东北大学程序实践三网络编程

import java.rmi.*; import java.util.*; import java.rmi.server.UnicastRemoteObject; public class InterfacesImp extends UnicastRemoteObject implements Interfaces { private ArrayList<Users> user= new ArrayList<Users>(); //用户数组 private ArrayList<Meeting> meet=new ArrayList<Meeting>(); //会议数组 public InterfacesImp()throws java.rmi.RemoteException { super(); } public Iterator<Users> iterator() { return this.user.iterator(); } public Iterator<Meeting> iterator1(){ return this.meet.iterator(); } //新用户注册 public String register(String name, String passwords) throws RemoteException { //先判断用户是否存在 String str=""; int num=0; for( Users user2: this.user ) { if(user2.GetName().equals(name)) { str+="该用户名已经被使用，无法重新注册！"; break; } else num++; } if(num == this.user.size()) { Users user1=new Users(name,passwords); user.add(user1); str+="注册成功，恭喜您称为新用户！"; } return str; } //查询已注册的所有用户 public String searchall() throws RemoteException { String str=""; if(user==null) { str+="目前没有用户,请添加新用户"; } int i=0; for(Users user: this.user) { i++; str+="用户名"+user.GetName() +"\n\r"; } str+="用户总数量"+ i +"\n\r"; return str; } // 添加会议 public String add(String userName, String password, String otherUserName, String title, String startTime, String endTime) throws RemoteException { boolean flag =false; boolean flag1 =false; boolean flag2=false; boolean flag3=false; boolean flag4=false; String str=" "; //先判断要参加会议的用户是否存在 Iterator<Users> it=user.iterator(); try{ int num=0; while(it.hasNext()) { Users userTemp = it.next(); if(userTemp.GetName().equals(userName)&&userTemp.GetPasswords().equals(password)) { flag1=true;} else if(num==this.user.size()-1) { str="输入的会议召开者不存在！"; flag=false; } else { num++;} } if(flag1) { Iterator<Meeting> met=meet.iterator(); int num4=0; while(met.hasNext()) { Meeting meetTemp = met.next(); if((meetTemp.GetUser().GetName().equals(userName))||(meetTemp.GetOtherusername().equals(userName))) { String starttime[]=startTime.split(":");String start1=starttime[0];String start2=starttime[1]; String starTime[]=meetTemp.StartTime().split(":");String start3=starTime[0];String start4=starTime[1]; String endtime[]=endTime.split(":");String end1=endtime[0];String end2=endtime[1]; String enTime[]=meetTemp.EndTime().split(":");String end3=enTime[0];String end4=enTime[1]; if(!(((Integer.parseInt(start3)*60+Integer.parseInt(start4))>=(Integer.parseInt(end1)*60+Integer.parseInt(end2))) ||((Integer.parseInt(end3)*60+Integer.parseInt(end4))<=(Integer.parseInt(start1)*60+Integer.parseInt(start2))))) { str+="时间与会议召开者的已确定会议时间相冲突！";flag=false;break;//flag2=false;//flag1=false; } else num4++; } else num4++; if(num4==this.meet.size()) { flag=true;} } while(this.meet.size()==0) { Users user2=new Users(userName,password); Meeting meet1=new Meeting(startTime,endTime,title,otherUserName,user2); meet.add(meet1); user2.SetMeet(meet1); str+="添加会议成功\n"; str+="会议的ID号："+meet1.GetId()+"会议的主题："+meet1.GetTilte()+"会议时间"+meet1.StartTime()+"--" +meet1.EndTime(); } } }catch(Exception e) {e.printStackTrace();} try{ //判断用户是否有会议 if(flag) { int num1=0; int num2=0; for(Users user: this.user) { if(user.GetName().equals(otherUserName)) { Iterator<Meeting> met=meet.iterator(); while(met.hasNext()) { Meeting meetTemp = (Meeting)met.next(); if((meetTemp.GetOtherusername().equals(otherUserName))||(meetTemp.GetUser().GetName().equals(otherUserName))) { flag3=true; } else num2++; } if(num2==this.meet.size()) {flag3=true;} } else if(num1==this.user.size()-1) {str+="被邀请的与会人员不存在！"; flag3=false;} else num1++; } } if(flag3) { int num3=0; Iterator<Meeting> met=meet.iterator(); while(met.hasNext()) { Meeting meetTemp = (Meeting)met.next(); //while(flag3){ if((meetTemp.GetOtherusername().equals(otherUserName))||(meetTemp.GetUser().GetName().equals(otherUserName))) { System.out.println("www"); String starttime[]=startTime.split(":");String start1=starttime[0];String start2=starttime[1]; String starTime[]=meetTemp.StartTime().split(":");String start3=starTime[0];String start4=starTime[1]; String endtime[]=endTime.split(":");String end1=endtime[0];String end2=endtime[1]; String enTime[]=meetTemp.EndTime().split(":");String end3=enTime[0];String end4=enTime[1]; if(!(((Integer.parseInt(start3)*60+Integer.parseInt(start4))>=(Integer.parseInt(end1)*60+Integer.parseInt(end2))) ||((Integer.parseInt(end3)*60+Integer.parseInt(end4))<=(Integer.parseInt(start1)*60+Integer.parseInt(start2))))) { str+="时间与被邀请者的已确定会议时间相冲突！";break; } else num3++;//flag3=true; } else num3++; } if(num3==this.meet.size()) { Users user2=new Users(userName,password); Meeting meet1=new Meeting(startTime,endTime,title,otherUserName,user2); meet.add(meet1); user2.SetMeet(meet1); str+="添加会议成功\n"; str+="会议的ID号："+meet1.GetId()+"会议的主题："+meet1.GetTilte()+"会议时间"+meet1.StartTime()+"--" +meet1.EndTime(); } } }catch(Exception e) {e.printStackTrace();} return str; } //查询会议详细信息 public String query(String userName, String password, String start, String end) throws RemoteException { String str = " "; String str1 = ""; for(Meeting meet:this.meet){ if((meet.GetUser().GetName().equals(userName) &&meet.GetUser().GetPasswords().equals(password))|| meet.GetOtherusername().equals(userName)){ String starttime[]=start.split(":"); String start1=starttime[0]; String start2=starttime[1]; String startTime[]=meet.StartTime().split(":"); String start3=startTime[0]; String start4=startTime[1]; String endtime[]=end.split(":"); String end1=endtime[0]; String end2=endtime[1]; String endTime[]=meet.EndTime().split(":"); String end3=endTime[0]; String end4=endTime[1]; if(((Integer.parseInt(start3)*60+Integer.parseInt(start4))>=(Integer.parseInt(start1)*60+Integer.parseInt(start2))) &&((Integer.parseInt(end3)*60+Integer.parseInt(end4))<=(Integer.parseInt(end1)*60+Integer.parseInt(end2)))){ str1 = "会议"+ meet.GetId() + ":开始时间：" + meet.StartTime() + "结束时间：" + meet.EndTime() + "主题：" + meet.GetTilte()+ "会议召开者："+meet.GetUser().GetName()+"与会其他人员："+meet.GetOtherusername()+"\n"; str=str+"\n"+str1; } } } if(str.equals(" ")) str = "查询的会议没有或无此用户！"; else str=str; return str; } // 取消用户的指定会�