Replace gson mapper with jackson mapper

We introduced JsonObjectMapper (wapper) as Spring component.

Issue-ID: CPS-751

Change-Id: I536b0771a3a263325e6907717baf6941d70c0d6c
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>

5 files changed, 45 insertions, 36 deletions

diff --git a/cps-rest/src/main/java/org/onap/cps/rest/controller/DataRestController.java b/cps-rest/src/main/java/org/onap/cps/rest/controller/DataRestController.java
index a55b1ba7a1..fc2818b6f6 100755
--- a/cps-rest/src/main/java/org/onap/cps/rest/controller/DataRestController.java
+++ b/cps-rest/src/main/java/org/onap/cps/rest/controller/DataRestController.java
@@ -2,7 +2,7 @@
  *  ============LICENSE_START=======================================================
  *  Copyright (C) 2020-2021 Bell Canada.
  *  Modifications Copyright (C) 2021 Pantheon.tech
- *  Modifications Copyright (C) 2021 Nordix Foundation
+ *  Modifications Copyright (C) 2021-2022 Nordix Foundation
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -22,7 +22,6 @@
 
 package org.onap.cps.rest.controller;
 
-import com.google.gson.Gson;
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
 import javax.validation.ValidationException;
@@ -32,6 +31,7 @@ import org.onap.cps.api.CpsDataService;
 import org.onap.cps.rest.api.CpsDataApi;
 import org.onap.cps.spi.FetchDescendantsOption;
 import org.onap.cps.utils.DataMapUtils;
+import org.onap.cps.utils.JsonObjectMapper;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -47,17 +47,18 @@ public class DataRestController implements CpsDataApi {
     private static final DateTimeFormatter ISO_TIMESTAMP_FORMATTER = DateTimeFormatter.ofPattern(ISO_TIMESTAMP_FORMAT);
 
     private final CpsDataService cpsDataService;
-    private final Gson gson;
+    private final JsonObjectMapper jsonObjectMapper;
 
     @Override
     public ResponseEntity<String> createNode(final String dataspaceName, final String anchorName,
         final Object jsonData, final String parentNodeXpath, final String observedTimestamp) {
+        final String jsonDataAsString = jsonObjectMapper.asJsonString(jsonData);
         if (isRootXpath(parentNodeXpath)) {
-            cpsDataService.saveData(dataspaceName, anchorName, gson.toJson(jsonData),
-                toOffsetDateTime(observedTimestamp));
+            cpsDataService.saveData(dataspaceName, anchorName, jsonDataAsString,
+                    toOffsetDateTime(observedTimestamp));
         } else {
-            cpsDataService.saveData(dataspaceName, anchorName, parentNodeXpath, gson.toJson(jsonData),
-                toOffsetDateTime(observedTimestamp));
+            cpsDataService.saveData(dataspaceName, anchorName, parentNodeXpath,
+                    jsonDataAsString, toOffsetDateTime(observedTimestamp));
         }
         return new ResponseEntity<>(HttpStatus.CREATED);
     }
@@ -73,8 +74,8 @@ public class DataRestController implements CpsDataApi {
     @Override
     public ResponseEntity<String> addListElements(final String parentNodeXpath,
         final String dataspaceName, final String anchorName, final Object jsonData, final String observedTimestamp) {
-        cpsDataService.saveListElements(dataspaceName, anchorName, parentNodeXpath, gson.toJson(jsonData),
-            toOffsetDateTime(observedTimestamp));
+        cpsDataService.saveListElements(dataspaceName, anchorName, parentNodeXpath,
+                jsonObjectMapper.asJsonString(jsonData), toOffsetDateTime(observedTimestamp));
         return new ResponseEntity<>(HttpStatus.CREATED);
     }
 
@@ -91,8 +92,8 @@ public class DataRestController implements CpsDataApi {
     @Override
     public ResponseEntity<Object> updateNodeLeaves(final String dataspaceName,
         final String anchorName, final Object jsonData, final String parentNodeXpath, final String observedTimestamp) {
-        cpsDataService.updateNodeLeaves(dataspaceName, anchorName, parentNodeXpath, gson.toJson(jsonData),
-            toOffsetDateTime(observedTimestamp));
+        cpsDataService.updateNodeLeaves(dataspaceName, anchorName, parentNodeXpath,
+                jsonObjectMapper.asJsonString(jsonData), toOffsetDateTime(observedTimestamp));
         return new ResponseEntity<>(HttpStatus.OK);
     }
 
@@ -100,8 +101,8 @@ public class DataRestController implements CpsDataApi {
     public ResponseEntity<Object> replaceNode(final String dataspaceName, final String anchorName,
         final Object jsonData, final String parentNodeXpath, final String observedTimestamp) {
         cpsDataService
-            .replaceNodeTree(dataspaceName, anchorName, parentNodeXpath, gson.toJson(jsonData),
-                toOffsetDateTime(observedTimestamp));
+                .replaceNodeTree(dataspaceName, anchorName, parentNodeXpath,
+                        jsonObjectMapper.asJsonString(jsonData), toOffsetDateTime(observedTimestamp));
         return new ResponseEntity<>(HttpStatus.OK);
     }
 
@@ -109,8 +110,8 @@ public class DataRestController implements CpsDataApi {
     public ResponseEntity<Object> replaceListContent(final String parentNodeXpath,
         final String dataspaceName, final String anchorName, final Object jsonData,
         final String observedTimestamp) {
-        cpsDataService.replaceListContent(dataspaceName, anchorName, parentNodeXpath, gson.toJson(jsonData),
-            toOffsetDateTime(observedTimestamp));
+        cpsDataService.replaceListContent(dataspaceName, anchorName, parentNodeXpath,
+                jsonObjectMapper.asJsonString(jsonData), toOffsetDateTime(observedTimestamp));
         return new ResponseEntity<>(HttpStatus.OK);
     }
 
diff --git a/cps-rest/src/main/java/org/onap/cps/rest/controller/QueryRestController.java b/cps-rest/src/main/java/org/onap/cps/rest/controller/QueryRestController.java
index 8aa65a0057..eb422dc69e 100644
--- a/cps-rest/src/main/java/org/onap/cps/rest/controller/QueryRestController.java
+++ b/cps-rest/src/main/java/org/onap/cps/rest/controller/QueryRestController.java
@@ -1,6 +1,6 @@
 /*
  *  ============LICENSE_START=======================================================
- *  Copyright (C) 2021 Nordix Foundation
+ *  Copyright (C) 2021-2022 Nordix Foundation
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -20,18 +20,18 @@
 
 package org.onap.cps.rest.controller;
 
-import com.google.gson.Gson;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 import javax.validation.Valid;
+import lombok.RequiredArgsConstructor;
 import org.onap.cps.api.CpsQueryService;
 import org.onap.cps.rest.api.CpsQueryApi;
 import org.onap.cps.spi.FetchDescendantsOption;
 import org.onap.cps.spi.model.DataNode;
 import org.onap.cps.utils.DataMapUtils;
-import org.springframework.beans.factory.annotation.Autowired;
+import org.onap.cps.utils.JsonObjectMapper;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -39,10 +39,11 @@ import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @RequestMapping("${rest.api.cps-base-path}")
+@RequiredArgsConstructor
 public class QueryRestController implements CpsQueryApi {
 
-    @Autowired
-    private CpsQueryService cpsQueryService;
+    private final CpsQueryService cpsQueryService;
+    private final JsonObjectMapper jsonObjectMapper;
 
     @Override
     public ResponseEntity<Object> getNodesByDataspaceAndAnchorAndCpsPath(final String dataspaceName,
@@ -55,6 +56,6 @@ public class QueryRestController implements CpsQueryApi {
         for (final DataNode dataNode : dataNodes) {
             dataNodeList.add(DataMapUtils.toDataMap(dataNode));
         }
-        return new ResponseEntity<>(new Gson().toJson(dataNodeList), HttpStatus.OK);
+        return new ResponseEntity<>(jsonObjectMapper.asJsonString(dataNodeList), HttpStatus.OK);
     }
 }
diff --git a/cps-rest/src/test/groovy/org/onap/cps/rest/controller/DataRestControllerSpec.groovy b/cps-rest/src/test/groovy/org/onap/cps/rest/controller/DataRestControllerSpec.groovy
index fbb5636566..4d75848cf7 100755
--- a/cps-rest/src/test/groovy/org/onap/cps/rest/controller/DataRestControllerSpec.groovy
+++ b/cps-rest/src/test/groovy/org/onap/cps/rest/controller/DataRestControllerSpec.groovy
@@ -1,6 +1,6 @@
 /*
  *  ============LICENSE_START=======================================================
- *  Copyright (C) 2021 Nordix Foundation
+ *  Copyright (C) 2021-2022 Nordix Foundation
  *  Modifications Copyright (C) 2021 Pantheon.tech
  *  Modifications Copyright (C) 2021 Bell Canada.
  *  ================================================================================
@@ -22,10 +22,12 @@
 
 package org.onap.cps.rest.controller
 
+import com.fasterxml.jackson.databind.ObjectMapper
 import org.onap.cps.api.CpsDataService
 import org.onap.cps.spi.model.DataNode
 import org.onap.cps.spi.model.DataNodeBuilder
 import org.onap.cps.utils.DateTimeUtility
+import org.onap.cps.utils.JsonObjectMapper
 import org.spockframework.spring.SpringBean
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.beans.factory.annotation.Value
@@ -50,6 +52,9 @@ class DataRestControllerSpec extends Specification {
     @SpringBean
     CpsDataService mockCpsDataService = Mock()
 
+    @SpringBean
+    JsonObjectMapper jsonObjectMapper = new JsonObjectMapper(new ObjectMapper())
+
     @Autowired
     MockMvc mvc
 
diff --git a/cps-rest/src/test/groovy/org/onap/cps/rest/controller/QueryRestControllerSpec.groovy b/cps-rest/src/test/groovy/org/onap/cps/rest/controller/QueryRestControllerSpec.groovy
index 550dec972e..1e42a0060a 100644
--- a/cps-rest/src/test/groovy/org/onap/cps/rest/controller/QueryRestControllerSpec.groovy
+++ b/cps-rest/src/test/groovy/org/onap/cps/rest/controller/QueryRestControllerSpec.groovy
@@ -1,6 +1,6 @@
 /*
  *  ============LICENSE_START=======================================================
- *  Copyright (C) 2021 Nordix Foundation
+ *  Copyright (C) 2021-2022 Nordix Foundation
  *  Modifications Copyright (C) 2021 Bell Canada.
  *  Modifications Copyright (C) 2021 Pantheon.tech
  *  ================================================================================
@@ -22,17 +22,12 @@
 
 package org.onap.cps.rest.controller
 
-import org.onap.cps.spi.model.DataNode
-
 import static org.onap.cps.spi.FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS
 import static org.onap.cps.spi.FetchDescendantsOption.OMIT_DESCENDANTS
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get
 
-import com.google.gson.Gson
-import org.modelmapper.ModelMapper
-import org.onap.cps.api.CpsAdminService
-import org.onap.cps.api.CpsDataService
-import org.onap.cps.api.CpsModuleService
+import com.fasterxml.jackson.databind.ObjectMapper
+import org.onap.cps.utils.JsonObjectMapper
 import org.onap.cps.api.CpsQueryService
 import org.onap.cps.spi.model.DataNodeBuilder
 import org.spockframework.spring.SpringBean
@@ -49,6 +44,9 @@ class QueryRestControllerSpec extends Specification {
     @SpringBean
     CpsQueryService mockCpsQueryService = Mock()
 
+    @SpringBean
+    JsonObjectMapper jsonObjectMapper = new JsonObjectMapper(new ObjectMapper())
+
     @Autowired
     MockMvc mvc
 
diff --git a/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy b/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy
index 658dcaa70e..a2eaa525e0 100644
--- a/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy
+++ b/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy
@@ -1,7 +1,7 @@
 /*
  *  ============LICENSE_START=======================================================
  *  Copyright (C) 2020 Pantheon.tech
- *  Modifications Copyright (C) 2021 Nordix Foundation
+ *  Modifications Copyright (C) 2021-2022 Nordix Foundation
  *  Modifications Copyright (C) 2021 Bell Canada.
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
@@ -38,6 +38,7 @@ import org.onap.cps.spi.exceptions.ModelValidationException
 import org.onap.cps.spi.exceptions.NotFoundInDataspaceException
 import org.onap.cps.spi.exceptions.SchemaSetInUseException
 import org.onap.cps.spi.exceptions.DataspaceInUseException
+import org.onap.cps.utils.JsonObjectMapper
 import org.spockframework.spring.SpringBean
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.beans.factory.annotation.Value
@@ -58,19 +59,22 @@ import static org.springframework.test.web.servlet.request.MockMvcRequestBuilder
 class CpsRestExceptionHandlerSpec extends Specification {
 
     @SpringBean
-    CpsAdminService mockCpsAdminService = Mock()
+    CpsAdminService mockCpsAdminService = Stub()
 
     @SpringBean
-    CpsModuleService mockCpsModuleService = Mock()
+    CpsModuleService mockCpsModuleService = Stub()
 
     @SpringBean
-    CpsDataService mockCpsDataService = Mock()
+    CpsDataService mockCpsDataService = Stub()
 
     @SpringBean
-    CpsQueryService mockCpsQueryService = Mock()
+    CpsQueryService mockCpsQueryService = Stub()
 
     @SpringBean
-    ModelMapper modelMapper = Mock()
+    ModelMapper modelMapper = Stub()
+
+    @SpringBean
+    JsonObjectMapper jsonObjectMapper = Stub()
 
     @Autowired
     MockMvc mvc