Controller功能封装

import cn.org.rapid_framework.beanutils.BeanUtils;
import cn.org.rapid_framework.page.Page;
import cn.org.rapid_framework.page.PageRequest;
import com.iloosen.imall.commons.util.ConvertRegisterHelper;
import com.iloosen.imall.commons.util.PageRequestFactory;
import org.springframework.ui.ModelMap;
import org.springframework.util.Assert;
import org.springframework.util.ReflectionUtils;

import javax.servlet.http.HttpServletRequest;


/**
 * 标准的rest方法列表
 * <pre>
 * /userinfo                => index()  
 * /userinfo/new            => _new()  注意: 不使用/userinfo/add => add()的原因是ad会被一些浏览器当做广告URL拦截
 * /userinfo/{id}           => show()  
 * /userinfo/{id}/edit      => edit()  
 * /userinfo        POST    => create()  
 * /userinfo/{id}   PUT     => update()  
 * /userinfo/{id}   DELETE  => delete()  
 * /userinfo        DELETE  => batchDelete()  
 * </pre>
 * 
 * @author badqiu
 */
public class BaseRestSpringController<Entity,PK> {
    protected static final String CREATED_SUCCESS = "创建成功";
    protected static final String UPDATE_SUCCESS = "更新成功";
    protected static final String DELETE_SUCCESS = "删除成功";
    
    static {
        //注册converters
        ConvertRegisterHelper.registerConverters();
    }
    
    public static void copyProperties(Object target,Object source) {
        BeanUtils.copyProperties(target, source);
    }

    public static <T> T copyProperties(Class<T> destClass,Object orig) {
        return BeanUtils.copyProperties(destClass, orig);
    }
    
    public static ModelMap toModelMap(Page page,PageRequest pageRequest) {
        return toModelMap("",page, pageRequest);
    }
    
    public static ModelMap toModelMap(String tableId,Page page,PageRequest pageRequest) {
        ModelMap model = new ModelMap();
        saveIntoModelMap(tableId,page,pageRequest,model);
        return model;
    }
    
    /**
     * 用于一个页面有多个extremeTable是使用
     * @param tableId 等于extremeTable的tableId属性
     */
    public static void saveIntoModelMap(String tableId,Page page,PageRequest pageRequest,ModelMap model){
        Assert.notNull(tableId,"tableId must be not null");
        Assert.notNull(page,"page must be not null");
        
        model.addAttribute(tableId+"page", page);
        model.addAttribute(tableId+"totalRows", Integer.valueOf(page.getTotalCount()));
        model.addAttribute(tableId+"pageRequest", pageRequest);
        model.addAttribute(tableId+"query", pageRequest);
    }
    
    public static PageRequest bindPageRequest(HttpServletRequest request,PageRequest pageRequest,String defaultSortColumns){
        return PageRequestFactory.bindPageRequest(pageRequest,request, defaultSortColumns);
    }
    
    public static <T> T getOrCreateRequestAttribute(HttpServletRequest request, String key,Class<T> clazz) {
        Object value = request.getAttribute(key);
        if(value == null) {
            try {
                value = clazz.newInstance();
            } catch (Exception e) {
                ReflectionUtils.handleReflectionException(e);
            }
            request.setAttribute(key, value);
        }
        return (T)value;
    }

    public void setSuccess(ModelMap model){
        model.put("success","true");
    }

    public void setFailure(ModelMap model){
        model.put("success","false");
    }
}