Java tutorial
/* * Copyright (C) 2014 Lord_Ralex * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package net.ae97.pokebot.extensions.scrolls; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParser; import com.google.gson.JsonSyntaxException; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import java.util.LinkedList; import java.util.List; import java.util.logging.Level; import net.ae97.pircboty.api.events.CommandEvent; import net.ae97.pokebot.PokeBot; import net.ae97.pokebot.api.CommandExecutor; import org.apache.commons.lang3.StringUtils; /** * @author Lord_Ralex */ public class PriceCommand implements CommandExecutor { private final String url = "http://a.scrollsguide.com/experimentalprices?name={name}";; @Override public void runEvent(CommandEvent event) { if (event.getArgs().length == 0) { event.respond("Usage: .price [name]"); return; } String[] name = event.getArgs(); try { URL playerURL = new URL(url.replace("{name}", StringUtils.join(name, "%20"))); List<String> lines = new LinkedList<>(); HttpURLConnection conn = (HttpURLConnection) playerURL.openConnection(); conn.setRequestProperty("User-Agent", "PokeBot - " + PokeBot.VERSION); conn.connect(); try (BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) { String line; while ((line = reader.readLine()) != null) { lines.add(line); } } JsonParser parser = new JsonParser(); JsonElement element = parser.parse(StringUtils.join(lines, "\n")); JsonObject obj = element.getAsJsonObject(); String result = obj.get("msg").getAsString(); if (!result.equalsIgnoreCase("success")) { event.respond("Scroll not found"); return; } JsonObject dataObject = obj.get("data").getAsJsonArray().get(0).getAsJsonObject(); StringBuilder builder = new StringBuilder(); JsonObject buyObj = dataObject.getAsJsonObject("buy"); JsonObject sellObj = dataObject.getAsJsonObject("sell"); JsonObject bmObj = dataObject.getAsJsonObject("bm"); builder.append("Buy: ").append(buyObj.get("price").getAsInt()).append(" Gold - "); builder.append("Sell: ").append(sellObj.get("price").getAsInt()).append(" Gold - "); builder.append("Black Market: ").append(bmObj.get("price").getAsInt()).append(" Gold"); String[] message = builder.toString().split("\n"); for (String msg : message) { event.respond("" + msg); } } catch (IOException | JsonSyntaxException | IllegalStateException ex) { PokeBot.getLogger().log(Level.SEVERE, "Error on getting scroll for Scrolls for '" + StringUtils.join(event.getArgs(), " ") + "'", ex); event.respond("Error on getting scroll: " + ex.getLocalizedMessage()); } } @Override public String[] getAliases() { return new String[] { "price" }; } private String parseTime(int time) { if (time < 10) { return "Just now"; } String[] strs = new String[] { "second", "minute", "hour", "day", "week", "month" }; int[] duration = new int[] { 1, 60, 3600, 86400, 604800, 2630880 }; double no = 0; int i; for (i = duration.length - 1; (i >= 0) && ((no = time / duration[i]) < 1); i--) { } int t = (int) Math.floor(no); return t + " " + strs[i] + ((t > 1) ? "s" : "") + " ago"; } }