blob: 2f290e29817fcf6beab5e0d8d94f79a2479b595c [file] [log] [blame]
// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package io.v.android;
import android.content.SharedPreferences;
import com.google.common.base.Strings;
import io.v.v23.OptionDefs;
import io.v.v23.Options;
import java8.util.Optional;
import lombok.experimental.UtilityClass;
@UtilityClass
public class VOptionPreferenceUtils {
public static Optional<Integer> readVLevel(final SharedPreferences prefs) {
final String raw = prefs.getString(OptionDefs.LOG_VLEVEL, "");
try {
return Optional.of(Integer.parseInt(raw));
} catch (final NumberFormatException|NullPointerException e) {
return Optional.empty();
}
}
public static Optional<String> readVModule(final SharedPreferences prefs) {
final String raw = prefs.getString(OptionDefs.LOG_VMODULE, "");
if (Strings.isNullOrEmpty(raw)) {
return Optional.empty();
} else {
return Optional.of(raw);
}
}
public static Options getOptionsFromPreferences(final SharedPreferences prefs) {
final Options opts = new Options();
/* It would be nice to copy this map naively, but Vanadium options are type-specific and
Android stores some numeric preferences as strings. */
readVLevel(prefs).ifPresent(v -> opts.set(OptionDefs.LOG_VLEVEL, v));
readVModule(prefs).ifPresent(v -> opts.set(OptionDefs.LOG_VMODULE, v));
return opts;
}
}