fishmodifyaction.java

JPetStore源码

package org.springframework.samples.jpetstore.web.struts;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.springframework.beans.support.PagedListHolder;
import org.springframework.samples.jpetstore.domain.Fish;

/**
 * 廋惓夋柺偺傾僋僔儑儞
 * 
 * @author 焨寷曮
 */
public class FishModifyAction extends BaseAction {

	/**
	 * 弶婜壔張棟
	 * 
	 * @param mapping
	 *            傾僋僔儑儞偺攝抲忣曬
	 * @param form
	 *            Servlet忣曬
	 * @param request
	 *            HTTP儕僋僄僗僩
	 * @param response
	 *            HTTP儗僗億儞僗
	 * @throws Exception
	 *             堎忢張棟
	 * @return ActionForward 揮憲偟偨儁乕僕偺儘僕僢僋柤徧
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		// FormBean偺弶婜壔
		FishForm fishForm = (FishForm) form;

		// Fish偺弶婜壔
		Fish fish = fishForm.getFish();

		if (fish == null) {
			fish = new Fish();
		}

		// categoryId偺抣傪庢摼偡傞
		String categoryId = (String) request.getSession().getAttribute(
				"categoryId");

		// 乽曄峏乿儃僞儞傪墴壓偟側偄
		if (!"fishModify".equals(categoryId)) {

			// ProductId偺抣傪庢摼偡傞
			String productId = request.getParameter("productId");

			// Category偺抣傪僙僢僩偡傞
			fish.setCategory(Fish.CATEGORY_ID);

			// ProductId偺抣傪僙僢僩偡傞
			fish.setProductId(productId);

			// 徻嵶偺僨乕僞傪庢摼偡傞
			fish = getPetStore().getFishDetail(fish);

			// 僨乕僞偑懚嵼偟側偄応崌
			if (fish == null) {

				// 僄儔乕儊僙僢僕
				request.setAttribute("message", "productID傕偆懚嵼偟側偄偱偡!");

				// 僄儔乕夋柺傊挼傇
				return mapping.findForward("error");
			} else {
				// Form偺抣傪僙僢僩偡傞
				fishForm.setFish(fish);
			}

			// categoryId偺抣傪僙僢僩偡傞
			request.getSession().setAttribute("categoryId", "fishModify");
		}

		// 乽曄峏乿儃僞儞傪墴壓偡傞
		else {

			// FISH偺抣傪僙僢僩偡傞
			fish.setCategory(Fish.CATEGORY_ID);

			// SQL暥傪峴偆
			getPetStore().updateFish(fish);

			// 堦棗偺僨乕僞傪庢摼偡傞
			PagedListHolder productList = new PagedListHolder(getPetStore()
					.getFish(Fish.CATEGORY_ID));

			// 昞帵僨乕僞審悢傪僙僢僩偡傞
			productList.setPageSize(4);

			// request偵僨乕僞傪僙僢僩偡傞
			request.getSession().setAttribute("searchFishList", productList);
			request.setAttribute("productList", productList);

			// categoryId抣傪僙僢僩偡傞
			categoryId = "fishBrowse";
			request.getSession().setAttribute("categoryId", categoryId);

			// 堦棗夋柺傊挼傇
			return mapping.findForward("modifyToBrowse");
		}

		// 峏怴夋柺傊挼傇
		return mapping.findForward("success");
	}
}