PermissionGroupListener.java

package sk.iway.iwcm.components.users.permgroups;

import com.fasterxml.jackson.core.JsonProcessingException;

import org.springframework.context.event.EventListener;
import org.springframework.stereotype.Component;
import org.springframework.ui.ModelMap;

import sk.iway.iwcm.JsonTools;
import sk.iway.iwcm.Logger;
import sk.iway.iwcm.admin.ThymeleafEvent;
import sk.iway.iwcm.admin.layout.MenuService;
import sk.iway.iwcm.system.spring.events.WebjetEvent;

/**
 * Doplni do modelu objekt jstreePerms so stromovou strukturou prav
 */
@Component
public class PermissionGroupListener {

    @EventListener(condition = "#event.clazz eq 'sk.iway.iwcm.admin.ThymeleafEvent' && event.source.page=='users' && event.source.subpage=='permission-groups'")
    protected void setInitalData(final WebjetEvent<ThymeleafEvent> event) {
        try {
            setInitialDataImpl(event.getSource().getModel());
        } catch (Exception ex) {
            Logger.error(PermissionGroupListener.class, ex);
        }
    }

    protected static void setInitialDataImpl(ModelMap model) throws JsonProcessingException {
        model.addAttribute("jstreePerms", JsonTools.objectToJSON(MenuService.getAllPermissions()));
    }
}