Java tutorial
/************************************************************ * Copyright (c) 2015, Lawrence Livermore National Security, LLC. * Produced at the Lawrence Livermore National Laboratory. * Written by Timothy Meier, meier3@llnl.gov, All rights reserved. * LLNL-CODE-673346 * * This file is part of the OpenSM Monitoring Service (OMS) package. * * 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) version 2.1 dated February 1999. * * 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 2 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, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * OUR NOTICE AND TERMS AND CONDITIONS OF THE GNU GENERAL PUBLIC LICENSE * * Our Preamble Notice * * A. This notice is required to be provided under our contract with the U.S. * Department of Energy (DOE). This work was produced at the Lawrence Livermore * National Laboratory under Contract No. DE-AC52-07NA27344 with the DOE. * * B. Neither the United States Government nor Lawrence Livermore National * Security, LLC nor any of their employees, makes any warranty, express or * implied, or assumes any liability or responsibility for the accuracy, * completeness, or usefulness of any information, apparatus, product, or * process disclosed, or represents that its use would not infringe privately- * owned rights. * * C. Also, reference herein to any specific commercial products, process, or * services by trade name, trademark, manufacturer or otherwise does not * necessarily constitute or imply its endorsement, recommendation, or favoring * by the United States Government or Lawrence Livermore National Security, * LLC. The views and opinions of authors expressed herein do not necessarily * state or reflect those of the United States Government or Lawrence Livermore * National Security, LLC, and shall not be used for advertising or product * endorsement purposes. * * file: SmtConsole.java * * Created on: Mar 20, 2013 * Author: meier3 ********************************************************************/ package gov.llnl.lc.smt.command.console; import java.util.Map; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.Option; import org.apache.commons.cli.OptionBuilder; import gov.llnl.lc.smt.command.SmtCommand; import gov.llnl.lc.smt.command.config.SmtConfig; import gov.llnl.lc.smt.props.SmtProperty; /********************************************************************** * The SmtCommand version of an SmtConsoleManager. Its primary purpose * is to handle the various modes of operation of the SmtConsole through * the use of the standard configuration methods. * <p> * @see SmtConsoleManager * * @author meier3 * * @version Mar 20, 2013 12:08:04 PM **********************************************************************/ public class SmtConsole extends SmtCommand { /************************************************************ * Method Name: * parseCommands **/ /** * Describe the method here * * @see gov.llnl.lc.smt.command.SmtCommandInterface#parseCommands(java.util.Map, org.apache.commons.cli.CommandLine) * * @param config * @param line * @return ***********************************************************/ @Override public boolean parseCommands(Map<String, String> config, CommandLine line) { // set the command and sub-command config.put(SmtProperty.SMT_COMMAND.getName(), this.getClass().getName()); // parse (only) the command specific options SmtProperty sp = SmtProperty.SMT_REUSE; if (line.hasOption(sp.getName())) { config.put(sp.getName(), line.getOptionValue(sp.getName())); } sp = SmtProperty.SMT_UPDATE_PERIOD; if (line.hasOption(sp.getName())) { config.put(sp.getName(), line.getOptionValue(sp.getName())); } sp = SmtProperty.SMT_UPDATE_MULTIPLIER; if (line.hasOption(sp.getName())) { config.put(sp.getName(), line.getOptionValue(sp.getName())); } sp = SmtProperty.SMT_WRAP_DATA; if (line.hasOption(sp.getName())) { config.put(sp.getName(), line.getOptionValue(sp.getName())); } sp = SmtProperty.SMT_PLAY_CONTROL; if (line.hasOption(sp.getName())) { config.put(sp.getName(), "true"); } sp = SmtProperty.SMT_FILTER_FILE; if (line.hasOption(sp.getName())) { config.put(sp.getName(), line.getOptionValue(sp.getName())); } sp = SmtProperty.SMT_READ_OMS_HISTORY; if (line.hasOption(sp.getName())) { // save this, only if its a valid file boolean status = putHistoryProperty(config, line.getOptionValue(sp.getName())); config.put(SmtProperty.SMT_SUBCOMMAND.getName(), sp.getName()); if (status) config.put(SmtProperty.SMT_FILE_NAME.getName(), convertSpecialFileName(line.getOptionValue(sp.getName()))); } return true; } /************************************************************ * Method Name: * doCommand **/ /** * Describe the method here * * @see gov.llnl.lc.smt.command.SmtCommand#doCommand(gov.llnl.lc.smt.command.config.SmtConfig) * * @param config * @return * @throws Exception ***********************************************************/ @Override public boolean doCommand(SmtConfig config) throws Exception { // this is the console command, and ultimately we want to be able // to operate off an instance of the the service (OFFLINE) or // dynamically with changing data // ALSO: a mode where a connection is established and used or // reused until done. As opposed to a new connection each time // new data is desired or refreshed. Both have pros/cons, so // provide both. initServiceUpdater(config); // check for white or black list, and init initFilter(smtConfig.getConfigMap()); SmtConsoleManager mgr = SmtConsoleManager.getInstance(); try { // give the manager the updater, so it can initialize itself, then done! mgr.initManager(UpdateService, SmtScreenType.SCN_CONTENTS, this); } catch (Exception e) { logger.severe("Could not initialize the SmtConsoleManager with the update service"); e.printStackTrace(); } return true; } /************************************************************ * Method Name: * init **/ /** * Describe the method here * * @see gov.llnl.lc.smt.command.SmtCommand#init() * * @return ***********************************************************/ @Override public boolean init() { USAGE = "[-h=<host url>] [-pn=<port num>]"; HEADER = "smt-console - An interactive console (curses application)"; // create and initialize the common options for this command initCommonOptions(); // initialize the command specific options SmtProperty sp = SmtProperty.SMT_REUSE; Option re_use = OptionBuilder.hasArg(true).hasArgs(1).withArgName(sp.getArgName()).withValueSeparator('=') .withDescription(sp.getDescription()).withLongOpt(sp.getName()).create(sp.getShortName()); sp = SmtProperty.SMT_UPDATE_PERIOD; Option uPeriod = OptionBuilder.hasArg(true).hasArgs(1).withArgName(sp.getArgName()).withValueSeparator('=') .withDescription(sp.getDescription()).withLongOpt(sp.getName()).create(sp.getShortName()); sp = SmtProperty.SMT_UPDATE_MULTIPLIER; Option multi = OptionBuilder.hasArg(true).hasArgs(1).withArgName(sp.getArgName()).withValueSeparator('=') .withDescription(sp.getDescription()).withLongOpt(sp.getName()).create(sp.getShortName()); sp = SmtProperty.SMT_WRAP_DATA; Option wrap = OptionBuilder.hasArg(true).hasArgs(1).withArgName(sp.getArgName()).withValueSeparator('=') .withDescription(sp.getDescription()).withLongOpt(sp.getName()).create(sp.getShortName()); sp = SmtProperty.SMT_READ_OMS_HISTORY; Option rHist = OptionBuilder.hasArg(true).hasArgs(1).withArgName(sp.getArgName()).withValueSeparator('=') .withDescription(sp.getDescription()).withLongOpt(sp.getName()).create(sp.getShortName()); sp = SmtProperty.SMT_PLAY_CONTROL; Option play = new Option(sp.getShortName(), sp.getName(), false, sp.getDescription()); sp = SmtProperty.SMT_FILTER_FILE; Option fF = OptionBuilder.hasArg(true).hasArgs(1).withArgName(sp.getArgName()).withValueSeparator('=') .withDescription(sp.getDescription()).withLongOpt(sp.getName()).create(sp.getShortName()); options.addOption(re_use); options.addOption(uPeriod); options.addOption(multi); options.addOption(wrap); options.addOption(rHist); options.addOption(fF); options.addOption(play); return true; } /************************************************************ * Method Name: * main **/ /** * Describe the method here * * @see describe related java objects * * @param args * @throws Exception ***********************************************************/ public static void main(String[] args) throws Exception { System.exit((new SmtConsole().execute(args)) ? 0 : -1); } }