noteserviceimp.java

是一个网站的博客系统

package com.opensource.blog.service.imp;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.laoer.comm.web.PageList;
import com.laoer.comm.web.Pages;
import com.opensource.blog.dao.ArticleDAO;
import com.opensource.blog.dao.NoteDAO;
import com.opensource.blog.exception.BlogException;
import com.opensource.blog.model.Article;
import com.opensource.blog.model.Note;
import com.opensource.blog.service.NoteService;


public class NoteServiceImp
    implements NoteService {

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

  private NoteDAO noteDAO;

  private ArticleDAO articleDAO;

  public NoteServiceImp() {
  }

  /**
   *
   * @param note Note
   * @return Note
   * @throws BlogException
   * @todo Implement this com.opensource.blog.service.NoteService method
   */
  public Note saveNote(Note note) throws BlogException {
    try {
      return this.getNoteDAO().saveNote(note);
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BlogException(ex);
    }
  }

  /**
   *
   * @param id long
   * @param blogID long
   * @return Note
   * @todo Implement this com.opensource.blog.service.NoteService method
   */
  public Note findNoteByID_BlogID(long id, long blogID) {
    return this.getNoteDAO().findNoteByID_BlogID(id, blogID);
  }

  /**
   *
   * @param artID long
   * @return int
   * @todo Implement this com.opensource.blog.service.NoteService method
   */
  public int getNoteCountByArtID(long artID) {
    return this.getNoteDAO().getNoteCountByArtID(artID);
  }

  /**
   *
   * @param artID long
   * @return List
   * @todo Implement this com.opensource.blog.service.NoteService method
   */
  public List findNotesByArtID(long artID) {
    return this.getNoteDAO().findNotesByArtID(artID);
  }

  /**
   *
   * @param blogID long
   * @return int
   * @todo Implement this com.opensource.blog.service.NoteService method
   */
  public int getNoteCountByBlogID(long blogID) {
    return this.getNoteDAO().getNoteCountByBlogID(blogID);
  }

  /**
   *
   * @param blogID long
   * @param pages Pages
   * @return PageList
   * @todo Implement this com.opensource.blog.service.NoteService method
   */
  public PageList findNotesByBlogID(long blogID, Pages pages) {
    PageList pl = new PageList();
    if (pages.getTotals() == -1) {
      pages.setTotals(this.getNoteDAO().getNoteCountByBlogID(blogID));
    }
    pages.doPageBreak();
    List l = this.getNoteDAO().getNotesByBlogID(blogID, pages.getSpage(), pages.getPerPageNum());
    pl.setObjectList(l);
    pl.setPageShowString(pages.getListPageBreak());
    pl.setPages(pages);
    return pl;
  }

  /**
   *
   * @param note Note
   * @throws BlogException
   * @todo Implement this com.opensource.blog.service.NoteService method
   */
  public void removeNote(Note note) throws BlogException {
    try {
      long artID = note.getArtid();
      Article art = this.getArticleDAO().findArticleByID_BlogID(note.getArtid(),note.getBlogid());
      this.getNoteDAO().removeNote(note);
      int num = this.getNoteCountByArtID(artID);
      if (art != null) {
        art.setCommentnum(num);
        this.getArticleDAO().saveArticle(art);
      }
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BlogException(ex);
    }
  }

  public NoteDAO getNoteDAO() {
    return noteDAO;
  }

  public ArticleDAO getArticleDAO() {
    return articleDAO;
  }

  public void setNoteDAO(NoteDAO noteDAO) {
    this.noteDAO = noteDAO;
  }

  public void setArticleDAO(ArticleDAO articleDAO) {
    this.articleDAO = articleDAO;
  }
}