Android Open Source - ShellAndroid Shell Utils

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Back to project page ShellAndroid.

License

The source code is released under:

Apache License

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Java Source Code

package z.hol.shellandroid.utils;
//from  w w w .ja  v a 2s .  c  om
import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import z.hol.shellandroid.Shell;
import z.hol.shellandroid.ShellAndroid;
import android.util.Log;

public class ShellUtils {

  public static void setChmod(String file, String mode){
    try {
      Thread.sleep(10);
      if (ShellAndroid.DEBUG){
        Log.d("ShellAndroid", "chmod start " + file + " mode " + mode);
      }
      // String cmd = "chmod " + mode + " " + file;
      ProcessBuilder pb = new ProcessBuilder("chmod", mode, file).directory(new File("/"))
          .redirectErrorStream(true);
      Process process = pb.start();
      if (ShellAndroid.DEBUG){
        Log.d("ShellAndroid", "chmod run " + file + " mode " + mode);
      }

      emptyInputStream(process.getInputStream());
      //emptyInputStream(process.getErrorStream());
      process.getOutputStream().close();
      
      if (ShellAndroid.DEBUG){
        Log.d("ShellAndroid", "chmod over " + file + " mode " + mode);
      }
      
      process.waitFor();
      
      process.destroy();
      
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      if (ShellAndroid.DEBUG){
        Log.e("ShellAndroid", "chmod exception1 " + file + " mode " + mode);
      }
    } catch (InterruptedException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      if (ShellAndroid.DEBUG){
        Log.e("ShellAndroid", "chmod exception2 " + file + " mode " + mode);
      }
    }
  }
  
  /**
   * ????
   * @param in
   * @throws IOException
   */
  public static void emptyInputStream(final InputStream in){
    Thread thread = new Thread(){
      public void run() {
        if (in != null){
          try {
            while (in.read() != -1){

            }
            in.close();
          } catch (IOException e) {
            // This is Auto-generated catch block
            e.printStackTrace();
          }
        }
      };
    };
    thread.setDaemon(true);
    thread.start();
  }
  
  /**
   * Set file permission with a Shell
   * @param shell
   * @param file
   * @param mode
   */
  public static void setChmod(Shell shell, String file, String mode){
    if (shell != null){
      shell.exec(false, "chmod " + mode + " " + file);
    }
  }  
}

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