Make GSON the default serializer

The default serialization provider for HttpClient and
HttpServletServer was Jackson.  Modified to use GSON instead.

Issue-ID: POLICY-1526
Change-Id: Ic6282d119fa63d12470903a4f1eb4da3afd6efe7
Signed-off-by: Jim Hahn <jrh3@att.com>

2 files changed, 8 insertions, 6 deletions

diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/internal/JerseyClient.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/internal/JerseyClient.java
index ccbed5d9..ab19b7ef 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/internal/JerseyClient.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/internal/JerseyClient.java
@@ -59,7 +59,7 @@ public class JerseyClient implements HttpClient {
     private static Logger logger = LoggerFactory.getLogger(JerseyClient.class);
 
     protected static final String JERSEY_DEFAULT_SERIALIZATION_PROVIDER =
-                    "org.glassfish.jersey.jackson.internal.jackson.jaxrs.json.JacksonJsonProvider";
+                    "org.onap.policy.common.gson.GsonMessageBodyHandler";
 
     protected final String name;
     protected final boolean https;
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyJerseyServer.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyJerseyServer.java
index fb43ce4c..df6823a0 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyJerseyServer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyJerseyServer.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * policy-endpoints
  * ================================================================================
- * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
  * Modifications Copyright (C) 2019-2020 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -27,6 +27,8 @@ import java.util.Map;
 import org.apache.commons.lang3.StringUtils;
 import org.eclipse.jetty.servlet.ServletHolder;
 import org.glassfish.jersey.server.ServerProperties;
+import org.onap.policy.common.endpoints.http.server.JsonExceptionMapper;
+import org.onap.policy.common.gson.GsonMessageBodyHandler;
 import org.onap.policy.common.utils.network.NetworkUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -62,10 +64,10 @@ public class JettyJerseyServer extends JettyServletServer {
     protected static final String SWAGGER_PRETTY_PRINT = "swagger.pretty.print";
 
     /**
-     * Jersey Jackson Classes Init Param Value.
+     * Jersey GSON Classes Init Param Value.
      */
-    protected static final String JERSEY_JACKSON_INIT_CLASSNAMES_PARAM_VALUE =
-            "org.glassfish.jersey.jackson.internal.jackson.jaxrs.json.JacksonJsonProvider";
+    protected static final String JERSEY_GSON_INIT_CLASSNAMES_PARAM_VALUE =
+                    String.join(",", GsonMessageBodyHandler.class.getName(), JsonExceptionMapper.class.getName());
 
     /**
      * Jersey Swagger Classes Init Param Value.
@@ -91,7 +93,7 @@ public class JettyJerseyServer extends JettyServletServer {
     /**
      * The serialization provider to be used when classes are added to the service.
      */
-    private String classProvider = JERSEY_JACKSON_INIT_CLASSNAMES_PARAM_VALUE;
+    private String classProvider = JERSEY_GSON_INIT_CLASSNAMES_PARAM_VALUE;
 
     /**
      * Constructor.