callback.java

用位视图实现磁盘的回收与分配 java+jsp

package xingxing;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class CallBack {
    private int word[] = new int[640];// 字号
	private int bit[] = new int[640];// 位号
	
	RunControl ds = new RunControl();
	int data3[][] = ds.readData();
	
	String FileName3 = "D:\\workspace\\OSDesign\\WebRoot\\myfile\\mydata3.dat";
	
	public void cdisk(int c,int t,int p,int l){
		int i,j,k=0,s=0;
		i=c;
		j=t*4+p;
		while(k<l){
			if(data3[i][j] == 1){
				word[s]=i;
				bit[s]=j;
			    data3[i][j] = 0;
			    j++;
			    k++;
			    s++;
			    if(j==16&&k<l){
			    	i++;
			    	j=0;
			    	if(i==40)
			    		break;
			    }
			    
			}
			else{
				j++;
				if(j==16&&k<l){
			    	i++;
			    	j=0;
			    	if(i==40)
			    		break;
			    }
			}
			
		}
		try {
			FileWriter fw = new FileWriter(FileName3);
			for (int ii = 0; ii < 40; ii++) {
				for (int jj = 0; jj< 16; jj++) {
					fw.write(data3[ii][jj] + " ");
				}
				fw.write("\r\n");
			}
			fw.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public int[][] readData3() {
		int data[][] = new int[40][16];
		int i = 0;
		int j = 0;
		try {
			FileReader fr = new FileReader(FileName3);
			BufferedReader br = new BufferedReader(fr);
			String line = null;
			do {
				line = br.readLine();
				String d[] = line.split(" ");
				for (j = 0; j < d.length; j++) {
					data[i][j] = Integer.valueOf(d[j]);
				}
				i++;
			} while (line != null);
			br.close();
			fr.close();
		} catch (Exception e) {

		}
		return data;
	}

	public int[] getWord() {
		return word;
	}

	public int[] getBit() {
		return bit;
	}

}