frienduseroperimp.java

来自「jaguey,网上的一个朋友给我的」· Java 代码 · 共 130 行

package net.javapassion.jaguey.service.imp;

import java.util.Date;
import java.util.List;
import java.util.Iterator;
import net.javapassion.jaguey.core.Log;
import net.javapassion.jaguey.util.DateUtil;
import net.javapassion.jaguey.domain.FriendUser;
import net.javapassion.jaguey.dao.FriendUserDao;
import net.javapassion.jaguey.service.FriendUserOper;

//版本: JagueyBBS 1.1
//功能: 论坛好友业务逻辑实现
//作者: 赵程佳
//时间: 2006-02-10 14:01:11

public class FriendUserOperImp implements FriendUserOper {
	private FriendUserDao friendUserDao;
	
	//保存论坛好友
	public String saveFriendUser(FriendUser friendUser) {
		try {
			this.friendUserDao.saveFriendUser(friendUser);
			return "success";
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return "failed";
		}
	}
	
	//删除论坛好友
	public String deleteFriendUser(String id) {
		try {
			FriendUser friendUser = this.friendUserDao.getFriendUserById(id);
			if (friendUser != null) {
				this.friendUserDao.deleteFriendUser(friendUser);
				return "success";
			} else {
				return "can't find data";
			}
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return "failed";
		}
	}
	
	//删除论坛好友与好友主用户
	public String deleteFriendUsers(String id) {
		try {
			FriendUser firstFU = this.friendUserDao.getFriendUserById(id);
			if (firstFU != null) {
				FriendUser secondFU = this.friendUserDao.getFriendUserBy2Id(firstFU.getFriendUserId(), firstFU.getUserId());
				if (secondFU != null) {
					this.friendUserDao.deleteFriendUser(firstFU);
					this.friendUserDao.deleteFriendUser(secondFU);
					return "success";
				} else {
					return "can't find data";
				}
			} else {
				return "can't find data";
			}
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return "failed";
		}
	}
	
	//获取全部好友
	public List getFriendUsers() {
		try {
			return this.friendUserDao.getFriendUsers();
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return null;
		}
	}
	
	//获取特定用户的好友
	public List getFriendUserByUser(Long userId) {
		try {
			return this.friendUserDao.getFriendUserByUserId(userId);
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return null;
		}
	}
	
	//创建论坛好友编号
	public String makeFriendId() {
		String friendId = "";
		try {
			List list = this.friendUserDao.getFriendUserByLikeId(DateUtil.formatDate7(new Date()));
			if (list.size() == 0) {
				return DateUtil.formatDate7(new Date()) + "0001";
			} else {
				Iterator it = list.iterator();
				int i = 1;
				while (it.hasNext()) {
					if (i == list.size()) {
						FriendUser friendUser = (FriendUser) it.next();
						friendId = String.valueOf(Integer.parseInt(friendUser.getId().substring(6)) + 1);
						if (Integer.parseInt(friendId) != 10000) {
							switch (friendId.length()) {
								case 1 : friendId = "000" + friendId; break;
								case 2 : friendId = "00" + friendId; break;
								case 3 : friendId = "0" + friendId; break;
							}
						} else {
							Log.info("The friendId have already exceed to allow max quantity!");
							friendId = "0000";
						}
					} else {
						i++;
						continue;
					}
				}
				return DateUtil.formatDate7(new Date()) + friendId;
			}
		} catch (Exception ex) {
			Log.error(ex.getMessage(), ex);
			return "";
		}
	}
	
	public void setFriendUserDao(FriendUserDao friendUserDao) {
		this.friendUserDao = friendUserDao;
	}
}