blogserviceimp.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.BlogDAO;
import com.opensource.blog.exception.BlogException;
import com.opensource.blog.model.Blog;
import com.opensource.blog.service.BlogService;


public class BlogServiceImp
    implements BlogService {

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

  private BlogDAO blogDAO;

  public BlogServiceImp() {
  }

  /**
   *
   * @param blog Blog
   * @return Blog
   * @throws BlogException
   * @todo Implement this com.opensource.blog.service.BlogService method
   */
  public Blog saveBlog(Blog blog) throws BlogException {
    try {
      return this.getBlogDAO().saveBlog(blog);
    }
    catch (Exception ex) {
      logger.error(ex);
      throw new BlogException(ex);
    }
  }

  public Blog findBlogByID(long id) {
    return this.getBlogDAO().findBlogByID(id);
  }

  /**
   *
   * @param userName String
   * @return Blog
   * @todo Implement this com.opensource.blog.service.BlogService method
   */
  public Blog findBlogByUserName(String userName) {
    return this.getBlogDAO().findBlogByUserName(userName);
  }

  /**
   *
   * @param blog Blog
   * @todo Implement this com.opensource.blog.service.BlogService method
   */
  public void createBlogIndexFile(Blog blog) {
  }

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

  }

  public BlogDAO getBlogDAO() {
    return blogDAO;
  }

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