harddiskdriver.java

只是一个简单模拟操作系统

/*
 * HardDiskDriver.java
 *
 * Created on 2006年3月15日, 下午9:58
 *
 * To change this template, choose Tools | Options and locate the template under
 * the Source Creation and Management node. Right-click the template and choose
 * Open. You can then make changes to the template in the Source Editor.
 */

package os.memory.harddisk;

/**
 *
 * @author Vernkin
 */
import java.io.*;

public class HardDiskDriver {
    String head = "src/source/";
    
    public static HardDiskDriver hd = new HardDiskDriver();
    /** Creates only a new instance of HardDiskDriver */
    private HardDiskDriver() {
    }
    
    public static HardDiskDriver getInstance(){
        return hd;
    }
    
    public int[] getData(String name){
        
  //      String sour = head+name+".txt";
  //      System.out.println("HDisk Open "+sour);
        BufferedReader br =null,br2 = null;
        int[] ret = null;
        int count=0;
        String temp;
	try{
            br = new BufferedReader(new FileReader(name));
            temp = br.readLine();
             
            while(temp!=null && !temp.equals("")){
		count++;
		temp = br.readLine();
   //            System.out.println(temp);
            } 
            br.close();
            
            if(count == 0) return null;
            ret = new int[count];
            count = 0;
            br2 = new BufferedReader(new FileReader(name));
            
            temp = br2.readLine();
             
            while(temp!=null && !temp.equals("")){
		ret[count++] = Integer.parseInt("0"+temp, 2);
	//	System.out.println(ret[count-1]);
                temp = br2.readLine();
            } 
            
         }catch(IOException e){
		System.out.println(e.getMessage());
                    return ret;
            }
	
        return ret;
        
    }
    
}