Android Open Source - Resonos-Android-Framework File Cache

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License

The source code is released under:

Apache License

Java Source Code

package com.resonos.apps.library.file;
//from   w  w w .  j a v  a  2s .c  o m
import java.io.File;
import java.net.URLEncoder;

import com.resonos.apps.library.App;

/**
 * Class that implements a file cache of bitmaps.
 * From LazyList at https://github.com/thest1/LazyList/
 */
public class FileCache {
  private File cacheDir;

  public FileCache(App app) {
    // 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(),
          "Android/data/" + app.getContext().getPackageName()
              + "/cache/");
    else
      cacheDir = app.getContext().getCacheDir();
    if (!cacheDir.exists())
      cacheDir.mkdirs();
  }

  @SuppressWarnings("deprecation")
  public File getFile(String url) {
    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();
  }
}

Java Source Code List

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