articleserviceimp.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.BlogDAO;
import com.opensource.blog.exception.BlogException;
import com.opensource.blog.model.Article;
import com.opensource.blog.model.Blog;
import com.opensource.blog.service.ArticleService;


public class ArticleServiceImp
    implements ArticleService {

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

  private ArticleDAO articleDAO;

  private BlogDAO blogDAO;

  public ArticleServiceImp() {
  }

  /**
   *
   * @param article Article
   * @return Article
   * @throws BlogException
   * @todo Implement this com.opensource.blog.service.ArticleService method
   */
  public Object[] createArticle(Article article, Blog blog) throws BlogException {
    try {
      article = this.getArticleDAO().saveArticle(article);
      int totalnum = this.getArticleDAO().getArticleNumByBlogID(blog.getId().longValue());
      blog.setArttotal(totalnum);
      blog = this.getBlogDAO().saveBlog(blog);
      Object[] o = {article, blog};
      return o;
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BlogException(ex);
    }
  }

  public Article saveArticle(Article article) throws BlogException {
    try {
      return this.getArticleDAO().saveArticle(article);
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BlogException(ex);
    }
  }

  public Article findArticleByID_BlogID(long id, long blogID) {
    return this.getArticleDAO().findArticleByID_BlogID(id, blogID);
  }

  /**
   *
   * @param blogID long
   * @return int
   * @todo Implement this com.opensource.blog.service.ArticleService method
   */
  public int getArticleNumByBlogID(long blogID) {
    return this.getArticleDAO().getArticleNumByBlogID(blogID);
  }

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

  /**
   *
   * @param blogID long
   * @param sortID long
   * @return int
   * @todo Implement this com.opensource.blog.service.ArticleService method
   */
  public int getArticleNumBySort(long blogID, long sortID) {
    return this.getArticleDAO().getArticleNumBySort(blogID, sortID);
  }

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

  }

  /**
   *
   * @param blogID long
   * @param postDate String
   * @return int
   * @todo Implement this com.opensource.blog.service.ArticleService method
   */
  public int getArticleNumByPostDate(long blogID, String postDate) {
    return this.getArticleDAO().getArticleNumByPostDate(blogID, postDate);
  }

  /**
   *
   * @param blogID long
   * @param postDate String
   * @param pages Pages
   * @return PageList
   * @todo Implement this com.opensource.blog.service.ArticleService method
   */
  public PageList findArticlesByPostDate(long blogID, String postDate, Pages pages) {
    PageList pl = new PageList();
    if (pages.getTotals() == -1) {
      pages.setTotals(this.getArticleDAO().getArticleNumByPostDate(blogID, postDate));
    }
    pages.doPageBreak();
    List l = this.getArticleDAO().findArticlesByPostDate(blogID, postDate, pages.getSpage(),
        pages.getPerPageNum());
    pl.setObjectList(l);
    pl.setPageShowString(pages.getListPageBreak());
    pl.setPages(pages);
    return pl;
  }

  public int getArticleNumByBlogID_IsHide(long blogID, int ishide) {
    return this.getArticleDAO().getArticleNumByBlogID_IsHide(blogID, ishide);
  }

  public PageList findArticlesByBlogID_IsHide(long blogID, int ishide, Pages pages) {
    PageList pl = new PageList();
    if (pages.getTotals() == -1) {
      pages.setTotals(this.getArticleDAO().getArticleNumByBlogID_IsHide(blogID, ishide));
    }
    pages.doPageBreak();
    List l = this.getArticleDAO().findArticlesByBlogID_IsHide(blogID, ishide, pages.getSpage(),
        pages.getPerPageNum());
    pl.setObjectList(l);
    pl.setPageShowString(pages.getListPageBreak());
    pl.setPages(pages);
    return pl;
  }

  public List findArticlesGroupByPostDate(long blogID) {
    return this.getArticleDAO().findArticlesGroupByPostDate(blogID);
  }

  public String getPostDateStr(long blogID) {
    List l = this.findArticlesGroupByPostDate(blogID);
    String s;
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < l.size(); i++) {
      s = (String) l.get(i);
      sb.append(s);
      sb.append(",");
    }
    return sb.toString();
  }

  public PageList findArticlesAll(Pages pages) {
    PageList pl = new PageList();
    if (pages.getTotals() == -1) {
      pages.setTotals(this.getArticleDAO().getArticleAllNum());
    }
    pages.doPageBreak();
    List l = this.getArticleDAO().findArticlesAll(pages.getSpage(), pages.getPerPageNum());
    pl.setObjectList(l);
    pl.setPageShowString(pages.getListPageBreak());
    pl.setPages(pages);
    return pl;
  }

  /**
   *
   * @param article Article
   * @throws BlogException
   * @todo Implement this com.opensource.blog.service.ArticleService method
   */
  public void removeArticle(Article article) throws BlogException {
    try {
      this.getArticleDAO().removeArticle(article);
    }
    catch (Exception ex) {
      throw new BlogException(ex);
    }
  }

  public ArticleDAO getArticleDAO() {
    return articleDAO;
  }

  public BlogDAO getBlogDAO() {
    return blogDAO;
  }

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

  public void setBlogDAO(BlogDAO blogDAO) {
    this.blogDAO = blogDAO;
  }
}