Java tutorial
/* * Copyright 2013 serso aka se.solovyev * * 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 org.solovyev.android.messenger.chats; import android.database.Cursor; import java.util.List; import javax.annotation.Nonnull; import org.joda.time.DateTime; import org.joda.time.format.DateTimeFormatter; import org.joda.time.format.ISODateTimeFormat; import org.solovyev.android.messenger.entities.Entity; import org.solovyev.android.messenger.entities.EntityMapper; import org.solovyev.android.properties.AProperty; import org.solovyev.common.Converter; /** * User: serso * Date: 6/9/12 * Time: 9:42 PM */ public class ChatMapper implements Converter<Cursor, Chat> { @Nonnull private final ChatDao chatDao; public ChatMapper(@Nonnull ChatDao chatDao) { this.chatDao = chatDao; } @Nonnull @Override public Chat convert(@Nonnull Cursor c) { final Entity chat = EntityMapper.newInstanceFor(0).convert(c); final DateTimeFormatter dateTimeFormatter = ISODateTimeFormat.basicDateTime(); final String lastMessagesSyncDateString = c.getString(3); final DateTime lastMessagesSyncDate = lastMessagesSyncDateString == null ? null : dateTimeFormatter.parseDateTime(lastMessagesSyncDateString); final List<AProperty> properties = chatDao.readPropertiesById(chat.getEntityId()); return Chats.newChat(chat, properties, lastMessagesSyncDate); } }