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/*
* Copyright (C) 2014 The CyanogenMod Project
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package org.lineageos.eleven.provider;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
public class PropertiesStore {
private final MusicDB mMusicDatabase;
private static PropertiesStore sInstance = null;
public static final synchronized PropertiesStore getInstance(final Context context) {
if (sInstance == null) {
sInstance = new PropertiesStore(context.getApplicationContext());
}
return sInstance;
}
private PropertiesStore(final Context context) {
mMusicDatabase = MusicDB.getInstance(context);
}
public void onCreate(final SQLiteDatabase db) {
db.execSQL("CREATE TABLE IF NOT EXISTS " + PropertiesColumns.TABLE_NAME + "(" +
PropertiesColumns.PROPERTY_KEY + " STRING PRIMARY KEY," +
PropertiesColumns.PROPERTY_VALUE + " TEXT);");
}
public void onUpgrade(final SQLiteDatabase db, final int oldVersion, final int newVersion) {
// this table was created in version 3 so call the onCreate method if we hit that scenario
if (oldVersion < 3 && newVersion >= 3) {
onCreate(db);
}
}
public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// If we ever have downgrade, drop the table to be safe
db.execSQL("DROP TABLE IF EXISTS " + PropertiesColumns.TABLE_NAME);
onCreate(db);
}
public String getProperty(String key) {
return getProperty(key, null);
}
public String getProperty(String key, String defaultValue) {
Cursor cursor = mMusicDatabase.getReadableDatabase().query(PropertiesColumns.TABLE_NAME,
new String[] { PropertiesColumns.PROPERTY_VALUE },
PropertiesColumns.PROPERTY_KEY + "=?",
new String[] { key }, null, null, null);
try {
if (cursor != null && cursor.moveToFirst()) {
return cursor.getString(0);
}
} finally {
if (cursor != null) {
cursor.close();
cursor = null;
}
}
return defaultValue;
}
public void storeProperty(String key, String value) {
ContentValues values = new ContentValues(2);
values.put(PropertiesColumns.PROPERTY_KEY, key);
values.put(PropertiesColumns.PROPERTY_VALUE, value);
mMusicDatabase.getWritableDatabase().replace(PropertiesColumns.TABLE_NAME,
null, values);
}
public interface DbProperties {
String ICU_VERSION = "icu_version";
String LOCALE = "locale";
}
private static final class PropertiesColumns {
public static final String TABLE_NAME = "properties";
public static final String PROPERTY_KEY = "property_key";
public static final String PROPERTY_VALUE = "property_value";
}
}
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