informationlistaction.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.business.web.action;

import java.util.ArrayList;
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.commons.validator.GenericValidator;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.springframework.web.struts.DispatchActionSupport;

import com.longtime.wap.common.WapConstant;
import com.longtime.wap.common.web.Page;
import com.longtime.wap.common.web.PageConstant;
import com.longtime.wap.module.business.common.BusinessConstant;
import com.longtime.wap.module.business.service.InformationService;
import com.longtime.wap.module.business.web.form.InformationEditForm;

/**
 * 处理信息列表页请求
 * 
 * @author gengb
 * @date Nov 19, 2007
 */

public class InformationListAction extends DispatchActionSupport {
	private static final Log LOGGER = 
		LogFactory.getLog(InformationListAction.class);
	private InformationService informationService;

	/**
	 * 注入服务对象
	 * 
	 * @param informationService
	 *            服务对象
	 */
	public void setInformationService(InformationService informationService) {
		this.informationService = informationService;
	}

	/**
	 * 处理列表页请求
	 * 
	 * @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
	 */
	@SuppressWarnings("unchecked")
	public ActionForward listInformation(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		try {
			InformationEditForm informationForm = (InformationEditForm) form;
			
			Page page = null;
			String pageNumber = request.getParameter(PageConstant.PARA_PAGE);
			if (GenericValidator.isBlankOrNull(pageNumber)) {
				if (GenericValidator.isBlankOrNull(
						informationForm.getCurrentPage())){
					page = new Page(1);
				} else {
					page = new Page(Integer.parseInt(
							informationForm.getCurrentPage()));
				}
			} else {
				page = new Page(Integer.parseInt(pageNumber));
			}
			
			String informationState = informationForm.getState();
			if (null == informationState) {
				informationState = "";
			}
			
			/*
			 * pubType: 0   pub
			 * 			1	unPub
			 * 			2	all
			 * 			3   overdue
			 */
			int pubType;
			if (informationState.equalsIgnoreCase("pub")) {
				pubType = 0;
			} else if(informationState.equalsIgnoreCase("unPub")) { 
				pubType = 1;
			} else if(informationState.equalsIgnoreCase("overdue")) {
				pubType = 3;
			} else {
				pubType = 2;
			}
			
			List informationList = informationService
				.getInfosByCondition(informationForm.getSearchValue(),
						informationForm.getSearchType(), 
						informationForm.getFromDate(), 
						informationForm.getToDate(), 
						pubType, 
						page);
			request.setAttribute(BusinessConstant.INFORMATIONS, 
					informationList);
			request.setAttribute(PageConstant.ATTR_PAGE, page);
		} catch (Exception ex) {
			LOGGER.error(ex);
			ex.printStackTrace();
		}
		return mapping.findForward("listInformation");
	}

	/**
	 * 处理更新请求
	 * 
	 * @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 saveInformations(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		List<String> messages = new ArrayList<String>();
		try {
			String[] informationIds;
			boolean isPub;
			if ("true".equalsIgnoreCase(request.getParameter("isPub"))){
				isPub = true;
				informationIds = request.getParameterValues(
						"pubInformationIds");
			} else {
				isPub = false;
				informationIds = request.getParameterValues(
						"unPubInformationIds");
			}
			this.informationService.savePubStatus(informationIds, isPub);
			messages.add("信息状态更新成功！");
		} catch (Exception ex) {
			LOGGER.error(ex);
			ex.printStackTrace();
		}
		request.setAttribute(WapConstant.WAP_GLOBAL_MESSAGES, messages);
		return mapping.findForward("informations");
	}
	
	/**
	 * 处理删除请求
	 * 
	 * @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 deleteInformations(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		List<String> messages = new ArrayList<String>();
		try {
			String[] informationIds = request.getParameterValues(
					"deleteInformationIds");;
			this.informationService.deleteInformations(informationIds);
			messages.add("信息删除成功！");
			if (request.getAttribute(WapConstant.WAP_GLOBAL_MESSAGES) 
					!= null) {
				request.removeAttribute(WapConstant.WAP_GLOBAL_MESSAGES);
			}
			request.setAttribute(WapConstant.WAP_GLOBAL_MESSAGES, messages);
		} catch (Exception ex) {
			LOGGER.error(ex);
			ex.printStackTrace();
		}
		return mapping.findForward("informations");
	}
}