colltopicoperimp.java

来自「jaguey,网上的一个朋友给我的」· Java 代码 · 共 126 行

package net.javapassion.jaguey.service.imp;

import java.util.List;
import java.util.Date;
import java.util.Iterator;
import net.javapassion.jaguey.core.Log;
import net.javapassion.jaguey.util.DateUtil;
import net.javapassion.jaguey.domain.CollTopic;
import net.javapassion.jaguey.dao.CollTopicDao;
import net.javapassion.jaguey.service.CollTopicOper;

//版本: JagueyBBS 1.1
//功能: 论坛收藏帖子业务逻辑实现
//作者: 赵程佳
//时间: 2006-02-10 13:16:51

public class CollTopicOperImp implements CollTopicOper {
	private CollTopicDao collTopicDao;
	
	//保存收藏帖子
	public String saveCollTopic(CollTopic collTopic) {
		try {
			this.collTopicDao.saveCollTopic(collTopic);
			return "success";
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return "failed";
		}
	}
	
	//删除收藏帖子
	public String deleteCollTopic(String collId) {
		try {
			CollTopic collTopic = this.collTopicDao.getCollTopicById(collId);
			if (collTopic != null) {
				this.collTopicDao.deleteCollTopic(collTopic);
				return "success";
			} else {
				return "can't find data";
			}
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return "failed";
		}
	}
	
	//通过收藏帖子编号获取收藏帖子
	public CollTopic getCollTopicById(String collId) {
		try {
			CollTopic collTopic = this.collTopicDao.getCollTopicById(collId);
			if (collTopic != null) {
				return collTopic;
			} else {
				Log.warn("Use collId can't find CollTopic!");
				return null;
			}
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return null;
		}
	}
	
	//通过用户获取收藏帖子
	public List getCollTopicByUser(Long userId) {
		try {
			return this.collTopicDao.getCollTopicByUser(userId);
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return null;
		}
	}
	
	//获取特定帖子被收藏的次数
	public int getCollCountById(String topicId) {
		try {
			return this.collTopicDao.getCollCountByTopicId(topicId);
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return 0;
		}
	}
	
	//创建收藏帖子编号
	public String makeCollId() {
		String collId = "";
		try {
			List list = this.collTopicDao.getCollTopicLikeId(DateUtil.formatDate7(new Date()));
			if (list.size() == 0) {
				return DateUtil.formatDate7(new Date()) + "000001";
			} else {
				Iterator it = list.iterator();
				int i = 1;
				while (it.hasNext()) {
					if (i == list.size()) {
						CollTopic collTopic = (CollTopic) it.next();
						collId = String.valueOf(Integer.parseInt(collTopic.getCollId().substring(6)) + 1);
						if (Integer.parseInt(collId) != 1000000) {
							switch (collId.length()) {
								case 1 : collId = "00000" + collId; break;
								case 2 : collId = "0000" + collId; break;
								case 3 : collId = "000" + collId; break;
								case 4 : collId = "00" + collId; break;
								case 5 : collId = "0" + collId; break;
							}
						} else {
							Log.info("The collId have already exceed to allow max quantity!");
							collId = "000000";
						}
					} else {
						i++;
						continue;
					}
				}
				return DateUtil.formatDate7(new Date()) + collId;
			}
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return "";
		}
	}
	
	public void setCollTopicDao(CollTopicDao collTopicDao) {
		this.collTopicDao = collTopicDao;
	}
}