Java tutorial
/* * Copyright (C) 2015 Contentful GmbH * * 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 com.contentful.generator; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.CommandLineParser; import org.apache.commons.cli.GnuParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; public class Main { public static void main(String[] args) { CommandLineParser parser = new GnuParser(); Options options = constructOptions(); try { CommandLine line = parser.parse(options, args); if (line.hasOption("space") && line.hasOption("package") && line.hasOption("folder") && line.hasOption("token")) { new Generator().generate(line.getOptionValue("space"), line.getOptionValue("package"), line.getOptionValue("folder"), line.getOptionValue("token")); } else { usage(options); } } catch (ParseException e) { System.err.println("Parsing failed, reason: " + e.getMessage()); } } public static Options constructOptions() { return new Options().addOption("s", "space", true, "Space ID") .addOption("t", "token", true, "Management API Access Token") .addOption("p", "package", true, "Destination package name") .addOption("f", "folder", true, "Destination folder path"); } public static void usage(Options options) { new HelpFormatter().printHelp("generator.java", options); } }