text: /*
   * 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 testcode.sqli.android;
  
  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.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 (false) 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 (false) 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");
      }
  }