/* * The MIT License * Copyright © 2014-2019 Ilkka Seppälä * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.iluwatar.abstractdocument; import com.iluwatar.abstractdocument.domain.Car; import com.iluwatar.abstractdocument.domain.enums.Property; import java.util.List; import java.util.Map; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * The Abstract Document pattern enables handling additional, non-static properties. This pattern * uses concept of traits to enable type safety and separate properties of different classes into * set of interfaces. * *

In Abstract Document pattern,({@link AbstractDocument}) fully implements {@link Document}) * interface. Traits are then defined to enable access to properties in usual, static way. */ public class App { private static final Logger LOGGER = LoggerFactory.getLogger(App.class); /** * Executes the App. */ public App() { LOGGER.info("Constructing parts and car"); var wheelProperties = Map.of( Property.TYPE.toString(), "wheel", Property.MODEL.toString(), "15C", Property.PRICE.toString(), 100L); var doorProperties = Map.of( Property.TYPE.toString(), "door", Property.MODEL.toString(), "Lambo", Property.PRICE.toString(), 300L); var carProperties = Map.of( Property.MODEL.toString(), "300SL", Property.PRICE.toString(), 10000L, Property.PARTS.toString(), List.of(wheelProperties, doorProperties)); var car = new Car(carProperties); LOGGER.info("Here is our car:"); LOGGER.info("-> model: {}", car.getModel().orElseThrow()); LOGGER.info("-> price: {}", car.getPrice().orElseThrow()); LOGGER.info("-> parts: "); car.getParts().forEach(p -> LOGGER.info("\t{}/{}/{}", p.getType().orElse(null), p.getModel().orElse(null), p.getPrice().orElse(null)) ); } /** * Program entry point. * * @param args command line args */ public static void main(String[] args) { new App(); } }