public static Bitmap getCachedBitmap(Context context, String fileName, int cacheDurability) {
if (isStorageAvailable()) {
Bitmap bitmap = null;
File file = new File(Tools.getExternalCacheDir(context), fileName);
if (file.exists()) {
if ((file.lastModified() + (cacheDurability * 3600 * 1000)) < System.currentTimeMillis())
return null;
try {
FileInputStream input = new FileInputStream(file);
bitmap = BitmapFactory.decodeStream(input);
input.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return bitmap;
} else {
return null;
}
} else {
return null;
}
}
public static String getCachedString(Context context, String fileName, int cacheDurability) {
if (isStorageAvailable()) {
StringBuilder contents = new StringBuilder();
File file = new File(Tools.getExternalCacheDir(context), fileName);
if (file.exists()) {
if ((file.lastModified() + (cacheDurability * 3600 * 1000)) < System.currentTimeMillis())
return null;
try {
BufferedReader input = new BufferedReader(new FileReader(file));
String line = null;
while ((line = input.readLine()) != null) {
contents.append(line);
contents.append(System.getProperty("line.separator"));
}
input.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return contents.toString();
} else {
return null;
}
} else {
return null;
}
}
public static boolean remove(Context context, String fileName) {
if (isStorageWritable()) {
File dir = Tools.getExternalCacheDir(context);
if (dir.isDirectory()) {
File file = new File(Tools.getExternalCacheDir(context), fileName);
if (file.exists()) file.delete();
return true;
} else {
return false;
}
} else {
return false;
}
}
public static boolean removeAll(Context context) {
if (isStorageWritable()) {
File dir = Tools.getExternalCacheDir(context);
if (dir.isDirectory()) {
String[] files = dir.list();
int i;
for (i = 0; i < files.length; i++) {
File file = new File(Tools.getExternalCacheDir(context), files[i]);
if (file.exists()) file.delete();
}
return true;
} else {
return false;
}
} else {
return false;
}
}
public static boolean isCachedString(Context context, String fileName, int cacheDurability) {
if (isStorageAvailable()) {
File file = new File(Tools.getExternalCacheDir(context), fileName);
if (file.exists()) {
return true;
} else {
return false;
}
} else {
return false;
}
}
public static void setCachedString(Context context, String fileName, String content) {
if (isStorageWritable()) {
File file = new File(Tools.getExternalCacheDir(context), fileName);
try {
file.createNewFile();
BufferedWriter output = new BufferedWriter(new FileWriter(file));
output.write(content);
output.newLine();
output.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static void setCachedBitmap(Context context, String fileName, Bitmap bitmap) {
if (isStorageWritable()) {
File file = new File(Tools.getExternalCacheDir(context), fileName);
if (file != null) {
try {
file.createNewFile();
FileOutputStream output = new FileOutputStream(file);
bitmap.compress(CompressFormat.JPEG, 100, output);
output.flush();
output.close();
} catch (NullPointerException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}