txttodata.java

一个可以把打包成不能用文本编辑器打开的文件用流的形式读出来的工具类,同时可以读取二进制文件,很方便,功能强大,希望大家能试试,愿意和大家一起学习

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */

import java.io.*;
import java.util.Vector;

public class TxtToData
{
  public TxtToData()
  {

  }

  public static void main(String[] args)
  {
    TxtToData ttd = new TxtToData();
    if (args != null && args.length >= 2)
    {
      String infile = args[0];
      String outfile = args[1];
      Vector lines = new Vector();
      String line = null;
      try
      {
        System.out.println("Reading source file :" + infile);
        LineNumberReader lr = new LineNumberReader(new FileReader(infile));
        while ( (line = lr.readLine()) != null)
        {
          lines.add(line);
        }
        lr.close();
        int linescount = lines.size();
        System.out.println("Number of lines in source file :" + linescount);
        System.out.println("Writing destination file :" + outfile);
        DataOutputStream dos = new DataOutputStream(new FileOutputStream(outfile));
        dos.writeInt(linescount);
        for (int i = 0; i < linescount; i++)
        {
          line = (String) lines.elementAt(i);
          dos.writeUTF(line);
        }
        dos.close();
        System.out.println("Done.");
      }
      catch (Exception ex)
      {
        ex.printStackTrace();
      }
    }
    else
    {
      System.out.println("Usage : TxtToData <infile> <outfile>");
    }
  }
}