Java tutorial
/* * Copyright (C) 2014 Philippine Android Developers Community * * 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 ph.devcon.android.profile.service; import android.app.LoaderManager; import android.content.Context; import android.content.Loader; import android.os.Bundle; import com.google.common.base.Optional; import com.path.android.jobqueue.JobManager; import java.sql.SQLException; import java.util.List; import de.greenrobot.event.EventBus; import ph.devcon.android.DevConApplication; import ph.devcon.android.attendee.job.UpdateProfileJob; import ph.devcon.android.base.db.OrmliteListLoader; import ph.devcon.android.base.db.OrmliteListLoaderSupport; import ph.devcon.android.base.event.NetworkUnavailableEvent; import ph.devcon.android.profile.api.EditProfileBaseResponse; import ph.devcon.android.profile.api.ProfileAPI; import ph.devcon.android.profile.db.Profile; import ph.devcon.android.profile.db.ProfileDao; import ph.devcon.android.profile.event.FetchedProfileEvent; import ph.devcon.android.profile.event.FetchedProfileFailedEvent; import ph.devcon.android.profile.job.FetchProfileJob; import ph.devcon.android.technology.db.TechnologyDao; import ph.devcon.android.user.api.UserAPI; import ph.devcon.android.user.db.User; import ph.devcon.android.user.db.UserDao; import ph.devcon.android.util.Util; /** * Created by lope on 11/1/2014. */ public class ProfileServiceImpl implements ProfileService { ProfileDao profileDao; TechnologyDao technologyDao; UserDao userDao; JobManager jobManager; EventBus eventBus; Context context; public ProfileServiceImpl(Context context, JobManager jobManager, EventBus eventBus, ProfileDao profileDao, UserDao userDao, TechnologyDao technologyDao) { this.context = context; this.jobManager = jobManager; this.eventBus = eventBus; this.profileDao = profileDao; this.userDao = userDao; this.technologyDao = technologyDao; } @Override public synchronized Profile createCacheObject(EditProfileBaseResponse baseResponse) { try { profileDao.clear(); } catch (SQLException e) { e.printStackTrace(); } Optional<EditProfileBaseResponse> baseResponseOptional = Optional.of(baseResponse); EditProfileBaseResponse profileBaseResponse = baseResponseOptional.get(); ProfileAPI profileAPI = profileBaseResponse.getProfile(); Optional<UserAPI> userAPIOptional = Optional.of(profileAPI.getUser()); Profile profile = new Profile(); if (userAPIOptional.isPresent()) { User userDb = User.toUser(userAPIOptional.get()); profile.setUser(userDb); try { profileDao.create(profile); } catch (SQLException e) { e.printStackTrace(); } } return profile; } public void populateFromCache(LoaderManager loaderManager, Bundle savedInstanceState) { loaderManager.initLoader(0, savedInstanceState, new LoaderManager.LoaderCallbacks<List<Profile>>() { @Override public Loader<List<Profile>> onCreateLoader(int id, Bundle args) { try { return new OrmliteListLoader(context, profileDao, profileDao.queryBuilder().prepare()); } catch (SQLException e) { e.printStackTrace(); } return null; } @Override public void onLoadFinished(Loader<List<Profile>> loader, List<Profile> data) { if ((data != null) && (data.size() > 0)) { eventBus.post(new FetchedProfileEvent(data.get(0))); } else { eventBus.post(new FetchedProfileFailedEvent("Cache was empty..")); } } @Override public void onLoaderReset(Loader<List<Profile>> loader) { } }); } @Override public void populateFromCache(android.support.v4.app.LoaderManager loaderManager, Bundle savedInstanceState) { loaderManager.initLoader(0, savedInstanceState, new android.support.v4.app.LoaderManager.LoaderCallbacks<List<Profile>>() { @Override public android.support.v4.content.Loader<List<Profile>> onCreateLoader(int id, Bundle args) { try { return new OrmliteListLoaderSupport<Profile, Integer>(context, profileDao, profileDao.queryBuilder().prepare()); } catch (SQLException e) { e.printStackTrace(); } return null; } @Override public void onLoadFinished(android.support.v4.content.Loader<List<Profile>> loader, List<Profile> data) { if ((data != null) && (data.size() > 0)) { eventBus.post(new FetchedProfileEvent(data.get(0))); } else { eventBus.post(new FetchedProfileFailedEvent("Cache was empty..")); } } @Override public void onLoaderReset(android.support.v4.content.Loader<List<Profile>> loader) { } }); } @Override public void populateFromAPI() { jobManager.addJobInBackground(new FetchProfileJob()); } @Override public void updateAPI(Profile profile) { try { if (Optional.fromNullable(profile.getUser().getPrimaryTechnology()).isPresent()) { technologyDao.updateOrCreateUserTechnologies(profile.getUser()); } userDao.update(profile.getUser()); profileDao.update(profile); jobManager.addJob(new UpdateProfileJob(profile.getId())); if (!Util.isNetworkAvailable(DevConApplication.getInstance())) eventBus.post(new NetworkUnavailableEvent()); } catch (SQLException e) { e.printStackTrace(); } } @Override public void refresh(Profile profile) { try { profileDao.refresh(profile); } catch (SQLException e) { e.printStackTrace(); } } @Override public boolean isCacheValid() { try { return profileDao.isCacheValid(); } catch (SQLException e) { e.printStackTrace(); } return false; } @Override public Profile getUserProfile(int id) { try { return profileDao.queryForId(id); } catch (SQLException e) { e.printStackTrace(); } return null; } }