Fix the sonar issue and clm issue

. Fix the bugs by using try-with-resources method
. Add unit test for GsonUtil
. Fix the org.springframework : spring-web issue by removing
  the dependency in forwarding plugin

Change-Id: I01f6461ea2a0f0363247dd3571dd56dcf68a7f90
Issue-ID: MULTICLOUD-569
Signed-off-by: liboNet <libo.zhu@intel.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/artifactbroker/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/xacml/pdp/XacmlPdpArtifactForwarder.java b/artifactbroker/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/xacml/pdp/XacmlPdpArtifactForwarder.java
index 3fe6dd8..4179fc7 100644
--- a/artifactbroker/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/xacml/pdp/XacmlPdpArtifactForwarder.java
+++ b/artifactbroker/plugins/forwarding-plugins/src/main/java/org/onap/policy/distribution/forwarding/xacml/pdp/XacmlPdpArtifactForwarder.java
@@ -52,12 +52,10 @@ import org.onap.policy.common.logging.flexlogger.FlexLogger;
 import org.onap.policy.common.logging.flexlogger.Logger;
 import org.onap.policy.common.parameters.ParameterService;
 import org.onap.policy.distribution.forwarding.ArtifactForwarder;
-import org.onap.policy.distribution.forwarding.xacml.pdp.adapters.XacmlPdpOptimizationPolicyAdapter;
 import org.onap.policy.distribution.model.CloudArtifact;
 import org.onap.policy.distribution.model.PolicyInput;
 import org.onap.policy.distribution.model.VfModuleModel;
 import org.onap.sdc.api.notification.IArtifactInfo;
-import org.springframework.http.HttpStatus;
 
 
 /**