一个用于安排项目时间表的Java程序

				/*				 *  $Id: Project.java,v 1.1.1.1 2001/03/20 22:17:39 mastermitch Exp $ 				 *				 *  2001 (C) by Christian Garbs 				 *				 *  Licensed under GNU GPL (see COPYING for details)				 *				 */								package de.cgarbs.apps.jprojecttimer;								import java.io.BufferedReader;				import java.io.File;				import java.io.FileReader;				import java.io.PrintStream;				import java.util.Date;								public class Project				{				    File file;								    String name;				    int timeScale;				    boolean anchored;				    Date start;								    TaskList tasks;				    boolean needsToBeSaved;								    public Project()				    {					tasks = new TaskList();					needsToBeSaved = false;					name="";					timeScale = 0;					anchored = false;					start = new Date();				    }				    				    public void readFromStream(File file)				    {					this.file = file;									// ReadFromStream									tasks.removeAllElements();									try {					    BufferedReader in = new BufferedReader(new FileReader(file));					    String s = in.readLine();				     	    if (s.equals("")) {						in.readLine();		// Version						name = in.readLine();						timeScale = Integer.parseInt(in.readLine());						anchored = Boolean.valueOf(in.readLine()).booleanValue();						start.setTime(Long.parseLong(in.readLine()));						tasks.readFromStream(in);					    }					    in.close();					} catch (Exception e) {					    System.err.println(e);					}									    }								    public File getFile()				    {					return file;				    }								    public void setFile(File file)				    {					this.file = file;				    }								    public boolean needsToBeSaved()				    {					if (needsToBeSaved) {					    return true;					}					if (tasks.needsToBeSaved()) {					    return true;					}					return false;				    }								    public void hasBeenSaved()				    {					needsToBeSaved=false;					tasks.hasBeenSaved();				    }								    public TaskList getTaskList()				    {					return tasks;				    }								    public void writeToStream(PrintStream out)				    {					out.println("");					out.println("1");					out.println(name);					out.println(timeScale);					out.println(anchored);					out.println(start.getTime());					tasks.writeToStream(out);					out.println("");				    }				}