428efc7d53
* Moves partial-response to Java 11 * Moves pipeline to Java 11 * Moves poison-pill to Java 11 * Moves priority-queue to Java 11 * Moves private-class-data to Java 11 * Moves producer-consumer to Java 11 * Moves promise to Java 11 * Moves property to Java 11 * Moves prototype to Java 11 * Moves proxy to Java 11 * Corrects checkstyle errors * Fixes build for pipeline pattern
65 lines
2.3 KiB
Java
65 lines
2.3 KiB
Java
/*
|
|
* 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.partialresponse;
|
|
|
|
import java.lang.reflect.Field;
|
|
|
|
/**
|
|
* Map a video to json.
|
|
*/
|
|
public class FieldJsonMapper {
|
|
|
|
/**
|
|
* Gets json of required fields from video.
|
|
*
|
|
* @param video object containing video information
|
|
* @param fields fields information to get
|
|
* @return json of required fields from video
|
|
*/
|
|
public String toJson(Video video, String[] fields) throws Exception {
|
|
var json = new StringBuilder().append("{");
|
|
|
|
var i = 0;
|
|
var fieldsLength = fields.length;
|
|
while (i < fieldsLength) {
|
|
json.append(getString(video, Video.class.getDeclaredField(fields[i])));
|
|
if (i != fieldsLength - 1) {
|
|
json.append(",");
|
|
}
|
|
i++;
|
|
}
|
|
json.append("}");
|
|
return json.toString();
|
|
}
|
|
|
|
private String getString(Video video, Field declaredField) throws IllegalAccessException {
|
|
declaredField.setAccessible(true);
|
|
var value = declaredField.get(video);
|
|
if (declaredField.get(video) instanceof Integer) {
|
|
return "\"" + declaredField.getName() + "\"" + ": " + value;
|
|
}
|
|
return "\"" + declaredField.getName() + "\"" + ": " + "\"" + value.toString() + "\"";
|
|
}
|
|
}
|