public Task removeDevices()

in src/com/vmware/vim25/mox/VirtualMachineDeviceManager.java [761:850]
77 lines of code
19 McCabe index (conditional complexity)

  public Task removeDevices(List<VirtualDevice> deviceList, boolean destroyDeviceBacking) throws InvalidName, VmConfigFault, DuplicateName, TaskInProgress, FileFault, InvalidState, ConcurrentAccess, InvalidDatastore, InsufficientResourcesFault, RuntimeFault, RemoteException 
  {
    List<VirtualDeviceConfigSpec> configSpecList = new ArrayList<VirtualDeviceConfigSpec>();

    boolean allDevicesSupportHotRemoval = allSupportHotRemoval(deviceList);
    VirtualMachinePowerState powerState = vm.getRuntime().getPowerState();
    if (!allDevicesSupportHotRemoval && powerState!= VirtualMachinePowerState.poweredOff ) 
    {
      throw new RuntimeException("Invalid power state: power off the VM first.");
    }

    for(VirtualDevice device : deviceList) 
    {
      try 
      {
        // Empty SCSI controller removal
        // If the device's SCSI controller will get free after device removal
        // then also remove the controller. But only if the VM is powered off.
        if (device instanceof VirtualDisk && powerState == VirtualMachinePowerState.poweredOff) 
        {
          List<VirtualSCSIController> contollerList = getVirtualDevicesOfType(VirtualSCSIController.class);
          for(VirtualSCSIController controller : contollerList) 
          {
            if (controller.key == device.controllerKey) 
            {
              if (controller.device.length == 1 && controller.device[0] == device.key) 
              {
                 VirtualDeviceConfigSpec controllerSpec = new VirtualDeviceConfigSpec();
                 controllerSpec.operation = VirtualDeviceConfigSpecOperation.remove;
                 controllerSpec.device = controller;
                 configSpecList.add(controllerSpec);
              }
              break;
            }
          }
         }

         //region Usb controller removal.
         // If the device's SCSI controller will get free after device removal, also remove the controller.
         if (device instanceof VirtualUSB) 
         {
           //TODO remove duplication of this and above section of code
           List<VirtualUSBController> contollerList = getVirtualDevicesOfType(VirtualUSBController.class);
           for (VirtualUSBController controller : contollerList) 
           {
             if (controller.key == device.controllerKey) 
             {
               if (controller.device.length == 1 && controller.device[0] == device.key) 
               {
                 VirtualDeviceConfigSpec controllerSpec = new VirtualDeviceConfigSpec();
                 controllerSpec.operation = VirtualDeviceConfigSpecOperation.remove;
                 controllerSpec.device = controller;
                 configSpecList.add(controllerSpec);
               }
               break;
             }
           }
          // remove the Usb controller when we want to remove the usb device.
          continue;
         }

         VirtualDeviceConfigSpec deviceSpec = new VirtualDeviceConfigSpec();
         deviceSpec.operation = VirtualDeviceConfigSpecOperation.remove;
         deviceSpec.device = device;
         if(destroyDeviceBacking) 
         {
           deviceSpec.fileOperation = VirtualDeviceConfigSpecFileOperation.destroy;
         }

         configSpecList.add(deviceSpec);
      }
      catch (Exception ex) 
      {
        throw new RuntimeException(ex);
      }
    }

    if (configSpecList.size() > 0) 
    {
      VirtualMachineConfigSpec config = new VirtualMachineConfigSpec();
      config.deviceChange = new VirtualDeviceConfigSpec[configSpecList.size()];
      for(int i=0; i< configSpecList.size(); i++)
      {
        config.deviceChange[i] = configSpecList.get(i);
      }
      Task task = vm.reconfigVM_Task(config);
      return task;
    }
    return null;
  }