informationeditaction.java

这个是完整的wap项目的源码 开发语言 Java 系统架构 Struts + hibernate + spring 数据库 Mysql5.0 应用服务器Tomcat5.0 开发工具 MyEc

package com.longtime.wap.module.information.web.action;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.upload.FormFile;
import org.springframework.web.struts.DispatchActionSupport;

import com.longtime.wap.common.WapConstant;
import com.longtime.wap.model.Business;
import com.longtime.wap.model.Information;
import com.longtime.wap.module.information.common.InformationConstant;
import com.longtime.wap.module.information.service.InformationService;
import com.longtime.wap.module.information.web.form.InformationEditForm;

/**
 * 处理编辑信息的请求 
 *
 * @author bulc
 * @date   Nov 30, 2007
 */
public class InformationEditAction extends DispatchActionSupport {
	private static final Log LOGGER = 
		LogFactory.getLog(InformationEditAction.class);
	private InformationService informationService;
	
	/**
	 * 注入服务对象
	 * 
	 * @param informationService 
	 * 						服务对象
	 */
	public void setInformationService(InformationService informationService) {
		this.informationService = informationService;
	}
	
	/**
	 * 处理检索一个信息的请求
	 * 
	 * @param mapping 
	 * 				ActionMapping对象
	 * @param form 
	 * 				ActionForm对象
	 * @param request 
	 * 				HttpServletRequest对象
	 * @param response 
	 * 				HttpServletResponse对象
	 * @return ActionForward对象
	 * @throws Exception 
	 * 				异常对象
	 */
	public ActionForward getInformation(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		try{
			// 根据Id取information
			String informationId = request.getParameter("id");
			Information information = informationService
				.getInformationById(Long.parseLong(informationId));

			// 设置返回的formbean对象
			InformationEditForm informationEditForm = (InformationEditForm)form;
			if (information.getBusiness().getCategory() == 0){
				informationEditForm.setDetailType("text");
			} else if (information.getBusiness().getCategory() == 1) {
				informationEditForm.setDetailType("music");
			} else if (information.getBusiness().getCategory() == 2) {
				informationEditForm.setDetailType("pic");
			}
			// 设置返回页面是否允许编辑
			String type = request.getParameter("type");
			if ("edit".equalsIgnoreCase(type)) {
				informationEditForm.setEditFlug("edit");
			}
			informationEditForm.setFilePath(information.getFilePath());
			informationEditForm.setInformationId(
					String.valueOf(information.getInformationId()));
			informationEditForm.setTitle(information.getTitle());
			informationEditForm.setPrice(
					String.valueOf(information.getPrice()));
			informationEditForm.setBusinessName(
					information.getBusiness().getBusinessName());
			informationEditForm.setContent(information.getContent());
			if (information.getIsHot() == 1) {
				informationEditForm.setIsHot(true);
			}
			if (information.getIsPub() == 1) {
				informationEditForm.setIsPub(true);
			}
			if (information.getIsRecommend() == 1) {
				informationEditForm.setIsRecommend(true);
			}
			request.setAttribute(InformationConstant.INFORMATION_EDIT_FORM, 
					informationEditForm);
		} catch (Exception ex) {
			LOGGER.error(ex);
			ex.printStackTrace();
		}
		return mapping.findForward("detailInformation");
	}
	
	/**
	 * 处理保存信息的请求
	 * 
	 * @param mapping 
	 * 				ActionMapping对象
	 * @param form 
	 * 				ActionForm对象
	 * @param request 
	 * 				HttpServletRequest对象
	 * @param response 
	 * 				HttpServletResponse对象
	 * @return ActionForward对象
	 * @throws Exception 
	 * 				异常对象
	 */
	public ActionForward saveInformation(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		List<String> messages = new ArrayList<String>();
		try {
			InformationEditForm infoForm = (InformationEditForm)form;
			Information info;
			if (null != infoForm.getInformationId() 
					&& infoForm.getInformationId().length() > 0) {
				info = informationService.getInformationById(
						Long.parseLong(infoForm.getInformationId()));
			} else {
				info = new Information();
				// 设置businessId
				Business business = new Business();
				business.setBusinessId(
						Long.parseLong(infoForm.getBusinessId()));
				info.setBusiness(business);
				// 上传文件
				if (!"text".equalsIgnoreCase(infoForm.getDetailType())){
					FormFile file = infoForm.getUploadFile();
					String uploadDir;
					if ("music".equalsIgnoreCase(infoForm.getDetailType())) {
						uploadDir = "/UserFiles/Music";
					} else {
						uploadDir = "/UserFiles/Pic";
					}
					String fileName = informationService.uploadFile(
							servlet.getServletContext().getRealPath(uploadDir), 
							file);
					file.destroy();
					info.setFilePath(
							uploadDir.substring(1, uploadDir.length()) 
							+ "/" + fileName);
				}
			}
			if (infoForm.getIsHot()) {
				info.setIsHot(1);
			} else {
				info.setIsHot(0);
			}
			if (infoForm.getIsPub()) {
				info.setIsPub(1);
				info.setPubDate(new Date());
			} else {
				info.setIsPub(0);
			}
			if (infoForm.getIsRecommend()){
				info.setIsRecommend(1);
			} else {
				info.setIsRecommend(0);
			}
			info.setTitle(infoForm.getTitle().trim());
			info.setContent(infoForm.getContent().trim());
			info.setPrice(Double
					.parseDouble(infoForm.getPrice().trim()));
			informationService.saveInformation(info);
			messages.add("信息保存成功！");
		} catch (RuntimeException ex) {
			messages.add(ex.getMessage());
			LOGGER.error(ex);
		} catch (Exception ex) {
			LOGGER.error(ex);
			ex.printStackTrace();
		}
		request.setAttribute(WapConstant.WAP_GLOBAL_MESSAGES, messages);
		return mapping.findForward("informations");
	}
}