forumcovertag.java

java论坛

package com.laoer.bbscs.web.taglib;

import java.util.*;
import java.io.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;

import org.apache.struts.taglib.*;
import org.springframework.web.context.*;
import org.springframework.web.context.support.*;
import com.laoer.bbscs.bean.*;
import com.laoer.bbscs.comm.*;
import com.laoer.bbscs.service.BoardService;
import org.apache.commons.io.FileUtils;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.Log;

/**
 * <p>Title: Tianyi BBS</p>
 *
 * <p>Description: BBSCS</p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: Laoer.com</p>
 *
 * @author Gong Tianyi
 * @version 7.0
 */
public class ForumCoverTag
    extends TagSupport {

  private static final Log logger = LogFactory.getLog(ForumCoverTag.class);

  protected String type = "";

  protected String boardObjName = "board";

  protected String commendListObjName = "commendList";

  private String boardListObjName = "blist";

  protected String boardHotObjName = "bhotlist";

  public ForumCoverTag() {
  }

  public int doStartTag() throws JspException {
    return (SKIP_BODY);
  }

  public int doEndTag() throws JspException {
    HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
    HttpServletResponse response = (HttpServletResponse) pageContext.getResponse();

    WebApplicationContext wc = WebApplicationContextUtils.getWebApplicationContext(this.
        pageContext.getServletContext());

    Object boardObj = TagUtils.getInstance().lookup(pageContext, boardObjName, null, null);
    Board board = (Board) boardObj;

    //StringBuffer sb = new StringBuffer();

    if (this.getType().equalsIgnoreCase("commend")) {
      /*
       Object commendListObj = TagUtils.getInstance().lookup(pageContext, commendListObjName, null, null);
             List commendList = (List) commendListObj;
             int counter = 0;
             for (int i = 0; i < commendList.size(); i++) {
        Commend c = (Commend) commendList.get(i);
        if (counter == 0) {
          counter = 2;
          sb.append("<tr>");
        }
        sb.append("<td width=\"50%\">");
        sb.append("[<a href=\"");
        sb.append(BBSCSUtil.getActionMappingURL("/forum?action=index&bid=" + c.getBoardID(), request));
        sb.append("\">");
        sb.append(c.getBoardName());
        sb.append("</a>]");
        sb.append("<a href=\"");
        sb.append(BBSCSUtil.getActionMappingURL("/read?action=topic&id=" + c.getPostMainID() + "&bid=" +
                                                c.getBoardID(), request));
        sb.append("\">");
        sb.append(c.getTitle());
        sb.append("</a>");
        sb.append("</td>");

        if (counter == 1) {
          counter = 0;
          sb.append("</tr>");
        }
        else {
          counter = counter - 1;
        }
             }*/
      File commendFile = new File(BBSCSUtil.getIncludePath() + "ForumCover_Commend_" +
                                  board.getId().longValue() + ".html");
      String commendlist = "";
      try {
        commendlist = FileUtils.readFileToString(commendFile, Constant.CHARSET);
        if (commendlist == null) {
          commendlist = "";
        }
      }
      catch (IOException ex) {
        logger.error(ex);
        commendlist = "";
      }
      TagUtils.getInstance().write(pageContext, commendlist);
      return (SKIP_BODY);
    }
    if (this.getType().equalsIgnoreCase("boardlist")) {
      /*
             Object boardListObj = TagUtils.getInstance().lookup(pageContext, boardListObjName, null, null);
             BoardService boardService = (BoardService) wc.getBean("boardService");
             List blist = (List) boardListObj;
             for (int i = 0; i < blist.size(); i++) {
        Board b = (Board) blist.get(i);
        sb.append("<tr>");
        sb.append("<td width=\"15%\">·");
        sb.append("<a href=\"");
       sb.append(BBSCSUtil.getActionMappingURL("/forum?action=index&bid=" + b.getId().longValue(), request));
        sb.append("\">");
        sb.append(b.getBoardName());
        sb.append("</a>");
        sb.append("&gt;&gt;</td>");
        sb.append("<td width=\"85%\">");
        List blist1 = boardService.findBoardsByParentID(b.getId().longValue(), 1, 0,
            Constant.FIND_BOARDS_BY_ORDER);
        for (int j = 0; j < blist1.size(); j++) {
          Board b1 = (Board) blist1.get(j);
          sb.append("·");
          sb.append("<a href=\"");
          sb.append(BBSCSUtil.getActionMappingURL("/forum?action=index&bid=" + b1.getId().longValue(),
                                                  request));
          sb.append("\">");
          sb.append(b1.getBoardName());
          sb.append("</a> ");
        }
        sb.append("</td>");
        sb.append("</tr>");

             }*/
      /**
            Map bmap = (Map) boardMapObjObj;

            Set bset = bmap.entrySet();
            Iterator it = bset.iterator();
            while (it.hasNext()) {
              Map.Entry bentry = (Map.Entry) it.next();
              Board b = (Board) bentry.getKey();
              List blist1 = (List) bentry.getValue();
              sb.append("<tr>");
              sb.append("<td width=\"15%\">·");
              sb.append("<a href=\"");
       sb.append(BBSCSUtil.getActionMappingURL("/forum?action=index&bid=" + b.getId().longValue(), request));
              sb.append("\">");
              sb.append(b.getBoardName());
              sb.append("</a>");
              sb.append("&gt;&gt;</td>");
              sb.append("<td width=\"85%\">");

              for (int j = 0; j < blist1.size(); j++) {
                Board b1 = (Board) blist1.get(j);
                sb.append("·");
                sb.append("<a href=\"");
                sb.append(BBSCSUtil.getActionMappingURL("/forum?action=index&bid=" + b1.getId().longValue(),
                                                        request));
                sb.append("\">");
                sb.append(b1.getBoardName());
                sb.append("</a> ");
              }
              sb.append("</td>");
              sb.append("</tr>");
            }*/
      File blistFile = new File(BBSCSUtil.getIncludePath() + "ForumCover_BoardList_" +
                                board.getId().longValue() + ".html");
      String boardlist = "";
      try {
        boardlist = FileUtils.readFileToString(blistFile, Constant.CHARSET);
        if (boardlist == null) {
          boardlist = "";
        }
      }
      catch (IOException ex) {
        logger.error(ex);
        boardlist = "";
      }
      TagUtils.getInstance().write(pageContext, boardlist);

      return (SKIP_BODY);
    }
    if (this.getType().equalsIgnoreCase("hotboard")) {
      /*
             Object boardHotObj = TagUtils.getInstance().lookup(pageContext, boardHotObjName, null, null);
             List bhotlist = (List) boardHotObj;
             BoardService boardService = (BoardService) wc.getBean("boardService");
             List bhlist = boardService.getBoardsNeedCount(bhotlist);
             Collections.sort(bhlist, new BoardsMainPostNumComparator());
             int len = bhlist.size();
             if (len >= 10) {
        len = 10;
             }
             for (int i = 0; i < len; i++) {
        Board b = (Board) bhlist.get(i);
        sb.append("<tr>");
        sb.append("<td width=\"70%\">");
        sb.append("<a href=\"");
       sb.append(BBSCSUtil.getActionMappingURL("/forum?action=index&bid=" + b.getId().longValue(), request));
        sb.append("\">");
        sb.append(b.getBoardName());
        sb.append("</a>");
        sb.append("</td>");
        sb.append("<td width=\"30%\">");
        sb.append(b.getMainPostNum());
        sb.append("</td>");
        sb.append("</tr>");
             }*/

      File bhostlistFile = new File(BBSCSUtil.getIncludePath() + "ForumCover_BoardHotList_" +
                                    board.getId().longValue() + ".html");
      String boardhostlist = "";
      try {
        boardhostlist = FileUtils.readFileToString(bhostlistFile, Constant.CHARSET);
        if (boardhostlist == null) {
          boardhostlist = "";
        }
      }
      catch (IOException ex) {
        logger.error(ex);
        boardhostlist = "";
      }
      TagUtils.getInstance().write(pageContext, boardhostlist);

      return (SKIP_BODY);
    }

    if (this.getType().equalsIgnoreCase("choice")) {
      File choiceFile = new File(BBSCSUtil.getIncludePath() + "Choice_" + board.getId().longValue() + ".html");
      String choice = "";
      try {
        choice = FileUtils.readFileToString(choiceFile, Constant.CHARSET);
        if (choice == null) {
          choice = "";
        }
      }
      catch (IOException ex) {
        logger.error(ex);
        choice = "";
      }
      TagUtils.getInstance().write(pageContext, choice);

      return (SKIP_BODY);

    }
    return (SKIP_BODY);
  }

  public String getBoardObjName() {
    return boardObjName;
  }

  public String getType() {
    return type;
  }

  public String getBoardListObjName() {

    return boardListObjName;
  }

  public String getCommendListObjName() {
    return commendListObjName;
  }

  public String getBoardHotObjName() {
    return boardHotObjName;
  }

  public void setBoardObjName(String boardObjName) {
    this.boardObjName = boardObjName;
  }

  public void setType(String type) {
    this.type = type;
  }

  public void setBoardListObjName(String boardListObjName) {

    this.boardListObjName = boardListObjName;
  }

  public void setCommendListObjName(String commendListObjName) {
    this.commendListObjName = commendListObjName;
  }

  public void setBoardHotObjName(String boardHotObjName) {
    this.boardHotObjName = boardHotObjName;
  }

}