projects / deliverable / tracecompass.git / blame
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|---|---|---|
| 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 | // ------------------------------------------------------------------------ | |
| c5f68877 BH |
32 | /** |
| 33 | * The singleton instance. | |
| 34 | */ | |
| 276c17e7 BH |
35 | private static LTTngControlServiceFactory fInstance = null; |
| 36 | ||
| 37 | // ------------------------------------------------------------------------ | |
| 38 | // Constructor | |
| 39 | // ------------------------------------------------------------------------ | |
| c5f68877 BH |
40 | /** |
| 41 | * Constructor | |
| 42 | */ | |
| 276c17e7 BH |
43 | private LTTngControlServiceFactory() { |
| 44 | } | |
| 45 | ||
| 46 | // ------------------------------------------------------------------------ | |
| 47 | // Accessors | |
| 48 | // ------------------------------------------------------------------------ | |
| c5f68877 BH |
49 | /** |
| 50 | * @return the LTTngControlServiceFactory singleton instance. | |
| 51 | */ | |
| 276c17e7 BH |
52 | public static synchronized LTTngControlServiceFactory getInstance() { |
| 53 | if (fInstance == null) { | |
| 54 | fInstance = new LTTngControlServiceFactory(); | |
| 55 | } | |
| 56 | return fInstance; | |
| 57 | } | |
| 58 | ||
| 59 | // ------------------------------------------------------------------------ | |
| 60 | // Factory method | |
| 61 | // ------------------------------------------------------------------------ | |
| c5f68877 BH |
62 | /** |
| 63 | * Gets the LTTng Control Service implementation based on the version of the | |
| 64 | * remote LTTng Tools. | |
| 65 | * @param shell - the shell implementation to pass to the service | |
| 66 | * @return - LTTng Control Service implementation | |
| 67 | * @throws ExecutionException | |
| 68 | */ | |
| 276c17e7 BH |
69 | public ILttngControlService getLttngControlService(ICommandShell shell) throws ExecutionException { |
| 70 | // get the version | |
| 71 | ICommandResult result = shell.executeCommand(LTTngControlServiceConstants.CONTROL_COMMAND + LTTngControlServiceConstants.COMMAND_VERSION, new NullProgressMonitor()); | |
| 72 | ||
| 73 | if ((result != null) && (result.getResult() == 0) && (result.getOutput().length >= 1) && (!LTTngControlServiceConstants.ERROR_PATTERN.matcher(result.getOutput()[0]).matches())) { | |
| 74 | int index = 0; | |
| 75 | while (index < result.getOutput().length) { | |
| 76 | String line = result.getOutput()[index]; | |
| 77 | Matcher matcher = LTTngControlServiceConstants.VERSION_PATTERN.matcher(line); | |
| 78 | if (matcher.matches()) { | |
| 79 | String version = matcher.group(1).trim(); | |
| 80 | if (version.startsWith(LTTngControlServiceConstants.LTTNG_MAJOR_VERSION_2_0)) { | |
| 81 | LTTngControlService service = new LTTngControlService(shell); | |
| 82 | service.setVersion(version); | |
| 83 | return service; | |
| 84 | } | |
| 85 | throw new ExecutionException(Messages.TraceControl_UnsupportedVersionError + ": " + version); //$NON-NLS-1$ | |
| 86 | } | |
| 87 | index++; | |
| 88 | } | |
| 89 | } | |
| 90 | throw new ExecutionException(Messages.TraceControl_GettingVersionError); | |
| 91 | } | |
| 92 | } |