Java tutorial
/* * Copyright 2017 Bram Hagens * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package me.bramhaag.discordselfbot.commands.util; import lombok.NonNull; import me.bramhaag.discordselfbot.commands.Command; import me.bramhaag.discordselfbot.util.JavadocParser; import me.bramhaag.discordselfbot.util.Util; import net.dv8tion.jda.core.EmbedBuilder; import net.dv8tion.jda.core.entities.Message; import net.dv8tion.jda.core.entities.TextChannel; import org.apache.commons.lang3.StringUtils; import java.io.IOException; import java.net.URL; import java.util.Arrays; public class CommandJavadoc { @Command(name = "javadoc", aliases = { "doc", "jd" }, minArgs = 1) public void execute(@NonNull Message message, @NonNull TextChannel channel, @NonNull String[] args) { String[] parts = args[0].split("\\."); String pack = parts.length >= 3 ? StringUtils.join(Arrays.copyOf(parts, parts.length - 2), "/") + "/" : null; String clazz = parts[parts.length - 2]; String method = args[0].contains(".") ? args[0].substring(args[0].lastIndexOf(".") + 1, args[0].length()) : args[0]; JavadocParser.JavadocResult result = null; try { if (pack == null) { result = JavadocParser.getJavadoc(clazz + "/" + method); } else { result = args.length > 1 ? JavadocParser.getJavadoc(args[1], pack + clazz, method) : JavadocParser.getJavadoc(pack + clazz, method); } } catch (IOException e) { e.printStackTrace(); } if (result == null) { Util.sendError(message, "Result is null!"); } EmbedBuilder builder = new EmbedBuilder().setTitle("Javadoc", null) .addField("Name", code(result.getName()), false).addField("Format", code(result.getFormat()), false) .addField("Description", code(result.getDescription()), false); result.getFields() .forEach((key, value) -> builder.addField(key, code(StringUtils.join(value, "\n")), false)); channel.sendMessage(builder.build()).queue(); } private String code(String input) { return "```" + input + "```"; } }