Android Open Source - Android-Media-Library Media Factory

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Back to project page Android-Media-Library.

License

The source code is released under:

Apache License

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Java Source Code

package grevian.MediaLibrary;
/*from ww w .  j  a va  2 s.  c om*/
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;

public class MediaFactory {
  private final static String TAG = "GrevianMedia";
  
  public static Media getMediaByUPC(Context mContext, String UPC) throws LookupException
  {
    Media mMedia = null;
    ContentResolver cr = mContext.getContentResolver();
    
    // Try to lookup the content with the CR first
    Uri myItem = ContentUris.withAppendedId(Media.CONTENT_URI, Long.valueOf(UPC));
    Cursor cur = cr.query(myItem, null, null, null, null);
    if ( cur.getCount() > 0 )
    {
      cur.moveToFirst();
      mMedia = new Media(cur, cr);
    }
    cur.close();
    
    if ( mMedia != null )
      return mMedia;
    
    // Look it up online, then insert it into the CR if we successfully find it 
    Log.w(TAG, "ContentResolver Miss for UPC: " + UPC);
    Log.i(TAG, "Looking up UPC Online...");
    String Title = UPCDataSource.getUPCText(UPC).trim();      
    Log.i(TAG, "UPC Lookup Result: " + Title);
    
    if ( Title == "" )
      throw new LookupException("Could not find Title Anywhere!");
      
    ContentValues mVals = new ContentValues();
    mVals.put(Media.TITLE, Title);
    mVals.put(Media.BARCODE, UPC);
    mVals.put(Media.OWNED, 0);
    mVals.put(Media.LOANED, "");
    cr.insert(Media.CONTENT_URI, mVals);
    
    // Ok, Mobile platforms probably don't like recursion, but this really is the most graceful way to handle things...
    return MediaFactory.getMediaByUPC(mContext, UPC);
  }
  
}

Java Source Code List