Android Open Source - FileRenamer Mime Types

From Project

Back to project page FileRenamer.

License

The source code is released under:

License text from http://www.opensource.org/licenses/GPL-3.0 Copyright (c) 2012 Thomas Schmid, Froburgstrasse 25, 4052 Basel, Schweiz Permission is hereby granted, free of charge, to any person obta...

If you think the Android project FileRenamer listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*
 * Copyright (C) 2012 Thomas Schmid <tschmid35@gmail.com>
 */*from w ww  .ja v  a 2s  . co  m*/
 * 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 Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.scto.filerenamer;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.HashMap;
import java.util.zip.GZIPInputStream;

import android.content.Context;

public final class MimeTypes
{
  private HashMap< String, String > extensionToMime;
  
  private void initExtensions( Context context )
  {
    extensionToMime = new HashMap< String, String >();
      try
    {
      InputStream is = new GZIPInputStream( context.getResources().openRawResource( R.raw.mimes ) );
      ByteArrayOutputStream os = new ByteArrayOutputStream();
      byte[] buf = new byte[ 16384 ];
      while( true )
      {
        int r = is.read( buf );
        if( r <= 0 )
          break;
        os.write( buf, 0, r );
      }
      String[] lines = os.toString().split("\n");
      String mime = null;
      for( int i = 0; i < lines.length; i++ )
      {
            String val = lines[ i ];
            if( val.length() == 0 )
          mime = null;
            else if( mime == null )
          mime = val;
            else
          extensionToMime.put( val, mime );
      }
    }
    catch( Exception e )
    {
      throw new RuntimeException( "failed to open mime db", e );
      }
  }
  
  public String getMimeByExtension( Context context, String extension )
  {
      if( extensionToMime == null )
    {
          initExtensions( context );
      }
      return extensionToMime.get( extension );
    }
}

Java Source Code List