cz.muni.fi.mir.convertors.StringToUserRoleForm.java Source code

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Here is the source code for cz.muni.fi.mir.convertors.StringToUserRoleForm.java

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package cz.muni.fi.mir.convertors;

import cz.muni.fi.mir.db.service.UserRoleService;
import cz.muni.fi.mir.forms.UserRoleForm;
import cz.muni.fi.mir.tools.Tools;
import org.dozer.Mapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.convert.converter.Converter;

/**
 * Class responsible for converting values inside HTML <select /> tag. Since spring somehow
 * is not able to determine type of object stored in <select /> tag we have to help
 * it by registering this Converter.
 * 
 * @author Dominik Szalai
 * @since 1.0
 * @version 1.0
 */
public class StringToUserRoleForm implements Converter<String, UserRoleForm> {
    @Autowired
    private UserRoleService userRoleService;
    @Autowired
    private Mapper mapper;

    @Override
    public UserRoleForm convert(String source) {
        if (Tools.getInstance().stringIsEmpty(source)) {
            return null;
        } else {
            if (source.equals("-1")) {
                return null;
            } else {
                return mapper.map(userRoleService.getUserRoleByID(Long.valueOf(source)), UserRoleForm.class);
            }
        }
    }
}