5cf2fe009b
* Use lombok, reformat, and optimize the code * Fix merge conflicts and some sonar issues Co-authored-by: va1m <va1m@email.com>
74 lines
2.8 KiB
Java
74 lines
2.8 KiB
Java
/*
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* The MIT License
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* Copyright © 2014-2021 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.partialresponse;
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import java.util.Map;
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import lombok.extern.slf4j.Slf4j;
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/**
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* The Partial response pattern is a design pattern in which client specifies fields to fetch to
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* serve. Here {@link App} is playing as client for {@link VideoResource} server. Client ask for
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* specific fields information in video to server.
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*
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* <p>{@link VideoResource} act as server to serve video information.
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*/
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@Slf4j
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public class App {
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/**
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* Method as act client and request to server for video details.
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*
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* @param args program argument.
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*/
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public static void main(String[] args) throws Exception {
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var videos = Map.of(
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1, new Video(1, "Avatar", 178, "epic science fiction film",
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"James Cameron", "English"),
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2, new Video(2, "Godzilla Resurgence", 120, "Action & drama movie|",
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"Hideaki Anno", "Japanese"),
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3, new Video(3, "Interstellar", 169, "Adventure & Sci-Fi",
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"Christopher Nolan", "English")
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);
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var videoResource = new VideoResource(new FieldJsonMapper(), videos);
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LOGGER.info("Retrieving full response from server:-");
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LOGGER.info("Get all video information:");
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var videoDetails = videoResource.getDetails(1);
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LOGGER.info(videoDetails);
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LOGGER.info("----------------------------------------------------------");
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LOGGER.info("Retrieving partial response from server:-");
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LOGGER.info("Get video @id, @title, @director:");
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var specificFieldsDetails = videoResource.getDetails(3, "id", "title", "director");
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LOGGER.info(specificFieldsDetails);
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LOGGER.info("Get video @id, @length:");
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var videoLength = videoResource.getDetails(3, "id", "length");
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LOGGER.info(videoLength);
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}
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}
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