Set content type in response. Fixes problems with JSON serialization.

Signed-off-by: Santiago Pericas-Geertsen <[email protected]>

Author: spericas

frameworks/Java/helidon/nima/src/main/java/io/helidon/benchmark/nima/JsonSerializer.java

@@ -72,8 +72,14 @@ public static byte[] serialize(List<?> objs) {
         try {
             stream.reset(null);
             stream.writeArrayStart();
+            int i = 0;
+            int n = objs.size();
             for (Object obj : objs) {
                 stream.writeVal(obj.getClass(), obj);
+                if (i++ < n - 1) {
+                    stream.writeMore();
+                }
+
             }
             stream.writeArrayEnd();
             return Arrays.copyOfRange(stream.buffer().data(), 0, stream.buffer().tail());

frameworks/Java/helidon/nima/src/main/java/io/helidon/benchmark/nima/services/DbService.java

@@ -6,6 +6,7 @@
 import io.helidon.benchmark.nima.models.DbRepository;
 import io.helidon.benchmark.nima.models.World;
 import io.helidon.common.parameters.Parameters;
+import io.helidon.http.HeaderValues;
 import io.helidon.webserver.http.HttpRules;
 import io.helidon.webserver.http.HttpService;
 import io.helidon.webserver.http.ServerRequest;
@@ -33,17 +34,20 @@ public void routing(HttpRules httpRules) {
 
     private void db(ServerRequest req, ServerResponse res) {
         res.header(SERVER);
+        res.header(HeaderValues.CONTENT_TYPE_JSON);
         res.send(serialize(repository.getWorld(randomWorldNumber())));
     }
 
     private void queries(ServerRequest req, ServerResponse res) {
         res.header(SERVER);
+        res.header(HeaderValues.CONTENT_TYPE_JSON);
         int count = parseQueryCount(req.query());
         res.send(serialize(repository.getWorlds(count)));
     }
 
     private void updates(ServerRequest req, ServerResponse res) {
         res.header(SERVER);
+        res.header(HeaderValues.CONTENT_TYPE_JSON);
         int count = parseQueryCount(req.query());
         List<World> worlds = repository.updateWorlds(count);
         res.send(serialize(worlds));