/*
* Copyright 2014 Google Inc. All rights reserved.
*
* 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.google.samples.apps.iosched.io;
import com.google.samples.apps.iosched.io.model.Room;
import com.google.samples.apps.iosched.provider.ScheduleContract;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import android.content.ContentProviderOperation;
import android.content.Context;
import android.net.Uri;
import java.util.ArrayList;
import java.util.HashMap;
import static com.google.samples.apps.iosched.util.LogUtils.makeLogTag;
public class RoomsHandler extends JSONHandler {
private static final String TAG = makeLogTag(RoomsHandler.class);
// map from room ID to Room model object
private HashMap<String, Room> mRooms = new HashMap<String, Room>();
public RoomsHandler(Context context) {
super(context);
}
@Override
public void process(JsonElement element) {
for (Room room : new Gson().fromJson(element, Room[].class)) {
mRooms.put(room.id, room);
}
}
@Override
public void makeContentProviderOperations(ArrayList<ContentProviderOperation> list) {
Uri uri = ScheduleContract.addCallerIsSyncAdapterParameter(
ScheduleContract.Rooms.CONTENT_URI);
// The list of rooms is not large, so for simplicity we delete all of them and repopulate
list.add(ContentProviderOperation.newDelete(uri).build());
for (Room room : mRooms.values()) {
ContentProviderOperation.Builder builder = ContentProviderOperation.newInsert(uri);
builder.withValue(ScheduleContract.Rooms.ROOM_ID, room.id);
builder.withValue(ScheduleContract.Rooms.ROOM_NAME, room.name);
builder.withValue(ScheduleContract.Rooms.ROOM_FLOOR, room.floor);
list.add(builder.build());
}
}
}