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AntennaPod
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Rewrite data folder creation 

- Make code easier to read
- Fall back to internal memory when folder is not writable
This commit is contained in:
ByteHamster 2022-03-25 10:11:46 +01:00
parent 3d54aa7064
commit 5e4f38cfae
1 changed files with 30 additions and 41 deletions
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55
core/src/main/java/de/danoeh/antennapod/core/preferences/UserPreferences.java
View File

@ -9,6 +9,7 @@ import android.util.Log;
import android.view.KeyEvent;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.VisibleForTesting;
import androidx.core.app.NotificationCompat;
import androidx.preference.PreferenceManager;
@ -888,52 +889,40 @@ public class UserPreferences {
*
* @param type The name of the folder inside the data folder. May be null
* when accessing the root of the data folder.
* @return The data folder that has been requested or null if the folder
* could not be created.
* @return The data folder that has been requested or null if the folder could not be created.
*/
public static File getDataFolder(String type) {
String strDir = prefs.getString(PREF_DATA_FOLDER, null);
if (strDir == null) {
Log.d(TAG, "Using default data folder");
return context.getExternalFilesDir(type);
} else {
File dataDir = new File(strDir);
if (!dataDir.exists()) {
if (!dataDir.mkdir()) {
Log.w(TAG, "Could not create data folder");
return null;
public static File getDataFolder(@Nullable String type) {
File dataFolder = getTypeDir(prefs.getString(PREF_DATA_FOLDER, null), type);
if (dataFolder == null || !dataFolder.canWrite()) {
Log.d(TAG, "User data folder not writable or not set. Trying default.");
dataFolder = context.getExternalFilesDir(type);
}
if (dataFolder == null || !dataFolder.canWrite()) {
Log.d(TAG, "Default data folder not available or not writable. Falling back to internal memory.");
dataFolder = getTypeDir(context.getFilesDir().getAbsolutePath(), type);
}
return dataFolder;
}
if (type == null) {
return dataDir;
} else {
// handle path separators
String[] dirs = type.split("/");
for (int i = 0; i < dirs.length; i++) {
if (dirs.length > 0) {
if (i < dirs.length - 1) {
dataDir = getDataFolder(dirs[i]);
if (dataDir == null) {
@Nullable
private static File getTypeDir(@Nullable String baseDirPath, @Nullable String type) {
if (baseDirPath == null) {
return null;
}
}
type = dirs[i];
}
}
File typeDir = new File(dataDir, type);
File baseDir = new File(baseDirPath);
File typeDir = type == null ? baseDir : new File(baseDir, type);
if (!typeDir.exists()) {
if (dataDir.canWrite()) {
if (!typeDir.mkdir()) {
Log.e(TAG, "Could not create data folder named " + type);
if (!baseDir.canWrite()) {
Log.e(TAG, "Base dir is not writable " + baseDir.getAbsolutePath());
return null;
}
if (!typeDir.mkdirs()) {
Log.e(TAG, "Could not create type dir " + typeDir.getAbsolutePath());
return null;
}
}
return typeDir;
}
}
}
public static void setDataFolder(String dir) {
Log.d(TAG, "setDataFolder(dir: " + dir + ")");