| /* |
| * Copyright (C) 2007 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 android.app.activity; |
| |
| import android.content.UriMatcher; |
| import android.content.*; |
| import android.database.Cursor; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteOpenHelper; |
| import android.database.sqlite.SQLiteQueryBuilder; |
| import android.net.Uri; |
| import android.util.Config; |
| import android.util.Log; |
| |
| /** Simple test provider that runs in the local process. */ |
| public class LocalProvider extends ContentProvider { |
| private static final String TAG = "LocalProvider"; |
| |
| private SQLiteOpenHelper mOpenHelper; |
| |
| private static final int DATA = 1; |
| private static final int DATA_ID = 2; |
| private static final UriMatcher sURLMatcher = new UriMatcher( |
| UriMatcher.NO_MATCH); |
| |
| static { |
| sURLMatcher.addURI("*", "data", DATA); |
| sURLMatcher.addURI("*", "data/#", DATA_ID); |
| } |
| |
| private static class DatabaseHelper extends SQLiteOpenHelper { |
| private static final String DATABASE_NAME = "local.db"; |
| private static final int DATABASE_VERSION = 1; |
| |
| public DatabaseHelper(Context context) { |
| super(context, DATABASE_NAME, null, DATABASE_VERSION); |
| } |
| |
| @Override |
| public void onCreate(SQLiteDatabase db) { |
| db.execSQL("CREATE TABLE data (" + |
| "_id INTEGER PRIMARY KEY," + |
| "text TEXT, " + |
| "integer INTEGER);"); |
| |
| // insert alarms |
| db.execSQL("INSERT INTO data (text, integer) VALUES ('first data', 100);"); |
| } |
| |
| @Override |
| public void onUpgrade(SQLiteDatabase db, int oldVersion, int currentVersion) { |
| Log.w(TAG, "Upgrading test database from version " + |
| oldVersion + " to " + currentVersion + |
| ", which will destroy all old data"); |
| db.execSQL("DROP TABLE IF EXISTS data"); |
| onCreate(db); |
| } |
| } |
| |
| |
| public LocalProvider() { |
| } |
| |
| @Override |
| public boolean onCreate() { |
| mOpenHelper = new DatabaseHelper(getContext()); |
| return true; |
| } |
| |
| @Override |
| public Cursor query(Uri url, String[] projectionIn, String selection, |
| String[] selectionArgs, String sort) { |
| SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); |
| |
| // Generate the body of the query |
| int match = sURLMatcher.match(url); |
| switch (match) { |
| case DATA: |
| qb.setTables("data"); |
| break; |
| case DATA_ID: |
| qb.setTables("data"); |
| qb.appendWhere("_id="); |
| qb.appendWhere(url.getPathSegments().get(1)); |
| break; |
| default: |
| throw new IllegalArgumentException("Unknown URL " + url); |
| } |
| |
| SQLiteDatabase db = mOpenHelper.getReadableDatabase(); |
| Cursor ret = qb.query(db, projectionIn, selection, selectionArgs, |
| null, null, sort); |
| |
| if (ret == null) { |
| if (Config.LOGD) Log.d(TAG, "Alarms.query: failed"); |
| } else { |
| ret.setNotificationUri(getContext().getContentResolver(), url); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public String getType(Uri url) { |
| int match = sURLMatcher.match(url); |
| switch (match) { |
| case DATA: |
| return "vnd.android.cursor.dir/vnd.google.unit_tests.local"; |
| case DATA_ID: |
| return "vnd.android.cursor.item/vnd.google.unit_tests.local"; |
| default: |
| throw new IllegalArgumentException("Unknown URL"); |
| } |
| } |
| |
| @Override |
| public int update(Uri url, ContentValues values, String where, String[] whereArgs) { |
| int count; |
| long rowId = 0; |
| int match = sURLMatcher.match(url); |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| switch (match) { |
| case DATA_ID: { |
| String segment = url.getPathSegments().get(1); |
| rowId = Long.parseLong(segment); |
| count = db.update("data", values, "_id=" + rowId, null); |
| break; |
| } |
| default: { |
| throw new UnsupportedOperationException( |
| "Cannot update URL: " + url); |
| } |
| } |
| if (Config.LOGD) Log.d(TAG, "*** notifyChange() rowId: " + rowId); |
| getContext().getContentResolver().notifyChange(url, null); |
| return count; |
| } |
| |
| |
| @Override |
| public Uri insert(Uri url, ContentValues initialValues) { |
| return null; |
| } |
| |
| @Override |
| public int delete(Uri url, String where, String[] whereArgs) { |
| throw new UnsupportedOperationException("delete not supported"); |
| } |
| } |