Mercurial > hg > release > thermostat-0.5
view client/cli/src/main/java/com/redhat/thermostat/client/cli/internal/VMInfoCommand.java @ 937:37c9527f664f
Refactor command class hierarchy
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-January/005343.html
author | Jon VanAlten <jon.vanalten@redhat.com> |
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date | Tue, 29 Jan 2013 00:28:43 -0500 |
parents | 186115da601f |
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.client.cli.internal; import java.io.PrintStream; import java.util.Collection; import java.util.Date; import com.redhat.thermostat.client.cli.HostVMArguments; import com.redhat.thermostat.common.cli.AbstractCommand; import com.redhat.thermostat.common.cli.CommandContext; import com.redhat.thermostat.common.cli.CommandException; import com.redhat.thermostat.common.cli.TableRenderer; import com.redhat.thermostat.common.locale.Translate; import com.redhat.thermostat.common.utils.OSGIUtils; import com.redhat.thermostat.storage.core.HostRef; import com.redhat.thermostat.storage.core.VmRef; import com.redhat.thermostat.storage.dao.DAOException; import com.redhat.thermostat.storage.dao.VmInfoDAO; import com.redhat.thermostat.storage.model.VmInfo; public class VMInfoCommand extends AbstractCommand { private static final Translate<LocaleResources> translator = LocaleResources.createLocalizer(); private static final String NAME = "vm-info"; private static final String STILL_ALIVE = translator.localize(LocaleResources.VM_STOP_TIME_RUNNING); private OSGIUtils serviceProvider; public VMInfoCommand() { this(OSGIUtils.getInstance()); } /** For tests only */ VMInfoCommand(OSGIUtils serviceProvider) { this.serviceProvider = serviceProvider; } @Override public void run(CommandContext ctx) throws CommandException { VmInfoDAO vmsDAO = serviceProvider.getServiceAllowNull(VmInfoDAO.class); if (vmsDAO == null) { throw new CommandException(translator.localize(LocaleResources.VM_SERVICE_UNAVAILABLE)); } HostVMArguments hostVMArgs = new HostVMArguments(ctx.getArguments(), true, false); HostRef host = hostVMArgs.getHost(); VmRef vm = hostVMArgs.getVM(); try { if (vm != null) { getAndPrintVMInfo(ctx, vmsDAO, vm); } else { getAndPrintAllVMInfo(ctx, vmsDAO, host); } } catch (DAOException ex) { ctx.getConsole().getError().println(ex.getMessage()); } finally { serviceProvider.ungetService(VmInfoDAO.class, vmsDAO); } } private void getAndPrintAllVMInfo(CommandContext ctx, VmInfoDAO vmsDAO, HostRef host) { Collection<VmRef> vms = vmsDAO.getVMs(host); for (VmRef vm : vms) { getAndPrintVMInfo(ctx, vmsDAO, vm); } } private void getAndPrintVMInfo(CommandContext ctx, VmInfoDAO vmsDAO, VmRef vm) { VmInfo vmInfo = vmsDAO.getVmInfo(vm); TableRenderer table = new TableRenderer(2); table.printLine(translator.localize(LocaleResources.VM_INFO_PROCESS_ID), String.valueOf(vmInfo.getVmPid())); table.printLine(translator.localize(LocaleResources.VM_INFO_START_TIME), new Date(vmInfo.getStartTimeStamp()).toString()); if (vmInfo.isAlive()) { table.printLine(translator.localize(LocaleResources.VM_INFO_STOP_TIME), STILL_ALIVE); } else { table.printLine(translator.localize(LocaleResources.VM_INFO_STOP_TIME), new Date(vmInfo.getStopTimeStamp()).toString()); } table.printLine(translator.localize(LocaleResources.VM_INFO_MAIN_CLASS), vmInfo.getMainClass()); table.printLine(translator.localize(LocaleResources.VM_INFO_COMMAND_LINE), vmInfo.getJavaCommandLine()); table.printLine(translator.localize(LocaleResources.VM_INFO_JAVA_VERSION), vmInfo.getJavaVersion()); table.printLine(translator.localize(LocaleResources.VM_INFO_VIRTUAL_MACHINE), vmInfo.getVmName()); table.printLine(translator.localize(LocaleResources.VM_INFO_VM_ARGUMENTS), vmInfo.getVmArguments()); PrintStream out = ctx.getConsole().getOutput(); table.render(out); } @Override public String getName() { return NAME; } }