client.java

一个简单的RMI远程调用程序 java编写的 课程设计的源代码

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.rmi.Naming;
import java.rmi.NotBoundException;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Vector;

class Client {

	static BufferedReader stdin = new BufferedReader(new InputStreamReader(
			System.in));

	public static void main(String args[]) throws IOException {

		System.out.println("Looking for Meeting server");

		try {
			String registry = "localhost";
			String registration = "rmi://" + registry + "/Meeting";
			Remote remoteService = Naming.lookup(registration);
			Service service = (Service) remoteService;

			while (true) {
				printMenu();
				int ch = stdin.read();

				if (ch == '1') {
					spAddUser(service);
				} else if (ch == '2') {
					spAddMeeting(service);
				} else if (ch == '3') {
					query(service);
				} else if (ch == '4') {
					delete(service);
				} else if (ch == '5') {
					clear(service);
				} else if (ch == '6') {
					displayAllUser(service);
				} else if (ch == '7') {
					displayAllMeeting(service);
				} else if (ch == '8') {
					System.exit(0);
				}

			}

		} catch (NotBoundException e) {
			System.out.println("No light bulb server avaliable");
		} catch (MalformedURLException e) {

			System.out.println("Remote Erro-" + e);
		} catch (RemoteException e) {

			System.out.println("Erro-" + e);
		}
	}

	public static void spAddUser(Service service) throws IOException {

		stdin.readLine();

		System.out.print("username: ");
		String username = stdin.readLine();
		System.out.print("pwd:");
		String pwd = stdin.readLine();

		if (service.addUser(username, pwd)) {
			System.out.println("user is exist");
		} else {
			System.out.println("register : [" + username + "] [" + pwd + "]");
		}
	}

	public static void spAddMeeting(Service service) throws IOException {

		stdin.readLine();

		System.out.print("host: ");
		String host = stdin.readLine();
		System.out.print("pwd:");
		String pwd = stdin.readLine();
		System.out.print("gest: ");
		String gest = stdin.readLine();

		System.out.print("startTime: ");
		String startTimeStr = stdin.readLine();
		Date startTime = StringConvertToDate(startTimeStr);

		System.out.print("endTime: ");
		String endTimeStr = stdin.readLine();
		Date endTime = StringConvertToDate(endTimeStr);

		System.out.print("title: ");
		String title = stdin.readLine();

		System.out.println(service.addMeeting(host, pwd, gest, startTime,
				endTime, title));

	}

	public static void query(Service service) throws IOException {

		stdin.readLine();

		System.out.print("username: ");
		String username = stdin.readLine();
		System.out.print("pwd:");
		String pwd = stdin.readLine();

		System.out.print("startTime: ");
		String startTimeStr = stdin.readLine();
		Date startTime = StringConvertToDate(startTimeStr);

		System.out.print("endTime: ");
		String endTimeStr = stdin.readLine();
		Date endTime = StringConvertToDate(endTimeStr);

		Vector result = service.queryMeeting(username, pwd, startTime, endTime);

		System.out.println("The Meeting can Find:");
		for (int i = 0; i < result.size(); i++) {
			System.out.println(result.get(i).toString());
		}

	}

	public static Date StringConvertToDate(String dateStringToParse) {

		SimpleDateFormat bartDateFormat = new SimpleDateFormat("MM-dd-yyyy");

		Date date = new Date();
		try {
			date = bartDateFormat.parse(dateStringToParse);

			return date;
		} catch (Exception ex) {
			System.out.println(ex.getMessage());
		}
		return date;
	}

	public static void delete(Service service) throws IOException {

		stdin.readLine();

		System.out.print("username: ");
		String username = stdin.readLine();
		System.out.print("pwd:");
		String pwd = stdin.readLine();

		System.out.print("title: ");
		String title = stdin.readLine();

		if(service.deleteMeeting(username, pwd, title)){
			System.out.println("delete Meeting " + title);
		}

	}

	public static void clear(Service service) throws IOException {

		stdin.readLine();

		System.out.print("username: ");
		String username = stdin.readLine();
		System.out.print("pwd:");
		String pwd = stdin.readLine();

		if (service.clearMeeting(username, pwd)) {
			System.out.println("Clear All Meeting of " + username);
		}

	}

	public static void displayAllUser(Service service) throws IOException {
		stdin.readLine();
		System.out.println(service.allUser());

	}

	public static void displayAllMeeting(Service service)
			throws IOException {
		stdin.readLine();
		System.out.println(service.allMeeting());

	}

	public static void printMenu() {

		System.out.println("");
		System.out.println("1 register user");
		System.out.println("2 add meeting");
		System.out.println("3 query meeting ");
		System.out.println("4 delete meeting ");
		System.out.println("5 clear meeting ");
		System.out.println("6 display user");
		System.out.println("7 display meeting ");
		System.out.println("8 exit ");
		System.out.print("select your choice:");
	}

}