indexaction.java

数学网

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.1/xslt/JavaClass.xsl

package math.index.controller;

import java.sql.SQLException;
import java.util.List;

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

import math.article.controller.ArticleForm;
import math.article.model.Article;
import math.bbs.dao.BbsDao;
import math.htea.controller.HteaForm;
import math.htea.dao.HteaDAO;
import math.htea.model.Htea;
import math.index.dao.IndexDao;
import math.news.controller.NewsForm;
import math.news.model.News;
import math.notice.model.Notice;
import math.util.Pager;

import javax.sql.*;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * MyEclipse Struts Creation date: 11-03-2006
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/login" name="loginForm" input="/login.jsp"
 *                parameter="LOGIN" scope="request" validate="true"
 * @struts.action-forward name="nouser" path="/login.jsp"
 * @struts.action-forward name="success" path="/index.jsp"
 */
public class IndexAction extends Action {

	// --------------------------------------------------------- Instance
	// Variables

	// --------------------------------------------------------- Methods

	private DataSource ds = null;

	private org.apache.commons.logging.Log __log = LogFactory.getFactory()
			.getInstance(this.getClass());

	public ActionForward execute(ActionMapping actionMapping,
			ActionForm actionForm, HttpServletRequest httpServletRequest,
			HttpServletResponse httpServletResponse) {

		ds = getDataSource(httpServletRequest);
		ActionForward myforward = null;
		String myaction = actionMapping.getParameter();

		if (isCancelled(httpServletRequest)) {
			if (__log.isInfoEnabled()) {
				__log.info(" [Logon] " + actionMapping.getAttribute()
						+ " - action was cancelled");
			}
			return actionMapping.findForward("cancel");
		}

		if (__log.isInfoEnabled()) {
			__log.info(" [Logon] action: " + myaction);
		}
		if ("".equalsIgnoreCase(myaction)) {
			myforward = actionMapping.findForward("failure");
		} else if ("HEADLIST".equalsIgnoreCase(myaction)) {
			myforward = performHeadlist(actionMapping, actionForm,
					httpServletRequest, httpServletResponse);
		}else if ("INDEX".equalsIgnoreCase(myaction)) {
			myforward = performNewsBar(actionMapping, actionForm,
					httpServletRequest, httpServletResponse);
		} else if ("NEWSVIEW".equalsIgnoreCase(myaction)) {
			myforward = performNewsView(actionMapping, actionForm,
					httpServletRequest, httpServletResponse);
		} else if ("ARTICLELIST".equalsIgnoreCase(myaction)) {
			myforward = performAritfcleList(actionMapping, actionForm,
					httpServletRequest, httpServletResponse);
		} else if ("ARTICLEVIEW".equalsIgnoreCase(myaction)) {
			myforward = performAritfcleview(actionMapping, actionForm,
					httpServletRequest, httpServletResponse);
		} else if ("NOTICESHOW".equalsIgnoreCase(myaction)) {
			myforward = performNoticeshow(actionMapping, actionForm,
					httpServletRequest, httpServletResponse);
		} else if ("HTEAVIEW".equalsIgnoreCase(myaction)) {
			myforward = performHteaView(actionMapping, actionForm,
					httpServletRequest, httpServletResponse);
		} else if ("HTEAMORE".equalsIgnoreCase(myaction)) {
			myforward = performMoreList(actionMapping, actionForm,
					httpServletRequest, httpServletResponse);
		} else {
			myforward = actionMapping.findForward("failure");
		}

		return myforward;
	}

	// //////////////////////////////////////////////////////////////

	private ActionForward performHeadlist(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		try {
			IndexDao indexDao = new IndexDao(ds);
			List noticelist = indexDao.noticelist();
			request.setAttribute("NOTICELIST", noticelist);
	

			return mapping.findForward("success");
		} catch (Exception e) {
			generalError(request, e);
			return mapping.findForward("failure");
		}
	} // //////////////////////////�˳�////////////
	private ActionForward performNewsBar(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		try {
			IndexDao indexDao = new IndexDao(ds);
			List list = indexDao.newslist();
			News news = indexDao.photo();
			List tlinklist = indexDao.tlinklist();
			List list1 = indexDao.htealist();
			List noticelist = indexDao.noticelist();
			request.setAttribute("NOTICELIST", noticelist);
			request.setAttribute("HTEALIST", list1);
			request.setAttribute("TLINKLIST", tlinklist);
			request.setAttribute("NEWSLIST", list);
			request.setAttribute("NEW_PHOTO", news);
			
			BbsDao bbsDao = new BbsDao(ds);
			List bbslist=bbsDao.bbsList(0,5);
			request.setAttribute("BBSLIST", bbslist);
			
			
			request.setAttribute("NEW_PHOTO", news);
			return mapping.findForward("success");
		} catch (Exception e) {
			generalError(request, e);
			return mapping.findForward("failure");
		}
	} 
	private ActionForward performNewsView(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		try {
			IndexDao indexDao = new IndexDao(ds);
			String newsid = request.getParameter("newsId");
			int id = 0;
			if (newsid == null || newsid.length() < 1) {
				id = 0;
			} else {
				id = Integer.parseInt(newsid);
			}
			News news = indexDao.news(id);
			NewsForm newsForm = (NewsForm) form;
			BeanUtils.populate(newsForm, BeanUtils.describe(news));
			
			List noticelist = indexDao.noticelist();
			request.setAttribute("NOTICELIST", noticelist);
			return mapping.findForward("success");
		} catch (Exception e) {
			generalError(request, e);
			return mapping.findForward("failure");
		}
	}
	private ActionForward performAritfcleview(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		try {
			IndexDao indexDao = new IndexDao(ds);
			String articleId = request.getParameter("articleId");
			int id = 0;
			if (articleId == null || articleId.length() < 1) {
				id = 0;
			} else {
				id = Integer.parseInt(articleId);
			}
			Article article = indexDao.article(id);
			ArticleForm articleForm = (ArticleForm) form;
			BeanUtils.populate(articleForm, BeanUtils.describe(article));

			return mapping.findForward("success");
		} catch (Exception e) {
			generalError(request, e);
			return mapping.findForward("failure");
		}
	}
	private ActionForward performAritfcleList(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		try {
			IndexDao indexDao = new IndexDao(ds);
			ArticleForm articleForm=(ArticleForm) form;
			int offset;
			int length = 20;
			String pagerOffset = request.getParameter("pager.offset");
			if (pagerOffset == null || pagerOffset.equals("")) {
				offset = 0;

			} else {
				offset = Integer.parseInt(pagerOffset);
			}
			List list = indexDao.articleList(offset,length,articleForm.getArticletype1(),articleForm.getArticletype2());
			int size = indexDao.getSize("article", "where articletype1="+String.valueOf(articleForm.getArticletype1())+" and articletype2="+String.valueOf(articleForm.getArticletype2()));
			String url = request.getContextPath() + mapping.getPath() + ".do?articletype1="+String.valueOf(articleForm.getArticletype1())+"&articletype2="+String.valueOf(articleForm.getArticletype2());
			String pagerHeader = Pager.generate(offset, size, length, url);
			request.setAttribute("pagerHeader", pagerHeader);
			request.setAttribute("LIST", list);

						
			List noticelist = indexDao.noticelist();
			request.setAttribute("NOTICELIST", noticelist);
			return mapping.findForward("success");
		} catch (Exception e) {
			generalError(request, e);
			return mapping.findForward("failure");
		}
	}
	private ActionForward performNoticeshow(ActionMapping actionMapping,
			ActionForm actionForm, HttpServletRequest httpServletRequest,
			HttpServletResponse httpServletResponse) {

		IndexDao indexDao = new IndexDao(ds);
		int id = 0;
		String noticeid = httpServletRequest.getParameter("noticeid");
		if (noticeid != null && !noticeid.equals("")) {
			id = Integer.parseInt(noticeid);
		} else {
			return actionMapping.findForward("error");
		}
		try {
			Notice notice = indexDao.notice(id);
			httpServletRequest.setAttribute("Notice", notice);
			return actionMapping.findForward("success");
		} catch (SQLException e) {
			e.printStackTrace();
			generalError(httpServletRequest, e);
			return actionMapping.findForward("failure");
		}
	}

	private ActionForward performHteaView(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		try {
			IndexDao indexDao = new IndexDao(ds);
			String htea_id = request.getParameter("htea_id");
			int id = 0;
			if (htea_id == null || htea_id.length() < 1) {
				id = 0;
			} else {
				id = Integer.parseInt(htea_id);
			}
			Htea htea = indexDao.htea(id);
			HteaForm hteaForm = (HteaForm) form;
			
			BeanUtils.populate(hteaForm, BeanUtils.describe(htea));
			return mapping.findForward("success");
		} catch (Exception e) {
			generalError(request, e);
			return mapping.findForward("failure");
		}
	}
	private ActionForward performMoreList(ActionMapping mapping,
			ActionForm actionForm, HttpServletRequest request,
			HttpServletResponse response) {

		try {
			
			IndexDao indexDao = new IndexDao(ds);

			int offset;
			int length = 20;
			String pagerOffset = request.getParameter("pager.offset");
			if (pagerOffset == null || pagerOffset.equals("")) {
				offset = 0;

			} else {
				offset = Integer.parseInt(pagerOffset);
			}
			List htealist = indexDao.htealist(offset,length);
			int size = indexDao.getSize("htea", "");
			String url = request.getContextPath() + mapping.getPath() + ".do";
			String pagerHeader = Pager.generate(offset, size, length, url);
			request.setAttribute("pagerHeader", pagerHeader);
			request.setAttribute("LIST", htealist);
			List noticelist = indexDao.noticelist();
			request.setAttribute("NOTICELIST", noticelist);
			return mapping.findForward("success");

		} catch (Exception e) {
			generalError(request, e);
			return mapping.findForward("error");
		}

	}
	private void sqlNullError(HttpServletRequest request, int result) {
		// TODO Auto-generated method stub
		ActionErrors errors = new ActionErrors();
		if (result == 1)

			errors.add("notfound", new ActionError("error.input"));

		else if (result == 2)

			errors.add("erand", new ActionError("error.rand.request"));
		saveErrors(request, errors);

	}

	private void generalError(HttpServletRequest request, Exception e) {
		ActionErrors aes = new ActionErrors();
		aes.add(aes.GLOBAL_ERROR, new ActionError("error.general", e
				.getMessage()));
		saveErrors(request, aes);
		e.printStackTrace();
		if (__log.isErrorEnabled()) {
			__log.error(" [Register] Error - " + e.getMessage());
		}
	}
}