2017-09-22 11:53:26 +05:30

58 lines
2.1 KiB
Java

/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2017 Gopinath Langote
*
* 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.partialresponse;
import java.util.Map;
/**
* The resource class which serves video information.
* This class act as server in the demo. Which has all video details.
*/
public class VideoResource {
private FieldJsonMapper fieldJsonMapper;
private Map<Integer, Video> videos;
/**
* @param fieldJsonMapper map object to json.
* @param videos initialize resource with existing videos. Act as database.
*/
public VideoResource(FieldJsonMapper fieldJsonMapper, Map<Integer, Video> videos) {
this.fieldJsonMapper = fieldJsonMapper;
this.videos = videos;
}
/**
* @param id video id
* @param fields fields to get information about
* @return full response if no fields specified else partial response for given field.
*/
public String getDetails(Integer id, String... fields) throws Exception {
if (fields.length == 0) {
return videos.get(id).toString();
}
return fieldJsonMapper.toJson(videos.get(id), fields);
}
}