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b3b03da0 | 1 | /******************************************************************************* |
60ae41e1 | 2 | * Copyright (c) 2013, 2014 École Polytechnique de Montréal |
b3b03da0 GB |
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 | * Geneviève Bastien - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.internal.tmf.core.analysis; | |
14 | ||
15 | import java.util.ArrayList; | |
16 | import java.util.List; | |
17 | ||
18 | import org.eclipse.core.runtime.CoreException; | |
19 | import org.eclipse.core.runtime.IConfigurationElement; | |
20 | import org.eclipse.core.runtime.InvalidRegistryObjectException; | |
21 | import org.eclipse.core.runtime.Platform; | |
22 | import org.eclipse.linuxtools.internal.tmf.core.Activator; | |
23 | import org.eclipse.linuxtools.tmf.core.analysis.IAnalysisModuleSource; | |
24 | ||
25 | /** | |
26 | * Utility class for accessing TMF analysis module extensions from the | |
27 | * platform's extensions registry and returning the module sources. | |
28 | * | |
29 | * @author Geneviève Bastien | |
30 | */ | |
31 | public final class TmfAnalysisModuleSources { | |
32 | ||
33 | /** Extension point ID */ | |
34 | public static final String TMF_ANALYSIS_TYPE_ID = "org.eclipse.linuxtools.tmf.core.analysis"; //$NON-NLS-1$ | |
35 | ||
36 | /** Extension point element 'module' */ | |
37 | public static final String SOURCE_ELEM = "source"; //$NON-NLS-1$ | |
38 | ||
39 | /** Extension point attribute 'class' */ | |
40 | public static final String CLASS_ATTR = "class"; //$NON-NLS-1$ | |
41 | ||
42 | private TmfAnalysisModuleSources() { | |
43 | ||
44 | } | |
45 | ||
46 | /** | |
47 | * Return the analysis module sources advertised in the extension | |
48 | * point, in iterable format. | |
49 | * | |
50 | * @return List of {@link IAnalysisModuleSource} | |
51 | */ | |
52 | public static Iterable<IAnalysisModuleSource> getSources() { | |
53 | List<IAnalysisModuleSource> sources = new ArrayList<>(); | |
54 | // Get the sources element from the extension point | |
55 | IConfigurationElement[] config = Platform.getExtensionRegistry().getConfigurationElementsFor(TMF_ANALYSIS_TYPE_ID); | |
56 | for (IConfigurationElement ce : config) { | |
57 | String elementName = ce.getName(); | |
58 | if (elementName.equals(SOURCE_ELEM)) { | |
59 | try { | |
60 | IAnalysisModuleSource source = (IAnalysisModuleSource) ce.createExecutableExtension(CLASS_ATTR); | |
61 | sources.add(source); | |
62 | } catch (InvalidRegistryObjectException e) { | |
63 | Activator.logError("Error creating module source", e); //$NON-NLS-1$ | |
64 | } catch (CoreException e) { | |
65 | Activator.logError("Error creating module source", e); //$NON-NLS-1$ | |
66 | } | |
67 | ||
68 | } | |
69 | } | |
70 | return sources; | |
71 | } | |
72 | } |