board.java

大富翁游戏monopoli

import java.io.*;
import java.util.*;
import java.util.regex.*;

public class Board {
  private Allotment[] board;
  private String filename;

 // private Hashtable<LotColors, int[]> _sets = new Hashtable<LotColors, int[3]>();  // contiene i lotti per colore
 // private Hashtable<LotColors, Integer> _owns = new Hashtable<LotColors, Integer>(); // un lotto appartiene allo stesso player?

  private int _go, _jail, _goto;

  private Board() {}
  public Board(String fn) throws IOException, FileNotFoundException {
    this.filename = fn;
    reload();
  }

  public int getGo() {return _go;}
  public int getJail() {return _jail;}
  public String toString() {
    String aux = "";
    for (Allotment a : board) aux += a;
    return aux;
  }
  
  public void setBoard(String cfn) {
    board = new Allotment[40];
    int i = 0;

    Pattern p = Pattern.compile("([CRL123HTG J>])([a-zA-Z0-9 `'!]+)\\$([ycprvobg]?)");
    Matcher m = p.matcher(cfn);
    while (m.find()) { 
      //System.out.println(m.group(1).charAt(0));
      switch (m.group(1).charAt(0)) {
        case 'C': board[i++] = new Company(m.group(2)); break;
        case 'R': board[i++] = new RailwayStation(m.group(2)); break;
        case 'L': board[i++] = new Lot(m.group(2),LotColors.toColor(m.group(3).charAt(0))); break;
        case '1': board[i++] = new LotWithAHouse(m.group(2),LotColors.toColor(m.group(3).charAt(0))); break;
        case '2': board[i++] = new LotWithTwoHouses(m.group(2),LotColors.toColor(m.group(3).charAt(0))); break;
        case '3': board[i++] = new LotWithThreeHouses(m.group(2),LotColors.toColor(m.group(3).charAt(0))); break;
        case 'H': board[i++] = new LotWithAnHotel(m.group(2),LotColors.toColor(m.group(3).charAt(0))); break;
        case 'T': board[i++] = new Tax(m.group(2)); break;
        case 'G': _go=i; board[i++] = new Go(m.group(2)); break;
        case ' ': board[i++] = new FreeLot(m.group(2)); break;
        case 'J': _jail=i; board[i++] = new Jail(m.group(2)); break;
        case '>': _goto=i; board[i++] = new GoToJail(m.group(2)); break;
      }
    }
  } 

  public void setEstate(int[] estate, int owner) {
    for(int e : estate) {
      board[e-1].setOwner(owner);
    }
  }

  public String getBoard() {return this.toString();}
  public void write() throws IOException {
    PrintWriter out = new PrintWriter(new FileWriter(filename, true));
    out.println(this.toString());
    out.close();  
  }
  public void reload() throws IOException, FileNotFoundException {
    BufferedReader in = new BufferedReader(new FileReader(filename));
    String tmp_line, line = in.readLine();
    tmp_line = line;
    while(line != null) {
      tmp_line = line;
      line = in.readLine();
    }
    in.close();
    setBoard(tmp_line);  
  } 

  public Object clone() throws CloneNotSupportedException {
    Board Dolly = new Board();
    try { Dolly.setBoard(""+this); } catch(Exception e) {}
    return Dolly;  
  }

  public void backup(String fn) throws IOException, CloneNotSupportedException {
      Board copied = (Board)this.clone();
      copied.filename = fn;
      PrintWriter out = new PrintWriter(new FileWriter(fn));
      out.write("");
      out.close();
      copied.write();
  }
  public Allotment getAllotment(int i) {return board[i];}
  public void setAllotment(int i, Allotment a) {board[i]=a;}
  public String getFilename() {return filename;}
  public void setFilename(String fn) {filename = fn;}
}