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Package: Activator
Activator
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| Activator() |
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| getDefault() |
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| getImageDescriptor(String) |
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| getValidationService(ECPProject) |
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| getValidationServiceProvider() |
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| start(BundleContext) |
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| stop(BundleContext) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2008-2012 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: ******************************************************************************/
13: package org.eclipse.emf.ecp.validation.connector;
14:
15: import java.util.Collection;
16: import java.util.HashSet;
17: import java.util.Set;
18:
19: import org.eclipse.core.runtime.Plugin;
20: import org.eclipse.emf.ecore.EObject;
21: import org.eclipse.emf.ecp.core.ECPProject;
22: import org.eclipse.emf.ecp.core.util.ECPUtil;
23: import org.eclipse.emf.ecp.core.util.observer.ECPProjectContentChangedObserver;
24: import org.eclipse.emf.ecp.core.util.observer.ECPProjectsChangedObserver;
25: import org.eclipse.emf.ecp.validation.api.IValidationService;
26: import org.eclipse.emf.ecp.validation.api.IValidationServiceProvider;
27: import org.eclipse.jface.resource.ImageDescriptor;
28: import org.osgi.framework.BundleContext;
29: import org.osgi.framework.ServiceReference;
30:
31: /**
32: * The activator class controls the plug-in life cycle.
33: *
34: * @author emueller
35: */
36: public class Activator extends Plugin {
37:
38: /**
39: * The plug-in ID.
40: */
41: public static final String PLUGIN_ID = "org.eclipse.emf.ecp.validation.connector"; //$NON-NLS-1$
42:
43: /**
44: * The shared instance.
45: */
46: private static Activator plugin;
47:
48: private IValidationServiceProvider validationServiceProvider;
49:
50: private ValidationObserver validationObserver;
51:
52: private BundleContext context;
53:
54: /**
55: * The constructor.
56: */
57: public Activator() {
58: }
59:
60: /**
61: * {@inheritDoc}
62: */
63: @Override
64: public void start(BundleContext context) throws Exception {
65: super.start(context);
66: this.context = context;
67: plugin = this;
68:
69: validationObserver = new ValidationObserver();
70: ECPUtil.getECPObserverBus().register(validationObserver);
71: }
72:
73: /**
74: * {@inheritDoc}
75: */
76: @Override
77: public void stop(BundleContext context) throws Exception {
78: ECPUtil.getECPObserverBus().unregister(validationObserver);
79: plugin = null;
80: super.stop(context);
81: }
82:
83: // END SUPRESS CATCH EXCEPTION
84:
85: /**
86: * Returns the shared instance.
87: *
88: * @return the shared instance
89: */
90: public static Activator getDefault() {
91: return plugin;
92: }
93:
94: /**
95: * Returns the validation service.
96: *
97: * @param project
98: * the project for which to return the validation service
99: *
100: * @return the validation service
101: */
102: public IValidationService getValidationService(ECPProject project) {
103: return getValidationServiceProvider().getValidationService(project);
104: }
105:
106: private IValidationServiceProvider getValidationServiceProvider() {
107:• if (validationServiceProvider == null) {
108: // Register directly with the service
109: final ServiceReference<IValidationServiceProvider> reference = context
110: .getServiceReference(IValidationServiceProvider.class);
111: validationServiceProvider = context.getService(reference);
112: }
113: return validationServiceProvider;
114: }
115:
116: /**
117: * Project change observer that validates changed objects.
118: */
119: private class ValidationObserver implements ECPProjectsChangedObserver, ECPProjectContentChangedObserver {
120:
121: // BEGIN SUPRESS CATCH EXCEPTION
122: /** {@inheritDoc} **/
123: @Override
124: public void projectsChanged(Collection<ECPProject> oldProjects, Collection<ECPProject> newProjects) {
125: // List<ECPProject> newProjectList = Arrays.asList(newProjects);
126: for (final ECPProject project : oldProjects) {
127: if (!newProjects.contains(project)) {
128: getValidationServiceProvider().deleteValidationService(project);
129: }
130: }
131: }
132:
133: /** {@inheritDoc} **/
134: @Override
135: public Collection<Object> objectsChanged(ECPProject project, Collection<Object> objects) {
136: final Set<Object> allAffectedElements = new HashSet<Object>();
137:
138: for (final Object object : objects) {
139: if (object instanceof EObject) {
140: final EObject eObject = (EObject) object;
141:
142: if (eObject.eContainer() == null && eObject.eResource() == null) {
143: // if an object was deleted it must be removed from the cachedTree.
144: for (final EObject childObject : eObject.eContents()) {
145: getValidationService(project).remove(childObject);
146: }
147: getValidationService(project).remove(eObject);
148: } else {
149: final Set<EObject> affected = getValidationService(project).validate(eObject);
150: allAffectedElements.addAll(affected);
151: }
152: }
153: }
154: return allAffectedElements;
155: }
156: }
157:
158: /**
159: * Returns an {@link ImageDescriptor} for the image file at the given plug-in
160: * relative path.
161: *
162: * @param path
163: * the path
164: * @return the image descriptor
165: */
166: public static ImageDescriptor getImageDescriptor(String path) {
167: return ImageDescriptor.createFromURL(getDefault().getBundle().getResource(path));
168: // return imageDescriptorFromPlugin(PLUGIN_ID, path);
169: }
170:
171: }