topicbaseaction.java

struts+hibernate BBS mysql数据库 功能基本齐全

package com.elan.forum.actions.topic;

import java.sql.Timestamp;
import java.util.Map;

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 com.elan.forum.actions.PubAction;
import com.elan.forum.util.Constents;

/**
 * @author Elan
 * 
 */
public abstract class TopicBaseAction extends PubAction {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		return super.execute(mapping, form, request, response);
	}

	protected ActionForward executeAction(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		String action = this.getAction(request);
		System.out.println(action);
		if ("showTopic".equals(action)) {
			return showTopic(mapping, form, request, response);
		} else if ("showPiece".equals(action)) {
			return showPiece(mapping, form, request, response);
		} else if ("replyTopic".equals(action)) {
			if (!checkIsLogin(request)) {
				return (mapping.findForward("userLogin"));
			}
			return replyTopic(mapping, form, request, response);
		} else if ("replyForm".equals(action)) {
			if (!checkIsLogin(request)) {
				//System.out.println("用户没有登陆的啦");
				return (mapping.findForward("userLogin"));
			}
			return replyForm(mapping, form, request, response);
		} else if ("newForm".equals(action)) {
			System.out.println("进入NEWFORM");
			if (!checkIsLogin(request)) {
				System.out.println("在一次111111111111111");
				return (mapping.findForward("userLogin"));
			}
			return newForm(mapping, form, request, response);
		} else if ("newTopic".equals(action)) {
			if (!checkIsLogin(request)) {
				return (mapping.findForward("userLogin"));
			}
			return newTopic(mapping, form, request, response);
		} else if("quote".equals(action)) {
			if (!checkIsLogin(request)) {
				return (mapping.findForward("userLogin"));
			}
			return quoteReply(mapping, form, request, response);
		} else if("hotTopic".equals(action)) {
			return this.hotTopic(mapping, form, request, response);
		} else if("newPostTopic".equals(action)) {
			return this.newPostTopic(mapping, form, request, response);
		} else if("search".equals(action)) {
			return this.search(mapping, form, request, response);
		} else if("essence".equals(action)) {
			return this.essence(mapping, form, request, response);
		}
		return null;
	}
	
	protected abstract ActionForward essence(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response);
	
	protected abstract ActionForward search(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response);

	protected abstract ActionForward newPostTopic(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response);
	
	protected abstract ActionForward hotTopic(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response);
	
	protected abstract ActionForward quoteReply(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response);

	protected abstract ActionForward replyTopic(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response);

	protected abstract ActionForward replyForm(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response);

	protected abstract ActionForward newTopic(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response);

	protected abstract ActionForward newForm(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response);

	protected abstract ActionForward showPiece(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response);

	protected abstract ActionForward showTopic(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response);

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

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

	/**
	 * 只限制论坛用的
	 * @param request
	 * @param pieceId
	 * @param pieceName
	 * @param topicId
	 * @param topicTile
	 * @return String
	 * 
	 */
	protected String constructPosition(HttpServletRequest request,
			Integer pieceId, String pieceName, Integer topicId, String topicTile) {
		StringBuffer strPath = new StringBuffer();
		if (pieceId != null && pieceName != null) {
			// 构造pieceStr
			strPath.append("<a href=\"").append(Constents.CONTEXTPATH).append(
					"/forum/topic.do?action=showPiece&pieceId=")
					.append(pieceId).append("\">").append(pieceName).append(
							"</a>>>");
		}
		if (topicId != null && topicTile != null) {
			// 构造文章路径
			strPath.append("<a href=\"").append(Constents.CONTEXTPATH).append(
					"/forum/topic.do?action=showTopic&topicId=")
					.append(topicId).append("\">").append(topicTile).append(
							"</a>");
		}
		return strPath.toString();
	}

	// 通用方法
	/**
	 * 
	 * key: url
	 * value: 连接字符
	 * @param map
	 * @return String
	 */
	protected String construtctPostion(Map<String, String> map) {
		StringBuffer strPath = new StringBuffer();
		String[] key = (String[]) map.keySet().toArray();
		String[] values = (String[]) map.values().toArray();
		for (int i = 0; i < map.size(); i++) {
			strPath.append("<a href=\"").append(key[i]).append(">").append(
					values[i]).append("</a>>>");
		}
		return strPath.toString();
	}
	
	protected Integer getPage(HttpServletRequest request) throws RuntimeException {
		Integer temp = new Integer(1);
		String  tempStr = request.getParameter("page");
		if(tempStr != null) {
			try {
				temp = Integer.valueOf(tempStr);
			} catch (RuntimeException re) {
				throw re;
			}
		}
		return temp;
	}

	/**
	 * sign: 1返回的是requet startYear
	 * sign: 2返回的是requet endYear
	 * @param request
	 * @param sign 
	 * @return
	 */
	protected Timestamp createTimestamp(HttpServletRequest request, int sign ) {
		Timestamp ts = new Timestamp(System.currentTimeMillis());
		Integer year = 2008;
		Integer month = 1;
		Integer day = 1;
		if(1 == sign) {
			year = Integer.valueOf(request.getParameter("startYear"));
			month = Integer.valueOf(request.getParameter("startMonth"));
			day = Integer.valueOf(request.getParameter("startDay"));
		} else {
			year = Integer.valueOf(request.getParameter("endYear"));
			month = Integer.valueOf(request.getParameter("endMonth"));
			day = Integer.valueOf(request.getParameter("endDay"));
		}
		ts.setYear(year - 1900);
		ts.setMonth(month);
		ts.setDate(day);
		return ts;
	}
	
}