Mercurial > hg > release > thermostat-0.4
view launcher/src/main/java/com/redhat/thermostat/launcher/internal/CommandLineArgumentsParser.java @ 649:73c182a706fc
Remove ArgumentSpec entirely
Reviewed-by: sgehwolf
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2012-September/003396.html
author | Jon VanAlten <vanaltj@gmail.com> |
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date | Tue, 02 Oct 2012 17:43:25 -0400 |
parents | ac3d23577264 |
children |
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/* * Copyright 2012 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat 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, or (at your * option) any later version. * * Thermostat 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 Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.launcher.internal; import java.util.Collection; import java.util.Iterator; import java.util.List; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.CommandLineParser; import org.apache.commons.cli.GnuParser; import org.apache.commons.cli.MissingOptionException; import org.apache.commons.cli.Option; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import com.redhat.thermostat.common.cli.Arguments; public class CommandLineArgumentsParser { private Options options = new Options(); @SuppressWarnings("unchecked") void addOptions(Options options) { for (Option option : (Collection<Option>) options.getOptions()) { this.options.addOption(option); } } Arguments parse(String[] args) throws CommandLineArgumentParseException { try { CommandLineParser parser = new GnuParser(); CommandLine commandLine; commandLine = parser.parse(options, args); return new CommandLineArguments(commandLine); } catch (MissingOptionException mae) { String msg = createMissingOptionsMessage(mae); throw new CommandLineArgumentParseException(msg.toString(), mae); } catch (ParseException e) { throw new CommandLineArgumentParseException(e.getMessage(), e); } } private String createMissingOptionsMessage(MissingOptionException mae) { @SuppressWarnings("unchecked") List<String> missingOptions = mae.getMissingOptions(); StringBuilder msg = new StringBuilder(); if (missingOptions.size() == 1) { msg.append("Missing required option: "); } else { msg.append("Missing required options: "); } for (Iterator<String> i = missingOptions.iterator(); i.hasNext();) { String missingOption = i.next(); if (missingOption.length() > 1) { msg.append("--"); } else { msg.append("-"); } msg.append(missingOption); if (i.hasNext()) { msg.append(", "); } } return msg.toString(); } }