- Add iocMillis, iocNanos to default response

- Set correct response type
- Serialize byte[] as byte[] and not String

src/main/java/ch/psi/daq/queryrest/response/JsonByteArraySerializer.java

@@ -0,0 +1,30 @@
+package ch.psi.daq.queryrest.response;
+
+import java.io.IOException;
+
+import com.fasterxml.jackson.core.JsonGenerationException;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+
+// see: http://stackoverflow.com/a/15037329
+public class JsonByteArraySerializer extends StdSerializer<byte[]> {
+   private static final long serialVersionUID = -5914688899857435263L;
+
+   public JsonByteArraySerializer() {
+      super(byte[].class, true);
+   }
+
+   @Override
+   public void serialize(byte[] bytes, JsonGenerator jgen, SerializerProvider provider) throws IOException,
+         JsonGenerationException {
+      jgen.writeStartArray();
+
+      for (byte b : bytes) {
+         // stackoverflow example used a mask -> ?
+         jgen.writeNumber(b);
+      }
+
+      jgen.writeEndArray();
+   }
+}

src/main/java/ch/psi/daq/queryrest/response/ResponseStreamWriter.java

@@ -12,6 +12,7 @@ import javax.servlet.ServletResponse;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.MediaType;
 
 import com.fasterxml.jackson.core.JsonEncoding;
 import com.fasterxml.jackson.core.JsonFactory;
@@ -100,6 +101,8 @@ public class ResponseStreamWriter {
          ObjectWriter writer)
          throws IOException {
 
+      response.setCharacterEncoding(JsonEncoding.UTF8.getJavaName());
+      response.setContentType(MediaType.APPLICATION_JSON_VALUE);
       JsonGenerator generator = jsonFactory.createGenerator(response.getOutputStream(), JsonEncoding.UTF8);
       generator.writeStartArray();
       stream