/* * To change this template, choose Tools | Templates * and open the template in the editor. */package ui;import java.io.*;import java.util.Scanner;import java.util.StringTokenizer;import java.util.Calendar;import logical.AgendaService;import exception.IOAndFileException;import exception.BadCommandException;/** * 這個方法是批處理命令的類，實現命令的解析和執行，另外輸出結果字符串 * @author zouhao */public class BatchCommand implements Command{    Scanner scanner;    boolean success;    Calendar cal;    int year;    AgendaService agenda;    String filename;    String command;    BufferedReader fileinput ;    Show show;    /**     * 命令的構造函數     */    BatchCommand()    {        agenda = AgendaService.getInstance();        year=2008;        success=false;        cal=Calendar.getInstance();        show=Show.getInstance();    }    /**     * 解析命令方法，如果命令不符合語法規則，拋出異常     * @param input 用于解析的命令輸入字符串     */    public void parse(String input)    {        scanner = new Scanner(input);        StringTokenizer tmp = new StringTokenizer(input);        try{            if(tmp.countTokens()!=2){throw new BadCommandException();}            if(!scanner.next().equals("batch")){throw new BadCommandException();}                success = true;        }        catch (BadCommandException e){}    }    /**     * 執行命令的方法，如果命令執行不成功，拋出異常     * @return 返回成功與否     */    public boolean Execute(){        if(success)        {            filename = scanner.next();            try{                    fileinput = new BufferedReader(new FileReader(filename));                    command = fileinput.readLine();                    while(command!=null)                    {                        System.out.println("Processing:"+command);                        command.toLowerCase();                        StringTokenizer stringtoken = new StringTokenizer(command);                        String temp=stringtoken.nextToken();                        Command com = CommandFactory.factory(temp);                        if(com==null)                        {                            command = fileinput.readLine();                            continue;                        }                        com.parse(command);                        success = com.Execute();                        if(success)                        {                            System.out.println("success to "+temp+"!");                        }                        else {System.out.println("Fail to "+temp+"!");}                        show.ToShow(com.ToString());                        command = fileinput.readLine();                    }                }            catch (FileNotFoundException e){new IOAndFileException(e);}            catch (IOException e){new IOAndFileException(e); }            }        return success;    }                /**     * 打印方法     * @return 結果字符串     */    public String ToString()    {        return "";    }}