Android Open Source - AutoHosts File Copier

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License

The source code is released under:

MIT License

Java Source Code

package com.yeyaxi.AutoHosts;
//  w  w  w.  ja va  2s .  c om
import android.os.AsyncTask;
import android.util.Log;


import java.io.BufferedReader;
import java.io.Closeable;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;

public class FileCopier extends AsyncTask<Object, Void, Boolean>
{
  private AutoHostsActivity callback;
  private int completionMessage;
  private boolean append;
    private static final String TAG = FileCopier.class.getSimpleName();

  public FileCopier (AutoHostsActivity callback, int completionMessage, boolean append)
  {
    this.completionMessage = completionMessage;
    this.append = append;
    this.callback = callback;
  }

  @Override
  protected Boolean doInBackground (Object... inputs)
  {

    BufferedReader bufferedReader = null;
    Process process = null;
    try
    {
      String[] mountLocation = com.yeyaxi.AutoHosts.SystemMount.getMountLocation();

      final Runtime runtime = Runtime.getRuntime();
      process = runtime.exec("su");

      DataOutputStream os = new DataOutputStream(process.getOutputStream());
      os.writeBytes("mount -o rw,remount -t " + mountLocation[1] + " " + mountLocation[0] + " /system\n");

//      bufferedReader = new BufferedReader(getReader(inputs[0]));
//
//      os.writeBytes("echo '' > " + inputs[1] + "\n");
//      String line = null;
//      while((line = bufferedReader.readLine()) != null)
//        os.writeBytes("echo '" + line + "' >> " + inputs[1] + "\n");

            // try new write to system methods
            os.flush();
            os.writeBytes("cp " + inputs[0] + " " + inputs[1] + "\n");
            os.flush();

      os.writeBytes("mount -o ro,remount -t " + mountLocation[1] + " " + mountLocation[0] + " /system\n");
      os.writeBytes("exit\n");
      os.flush();
      os.close();
//            new CommandRunner(callback, completionMessage).execute("cp " + inputs[0] + " " + inputs[1]);

      process.waitFor();

      int exitValue = process.exitValue();
      Log.d(TAG, "Exit Value For File Copier: " + exitValue);
      if (exitValue != 255 && exitValue != 126)
        return Boolean.TRUE;

    } catch (InterruptedException ex)
    {
      Log.e(TAG, ex.getMessage(), ex);
    } catch (IOException ex)
    {
      Log.e(TAG, ex.getMessage(), ex);
    } catch (com.yeyaxi.AutoHosts.UnableToMountSystemException ex)
    {
      Log.e(TAG, ex.getMessage(), ex);
    } finally
    {
      closeStream(bufferedReader);
      if(process != null)
        process.destroy();
    }

    return Boolean.FALSE;
  }

  private Reader getReader (Object input) throws FileNotFoundException
  {
    if(input instanceof  InputStream)
      return new InputStreamReader((InputStream) input);
    if(input instanceof  String)
      return new FileReader((String)input);
        if(input instanceof File)
            return new FileReader((File)input);
    else throw new FileNotFoundException("Unknown file type. " + input);
  }

  private void closeStream (Closeable closeable)
  {
    try
    {
      if (closeable != null)
        closeable.close();
    } catch (IOException ex)
    {
      Log.e(TAG, "Error closing stream. ", ex);
    }
  }

  @Override
  protected void onPostExecute (Boolean success)
  {
    if (success)
    {
      callback.displayCalbackMessage(completionMessage, R.string.append_success);
      callback.doNextTask();
    } else
      callback.displayCalbackErrorMessage(completionMessage);
  }

}

Java Source Code List

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