Java tutorial
/* * This is a part of LotReset, licensed under the MIT License (MIT). * * Copyright (c) 2016 Seanboyy (Sean Bamford) * * 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 MERCHANTIBILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIBLE 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 io.github.seanboyy.lotReset.json; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Scanner; import java.net.URL; import org.json.simple.JSONObject; import org.json.simple.parser.JSONParser; import org.json.simple.parser.ParseException; import io.github.seanboyy.lotReset.config.ReadConfig; import io.github.seanboyy.lotReset.util.objects.Config; import io.github.seanboyy.lotReset.util.objects.Lot; /** * Utility for reading JSON files from a URL location * @author <a href=https://www.github.com/seanboyy>Seanboyy</a> * @since 1.0 */ public class ReadJSON { /**Read JSON file by using configuration file's JSON value, * which points to the file * @param configLocation String which specifies the location of the config.properties file * @return <code>ArrayList<ArrayList<Lot>> lots</code> if no errors are encountered * @since 1.0 - Implemented config.properties in 2.0 */ public static ArrayList<ArrayList<Lot>> read(String configLocation) { JSONParser parser = new JSONParser(); URL url; File f; //lots is multidimensional in this format: {{fromLot,toLot},{fromLot,toLot},{fromLot,toLot},etc...} ArrayList<ArrayList<Lot>> lots = new ArrayList<ArrayList<Lot>>(); Config config = ReadConfig.read(configLocation); final String[] alphabet = config.getAlpha(); final String[] types = config.getType(); final String[] worlds = config.getWorld(); try { url = new URL(config.getJSON()); InputStream in = url.openStream(); f = File.createTempFile("temp", "json"); FileWriter file = new FileWriter(f); Scanner input = new Scanner(in); while (input.hasNextLine()) { file.write(input.nextLine()); } input.close(); file.close(); Object obj = parser.parse(new FileReader(f)); JSONObject jsonObj = (JSONObject) obj; JSONObject regions = (JSONObject) jsonObj.get("Regions"); for (String a : worlds) { for (String b : types) { for (String c : alphabet) { for (int d = 1; d <= alphabet.length; ++d) { String lotId = a + "-" + b + "-" + c + d; String lotIdA = a + "_" + b + "-" + c + d; String lotIdB = a + "-" + b + "_" + c + d; String lotIdC = a + "_" + b + "_" + c + d; JSONObject lot = (JSONObject) regions.get(lotId); JSONObject lotA = (JSONObject) regions.get(lotIdA); JSONObject lotB = (JSONObject) regions.get(lotIdB); JSONObject lotC = (JSONObject) regions.get(lotIdC); ArrayList<Lot> lotInfo = new ArrayList<Lot>(); if (lot != null) { lotInfo.add(new Lot((long) lot.get("source_minX"), (long) lot.get("source_maxX"), (long) lot.get("source_minY"), (long) lot.get("source_maxY"), (long) lot.get("source_minZ"), (long) lot.get("source_maxZ"), (String) lot.get("source_file"), lotId)); lotInfo.add(new Lot((long) lot.get("dest_minX"), (long) lot.get("dest_maxX"), (long) lot.get("dest_minY"), (long) lot.get("dest_maxY"), (long) lot.get("dest_minZ"), (long) lot.get("dest_maxZ"), (String) lot.get("dest_file"), lotId)); lots.add(lotInfo); } if (lotA != null) { lotInfo.add(new Lot((long) lotA.get("source_minX"), (long) lotA.get("source_maxX"), (long) lotA.get("source_minY"), (long) lotA.get("source_maxY"), (long) lotA.get("source_minZ"), (long) lotA.get("source_maxZ"), (String) lotA.get("source_file"), lotIdA)); lotInfo.add(new Lot((long) lotA.get("dest_minX"), (long) lotA.get("dest_maxX"), (long) lotA.get("dest_minY"), (long) lotA.get("dest_maxY"), (long) lotA.get("dest_minZ"), (long) lotA.get("dest_maxZ"), (String) lotA.get("dest_file"), lotIdA)); lots.add(lotInfo); } if (lotB != null) { lotInfo.add(new Lot((long) lotB.get("source_minX"), (long) lotB.get("source_maxX"), (long) lotB.get("source_minY"), (long) lotB.get("source_maxY"), (long) lotB.get("source_minZ"), (long) lotB.get("source_maxZ"), (String) lotB.get("source_file"), lotIdB)); lotInfo.add(new Lot((long) lotB.get("dest_minX"), (long) lotB.get("dest_maxX"), (long) lotB.get("dest_minY"), (long) lotB.get("dest_maxY"), (long) lotB.get("dest_minZ"), (long) lotB.get("dest_maxZ"), (String) lotB.get("dest_file"), lotIdB)); lots.add(lotInfo); } if (lotC != null) { lotInfo.add(new Lot((long) lotC.get("source_minX"), (long) lotC.get("source_maxX"), (long) lotC.get("source_minY"), (long) lotC.get("source_maxY"), (long) lotC.get("source_minZ"), (long) lotC.get("source_maxZ"), (String) lotC.get("source_file"), lotIdC)); lotInfo.add(new Lot((long) lotC.get("dest_minX"), (long) lotC.get("dest_maxX"), (long) lotC.get("dest_minY"), (long) lotC.get("dest_maxY"), (long) lotC.get("dest_minZ"), (long) lotC.get("dest_maxZ"), (String) lotC.get("dest_file"), lotIdC)); lots.add(lotInfo); } } } } } } catch (IOException e) { System.out.println("FILE ERROR FROM READING JSON"); e.printStackTrace(); return null; } catch (ParseException e) { System.out.println("PARSER ERROR FROM READING JSON"); e.printStackTrace(); return null; } return lots; } }