content: package org.openstack4j.openstack.gbp.internal;
  
  import org.openstack4j.api.gbp.NetworkPolicyService;
  import org.openstack4j.model.common.ActionResponse;
  import org.openstack4j.model.gbp.NetworkServicePolicy;
  import org.openstack4j.openstack.gbp.domain.GbpNetworkServicePolicy;
  import org.openstack4j.openstack.gbp.domain.GbpNetworkServicePolicy.NetworkServicePolicies;
  import org.openstack4j.openstack.networking.internal.BaseNetworkingServices;
  
  import java.util.List;
  import java.util.Map;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  /**
   * Network service policy API Implementation
   *
   * @author sumit gandhi
   */
  public class NetworkPolicyServiceImpl extends BaseNetworkingServices implements NetworkPolicyService {
  
      /**
       * {@inheritDoc}
       */
      @Override
      public List<? extends NetworkServicePolicy> list() {
          return get(NetworkServicePolicies.class, uri("/grouppolicy/network_service_policies")).
                  execute().getList();
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public List<? extends NetworkServicePolicy> list(Map<String, String> filteringParams) {
          Invocation<NetworkServicePolicies> natpoolInvocation = buildInvocation(filteringParams);
          return natpoolInvocation.execute().getList();
      }
  
      private Invocation<NetworkServicePolicies> buildInvocation(Map<String, String> filteringParams) {
          Invocation<NetworkServicePolicies> servicePoliciesInvocation = get(NetworkServicePolicies.class, "/grouppolicy/network_service_policies");
          if (filteringParams == null) {
              return servicePoliciesInvocation;
          }
          if (filteringParams != null) {
              for (Map.Entry<String, String> entry : filteringParams.entrySet()) {
                  servicePoliciesInvocation = servicePoliciesInvocation.param(entry.getKey(), entry.getValue());
              }
          }
          return servicePoliciesInvocation;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public NetworkServicePolicy get(String id) {
          checkNotNull(id);
          return get(GbpNetworkServicePolicy.class, uri("/grouppolicy/network_service_policies/%s", id)).execute();
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public GbpNetworkServicePolicy create(NetworkServicePolicy gbpServicePolicy) {
          return post(GbpNetworkServicePolicy.class, uri("/grouppolicy/network_service_policies")).entity(gbpServicePolicy).execute();
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public ActionResponse delete(String id) {
          checkNotNull(id);
          return deleteWithResponse(uri("/grouppolicy/network_service_policies/%s", id)).execute();
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public NetworkServicePolicy update(String gbpServicePolicyId, NetworkServicePolicy gbpServicePolicy) {
          checkNotNull(gbpServicePolicy);
          checkNotNull(gbpServicePolicyId);
          return put(GbpNetworkServicePolicy.class, uri("/grouppolicy/network_service_policies/%s", gbpServicePolicyId)).
                  entity(gbpServicePolicy).execute();
      }
  
  }
  