Android Open Source - FlibityBoop File Cache

From Project

Back to project page FlibityBoop.

License

The source code is released under:

Apache License

If you think the Android project FlibityBoop 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

/**
 * IFT2905 : Interface personne machine/*  w  w  w . j av  a  2s . co  m*/
 * Projet de session: FlibityBoop.
 * Team: Vincent CABELI, Henry LIM, Pamela MEHANNA, Emmanuel NOUTAHI, Olivier TASTET
 * @author Emmanuel Noutahi, Vincent Cabeli
 * Cette classe a t modifi pour l'adapter au projet.
 * L'original peut tre trouv ici: https://github.com/thest1/LazyList
 */

package com.maclandrol.flibityboop;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import android.content.Context;
import android.graphics.Bitmap;
import android.net.Uri;

public class FileCache {
    
    private File cacheDir;
    
    public FileCache(Context context){
        //Find the dir to save cached images
        if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED))
            cacheDir=new File(android.os.Environment.getExternalStorageDirectory(),"LazyList");
        else
            cacheDir=context.getCacheDir();
        if(!cacheDir.exists())
            cacheDir.mkdirs();
    }
    
    public File getFile(String url){
        //I identify images by hashcode. Not a perfect solution, good for the demo.
        String filename=String.valueOf(url.hashCode());
        //Another possible solution (thanks to grantland)
        //String filename = URLEncoder.encode(url);
        File f = new File(cacheDir, filename);
        return f;
        
    }
    
    public void clear(){
        File[] files=cacheDir.listFiles();
        if(files==null)
            return;
        for(File f:files)
            f.delete();
    }
    
    public Uri saveAndGetBitMapPath(Bitmap b){
      File imageFile = new File(cacheDir,"xxMediaSharexx"+ ".png");
      FileOutputStream fileOutPutStream;
    try {
      fileOutPutStream = new FileOutputStream(imageFile);
        b.compress(Bitmap.CompressFormat.PNG, 80, fileOutPutStream);

        fileOutPutStream.flush();
        fileOutPutStream.close();
        return Uri.parse("file://" + imageFile.getAbsolutePath());

    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }

    return null;
    }

}

Java Source Code List