content: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  package org.apache.cloudstack.api.command.admin.network;
  
  import java.util.ArrayList;
  import java.util.List;
  
  
  import org.apache.cloudstack.api.APICommand;
  import org.apache.cloudstack.api.ApiConstants;
  import org.apache.cloudstack.api.BaseListCmd;
  import org.apache.cloudstack.api.Parameter;
  import org.apache.cloudstack.api.response.ListResponse;
  import org.apache.cloudstack.api.response.ServiceResponse;
  
  import com.cloud.exception.InvalidParameterValueException;
  import com.cloud.network.Network;
  import com.cloud.network.Network.Service;
  import com.cloud.user.Account;
  
  @APICommand(name = "listSupportedNetworkServices",
              description = "Lists all network services provided by CloudStack or for the given Provider.",
              responseObject = ServiceResponse.class,
              since = "3.0.0",
              requestHasSensitiveInfo = false,
              responseHasSensitiveInfo = false)
  public class ListSupportedNetworkServicesCmd extends BaseListCmd {
  
      @Parameter(name = ApiConstants.PROVIDER, type = CommandType.STRING, description = "network service provider name")
      private String providerName;
  
      @Parameter(name = ApiConstants.SERVICE, type = CommandType.STRING, description = "network service name to list providers and capabilities of")
      private String serviceName;
  
      /////////////////////////////////////////////////////
      //////////////// API parameters /////////////////////
      /////////////////////////////////////////////////////
  
      /////////////////////////////////////////////////////
      /////////////////// Accessors ///////////////////////
      /////////////////////////////////////////////////////
  
      public void setProviderName(String providerName) {
          this.providerName = providerName;
      }
  
      public String getProviderName() {
          return providerName;
      }
  
      public String getServiceName() {
          return serviceName;
      }
  
      /////////////////////////////////////////////////////
      /////////////// API Implementation///////////////////
      /////////////////////////////////////////////////////
      @Override
      public long getEntityOwnerId() {
          return Account.ACCOUNT_ID_SYSTEM;
      }
  
      @Override
      public void execute() {
          List<? extends Network.Service> services;
          if (getServiceName() != null) {
              Network.Service service = null;
              if (serviceName != null) {
                  service = Network.Service.getService(serviceName);
                  if (service == null) {
                      throw new InvalidParameterValueException("Invalid Network Service=" + serviceName);
                  }
              }
              List<Network.Service> serviceList = new ArrayList<Network.Service>();
              serviceList.add(service);
              services = serviceList;
          } else {
              services = _networkService.listNetworkServices(getProviderName());
          }
  
          ListResponse<ServiceResponse> response = new ListResponse<ServiceResponse>();
          List<ServiceResponse> servicesResponses = new ArrayList<ServiceResponse>();
          for (Network.Service service : services) {
              //skip gateway service
              if (service == Service.Gateway) {
                  continue;
              }
              ServiceResponse serviceResponse = _responseGenerator.createNetworkServiceResponse(service);
              servicesResponses.add(serviceResponse);
          }
  
          response.setResponses(servicesResponses);
          response.setResponseName(getCommandName());
          this.setResponseObject(response);
      }
  }
  