Resolved JsonElement issue for grpc server and other classes

Issue-ID: CLI-247

Signed-off-by: priyanka.akhade <priyanka.akhade@huawei.com>
Change-Id: Ifcfba782ec6454f58d1df11e6ab7db3e1a04d17b

6 files changed, 17 insertions, 24 deletions

diff --git a/framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java b/framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java
index c4be02e3..8d707906 100644
--- a/framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java
+++ b/framework/src/main/java/org/onap/cli/fw/output/print/OnapCommandPrint.java
@@ -31,8 +31,7 @@ import org.apache.commons.csv.CSVPrinter;
 import org.onap.cli.fw.error.OnapCommandOutputPrintingFailed;
 import org.onap.cli.fw.output.OnapCommandPrintDirection;
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParser;
 
 import net.minidev.json.JSONArray;
 import net.minidev.json.JSONObject;
@@ -43,7 +42,6 @@ import net.minidev.json.JSONValue;
  */
 public class OnapCommandPrint {
 
-    private static Gson gson = new GsonBuilder().serializeNulls().create();
 
     public static final int MAX_COLUMN_LENGTH = 50;
 
@@ -273,7 +271,7 @@ public class OnapCommandPrint {
                 array.add(rowO);
             }
             try {
-                return gson.toJson(array.toJSONString()).toString();
+                return new JsonParser().parse(array.toJSONString()).toString();
             } catch (Exception e) { // NOSONAR
                 // TODO Auto-generated catch block
                 return array.toJSONString();
diff --git a/framework/src/test/java/org/onap/cli/fw/output/OnapCommandResultTest.java b/framework/src/test/java/org/onap/cli/fw/output/OnapCommandResultTest.java
index 97fc9e01..d5d04888 100644
--- a/framework/src/test/java/org/onap/cli/fw/output/OnapCommandResultTest.java
+++ b/framework/src/test/java/org/onap/cli/fw/output/OnapCommandResultTest.java
@@ -32,7 +32,6 @@ import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 
 public class OnapCommandResultTest {
-    private static Gson gson = new GsonBuilder().serializeNulls().create();
 
     @Test
     @Ignore
@@ -230,10 +229,9 @@ public class OnapCommandResultTest {
         res.setRecords(list);
         res.setScope(OnapCommandResultAttributeScope.LONG);
         res.setType(OnapCommandResultType.JSON);
-
         String result = res.print();
         String expRes="[{\"param\":{\"id\":\"0001\",\"value\":\"result\"}}]";
-        assertEquals(gson.toJson(expRes),result);
+        assertEquals(expRes,result);
 
     }
 }
diff --git a/grpc/grpc-server/src/main/java/org/open/infc/grpc/server/OpenInterfaceGrpcServer.java b/grpc/grpc-server/src/main/java/org/open/infc/grpc/server/OpenInterfaceGrpcServer.java
index 8b9448b7..93b5beee 100644
--- a/grpc/grpc-server/src/main/java/org/open/infc/grpc/server/OpenInterfaceGrpcServer.java
+++ b/grpc/grpc-server/src/main/java/org/open/infc/grpc/server/OpenInterfaceGrpcServer.java
@@ -45,8 +45,7 @@ import org.open.infc.grpc.Result;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParser;
 
 import io.grpc.Server;
 import io.grpc.ServerBuilder;
@@ -55,7 +54,6 @@ import io.grpc.stub.StreamObserver;
 public class OpenInterfaceGrpcServer {
 
       private static final Logger logger = LoggerFactory.getLogger(OpenInterfaceGrpcServer.class.getName());
-    private static Gson gson = new GsonBuilder().serializeNulls().create();
 
       private static final String CONF_FILE = "oclip-grpc-server.properties";
       private static final String CONF_SERVER_PORT = "oclip.grpc_server_port";
@@ -248,7 +246,7 @@ public class OpenInterfaceGrpcServer {
                     reply.setSuccess(cmd.getResult().isPassed());
 
                     try {
-                        reply.putAttrs(OnapCommandConstants.RESULTS, gson.fromJson(printOut,String.class));
+                        reply.putAttrs(OnapCommandConstants.RESULTS, new JsonParser().parse(printOut).toString());
                     } catch (Exception e) { // NOSONAR
                         reply.putAttrs(OnapCommandConstants.RESULTS, printOut);
                     }
diff --git a/profiles/http/src/main/java/org/onap/cli/fw/http/utils/OnapCommandHttpUtils.java b/profiles/http/src/main/java/org/onap/cli/fw/http/utils/OnapCommandHttpUtils.java
index 0eb06c96..a592ac79 100644
--- a/profiles/http/src/main/java/org/onap/cli/fw/http/utils/OnapCommandHttpUtils.java
+++ b/profiles/http/src/main/java/org/onap/cli/fw/http/utils/OnapCommandHttpUtils.java
@@ -43,6 +43,8 @@ import org.slf4j.LoggerFactory;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gson.JsonElement;
+import com.google.gson.JsonParser;
+
 import com.jayway.jsonpath.JsonPath;
 import com.jayway.jsonpath.PathNotFoundException;
 
@@ -300,9 +302,10 @@ public class OnapCommandHttpUtils {
     }
 
     public static String normalizeJson(String json) throws OnapCommandHttpInvalidRequestBody {
+        JsonParser jsonParser = new JsonParser();
         JsonElement node;
         try {
-            node = gson.fromJson(json,JsonElement.class);
+            node = jsonParser.parse(json);
             normalizeJson(node);
             return gson.toJson(node);
         } catch (Exception e) {  //NOSONAR
diff --git a/validate/sample-mock-generator/src/main/java/org/onap/cli/http/mock/MockRequest.java b/validate/sample-mock-generator/src/main/java/org/onap/cli/http/mock/MockRequest.java
index 2ad9b85c..3bba8c21 100644
--- a/validate/sample-mock-generator/src/main/java/org/onap/cli/http/mock/MockRequest.java
+++ b/validate/sample-mock-generator/src/main/java/org/onap/cli/http/mock/MockRequest.java
@@ -20,8 +20,7 @@ import java.io.IOException;
 import java.net.URL;
 import java.util.Map;
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParser;
 import com.google.gson.JsonElement;
 
 public class MockRequest {
@@ -29,8 +28,6 @@ public class MockRequest {
     private String uri;
     private Map<String, String> headers;
     private JsonElement json;
-    private static Gson gson = new GsonBuilder().serializeNulls().create();
-
     public String getMethod() {
         return method;
     }
@@ -64,9 +61,10 @@ public class MockRequest {
     public void setJson(String json) throws IOException {
         if (!json.isEmpty()) {
             try {
-                this.json = gson.fromJson(json,JsonElement.class);
+                JsonParser parser = new JsonParser();
+                this.json = parser.parse(json);
             } catch (Exception e) {
-                this.json = gson.fromJson("{}",JsonElement.class);
+                this.json = new JsonParser().parse("{}");
             }
         }
 
diff --git a/validate/sample-mock-generator/src/main/java/org/onap/cli/http/mock/MockResponse.java b/validate/sample-mock-generator/src/main/java/org/onap/cli/http/mock/MockResponse.java
index 9184d3ad..30f64f20 100644
--- a/validate/sample-mock-generator/src/main/java/org/onap/cli/http/mock/MockResponse.java
+++ b/validate/sample-mock-generator/src/main/java/org/onap/cli/http/mock/MockResponse.java
@@ -18,15 +18,12 @@ package org.onap.cli.http.mock;
 
 import java.io.IOException;
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
 import com.google.gson.JsonElement;
+import com.google.gson.JsonParser;
 
 public class MockResponse {
     private int status;
     private JsonElement json;
-    private static Gson gson = new GsonBuilder().serializeNulls().create();
-
     public int getStatus() {
         return status;
     }
@@ -42,9 +39,10 @@ public class MockResponse {
     public void setJson(String json) throws IOException {
         if (json != null && !json.isEmpty()) {
             try {
-                this.json = gson.fromJson(json,JsonElement.class);
+                JsonParser parser = new JsonParser();
+                this.json = parser.parse(json);
             } catch (Exception e) {
-                this.json = gson.fromJson("{}", JsonElement.class);
+                this.json = new JsonParser().parse("{}");
             }
         }
     }