Android Open Source - Dumbledroid File Controller

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Back to project page Dumbledroid.

License

The source code is released under:

Copyright (c) 2013, Leocadio Tin? All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ...

If you think the Android project Dumbledroid 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

package io.leocad.dumbledroid.data.cache;
/*from   w ww.jav a2 s  . c om*/
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.os.Environment;

public class FileController {

  private static final String DUMBLEDROID_CACHE_DIR = "dumbledroid";

  private final Context mContext;

  public FileController(Context ctx) {
    mContext = ctx;
  }

  public FileInputStream getFileInputStream(String fileName) throws FileNotFoundException {
    final File file = new File(getCacheDir(), fileName);
    return new FileInputStream(file);
  }

  public FileOutputStream getFileOutputStream(String fileName) throws FileNotFoundException {
    final File file = new File(getCacheDir(), fileName);
    file.getParentFile().mkdirs();
    return new FileOutputStream(file);
  }

  public void erase(String fileName) {
    final File file = new File(getCacheDir(), fileName);
    file.delete();
  }

  private File getCacheDir() {
    final File cacheDir = isExternalStorageAvailable() ? getExternalCacheDir() : mContext.getCacheDir();
    return new File(cacheDir, DUMBLEDROID_CACHE_DIR);
  }

  @TargetApi(8)
  private File getExternalCacheDir() {
    if (Build.VERSION.SDK_INT >= 8) {
      final File externalCacheDir = mContext.getExternalCacheDir();
      if(externalCacheDir != null) {
        return externalCacheDir;
      }
    }
    final String cacheDirPath = "Android" + File.separator + "data" + File.separator + mContext.getPackageName() + File.separator + "cache";
    return new File(Environment.getExternalStorageDirectory(), cacheDirPath);
  }

  private static boolean isExternalStorageAvailable() {
    return Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) || !isExternalStorageRemovable();
  }

  @TargetApi(9)
  private static boolean isExternalStorageRemovable() {
    if (Build.VERSION.SDK_INT >= 9) {
      return Environment.isExternalStorageRemovable();
    }
    return true;
  }
}

Java Source Code List