EDIT

import java.util.ArrayList;

import java.util.List;

import eu.etaxonomy.cdm.common.monitor.IProgressMonitor;

import eu.etaxonomy.cdm.common.monitor.SubProgressMonitor;

		List<ICdmExport> ioList = makeIoList(state, config);

		List<Integer> stepCounts = countSteps(state, ioList);

		Integer totalCount = stepCounts.get(stepCounts.size()-1);

		config.getProgressMonitor().worked(1);

		IProgressMonitor parentMonitor = SubProgressMonitor

		        .NewStarted(config.getProgressMonitor(), 99, "Process data", totalCount);

		for (int i = 0; i< ioList.size(); i++){

		    ICdmExport export = ioList.get(i);

		    Integer counts = stepCounts.get(i);

			    String ioName = export.getClass().getSimpleName();

			    SubProgressMonitor ioMonitor = SubProgressMonitor

			            .NewStarted(parentMonitor, counts, ioName, counts );

			    state.setCurrentMonitor(ioMonitor);

			    state.setCurrentIO(export);

				export.invoke(state);

				ioMonitor.done();

				String message = "Unexpected exception in " + export.getClass().getSimpleName()+ ": " + e.getMessage();

				logger.error(message);

				e.printStackTrace();

		        result.addException(e, message);

	/**

     * @param state

     * @param ioList

     * @return

     */

    private List<Integer> countSteps(ExportStateBase state, List<ICdmExport> ioList) {

        //do invoke for each class

        List<Integer> result = new ArrayList<>();

        int sum = 0;

        for (ICdmExport export: ioList){

            int count = 1;

            try {

//                state.setCurrentIO(export);

                count = ((Long)export.countSteps(state)).intValue();

            } catch (Exception e) {

                String message = "Unexpected exception when count steps for progress monitoring " + export.getClass().getSimpleName()+ ": " + e.getMessage();

                logger.error(message);

                e.printStackTrace();

                state.getResult().addException(e, message);

            }

            result.add(count);

            sum += count;

        }

        result.add(sum);

        return result;

    }

    /**

     * @param state

     * @param config

     * @return

     */

    private <CONFIG extends T>  List<ICdmExport> makeIoList(ExportStateBase state, CONFIG config) {

        List<ICdmExport> result = new ArrayList<>();

        for (Class<ICdmExport> ioClass: config.getIoClassList()){

            try {

                String ioBeanName = getComponentBeanName(ioClass);

                ICdmExport cdmIo = applicationContext.getBean(ioBeanName, ICdmExport.class);

                if (cdmIo != null){

                    result.add(cdmIo);

                }else{

                    String message = "cdmIO was null: " + ioBeanName;

                    logger.error(message);

                    state.getResult().addError(message);

                }

            } catch (Exception e) {

                    String message = "Unexpected exception in " + ioClass.getSimpleName()+ ": " + e.getMessage();

                    logger.error(message);

                    e.printStackTrace();

                    state.getResult().addException(e, message);

            }

        }

        return result;

    }

    private String getComponentBeanName(Class<ICdmExport> ioClass){