Java tutorial
/* * Copyright (C) 2014 Monofraps * * 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.monofraps.gradlecurse.tasks; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParser; import net.monofraps.gradlecurse.extensions.CurseDeploy; import net.monofraps.gradlecurse.models.GameVersion; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.gradle.api.DefaultTask; import org.gradle.api.tasks.TaskAction; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Map; /** * This task will show the available game versions by sending an HTTP GET request to $baseUrl$/game-versions.json. * By default it will only show the latest 3 versions. If you would like to see all available versions, create a task of * this type and set the showAll property to true. * <p/> * The GradleCurse plugin will automatically create a default ObtainGameVersionsTask named showGameVersions. * * @author monofraps */ public class ObtainGameVersionsTask extends DefaultTask { /** * Number of version to display. (e.g. 3 will show the 3 most recent versions) * Set to -1 to show all versions. * Defaults to 3. */ private int numVersionsToDisplay = 3; @TaskAction public void obtainGameVersions() { final String responseString; try { final HttpGet httpGet = new HttpGet( ((CurseDeploy) getProject().getExtensions().getByName("curseDeploy")).getBaseUrl() + "/game-versions.json"); getLogger().info("Obtaining game versions from " + httpGet.getURI().toString()); final HttpClient httpClient = new DefaultHttpClient(); final HttpResponse httpResponse = httpClient.execute(httpGet); final BufferedReader responseReader = new BufferedReader( new InputStreamReader(httpResponse.getEntity().getContent())); final StringBuilder response = new StringBuilder(); String line; while ((line = responseReader.readLine()) != null) { response.append(line); } responseString = response.toString(); } catch (IOException e) { e.printStackTrace(); return; } final JsonElement response = (new JsonParser()).parse(responseString); final JsonObject versionAssList = response.getAsJsonObject(); final List<GameVersion> gameVersions = new ArrayList<GameVersion>(); for (final Map.Entry<String, JsonElement> versionObject : versionAssList.entrySet()) { gameVersions.add(new GameVersion(versionObject.getKey(), versionObject.getValue().getAsJsonObject())); } Collections.sort(gameVersions); for (final GameVersion gameVersion : (numVersionsToDisplay == -1) ? gameVersions : gameVersions.subList(gameVersions.size() - 3, gameVersions.size())) { getLogger().lifecycle(String.format("Version %s, released on %s", gameVersion.getVersionNumber(), gameVersion.getReleaseDate())); getLogger().lifecycle(String.format("\tName: %s", gameVersion.getName())); getLogger().lifecycle(String.format("\tIsDevelopment: %b", gameVersion.isDevelopment())); getLogger().lifecycle(String.format("\tBreaksCompatibility: %b", gameVersion.isBreaksCompatibility())); } } public int getNumVersionsToDisplay() { return numVersionsToDisplay; } public void setNumVersionsToDisplay(final int numVersionsToDisplay) { this.numVersionsToDisplay = numVersionsToDisplay; } }