Android Open Source - GeoLog Logs Provider

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License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUC...

Java Source Code

/*
 * Copyright (C) 2013 Jorrit "Chainfire" Jongma
 *// w ww . j a  v  a2  s . co m
 * 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 eu.chainfire.geolog.data;

import android.content.ContentProvider;
import android.content.ContentValues;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteQueryBuilder;
import android.net.Uri;

public class LogsProvider extends ContentProvider {
  public static final String AUTHORITY = "eu.chainfire.geolog.logsprovider";
  public static final String BASE_PATH = "locations";
  public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/" + BASE_PATH);

  private static final int LOCATIONS = 10;
  private static final int LOCATION = 20;
  
  private static final UriMatcher URIMatcher = new UriMatcher(UriMatcher.NO_MATCH);
        
  static {
    URIMatcher.addURI(AUTHORITY, BASE_PATH, LOCATIONS);
      URIMatcher.addURI(AUTHORITY, BASE_PATH + "/#", LOCATION);
  }
  
  private Database.Helper databaseHelper;
  
  public static Uri URILocations() {
    return Uri.parse("content://" + AUTHORITY + "/" + BASE_PATH);
  }
  
  public static Uri URILocation(long id) {
    return Uri.parse("content://" + AUTHORITY + "/" + BASE_PATH + "/" + String.valueOf(id));
  }

  @Override
  public boolean onCreate() {
    databaseHelper = Database.Helper.getInstance(getContext());
    return false;
  }
  
  @Override
  public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
    SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
    queryBuilder.setTables(Database.Location.TABLE_NAME);

    int uriType = URIMatcher.match(uri);
    switch (uriType) {
    case LOCATIONS:
      break;
    case LOCATION:
      queryBuilder.appendWhere(Database.Location._ID + " = " + uri.getLastPathSegment());
      break;
    default:
      throw new IllegalArgumentException("Unknown URI: " + uri);
    }

    SQLiteDatabase db = databaseHelper.getReadableDatabase();
    Cursor cursor = queryBuilder.query(db, projection, selection, selectionArgs, null, null, sortOrder);
    cursor.setNotificationUri(getContext().getContentResolver(), uri);

    return cursor;
  }  
  
  @Override
  public String getType(Uri uri) {
    return null;
  }

  @Override
  public Uri insert(Uri uri, ContentValues values) {
    throw new UnsupportedOperationException();
  }

  @Override
  public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
    throw new UnsupportedOperationException();
  }

  @Override
  public int delete(Uri uri, String selection, String[] selectionArgs) {
    throw new UnsupportedOperationException();
  }
}

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