meeting.java

分布式议程管理系统

/**
 * 
 */
package sysu.agenda.model;

import java.text.ParseException;
import java.util.Date;

import sysu.agenda.ctrl.InputHelper;
import sysu.agenda.exception.ParameterException;

/**
 * @author Administrator
 * 
 */
public class Meeting {
	private String user = new String();
	private String other = new String();
	private String title = new String("no title");
	private Date start = new Date();
	private Date end = new Date();

	/*
	 * default constructor
	 */
	public Meeting() {
	}

	/*
	 * constructor with parameters
	 */
	public Meeting(String user, String other, String title, Date start, Date end)
			throws ParameterException {
		this.setUser(user, other);
		this.setOther(other, user);
		this.setTitle(title);
		this.setStart(start, end);
		this.setEnd(end, start);
	}

	/**
	 * @param args
	 * @return void
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try {
			Meeting m1 = new Meeting("a", "b", "t", InputHelper.getInstance()
					.StingToDate("4-5-2009"), InputHelper.getInstance()
					.StingToDate("4-6-2009"));
			System.out.println(m1.toString());
		} catch (ParameterException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	/*
	 * setter for start time
	 */
	public void setStart(Date start, Date end) throws ParameterException {
		if (start != null && !start.after(end))
			this.start = start;
		else
			throw new ParameterException("Meeting date overlapped");
	}

	/*
	 * getter for start time
	 */
	public Date getStart() {
		return start;
	}

	/*
	 * setter for end of time
	 */
	public void setEnd(Date end, Date start) throws ParameterException {
		if (end != null && !end.before(start))
			this.end = end;
		else
			throw new ParameterException("Meeting date overlapped");
	}

	/*
	 * getter for the end of time of meeting
	 */
	public Date getEnd() {
		return end;
	}

	/*
	 * setter for user
	 */
	public void setUser(String user, String other) throws ParameterException {
		if (user != null && user.compareTo(other) != 0)
			this.user = user;
		else
			throw new ParameterException("Username cannot be the same.");
	}

	/*
	 * getter for user
	 */
	public String getUser() {
		return user;
	}

	public void setOther(String other, String user) throws ParameterException {
		if (other != null && other.compareTo(user) != 0)
			this.other = other;
		else
			throw new ParameterException("Username cannot be the same.");
	}

	public String getOther() {
		return other;
	}

	public void setTitle(String title) throws ParameterException {
		if (!title.isEmpty())
			this.title = title;
		else
			throw new ParameterException("Title cannot be empty.");
	}

	public String getTitle() {
		return title;
	}

	public String toString() {
		return String
				.format(
						"Title: %1$s\nHost: %2$s; Guest: %3$s\nStart Time: %4$s\nEnd Time: %5$s\n",
						this.title, this.user.toString(),
						this.other.toString(), this.start, this.end);
	}

}