productaction.java

一个关于tlms的一个小程序 看看能否帮助到别人

/**
 * =============================================
 * Copyright 2006 szmx
 *
 * Change Revision
 * --------------------------------
 *   Date                Author         Remarks
 *   2006-4-17        Jean.Zhang     Create com.szmx.tlms.supplychain.web.ProductAction
 * =============================================
 */
package com.szmx.tlms.supplychain.web;

import com.szmx.tlms.admin.model.Employee;
import com.szmx.tlms.supplychain.model.Product;
import com.szmx.tlms.supplychain.service.ProductService;
import com.szmx.framework.base.model.Pagination;
import com.szmx.framework.base.web.BaseAction;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;

/**
 * This function maintains “Product” Chinese name based on English code and name.
 * Has List and Update actions.
 * @author Jean.Zhang
 * @since 2006-4-18
 */
public class ProductAction extends BaseAction {


    public ActionForward searchProduct(ActionMapping mapping, ActionForm form,
                                                 HttpServletRequest request,
                                                 HttpServletResponse response)
            throws Exception {
        if (log.isDebugEnabled()) {
            log.debug("Entering 'searchProduct' method");
        }
        DynaActionForm dynaForm = (DynaActionForm) form;
        Map paraMap = new HashMap();
        paraMap.put("productBean", dynaForm.get("searchBean"));
        Pagination pageObj = new Pagination(request, "pagination");
        ProductService mgr = (ProductService) getBean("productService");
        Pagination pagination = mgr.getProduct(pageObj, paraMap);
        request.setAttribute("pagination", pagination);

        return mapping.findForward("success");
    }

    /**
     *
     *
     * @param mapping
     * @param form
     * @param request
     * @param response
     * @return ActionForward
     * @throws Exception
     */
    public ActionForward initUpdateProduct(ActionMapping mapping, ActionForm form,
                                                     HttpServletRequest request,
                                                     HttpServletResponse response)
            throws Exception {
        if (log.isDebugEnabled()) {

            log.debug("Entering 'initUpdateProduct' method");
        }

        DynaActionForm dynaForm = (DynaActionForm) form;
        Product product = (Product) dynaForm.get("productBean");

        ProductService service = (ProductService) getBean("productService");

        product = service.getProduct(product.getId());

        if (product == null) {
            saveActionErrorMessage(request, "err.supplychain.get.noExisted", null);
            return mapping.findForward("failure");
        }
        request.setAttribute("productBean", product);

        return mapping.findForward("success");
    }

    /**
     * Update one product information
     *
     * @param mapping
     * @param form
     * @param request
     * @param response
     * @return ActionForward
     * @throws Exception
     */
    public ActionForward updateProduct(ActionMapping mapping, ActionForm form,
                                                 HttpServletRequest request,
                                                 HttpServletResponse response)
            throws Exception {
        if (log.isDebugEnabled()) {

            log.debug("Entering 'updateProduct' method");
        }

        DynaActionForm dynaForm = (DynaActionForm) form;
        Product product = (Product) dynaForm.get("productBean");

        product.populateUpdateBean(getUserId(request));

        ProductService service = (ProductService) getBean("productService");

        service.save(product);
        dynaForm.set("productBean", product);
        request.setAttribute("productBean", product);

        saveActionTripMessage(request, "message.update", null);

        return mapping.findForward("success");
    }

    private Long getUserId(HttpServletRequest request) throws Exception {
        return ((Employee) getLoginedUser(request)).getId();
    }

}