diff options
Diffstat (limited to 'src/com/android/gallery3d/filtershow/data/FilterStackDBHelper.java')
-rw-r--r-- | src/com/android/gallery3d/filtershow/data/FilterStackDBHelper.java | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/src/com/android/gallery3d/filtershow/data/FilterStackDBHelper.java b/src/com/android/gallery3d/filtershow/data/FilterStackDBHelper.java deleted file mode 100644 index e18d3104f..000000000 --- a/src/com/android/gallery3d/filtershow/data/FilterStackDBHelper.java +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (C) 2013 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 com.android.gallery3d.filtershow.data; - -import android.content.Context; -import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteOpenHelper; - -public class FilterStackDBHelper extends SQLiteOpenHelper { - - public static final int DATABASE_VERSION = 1; - public static final String DATABASE_NAME = "filterstacks.db"; - private static final String SQL_CREATE_TABLE = "CREATE TABLE "; - - public static interface FilterStack { - /** The row uid */ - public static final String _ID = "_id"; - /** The table name */ - public static final String TABLE = "filterstack"; - /** The stack name */ - public static final String STACK_ID = "stack_id"; - /** A serialized stack of filters. */ - public static final String FILTER_STACK= "stack"; - } - - private static final String[][] CREATE_FILTER_STACK = { - { FilterStack._ID, "INTEGER PRIMARY KEY AUTOINCREMENT" }, - { FilterStack.STACK_ID, "TEXT" }, - { FilterStack.FILTER_STACK, "BLOB" }, - }; - - public FilterStackDBHelper(Context context, String name, int version) { - super(context, name, null, version); - } - - public FilterStackDBHelper(Context context, String name) { - this(context, name, DATABASE_VERSION); - } - - public FilterStackDBHelper(Context context) { - this(context, DATABASE_NAME); - } - - @Override - public void onCreate(SQLiteDatabase db) { - createTable(db, FilterStack.TABLE, CREATE_FILTER_STACK); - } - - @Override - public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { - dropTable(db, FilterStack.TABLE); - onCreate(db); - } - - protected static void createTable(SQLiteDatabase db, String table, String[][] columns) { - StringBuilder create = new StringBuilder(SQL_CREATE_TABLE); - create.append(table).append('('); - boolean first = true; - for (String[] column : columns) { - if (!first) { - create.append(','); - } - first = false; - for (String val : column) { - create.append(val).append(' '); - } - } - create.append(')'); - db.beginTransaction(); - try { - db.execSQL(create.toString()); - db.setTransactionSuccessful(); - } finally { - db.endTransaction(); - } - } - - protected static void dropTable(SQLiteDatabase db, String table) { - db.beginTransaction(); - try { - db.execSQL("drop table if exists " + table); - db.setTransactionSuccessful(); - } finally { - db.endTransaction(); - } - } -} |