Mercurial > hg > release > thermostat-1.2
view client/cli/src/main/java/com/redhat/thermostat/client/cli/internal/CleanDataCommand.java @ 1660:c6ae78b6f3ac
[Thermostat 1.2] Update copyright year to 2015
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2015-March/013127.html
PR2273
author | Severin Gehwolf <sgehwolf@redhat.com> |
---|---|
date | Wed, 11 Mar 2015 15:07:27 +0100 |
parents | d5a7cb4fab04 |
children |
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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.client.cli.internal; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintStream; import java.util.List; import org.osgi.framework.BundleContext; import org.osgi.framework.ServiceReference; import com.redhat.thermostat.common.cli.AbstractCommand; import com.redhat.thermostat.common.cli.Arguments; import com.redhat.thermostat.common.cli.CommandContext; import com.redhat.thermostat.common.cli.CommandException; import com.redhat.thermostat.shared.locale.Translate; import com.redhat.thermostat.storage.core.HostRef; import com.redhat.thermostat.storage.core.Storage; import com.redhat.thermostat.storage.dao.AgentInfoDAO; import com.redhat.thermostat.storage.model.AgentInformation; public class CleanDataCommand extends AbstractCommand { private static final Translate<LocaleResources> translator = LocaleResources.createLocalizer(); private BundleContext bundleContext; private boolean removeLiveAgent = false; CleanDataCommand (BundleContext bundleContext) { this.bundleContext = bundleContext; } @Override public void run(CommandContext ctx) throws CommandException { InputStream input = ctx.getConsole().getInput(); PrintStream output = ctx.getConsole().getOutput(); try { if (!userConfirmsCleanOperation(input, output)) { indicateCleanCancelled(output); return; } } catch (IOException ex) { // We were not able to confirm operation with user. indicateCleanCancelled(output); return; } ServiceReference storageServiceRef = bundleContext.getServiceReference(Storage.class); requireNonNull(storageServiceRef, translator.localize(LocaleResources.STORAGE_UNAVAILABLE)); Storage storage = (Storage) bundleContext.getService(storageServiceRef); try { Arguments args = ctx.getArguments(); List<String> agentIdList = args.getNonOptionArguments(); removeLiveAgent = args.hasArgument(CleanOptions.ALIVE.option); if (args.hasArgument(CleanOptions.ALL.option)) { removeDataForAllAgents(storage, output); } else { removeDataForSpecifiedAgents(storage, agentIdList, output); } } finally { bundleContext.ungetService(storageServiceRef); } } public void removeDataForSpecifiedAgents(Storage storage, List <String> agentIdList, PrintStream output) throws CommandException { ServiceReference agentServiceRef = bundleContext.getServiceReference(AgentInfoDAO.class); requireNonNull(agentServiceRef, translator.localize(LocaleResources.AGENT_UNAVAILABLE)); AgentInfoDAO agentInfoDAO = (AgentInfoDAO) bundleContext.getService(agentServiceRef); try { for (String agentId : agentIdList) { AgentInformation agentInfo = agentInfoDAO.getAgentInformation(new HostRef(agentId, "unused")); if (agentInfo != null) { removeAgentDataIfSane(storage, agentId, !agentInfo.isAlive(), output); } else { output.println(translator.localize(LocaleResources.AGENT_NOT_FOUND, agentId).getContents()); } } } finally { bundleContext.ungetService(agentServiceRef); } } public void removeDataForAllAgents(Storage storage, PrintStream output) throws CommandException { ServiceReference agentServiceRef = bundleContext.getServiceReference(AgentInfoDAO.class); requireNonNull(agentServiceRef, translator.localize(LocaleResources.AGENT_UNAVAILABLE)); AgentInfoDAO agentInfoDAO = (AgentInfoDAO) bundleContext.getService(agentServiceRef); try { List<AgentInformation> allAgents = agentInfoDAO.getAllAgentInformation(); for (AgentInformation agentInfo : allAgents) { boolean isDead = !agentInfo.isAlive(); removeAgentDataIfSane(storage, agentInfo.getAgentId(), isDead, output); } } finally { bundleContext.ungetService(agentServiceRef); } } private void removeAgentDataIfSane(Storage storage, String agentId, boolean isDead, PrintStream output) { if (isDead || removeLiveAgent) { output.println(translator.localize(LocaleResources.PURGING_AGENT_DATA).getContents() + agentId); storage.purge(agentId); } else { output.println(translator.localize(LocaleResources.CANNOT_PURGE_AGENT_RUNNING, agentId).getContents()); } } private enum CleanOptions { ALL("all"), ALIVE("alive"); private String option; CleanOptions(String option) { this.option = option; } } private boolean userConfirmsCleanOperation(InputStream input, PrintStream output) throws IOException { output.println(translator.localize(LocaleResources.PURGE_EXPENSIVE_OPERATION_WARNING).getContents()); output.print(translator.localize(LocaleResources.PURGE_EXPENSIVE_OPERATION_PROMPT).getContents()); String userInput = new BufferedReader(new InputStreamReader(input)).readLine(); for (String affirmative : affirmativeResponses()) { if (affirmative.equals(userInput.toLowerCase())) { return true; } } return false; } private String[] affirmativeResponses() { String yesses = translator.localize(LocaleResources.AFFIRMATIVE_RESPONSES).getContents(); return yesses.split("|"); } private void indicateCleanCancelled(PrintStream output) { output.println(translator.localize(LocaleResources.PURGE_CANCELLED_MESSAGE).getContents()); } }