Android Open Source - intent_radio Copy Resource

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Back to project page intent_radio.

License

The source code is released under:

Copyright (c) 2014 Stephen Blott Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Soft...

Java Source Code

package org.smblott.intentradio;
/*from  w  ww .jav a  2s  . c o m*/
import android.content.Context;
import android.os.Environment;
import android.os.Process;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;

public class CopyResource extends Logger
{
   private static final String prefix = ".IntentRadio.";

   /* Install raw file resource "id" into location "path" on external storage.
    * Returns null on success, or an error message on failure.
    */

   public static String copy(Context context, int id, String path)
      { return copy(context, id, path, false); }

   public static String copy(Context context, int id, String path, boolean overwrite)
   {
      log("CopyResource id: ", ""+id);
      log("CopyResource path: ", path);

      File tmp = null;
      InputStream input = null;
      FileOutputStream output = null;
      boolean success = true;

      File sdcard = Environment.getExternalStorageDirectory();
      if ( sdcard == null || ! Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) )
         { return "SD card not found or not ready."; }

      path = sdcard.getAbsolutePath() + "/" + path;
      log("CopyResource full path: ", path);

      File file = new File(path);
      if ( file.exists() && ! overwrite )
         { return "File already exists, not copied..."; }

      File directory = new File(file.getParent());
      if ( ! directory.isDirectory() )
         { return "Directory does not exist..."; }

      try
      {
         tmp = File.createTempFile(prefix, null, directory);
         log("CopyResource tmp path: ", tmp.toString());

         input = context.getResources().openRawResource(id);
         output = new FileOutputStream(tmp);

         byte[] buffer = new byte[1024];
         int count = 0;

         while ( 0 < (count = input.read(buffer)) )
            output.write(buffer, 0, count);
      }
      catch (Exception e1)
      {
         success = false;
      }
      finally
      {
         try { if ( output != null ) output.close(); } catch (Exception e2) { success = false; }
         try { if ( input  != null ) input.close();  } catch (Exception e2) {}
      }

      if ( success )
         success = tmp.renameTo(file);

      if ( tmp != null && tmp.exists() )
         if ( ! tmp.delete() )
            log("CopyResource failed to delete: ", tmp.toString());

      return success ? null : "Unknown error...";
   }
}

Java Source Code List

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