EDIT

package org.bgbm.biovel.drf.client;

import org.bgbm.biovel.drf.checklist.DRFChecklistException;

import org.bgbm.biovel.drf.query.IQueryClient;

import org.bgbm.biovel.drf.utils.JSONUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public abstract class AbstractClient<QC extends IQueryClient> {

    protected Logger logger = LoggerFactory.getLogger(AbstractClient.class);

    private ServiceProviderInfo spInfo;

    protected QC queryClient;

    /**

     * @param queryClient the queryClient to set

     */

    public abstract void initQueryClient();

    public AbstractClient() {

        initQueryClient();

        spInfo = buildServiceProviderInfo();

    }

    public AbstractClient(String checklistInfoJson) throws DRFChecklistException {

        initQueryClient();

        setChecklistInfo(JSONUtils.convertJsonToObject(checklistInfoJson, ServiceProviderInfo.class));

    }

    public AbstractClient(ServiceProviderInfo spInfo) throws DRFChecklistException {

        initQueryClient();

        setChecklistInfo(spInfo);

    }

    public abstract ServiceProviderInfo buildServiceProviderInfo();

    public ServiceProviderInfo getServiceProviderInfo() {

        return spInfo;

    }

    public String getChecklistInfoAsJson() throws DRFChecklistException {

        if(getServiceProviderInfo() != null) {

            return JSONUtils.convertObjectToJson(spInfo);

        }

        return null;

    }

    public void setChecklistInfo(ServiceProviderInfo checklistInfo) {

        this.spInfo = checklistInfo;

    }

    public abstract int getMaxPageSize();

}