Mercurial > hg > release > thermostat-0.9
view launcher/src/main/java/com/redhat/thermostat/launcher/internal/BuiltInCommandInfoSource.java @ 1067:f0f0027e0724
Hide CommandInfo and reduce Command interface
Reviewed-by: vanaltj
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-April/006349.html
author | Omair Majid <omajid@redhat.com> |
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date | Wed, 17 Apr 2013 14:34:38 -0400 |
parents | 1936ad067842 |
children |
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/* * Copyright 2012, 2013 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.io.File; import java.io.FileReader; import java.io.FilenameFilter; import java.io.IOException; import java.util.Collection; import java.util.HashMap; import java.util.Map; import java.util.Properties; import java.util.logging.Logger; import com.redhat.thermostat.common.utils.LoggingUtils; public class BuiltInCommandInfoSource implements CommandInfoSource { private static final Logger logger = LoggingUtils.getLogger(BuiltInCommandInfoSource.class); private Map<String, CommandInfo> commands; BuiltInCommandInfoSource(String commandsDir, String libRoot) { commands = new HashMap<>(); final File dir = new File(commandsDir); if (dir.isDirectory()) { FilenameFilter filter = new FilenameFilter() { @Override public boolean accept(File theDir, String filename) { if (!theDir.equals(dir)) { return false; } return filename.endsWith(".properties"); } }; File[] commandPropertyFiles = dir.listFiles(filter); for (File file : commandPropertyFiles) { Properties commandProps = new Properties(); try { commandProps.load(new FileReader(file)); } catch (IOException ignore) { // This means the command won't work, if it has dependencies it // needs to load. Also, it will not appear in help listing. logger.warning("Issue loading properties file: " + file.getPath()); } String commandName = deduceCommandName(file.getName()); commands.put(commandName, new BuiltInCommandInfo(commandName, commandProps, libRoot)); } } else { logger.warning("Command configuration directory not found or not a directory: " + dir.getPath()); } } private String deduceCommandName(String fileName) { int dotIndex = fileName.lastIndexOf("."); return fileName.substring(0, dotIndex); } @Override public CommandInfo getCommandInfo(String name) throws CommandInfoNotFoundException { CommandInfo cmdInfo = commands.get(name); if (cmdInfo == null) { throw new CommandInfoNotFoundException(name); } return cmdInfo; } @Override public Collection<CommandInfo> getCommandInfos() { return commands.values(); } }