Merge pull request #595 from TechEmpower/grizzlyJsonTest

Changed structure of grizzly-bm Json test

grizzly-bm/src/main/java/org/glassfish/grizzly/bm/JsonHttpHandler.java

@@ -2,6 +2,7 @@ package org.glassfish.grizzly.bm;
 
 import com.fasterxml.jackson.core.JsonFactory;
 import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.*;
 import java.io.IOException;
 import java.util.concurrent.ExecutorService;
 import org.glassfish.grizzly.http.server.HttpHandler;
@@ -14,7 +15,10 @@ import org.glassfish.grizzly.http.util.Header;
  */
 public class JsonHttpHandler extends HttpHandler {
 
-    private final JsonFactory factory = new JsonFactory();
+    // Response message class.
+    public static class HelloMessage {
+      public final String message = "Hello, World!";
+    }
 
     @Override
     public void service(final Request request, final Response response)
@@ -22,22 +26,16 @@ public class JsonHttpHandler extends HttpHandler {
         response.setContentType("application/json");
         response.setHeader(Header.Server, Server.SERVER_VERSION);
 
-        JsonGenerator generator = null;
+        ObjectMapper MAPPER = new ObjectMapper();
 
-        try {
-            generator = factory.createGenerator(response.getOutputStream());
-            generator.writeStartObject();
-            generator.writeStringField("message", "Hello, world");
-            generator.writeEndObject();
-        } catch (IOException e) {
-            throw new IllegalStateException(e);
-        } finally {
-            if (generator != null) {
-                try {
-                    generator.close();
-                } catch (IOException e) {
-                }
-            }
+        // Write JSON encoded message to the response.
+        try
+        {
+          MAPPER.writeValue(response.getOutputStream(), new HelloMessage());
+        }
+        catch (IOException ioe) 
+        {
+          // do nothing
         }
     }