diff --git a/src/main/java/org/hbp/mip/controllers/ArticlesApi.java b/src/main/java/org/hbp/mip/controllers/ArticlesApi.java
index cd062d9fe12dd885b60d6484fa220d8cc57ce422..8d25fe87ae2542a236113e053220d6dd1d2fb081 100644
--- a/src/main/java/org/hbp/mip/controllers/ArticlesApi.java
+++ b/src/main/java/org/hbp/mip/controllers/ArticlesApi.java
@@ -63,7 +63,7 @@ public class ArticlesApi {
     @ApiOperation(value = "Create an article", notes = "", response = Void.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Article created")})
-    @RequestMapping(value = "", produces = {"application/json"}, method = RequestMethod.POST)
+    @RequestMapping(value = "", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.POST)
     public ResponseEntity<Void> addAnArticle(
             @RequestBody @ApiParam(value = "Article to create", required = true) Article article, Principal principal) throws NotFoundException {
         User user = MIPApplication.getUser(principal);
@@ -85,7 +85,7 @@ public class ArticlesApi {
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Found"),
             @ApiResponse(code = 404, message = "Not found")})
-    @RequestMapping(value = "/{slug}", produces = {"application/json"}, method = RequestMethod.GET)
+    @RequestMapping(value = "/{slug}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.GET)
     public ResponseEntity<Article> getAnArticle(
             @ApiParam(value = "slug", required = true) @PathVariable("slug") String slug) throws NotFoundException {
         Session session = HibernateUtil.getSessionFactory().getCurrentSession();
@@ -101,7 +101,7 @@ public class ArticlesApi {
     @ApiOperation(value = "Update an article", notes = "", response = Void.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Article updated")})
-    @RequestMapping(value = "/{slug}", produces = {"application/json"}, method = RequestMethod.PUT)
+    @RequestMapping(value = "/{slug}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.PUT)
     public ResponseEntity<Void> updateAnArticle(
             @ApiParam(value = "slug", required = true) @PathVariable("slug") String slug,
             @RequestBody @ApiParam(value = "Article to update", required = true) Article article, Principal principal) throws NotFoundException {
@@ -119,7 +119,7 @@ public class ArticlesApi {
     @ApiOperation(value = "Delete an article", notes = "", response = Void.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Article deleted")})
-    @RequestMapping(value = "/{slug}", produces = {"application/json"}, method = RequestMethod.DELETE)
+    @RequestMapping(value = "/{slug}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.DELETE)
     public ResponseEntity<Void> deleteAnArticle(
             @ApiParam(value = "slug", required = true) @PathVariable("slug") String slug) throws NotFoundException {
         // do some magic!
diff --git a/src/main/java/org/hbp/mip/controllers/DatasetsApi.java b/src/main/java/org/hbp/mip/controllers/DatasetsApi.java
index d4be2cd033bb7bc033bcb7894aba7f12a5df0cb7..e4047d18bcad304e5d9a2caa92c97e573647e279 100644
--- a/src/main/java/org/hbp/mip/controllers/DatasetsApi.java
+++ b/src/main/java/org/hbp/mip/controllers/DatasetsApi.java
@@ -27,7 +27,7 @@ public class DatasetsApi {
     @ApiOperation(value = "Get a dataset", notes = "", response = Dataset.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Success")})
-    @RequestMapping(value = "/{code}", produces = {"application/json"}, method = RequestMethod.GET)
+    @RequestMapping(value = "/{code}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.GET)
     public ResponseEntity<Dataset> getADataset(
             @ApiParam(value = "code", required = true) @PathVariable("code") String code) throws NotFoundException {
         Session session = HibernateUtil.getSessionFactory().getCurrentSession();
diff --git a/src/main/java/org/hbp/mip/controllers/GroupsApi.java b/src/main/java/org/hbp/mip/controllers/GroupsApi.java
index 2cbe4dc5ce044ec356a1060a7101aa29b2ec9e5c..bee57f824d2e22e18e78be375aec65737c3dda06 100644
--- a/src/main/java/org/hbp/mip/controllers/GroupsApi.java
+++ b/src/main/java/org/hbp/mip/controllers/GroupsApi.java
@@ -25,7 +25,7 @@ public class GroupsApi {
     @ApiOperation(value = "Get the root group (containing all subgroups)", notes = "", response = Group.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Success")})
-    @RequestMapping(value = "", produces = {"application/json"}, method = RequestMethod.GET)
+    @RequestMapping(value = "", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.GET)
     public ResponseEntity<Group> getTheRootGroup() throws NotFoundException {
         String rootCode = "root";
         Session session = HibernateUtil.getSessionFactory().getCurrentSession();
diff --git a/src/main/java/org/hbp/mip/controllers/ModelsApi.java b/src/main/java/org/hbp/mip/controllers/ModelsApi.java
index bc28a1301b580f36b8b8fb918694f6234ad770f8..a6bbd0a188020913cf0725e34e44867cd7086fd4 100644
--- a/src/main/java/org/hbp/mip/controllers/ModelsApi.java
+++ b/src/main/java/org/hbp/mip/controllers/ModelsApi.java
@@ -71,7 +71,7 @@ public class ModelsApi {
     @ApiOperation(value = "Create a model", notes = "", response = Void.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Model created")})
-    @RequestMapping(value = "", produces = {"application/json"}, method = RequestMethod.POST)
+    @RequestMapping(value = "", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.POST)
     public ResponseEntity<Void> addAModel(
             @RequestBody @ApiParam(value = "Model to create", required = true) Model model, Principal principal) throws NotFoundException {
         User user = MIPApplication.getUser(principal);
@@ -111,7 +111,7 @@ public class ModelsApi {
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Found"),
             @ApiResponse(code = 404, message = "Not found")})
-    @RequestMapping(value = "/{slug}", produces = {"application/json"}, method = RequestMethod.GET)
+    @RequestMapping(value = "/{slug}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.GET)
     public ResponseEntity<Model> getAModel(
             @ApiParam(value = "slug", required = true) @PathVariable("slug") String slug) throws NotFoundException {
         Session session = HibernateUtil.getSessionFactory().getCurrentSession();
@@ -127,7 +127,7 @@ public class ModelsApi {
     @ApiOperation(value = "Update a model", notes = "", response = Void.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Model updated")})
-    @RequestMapping(value = "/{slug}", produces = {"application/json"}, method = RequestMethod.PUT)
+    @RequestMapping(value = "/{slug}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.PUT)
     public ResponseEntity<Void> updateAModel(
             @ApiParam(value = "slug", required = true) @PathVariable("slug") String slug,
             @RequestBody @ApiParam(value = "Model to update", required = true) Model model, Principal principal) throws NotFoundException {
@@ -145,7 +145,7 @@ public class ModelsApi {
     @ApiOperation(value = "Delete a model", notes = "", response = Void.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Model deleted")})
-    @RequestMapping(value = "/{slug}", produces = {"application/json"}, method = RequestMethod.DELETE)
+    @RequestMapping(value = "/{slug}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.DELETE)
     public ResponseEntity<Void> deleteAModel(
             @ApiParam(value = "slug", required = true) @PathVariable("slug") String slug) throws NotFoundException {
         // do some magic!
diff --git a/src/main/java/org/hbp/mip/controllers/RequestsApi.java b/src/main/java/org/hbp/mip/controllers/RequestsApi.java
index 15d5bf398bf71873d927b830508e14491bc9944a..ac4968792d8025dd8bc7bad085dd8f5f07ea56e8 100644
--- a/src/main/java/org/hbp/mip/controllers/RequestsApi.java
+++ b/src/main/java/org/hbp/mip/controllers/RequestsApi.java
@@ -11,10 +11,6 @@ import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-
 import static org.springframework.http.MediaType.APPLICATION_JSON_VALUE;
 
 /**
@@ -26,20 +22,36 @@ import static org.springframework.http.MediaType.APPLICATION_JSON_VALUE;
 @javax.annotation.Generated(value = "class io.swagger.codegen.languages.SpringMVCServerCodegen", date = "2016-01-07T07:38:20.227Z")
 public class RequestsApi {
 
-    private static String RESPONSE_SRC = "/home/mirco/Workspace/GitLab/mip/target/classes/data/requestExample.json";
-
     @ApiOperation(value = "", notes = "", response = Group.class)
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Success")})
     @RequestMapping(value = "", produces = {"application/json"}, method = RequestMethod.POST)
     public ResponseEntity<String> postRequests() throws NotFoundException {
-        // Read data from file
-        String response = "";
-        try {
-            response = new String(Files.readAllBytes(Paths.get(RESPONSE_SRC)));
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
+        // Mock data
+        String response =
+                "{\n" +
+                "    \"code\": \"ib8ehpl4ic8cc0oc480w84w00cg4g0\",\n" +
+                "    \"date\": \"2016-01-18T13:56:14+0100\",\n" +
+                "    \"header\": [\n" +
+                "        \"MidTemp\"\n" +
+                "    ],\n" +
+                "    \"data\": {\n" +
+                "        \"MidTemp\": [\n" +
+                "            18422,\n" +
+                "            16972,\n" +
+                "            17330,\n" +
+                "            16398,\n" +
+                "            21614,\n" +
+                "            21386,\n" +
+                "            20474,\n" +
+                "            19867,\n" +
+                "            20398,\n" +
+                "            19741,\n" +
+                "            18595,\n" +
+                "            18018\n" +
+                "        ]\n" +
+                "    }\n" +
+                "}\n";
         return new ResponseEntity<Group>(HttpStatus.OK).ok(response);
     }
 
diff --git a/src/main/java/org/hbp/mip/controllers/UsersApi.java b/src/main/java/org/hbp/mip/controllers/UsersApi.java
index 9b9d4b01dabe986f73d332f27db2046668e7774b..a2e80e253bd55edebb44b3a462b5deb1c0456ff5 100644
--- a/src/main/java/org/hbp/mip/controllers/UsersApi.java
+++ b/src/main/java/org/hbp/mip/controllers/UsersApi.java
@@ -26,7 +26,7 @@ public class UsersApi {
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Found"),
             @ApiResponse(code = 404, message = "Not found")})
-    @RequestMapping(value = "/{username}", produces = {"application/json"}, method = RequestMethod.GET)
+    @RequestMapping(value = "/{username}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.GET)
     public ResponseEntity<User> getAUser(
             @ApiParam(value = "username", required = true) @PathVariable("username") String username) throws NotFoundException {
         Session session = HibernateUtil.getSessionFactory().getCurrentSession();
diff --git a/src/main/java/org/hbp/mip/controllers/VariablesApi.java b/src/main/java/org/hbp/mip/controllers/VariablesApi.java
index 80bdf4718dfba95882206151f418687ede3effdb..ce2f8dd8a909787718eb31cb0c233f2e61fd6d6d 100644
--- a/src/main/java/org/hbp/mip/controllers/VariablesApi.java
+++ b/src/main/java/org/hbp/mip/controllers/VariablesApi.java
@@ -33,7 +33,7 @@ public class VariablesApi {
     @ApiOperation(value = "Get variables", notes = "", response = Variable.class, responseContainer = "List")
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Success")})
-    @RequestMapping(value = "", produces = {"application/json"}, method = RequestMethod.GET)
+    @RequestMapping(value = "", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.GET)
     public ResponseEntity<List<Variable>> getVariables(
             @ApiParam(value = "List of groups formatted like : (\"val1\", \"val2\", ...)") @RequestParam(value = "group", required = false) String group,
             @ApiParam(value = "List of subgroups formatted like : (\"val1\", \"val2\", ...)") @RequestParam(value = "subgroup", required = false) String subgroup,
@@ -76,7 +76,7 @@ public class VariablesApi {
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Found"),
             @ApiResponse(code = 404, message = "Not found")})
-    @RequestMapping(value = "/{code}", produces = {"application/json"}, method = RequestMethod.GET)
+    @RequestMapping(value = "/{code}", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.GET)
     public ResponseEntity<Variable> getAVariable(
             @ApiParam(value = "code of the variable ( multiple codes are allowed, separated by \",\" )", required = true) @PathVariable("code") String code) throws NotFoundException {
         Session session = HibernateUtil.getSessionFactory().getCurrentSession();
@@ -93,7 +93,7 @@ public class VariablesApi {
     @ApiResponses(value = {
             @ApiResponse(code = 200, message = "Found"),
             @ApiResponse(code = 404, message = "Not found")})
-    @RequestMapping(value = "/{code}/values", produces = {"application/json"}, method = RequestMethod.GET)
+    @RequestMapping(value = "/{code}/values", produces = { APPLICATION_JSON_VALUE }, method = RequestMethod.GET)
     public ResponseEntity<List<Value>> getValuesFromAVariable(
             @ApiParam(value = "code", required = true) @PathVariable("code") String code,
             @ApiParam(value = "Pattern to match") @RequestParam(value = "q", required = false) String q) throws NotFoundException {
diff --git a/src/test/db b/src/test/db
index 94643e89555c876e5286933f8216f67c9bc559be..5e9b8d4352b1c9d4f2269e1c97672c1f5973070f 160000
--- a/src/test/db
+++ b/src/test/db
@@ -1 +1 @@
-Subproject commit 94643e89555c876e5286933f8216f67c9bc559be
+Subproject commit 5e9b8d4352b1c9d4f2269e1c97672c1f5973070f