commendserviceimp.java

来自「一个jsp写的bbs」· Java 代码 · 共 243 行

package com.laoer.bbscs.service.imp;

import java.io.*;
import java.util.*;

import org.apache.commons.logging.*;
import com.laoer.bbscs.bean.*;
import com.laoer.bbscs.dao.*;
import com.laoer.bbscs.exception.*;
import com.laoer.bbscs.fio.*;
import com.laoer.bbscs.service.*;
import com.laoer.bbscs.service.web.*;
import com.laoer.bbscs.comm.Constant;

/**
 * <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 CommendServiceImp
    implements CommendService {

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

  private CommendDAO commendDAO;

  private ForumDAO forumDAO;

  private CommendFileIO commendFileIO;

  private Cache scriptForumCache;

  public CommendServiceImp() {
  }

  /**
   *
   * @param commend Commend
   * @return Commend
   * @throws BbscsException
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public Commend saveCommend(Commend commend) throws BbscsException {
    try {
      return this.getCommendDAO().saveCommend(commend);
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BbscsException(ex);
    }
  }

  /**
   *
   * @param id String
   * @return Commend
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public Commend findCommendByID(String id) {
    return this.getCommendDAO().findCommendByID(id);
  }

  /**
   *
   * @param postID String
   * @return Commend
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public Commend findCommendByPostID(String postID) {
    return this.getCommendDAO().findCommendByPostID(postID);
  }

  /**
   *
   * @param commendBoardID long
   * @return int
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public int getCommendNumByCommendBoardID(long commendBoardID) {
    return this.getCommendDAO().getCommendNumByCommendBoardID(commendBoardID);
  }

  /**
   *
   * @param commendBoardID long
   * @param pages Pages
   * @return PageList
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public PageList findCommendsByCommendBoardID(long commendBoardID, Pages pages) {
    PageList pl = new PageList();
    if (pages.getTotalNum() == -1) {
      pages.setTotalNum(this.getCommendDAO().getCommendNumByCommendBoardID(commendBoardID));
    }
    pages.executeCount();
    List l = this.getCommendDAO().findCommendsByCommendBoardID(commendBoardID, pages.getSpage(),
        pages.getPerPageNum());
    pl.setObjectList(l);
    pl.setPages(pages);
    return pl;
  }

  /**
   *
   * @param commendTop int
   * @return int
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public int getCommendNumByCommendTop(int commendTop) {
    return this.getCommendDAO().getCommendNumByCommendTop(commendTop);
  }

  /**
   *
   * @param commendTop int
   * @param pages Pages
   * @return PageList
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public PageList findCommendsByCommendTop(int commendTop, Pages pages) {
    PageList pl = new PageList();
    if (pages.getTotalNum() == -1) {
      pages.setTotalNum(this.getCommendDAO().getCommendNumByCommendTop(commendTop));
    }
    pages.executeCount();
    List l = this.getCommendDAO().findCommendsByCommendTop(commendTop, pages.getSpage(),
        pages.getPerPageNum());
    pl.setObjectList(l);
    pl.setPages(pages);
    return pl;
  }

  /**
   *
   * @param commend Commend
   * @throws BbscsException
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public void removeCommend(Commend commend) throws BbscsException {
    try {
      this.getCommendDAO().removeCommend(commend);
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BbscsException(ex);
    }
  }

  /**
   *
   * @param postID String
   * @throws BbscsException
   * @todo Implement this com.laoer.bbscs.service.CommendService method
   */
  public void removeCommend(String postID) throws BbscsException {
    try {
      this.getCommendDAO().removeCommend(postID);
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BbscsException(ex);
    }
  }

  public void removeCommend(long commendBoardID, List ids) throws BbscsException {
    List l = this.getCommendDAO().findCommendsInIds(ids);
    try {
      for (int i = 0; i < l.size(); i++) {
        Commend c = (Commend) l.get(i);
        Forum f = this.getForumDAO().findForumByID(c.getPostID(), c.getBoardID());
        f.setCommend(0);
        this.getForumDAO().saveForum(f);
        this.getCommendDAO().removeCommend(c);
      }
      List commendList = this.getCommendDAO().findCommendsByCommendBoardID(commendBoardID, 0, 10);
      this.getCommendFileIO().saveCommendInReadPageFile(commendBoardID, commendList);
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BbscsException(ex);
    }
  }

  public void createCommendTopFile(int num) throws BbscsException {
    List l = this.getCommendDAO().findCommendsByCommendTop(0, 0, num);
    try {
      this.getCommendFileIO().saveCommendInReadPageFile(0, l);
    }
    catch (IOException ex) {
      logger.error(ex);
      throw new BbscsException(ex);
    }
  }

  public List findCommendsByCommendTopCache(int commendTop, int num) {
    List l = (List)this.getScriptForumCache().get(Constant.COMMEND_CACHE_NAME);
    if (l == null) {
      l = this.getCommendDAO().findCommendsByCommendTop(commendTop, 0, num);
      this.getScriptForumCache().add(Constant.COMMEND_CACHE_NAME, l);
    }
    return l;
  }

  public CommendDAO getCommendDAO() {
    return commendDAO;
  }

  public ForumDAO getForumDAO() {
    return forumDAO;
  }

  public CommendFileIO getCommendFileIO() {
    return commendFileIO;
  }

  public Cache getScriptForumCache() {
    return scriptForumCache;
  }

  public void setCommendDAO(CommendDAO commendDAO) {
    this.commendDAO = commendDAO;
  }

  public void setForumDAO(ForumDAO forumDAO) {
    this.forumDAO = forumDAO;
  }

  public void setCommendFileIO(CommendFileIO commendFileIO) {
    this.commendFileIO = commendFileIO;
  }

  public void setScriptForumCache(Cache scriptForumCache) {
    this.scriptForumCache = scriptForumCache;
  }
}