projects / deliverable / tracecompass.git / blame
| Commit | Line | Data |
|---|---|---|
| 276c17e7 BH |
1 | /********************************************************************** |
| 2 | * Copyright (c) 2012 Ericsson | |
| 3 | * | |
| 4 | * All rights reserved. This program and the accompanying materials are | |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which | |
| 6 | * accompanies this distribution, and is available at | |
| 7 | * http://www.eclipse.org/legal/epl-v10.html | |
| 8 | * | |
| 9 | * Contributors: | |
| 10 | * Bernd Hufmann - Initial API and implementation | |
| 11 | **********************************************************************/ | |
| 12 | package org.eclipse.linuxtools.internal.lttng2.ui.views.control.service; | |
| 13 | ||
| 14 | import java.util.regex.Matcher; | |
| 15 | ||
| 16 | import org.eclipse.core.commands.ExecutionException; | |
| 17 | import org.eclipse.core.runtime.NullProgressMonitor; | |
| 18 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.Messages; | |
| 19 | ||
| 20 | /** | |
| 21 | * <b><u>LTTngControlServiceFactory</u></b> | |
| 22 | * <p> | |
| 23 | * Factory to create LTTngControlService instances depending on the version of the LTTng Trace Control | |
| 24 | * installed on the remote host. | |
| 25 | * </p> | |
| 26 | */ | |
| 27 | public class LTTngControlServiceFactory { | |
| 28 | ||
| 29 | // ------------------------------------------------------------------------ | |
| 30 | // Attributes | |
| 31 | // ------------------------------------------------------------------------ | |
| 32 | private static LTTngControlServiceFactory fInstance = null; | |
| 33 | ||
| 34 | // ------------------------------------------------------------------------ | |
| 35 | // Constructor | |
| 36 | // ------------------------------------------------------------------------ | |
| 37 | private LTTngControlServiceFactory() { | |
| 38 | } | |
| 39 | ||
| 40 | // ------------------------------------------------------------------------ | |
| 41 | // Accessors | |
| 42 | // ------------------------------------------------------------------------ | |
| 43 | public static synchronized LTTngControlServiceFactory getInstance() { | |
| 44 | if (fInstance == null) { | |
| 45 | fInstance = new LTTngControlServiceFactory(); | |
| 46 | } | |
| 47 | return fInstance; | |
| 48 | } | |
| 49 | ||
| 50 | // ------------------------------------------------------------------------ | |
| 51 | // Factory method | |
| 52 | // ------------------------------------------------------------------------ | |
| 53 | public ILttngControlService getLttngControlService(ICommandShell shell) throws ExecutionException { | |
| 54 | // get the version | |
| 55 | ICommandResult result = shell.executeCommand(LTTngControlServiceConstants.CONTROL_COMMAND + LTTngControlServiceConstants.COMMAND_VERSION, new NullProgressMonitor()); | |
| 56 | ||
| 57 | if ((result != null) && (result.getResult() == 0) && (result.getOutput().length >= 1) && (!LTTngControlServiceConstants.ERROR_PATTERN.matcher(result.getOutput()[0]).matches())) { | |
| 58 | int index = 0; | |
| 59 | while (index < result.getOutput().length) { | |
| 60 | String line = result.getOutput()[index]; | |
| 61 | Matcher matcher = LTTngControlServiceConstants.VERSION_PATTERN.matcher(line); | |
| 62 | if (matcher.matches()) { | |
| 63 | String version = matcher.group(1).trim(); | |
| 64 | if (version.startsWith(LTTngControlServiceConstants.LTTNG_MAJOR_VERSION_2_0)) { | |
| 65 | LTTngControlService service = new LTTngControlService(shell); | |
| 66 | service.setVersion(version); | |
| 67 | return service; | |
| 68 | } | |
| 69 | throw new ExecutionException(Messages.TraceControl_UnsupportedVersionError + ": " + version); //$NON-NLS-1$ | |
| 70 | } | |
| 71 | index++; | |
| 72 | } | |
| 73 | } | |
| 74 | throw new ExecutionException(Messages.TraceControl_GettingVersionError); | |
| 75 | } | |
| 76 | } |