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Package: EMFFormsLegacyServicesManagerImpl
EMFFormsLegacyServicesManagerImpl
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| EMFFormsLegacyServicesManagerImpl() |
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| activate(BundleContext) |
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| deactivate() |
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| instantiate() |
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| parseExtensions() |
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| setReportService(ReportService) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2015 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Eugen Neufeld - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emfforms.internal.core.services.legacy;
15:
16: import java.util.LinkedHashSet;
17: import java.util.Set;
18:
19: import org.eclipse.core.runtime.CoreException;
20: import org.eclipse.core.runtime.IConfigurationElement;
21: import org.eclipse.core.runtime.IExtensionRegistry;
22: import org.eclipse.core.runtime.Platform;
23: import org.eclipse.emf.ecp.view.spi.context.EMFFormsLegacyServicesManager;
24: import org.eclipse.emf.ecp.view.spi.context.GlobalViewModelService;
25: import org.eclipse.emf.ecp.view.spi.context.ViewModelService;
26: import org.eclipse.emfforms.spi.common.report.AbstractReport;
27: import org.eclipse.emfforms.spi.common.report.ReportService;
28: import org.eclipse.emfforms.spi.core.services.view.EMFFormsViewServiceFactory;
29: import org.osgi.framework.BundleContext;
30: import org.osgi.framework.ServiceRegistration;
31: import org.osgi.service.component.annotations.Activate;
32: import org.osgi.service.component.annotations.Component;
33: import org.osgi.service.component.annotations.Deactivate;
34: import org.osgi.service.component.annotations.Reference;
35: import org.osgi.service.component.annotations.ReferenceCardinality;
36: import org.osgi.service.component.annotations.ReferencePolicy;
37:
38: /**
39: * This implements the {@link EMFFormsLegacyServicesManager} which allows to use {@link ViewModelService} registered
40: * using an extension point with the new osgi based architecture.
41: *
42: * @author Eugen Neufeld
43: *
44: */
45: @SuppressWarnings("rawtypes")
46: @Component
47: public class EMFFormsLegacyServicesManagerImpl implements EMFFormsLegacyServicesManager {
48:
49: private ReportService reportService;
50: private final Set<ServiceRegistration<EMFFormsViewServiceFactory>> registrations = new LinkedHashSet<ServiceRegistration<EMFFormsViewServiceFactory>>();
51: private BundleContext bundleContext;
52: private boolean instantiated;
53:
54: /**
55: * Called by OSGi to set the {@link ReportService}.
56: *
57: * @param reportService The {@link ReportService}
58: */
59: @Reference(cardinality = ReferenceCardinality.MANDATORY, policy = ReferencePolicy.STATIC, unbind = "-")
60: protected void setReportService(ReportService reportService) {
61: this.reportService = reportService;
62: }
63:
64: /**
65: * Called by OSGi when the component is ready to be activated.
66: *
67: * @param bundleContext The {@link BundleContext}
68: */
69: @Activate
70: protected void activate(BundleContext bundleContext) {
71: this.bundleContext = bundleContext;
72: }
73:
74: /**
75: * Called by OSGi when the component must be deactivated.
76: */
77: @Deactivate
78: protected void deactivate() {
79:• for (final ServiceRegistration<EMFFormsViewServiceFactory> registration : registrations) {
80: registration.unregister();
81: }
82: registrations.clear();
83: }
84:
85: @SuppressWarnings("unchecked")
86: private Set<EMFFormsViewServiceFactory<? extends ViewModelService>> parseExtensions() {
87: final Set<EMFFormsViewServiceFactory<? extends ViewModelService>> legacyServiceProviders = new LinkedHashSet<EMFFormsViewServiceFactory<? extends ViewModelService>>();
88: final IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
89:• if (extensionRegistry == null) {
90: return legacyServiceProviders;
91: }
92: final IConfigurationElement[] controls = extensionRegistry
93: .getConfigurationElementsFor("org.eclipse.emf.ecp.view.context.viewServices"); //$NON-NLS-1$
94:• for (final IConfigurationElement e : controls) {
95: try {
96: final ViewModelService viewService = (ViewModelService) e.createExecutableExtension("class"); //$NON-NLS-1$
97:• if (GlobalViewModelService.class.isInstance(viewService)) {
98: legacyServiceProviders.add(new EMFFormsLegacyGlobalServiceFactory(viewService.getClass(),
99: viewService.getPriority(), reportService));
100: } else {
101: legacyServiceProviders.add(new EMFFormsLegacyLocalServiceFactory(viewService.getClass(),
102: viewService.getPriority(), reportService));
103: }
104: } catch (final CoreException e1) {
105: reportService.report(new AbstractReport(e1));
106: }
107: }
108: return legacyServiceProviders;
109: }
110:
111: /**
112: * {@inheritDoc}
113: *
114: * @see org.eclipse.emf.ecp.view.spi.context.EMFFormsLegacyServicesManager#instantiate()
115: */
116: @Override
117: public void instantiate() {
118:• if (instantiated) {
119: return;
120: }
121: final Set<EMFFormsViewServiceFactory<? extends ViewModelService>> legacyServiceProviders = parseExtensions();
122:• for (final EMFFormsViewServiceFactory<? extends ViewModelService> provider : legacyServiceProviders) {
123: final ServiceRegistration<EMFFormsViewServiceFactory> registerService = bundleContext
124: .registerService(EMFFormsViewServiceFactory.class, provider, null);
125: registrations.add(registerService);
126: }
127: instantiated = true;
128: }
129: }