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