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/*
* 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");
}
}
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