1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.db.services;
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14 import org.eclipse.core.runtime.CoreException;
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15 import org.eclipse.core.runtime.IConfigurationElement;
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16 import org.eclipse.core.runtime.IExtensionPoint;
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17 import org.eclipse.core.runtime.IExtensionRegistry;
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18 import org.eclipse.core.runtime.IStatus;
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19 import org.eclipse.core.runtime.MultiStatus;
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20 import org.eclipse.core.runtime.Platform;
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21 import org.eclipse.core.runtime.Status;
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22 import org.simantics.db.Session;
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25 * @author Tuukka Lehtonen
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27 public class GlobalServiceInitializer implements ServiceInitializer {
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29 private static final String PLUGIN_ID = "org.simantics.db.services";
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31 private static final String SERVICE_INITIALIZER = "serviceInitializer";
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33 public static final int INITIALIZER_ERROR = 1;
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36 public IStatus initialize(final Session s) {
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37 MultiStatus problems = new MultiStatus(PLUGIN_ID, INITIALIZER_ERROR, "ServiceInitializer errors:", null);
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39 // Initialize adaption service
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40 merge(problems, new AdaptionServiceInitializer().initialize(s));
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42 //s.registerService(StructuralResourceListener.class, new StructuralResourceListenerImpl(s));
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44 // Find extensions if any are available
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45 IExtensionRegistry er = Platform.getExtensionRegistry();
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47 IExtensionPoint ep = er.getExtensionPoint(PLUGIN_ID, SERVICE_INITIALIZER);
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49 for (IConfigurationElement conf : ep.getConfigurationElements()) {
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51 // System.out.println("initialize: " + conf.getAttribute("class") + " (id=" + conf.getAttribute("id") + ")");
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52 ServiceInitializer initializer = (ServiceInitializer) conf.createExecutableExtension("class");
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53 merge(problems, initializer.initialize(s));
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54 } catch (CoreException e) {
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55 IStatus status = new Status(IStatus.ERROR, conf.getDeclaringExtension().getNamespaceIdentifier(), "ServiceInitializer instantiation failed, see exception for details.", e);
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56 problems.merge(status);
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61 if (problems.isOK())
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62 return Status.OK_STATUS;
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66 public IStatus initialize(Session s, String initializerId) {
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67 if (initializerId == null)
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68 throw new IllegalArgumentException("null initializer id");
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70 // Find the matching service initializer extension
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71 for (IConfigurationElement conf : Platform.getExtensionRegistry().getExtensionPoint(PLUGIN_ID, SERVICE_INITIALIZER).getConfigurationElements()) {
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73 String id = conf.getAttribute("id");
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74 if (initializerId.equals(id)) {
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75 // System.out.println("initialize: " + conf.getAttribute("class"));
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76 ServiceInitializer initializer = (ServiceInitializer) conf.createExecutableExtension("class");
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77 return initializer.initialize(s);
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79 } catch (CoreException e) {
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80 return new Status(IStatus.ERROR, conf.getDeclaringExtension().getNamespaceIdentifier(), "ServiceInitializer instantiation failed, see exception for details.", e);
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83 return new Status(IStatus.ERROR, PLUGIN_ID, "ServiceInitializer extension with id '" + initializerId + "' not found.", null);
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86 private void merge(MultiStatus result, IStatus status) {
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