Java tutorial
package libra; /* * Copyright 2016 iychoi. * * 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. */ import java.util.ArrayList; import java.util.List; import libra.core.Core; import libra.preprocess.Preprocessor; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * * @author iychoi */ public class Libra { private static final Log LOG = LogFactory.getLog(Libra.class); private static int RUN_MODE_PREPROCESS = 0x00; private static int RUN_MODE_CORE = 0x01; private static boolean isHelpParam(String[] args) { if (args.length < 1 || args[0].equalsIgnoreCase("-h") || args[0].equalsIgnoreCase("--help")) { return true; } return false; } private static int checkRunMode(String[] args) { int runMode = 0; for (String arg : args) { if (arg.equalsIgnoreCase("preprocess")) { runMode = RUN_MODE_PREPROCESS; } else if (arg.equalsIgnoreCase("core")) { runMode = RUN_MODE_CORE; } } return runMode; } private static String[] removeRunMode(String[] args) { List<String> param = new ArrayList<String>(); for (String arg : args) { if (!arg.equalsIgnoreCase("preprocess") && !arg.equalsIgnoreCase("core")) { param.add(arg); } } return param.toArray(new String[0]); } public static void main(String[] args) throws Exception { if (isHelpParam(args)) { printHelp(); return; } int runMode = checkRunMode(args); String[] params = removeRunMode(args); if (runMode == RUN_MODE_PREPROCESS) { Preprocessor.main(params); } else if (runMode == RUN_MODE_CORE) { Core.main(params); } } private static void printHelp() { System.out.println("============================================================"); System.out.println("Libra : Massive Comparative Analytic Tools for Metagenomics"); System.out.println("============================================================"); System.out.println("Usage :"); System.out.println("> libra <command> <arguments ...>"); System.out.println(); System.out.println("Commands :"); System.out.println("> preprocess"); System.out.println("> core"); } }