Mercurial > hg > release > thermostat-1.4
view launcher/src/main/java/com/redhat/thermostat/launcher/internal/TabCompletion.java @ 1817:1695efcce99d
Add TreeCompleter to complete logLevels
Reviewed-by: aazores, omajid, jkang, jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2015-September/016483.html
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2015-May/013657.html
PR2646
author | Lukasz Dracz <ldracz@redhat.com> |
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date | Tue, 23 Jun 2015 10:46:29 -0400 |
parents | |
children | 912b35b5bedd |
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/* * Copyright 2012-2015 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.ArrayList; import java.util.Collection; import java.util.List; import com.redhat.thermostat.common.utils.LoggingUtils; import jline.console.ConsoleReader; import jline.console.completer.FileNameCompleter; import org.apache.commons.cli.Option; import static com.redhat.thermostat.launcher.internal.TreeCompleter.createStringNode; public class TabCompletion { private static final String LONG_OPTION_PREFIX = "--"; private static final String SHORT_OPTION_PREFIX = "-"; public static void setupTabCompletion(ConsoleReader reader, CommandInfoSource commandInfoSource) { List<String> logLevels = new ArrayList<>(); for (LoggingUtils.LogLevel level : LoggingUtils.LogLevel.values()) { logLevels.add(level.getLevel().getName()); } TreeCompleter treeCompleter = new TreeCompleter(); for (CommandInfo info : commandInfoSource.getCommandInfos()) { if (info.getEnvironments().contains(Environment.SHELL)) { String commandName = info.getName(); TreeCompleter.Node command = createStringNode(commandName); for (Option option : (Collection<Option>) info.getOptions().getOptions()) { if (option.getLongOpt().equals("logLevel")) { setupLogLevelCompletion(logLevels, command, option); } else { setupDefaultCompletion(command, option); } } if (info.needsFileTabCompletions()) { TreeCompleter.Node files = new TreeCompleter.Node(new FileNameCompleter()); files.setRestartNode(command); command.addBranch(files); } treeCompleter.addBranch(command); } } reader.addCompleter(treeCompleter); } private static void setupDefaultCompletion(final TreeCompleter.Node command, final Option option) { if (option.getLongOpt() != null) { String optionLongName = LONG_OPTION_PREFIX + option.getLongOpt(); TreeCompleter.Node defaultNode = createStringNode(optionLongName); defaultNode.setRestartNode(command); command.addBranch(defaultNode); } if (option.getOpt() != null) { String optionShortName = SHORT_OPTION_PREFIX + option.getOpt(); TreeCompleter.Node defaultNode = createStringNode(optionShortName); defaultNode.setRestartNode(command); command.addBranch(defaultNode); } } private static void setupLogLevelCompletion( final List<String> logLevels, final TreeCompleter.Node command, final Option option) { if (option.getLongOpt() != null) { String optionLongName = LONG_OPTION_PREFIX + option.getLongOpt(); TreeCompleter.Node logLevelOption = createStringNode(optionLongName); TreeCompleter.Node logLevelChoices = createStringNode(logLevels); logLevelChoices.setRestartNode(command); logLevelOption.addBranch(logLevelChoices); command.addBranch(logLevelOption); } if (option.getOpt() != null) { String optionShortName = SHORT_OPTION_PREFIX + option.getOpt(); TreeCompleter.Node logLevelOption = createStringNode(optionShortName); TreeCompleter.Node logLevelChoices = createStringNode(logLevels); logLevelChoices.setRestartNode(command); logLevelOption.addBranch(logLevelChoices); command.addBranch(logLevelOption); } } }