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// 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
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// specific language governing permissions and limitations
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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.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.BaseListCmd;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.ListResponse;
import org.apache.cloudstack.api.response.PhysicalNetworkResponse;
import org.apache.log4j.Logger;

import com.cloud.api.response.BigSwitchVnsDeviceResponse;
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.BigSwitchVnsDeviceVO;
import com.cloud.network.element.BigSwitchVnsElementService;
import com.cloud.utils.exception.CloudRuntimeException;

@APICommand(name = "listBigSwitchVnsDevices", responseObject=BigSwitchVnsDeviceResponse.class, description="Lists BigSwitch Vns devices", since = "4.1.0")
public class ListBigSwitchVnsDevicesCmd extends BaseListCmd {
	public static final Logger s_logger = Logger.getLogger(ListBigSwitchVnsDevicesCmd.class.getName());
    private static final String s_name = "listbigswitchvnsdeviceresponse";
    @Inject BigSwitchVnsElementService _bigswitchVnsElementService;

   /////////////////////////////////////////////////////
    //////////////// API parameters /////////////////////
    /////////////////////////////////////////////////////

    @Parameter(name=ApiConstants.PHYSICAL_NETWORK_ID, type=CommandType.UUID,
            entityType = PhysicalNetworkResponse.class,
            description="the Physical Network ID")
    private Long physicalNetworkId;

    @Parameter(name=VnsConstants.BIGSWITCH_VNS_DEVICE_ID, type=CommandType.UUID,
		entityType = BigSwitchVnsDeviceResponse.class,
            description="bigswitch vns device ID")
    private Long bigswitchVnsDeviceId;

    /////////////////////////////////////////////////////
    /////////////////// Accessors ///////////////////////
    /////////////////////////////////////////////////////

    public Long getBigSwitchVnsDeviceId() {
        return bigswitchVnsDeviceId;
    }

    public Long getPhysicalNetworkId() {
        return physicalNetworkId;
    }

    /////////////////////////////////////////////////////
    /////////////// API Implementation///////////////////
    /////////////////////////////////////////////////////

    @Override
    public void execute() throws ResourceUnavailableException, InsufficientCapacityException, ServerApiException,
    ConcurrentOperationException, ResourceAllocationException {
        try {
            List<BigSwitchVnsDeviceVO> bigswitchDevices = _bigswitchVnsElementService.listBigSwitchVnsDevices(this);
            ListResponse<BigSwitchVnsDeviceResponse> response = new ListResponse<BigSwitchVnsDeviceResponse>();
            List<BigSwitchVnsDeviceResponse> bigswitchDevicesResponse = new ArrayList<BigSwitchVnsDeviceResponse>();

            if (bigswitchDevices != null && !bigswitchDevices.isEmpty()) {
                for (BigSwitchVnsDeviceVO bigswitchDeviceVO : bigswitchDevices) {
			BigSwitchVnsDeviceResponse bigswitchDeviceResponse =
				_bigswitchVnsElementService.createBigSwitchVnsDeviceResponse(bigswitchDeviceVO);
                    bigswitchDevicesResponse.add(bigswitchDeviceResponse);
                }
            }

            response.setResponses(bigswitchDevicesResponse);
            response.setResponseName(getCommandName());
            this.setResponseObject(response);
        }  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;
    }
}
