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 com.cloud.api.commands;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.inject.Inject;
  
  
  import org.apache.cloudstack.api.APICommand;
  import org.apache.cloudstack.api.ApiErrorCode;
  import org.apache.cloudstack.api.BaseListCmd;
  import org.apache.cloudstack.api.ServerApiException;
  import org.apache.cloudstack.api.response.ListResponse;
  import com.cloud.api.response.NetscalerControlCenterResponse;
  import com.cloud.exception.ConcurrentOperationException;
  import com.cloud.exception.InsufficientCapacityException;
  import com.cloud.exception.InvalidParameterValueException;
  import com.cloud.exception.ResourceAllocationException;
  import com.cloud.exception.ResourceUnavailableException;
  import com.cloud.network.NetScalerControlCenterVO;
  import com.cloud.network.element.NetscalerLoadBalancerElementService;
  import com.cloud.utils.exception.CloudRuntimeException;
  
  @APICommand(name = "listNetscalerControlCenter", responseObject = NetscalerControlCenterResponse.class, description = "list control center", requestHasSensitiveInfo = true, responseHasSensitiveInfo = false)
  public class ListNetscalerControlCenterCmd extends BaseListCmd {
  
      private static final String s_name = "listNetscalerControlCenter";
  
      @Inject
      NetscalerLoadBalancerElementService _netsclarLbService;
  
      public static String getsName() {
          return s_name;
      }
  
      /////////////////////////////////////////////////////
      /////////////// API Implementation///////////////////
      /////////////////////////////////////////////////////
  
      @Override
      public void execute() throws ResourceUnavailableException, InsufficientCapacityException, ServerApiException,
              ConcurrentOperationException, ResourceAllocationException {
          try {
              List<NetScalerControlCenterVO> lncCenters = _netsclarLbService.listNetscalerControlCenter(this);
              if (lncCenters != null) {
                  ListResponse<NetscalerControlCenterResponse> response = new ListResponse<NetscalerControlCenterResponse>();
                  List<NetscalerControlCenterResponse> lncCentersResponse = new ArrayList<NetscalerControlCenterResponse>();
                  if (lncCenters != null && !lncCenters.isEmpty()) {
                      for (NetScalerControlCenterVO lncCentersVO : lncCenters) {
                          NetscalerControlCenterResponse lncCentreResponse = _netsclarLbService
                                  .createNetscalerControlCenterResponse(lncCentersVO);
                          lncCentersResponse.add(lncCentreResponse);
                      }
                  }
  
                  response.setResponses(lncCentersResponse);
                  response.setResponseName(getCommandName());
                  this.setResponseObject(response);
              } else {
                  throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR,
                          "Failed to list Net scalar Control Center due to some  internal error.");
              }
          } catch (InvalidParameterValueException invalidParamExcp) {
              throw new ServerApiException(ApiErrorCode.PARAM_ERROR, invalidParamExcp.getMessage());
          } catch (CloudRuntimeException runtimeExcp) {
              throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, runtimeExcp.getMessage());
          }
      }
  
      @Override
      public String getCommandName() {
          return s_name;
      }
  }
  