.JsonArrayBuilder;
 import javax.json.JsonObject;
 import javax.json.JsonObjectBuilder;
+import javax.json.JsonWriter;
 
 public class EventController {
 
@@ -24,8 +25,9 @@ public HttpResponse getMessage(int accessoryId, int iid, EventableCharacteristic
 
     JsonObject data = Json.createObjectBuilder().add("characteristics", characteristics).build();
 
-    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
-      Json.createWriter(baos).write(data);
+    try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        JsonWriter jsonWriter = Json.createWriter(baos)) {
+      jsonWriter.write(data);
       byte[] dataBytes = baos.toByteArray();
 
       return new EventResponse(dataBytes);
@@ -44,9 +46,9 @@ public HttpResponse getMessage(ArrayList<PendingNotification> notifications) thr
     }
 
     JsonObject data = Json.createObjectBuilder().add("characteristics", characteristics).build();
-
-    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
-      Json.createWriter(baos).write(data);
+    try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        JsonWriter jsonWriter = Json.createWriter(baos)) {
+      jsonWriter.write(data);
       byte[] dataBytes = baos.toByteArray();
 
       return new EventResponse(dataBytes);