schedule.java

一个日程管理和通讯录管理的软件,采用的Access数据库,其中用到了三个自已写的三个控件:无售点按钮(NFButton.ocx)、带图片的按钮(ImageButton.ocx)、改进的日历控件(Gol

package myBeans;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;


public class Schedule {
	public static synchronized String readFile(String path){
		FileReader fr = null;
		BufferedReader br = null;
		try{
			System.out.println("CommonClass.readFile:"+path);
			fr=new FileReader(path);
			br=new BufferedReader(fr);
		    String line = null;
		    line = br.readLine();
		    StringBuffer sb=new StringBuffer();
		    int i=0;
		    for(i=0;line!=null;line=br.readLine()){
		        sb.append(line+"\r\n");		        
		    }		    
		    //System.out.println(sb.toString());
		    return sb.toString();
		}catch(Exception e){
			e.printStackTrace();
			return null;
		}finally{
			try{
				if(fr != null)
					fr.close();
				if(br != null)
					br.close();
			}catch(Exception e){
				e.printStackTrace();
			}
		}
	    
	}
	
	public static synchronized boolean writeFile(String filePath,String content){
		FileWriter fw = null;
		try{	
			System.out.println("CommonClass.writeFile:"+filePath);
//			if(CommonClass.fileExist(filePath)){
//				//if(CommonClass.deleteFile(filePath)) {
//					FileWriter fw = new FileWriter(filePath);
//					fw.write(content);
//					System.out.println(content);
//					fw.close();
//				//}
//			}else{
				fw = new FileWriter(filePath);
				fw.write(content);
//				System.out.println(content);
//			}
			return true;
		}catch(Exception e1){
		       e1.printStackTrace();
		       return false;
	    }finally{
	    	try{
	    		if(fw != null)
	    			fw.close();
	    	}catch(Exception e){
	    		e.printStackTrace();
	    	}
	    }
	}
	
	public static synchronized boolean fileExist(String path){
	 	boolean result = true;
	 	try{
	 	File file = new File(path);
	 	if(file.exists())
	 		result = true;
	 	else
	 		result = false;
	 	} catch(Exception e){
	 		e.printStackTrace();
	 		result = false;
	 	}
	 	return result;
	 }
	
	public static synchronized void record(String path, String eno, String date, String content){
		String newContent = "";
		boolean foundLine = false;
		FileReader fr = null;
		BufferedReader br = null;
		try {
			if (fileExist(path)) {
				fr = new FileReader(path);
				String line;
				br = new BufferedReader(fr);
				line = br.readLine();
				while (line != null) {
					if (line.indexOf(eno + ";") != -1&& line.indexOf(date + ";") != -1) {
						newContent += eno + ";" + date + ";" + content + "\r\n";
						foundLine = true;
						line = br.readLine();
						continue;
					}
					newContent += line + "\r\n";
					line = br.readLine();
				}
				if (!foundLine) {
					newContent += eno + ";" + date + ";" + content + "\r\n";
				}
			} else {
				newContent = eno + ";" + date + ";" + content + "\r\n";
			}
			writeFile(path, newContent);
		} catch(Exception e){
			e.printStackTrace();
		} finally{
			try{
				if(fr != null)
					fr.close();
				if(br != null)
					br.close();
			}catch(Exception e){
				e.printStackTrace();
			}
		}
	}
	
	public static synchronized String findLine(String path, String eno, String date){
		FileReader fr = null;
		BufferedReader br = null;
		try{
		if(fileExist(path)){
			fr = new FileReader(path);
			String line;
			br = new BufferedReader(fr);
			line = br.readLine();
			while(line != null){
				if(line.indexOf(eno+";")!=-1&&line.indexOf(date+";")!=-1){
					return line;
				}
				line = br.readLine();
			}
		}
		return "";
		} catch (Exception e){
			e.printStackTrace();
			return "";
		} finally{
			try{
				if(fr != null)
					fr.close();
				if(br != null)
					br.close();
			}catch(Exception e){
				e.printStackTrace();
			}
		}
	}
	
	public static synchronized List queryRecord(String path, String eno, String startDate, String endDate){
		List resultList = new ArrayList();
		FileReader fr = null;
		BufferedReader br = null;
		try{
		if(fileExist(path)){
			fr = new FileReader(path);
			String line;
			br = new BufferedReader(fr);
			line = br.readLine();
			while(line != null){
				if(line.indexOf(eno+";")!=-1){
					String date = line.split(";")[1];
					if(dateCompare(date, startDate, endDate))
						resultList.add(line);
				}
				line = br.readLine();
			}
		}
		return resultList;
		} catch (Exception e){
			e.printStackTrace();
			return null;
		} finally{
			try{
				if(fr != null)
					fr.close();
				if(br != null)
					br.close();
			}catch(Exception e){
				e.printStackTrace();
			}
		}
	}
	
	public static boolean dateCompare(String date, String start, String end){
		if(start.equalsIgnoreCase("")&&end.equalsIgnoreCase(""))
			return true;
		StringTokenizer dateST = new StringTokenizer(date,"/",false);
		if(!start.equalsIgnoreCase("")){
			StringTokenizer startST = new StringTokenizer(start,"/",false);
			int d = Integer.parseInt(dateST.nextToken());
			int s = Integer.parseInt(startST.nextToken());
			if(d<s)
				return false;
			if(d==s){
				d = Integer.parseInt(dateST.nextToken());
				s = Integer.parseInt(startST.nextToken());
				if(d<s)
					return false;
				if(d==s){
					d = Integer.parseInt(dateST.nextToken());
					s = Integer.parseInt(startST.nextToken());
					if(d<s)
						return false;
				}
			}
		}
		dateST = new StringTokenizer(date,"/",false);
		if (!end.equalsIgnoreCase("")) {
			StringTokenizer endST = new StringTokenizer(end, "/", false);
			int d = Integer.parseInt(dateST.nextToken());
			int e = Integer.parseInt(endST.nextToken());
			if (d>e)
				return false;
			if(d==e){
				d = Integer.parseInt(dateST.nextToken());
				e = Integer.parseInt(endST.nextToken());
				if(d>e)
					return false;
				if(d==e){
					d = Integer.parseInt(dateST.nextToken());
					e = Integer.parseInt(endST.nextToken());
					if(d>e)
						return false;
				}
			}
		}
		
		return true;
	}
	
	public static void main(String [] args){
		System.out.println(Schedule.dateCompare("2008/08/08", "", ""));
	}
}