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Package: CustomDMRMappingProvider
CustomDMRMappingProvider
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| CustomDMRMappingProvider() |
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| activate(BundleContext) |
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| getEMFFormsMappingProviderManager() |
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| getMappingFor(Collection, EObject) |
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| getMappingFor(VDomainModelReference, EObject) |
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| isApplicable(VDomainModelReference, EObject) |
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| loadObject(String, String) |
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| setEMFFormsMappingProviderManager(EMFFormsMappingProviderManager) |
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| setReportService(ReportService) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2016 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.emf.ecp.view.spi.custom.model.impl;
15:
16: import java.util.Collection;
17: import java.util.Collections;
18: import java.util.LinkedHashSet;
19: import java.util.Set;
20:
21: import org.eclipse.core.runtime.Platform;
22: import org.eclipse.emf.ecore.EObject;
23: import org.eclipse.emf.ecp.common.spi.UniqueSetting;
24: import org.eclipse.emf.ecp.view.spi.custom.model.ECPHardcodedReferences;
25: import org.eclipse.emf.ecp.view.spi.custom.model.VCustomDomainModelReference;
26: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
27: import org.eclipse.emfforms.spi.common.report.ReportService;
28: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
29: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedReport;
30: import org.eclipse.emfforms.spi.core.services.mappingprovider.EMFFormsMappingProvider;
31: import org.eclipse.emfforms.spi.core.services.mappingprovider.EMFFormsMappingProviderManager;
32: import org.eclipse.emfforms.spi.localization.LocalizationServiceHelper;
33: import org.osgi.framework.Bundle;
34: import org.osgi.framework.BundleContext;
35: import org.osgi.framework.ServiceReference;
36: import org.osgi.service.component.annotations.Activate;
37: import org.osgi.service.component.annotations.Component;
38: import org.osgi.service.component.annotations.Deactivate;
39: import org.osgi.service.component.annotations.Reference;
40:
41: /**
42: * An EMFFormsMappingProvider for {@link VCustomDomainModelReference}.
43: *
44: * @author Eugen Neufeld
45: * @since 1.9
46: *
47: */
48: @Component
49: public class CustomDMRMappingProvider implements EMFFormsMappingProvider {
50:
51: private BundleContext bundleContext;
52: private ServiceReference<EMFFormsMappingProviderManager> eMFFormsMappingProviderManagerServiceReference;
53: private EMFFormsMappingProviderManager mappingProviderManager;
54: private ReportService reportService;
55:
56: /**
57: * {@inheritDoc}
58: *
59: * @see org.eclipse.emfforms.spi.core.services.mappingprovider.EMFFormsMappingProvider#getMappingFor(org.eclipse.emf.ecp.view.spi.model.VDomainModelReference,
60: * org.eclipse.emf.ecore.EObject)
61: */
62: @Override
63: public Set<UniqueSetting> getMappingFor(VDomainModelReference domainModelReference, EObject domainObject) {
64:• if (domainModelReference == null) {
65: throw new IllegalArgumentException("The given VDomainModelReference must not be null."); //$NON-NLS-1$
66: }
67:• if (!VCustomDomainModelReference.class.isInstance(domainModelReference)) {
68: throw new IllegalArgumentException(
69: "DomainModelReference must be an instance of VTableDomainModelReference."); //$NON-NLS-1$
70: }
71:
72: final VCustomDomainModelReference customDomainModelReference = VCustomDomainModelReference.class
73: .cast(domainModelReference);
74:• if (!customDomainModelReference.getDomainModelReferences().isEmpty()) {
75: return getMappingFor(customDomainModelReference.getDomainModelReferences(), domainObject);
76: }
77: final ECPHardcodedReferences hardcodedReference;
78: try {
79: hardcodedReference = loadObject(customDomainModelReference.getBundleName(),
80: customDomainModelReference.getClassName());
81: } catch (final DatabindingFailedException ex) {
82: reportService.report(new DatabindingFailedReport(ex));
83: return Collections.<UniqueSetting> emptySet();
84: }
85:• if (hardcodedReference == null) {
86: reportService.report(new DatabindingFailedReport(new DatabindingFailedException(
87: String
88: .format(
89: "The provided ECPHardcodedReferences from Bundle %1$s Class %2$s cannot be resolved.", //$NON-NLS-1$
90: customDomainModelReference.getBundleName(), customDomainModelReference.getClassName()))));
91: return Collections.<UniqueSetting> emptySet();
92: }
93: final Set<VDomainModelReference> neededDomainModelReferences = hardcodedReference
94: .getNeededDomainModelReferences();
95:• if (neededDomainModelReferences.isEmpty()) {
96: reportService.report(new DatabindingFailedReport(new DatabindingFailedException(
97: String
98: .format(
99: "The provided ECPHardcodedReferences from Bundle %1$s Class %2$s doesn't define any DomainModelReferences.", //$NON-NLS-1$
100: customDomainModelReference.getBundleName(), customDomainModelReference.getClassName()))));
101: return Collections.<UniqueSetting> emptySet();
102: }
103: return getMappingFor(neededDomainModelReferences, domainObject);
104: }
105:
106: private Set<UniqueSetting> getMappingFor(Collection<VDomainModelReference> domainModelReferences,
107: EObject domainObject) {
108: final Set<UniqueSetting> result = new LinkedHashSet<UniqueSetting>();
109:• for (final VDomainModelReference domainModelReference : domainModelReferences) {
110: final Set<UniqueSetting> settingsFor = getEMFFormsMappingProviderManager()
111: .getAllSettingsFor(domainModelReference, domainObject);
112:• if (settingsFor != null) {
113: result.addAll(settingsFor);
114: }
115: }
116: return result;
117: }
118:
119: private static ECPHardcodedReferences loadObject(String bundleName, String clazz)
120: throws DatabindingFailedException {
121: final Bundle bundle = Platform.getBundle(bundleName);
122:• if (bundle == null) {
123: new ClassNotFoundException(String.format(LocalizationServiceHelper.getString(
124: VCustomDomainModelReferenceImpl.class, "BundleNotFound_ExceptionMessage"), clazz, bundleName)); //$NON-NLS-1$
125: return null;
126: }
127: try {
128: final Class<?> loadClass = bundle.loadClass(clazz);
129:• if (!ECPHardcodedReferences.class.isAssignableFrom(loadClass)) {
130: return null;
131: }
132: return ECPHardcodedReferences.class.cast(loadClass.newInstance());
133: } catch (final ClassNotFoundException ex) {
134: throw new DatabindingFailedException(ex.getMessage());
135: } catch (final InstantiationException ex) {
136: throw new DatabindingFailedException(ex.getMessage());
137: } catch (final IllegalAccessException ex) {
138: throw new DatabindingFailedException(ex.getMessage());
139: }
140:
141: }
142:
143: /**
144: * {@inheritDoc}
145: *
146: * @see org.eclipse.emfforms.spi.core.services.mappingprovider.EMFFormsMappingProvider#isApplicable(org.eclipse.emf.ecp.view.spi.model.VDomainModelReference,
147: * org.eclipse.emf.ecore.EObject)
148: */
149: @Override
150: public double isApplicable(VDomainModelReference domainModelReference, EObject domainObject) {
151:• if (VCustomDomainModelReference.class.isInstance(domainModelReference)) {
152: return 10;
153: }
154: return NOT_APPLICABLE;
155: }
156:
157: /**
158: * Called by the framework when the component gets activated.
159: *
160: * @param bundleContext The {@link BundleContext}
161: */
162: @Activate
163: protected void activate(BundleContext bundleContext) {
164: this.bundleContext = bundleContext;
165: }
166:
167: /**
168: * Called by the framework when the component gets deactivated.
169: *
170: * @param bundleContext The {@link BundleContext}
171: */
172: @Deactivate
173: protected void deactivate(BundleContext bundleContext) {
174:• if (eMFFormsMappingProviderManagerServiceReference != null) {
175: bundleContext.ungetService(eMFFormsMappingProviderManagerServiceReference);
176: mappingProviderManager = null;
177: }
178: }
179:
180: private EMFFormsMappingProviderManager getEMFFormsMappingProviderManager() {
181:• if (mappingProviderManager == null) {
182: eMFFormsMappingProviderManagerServiceReference = bundleContext
183: .getServiceReference(EMFFormsMappingProviderManager.class);
184:• if (eMFFormsMappingProviderManagerServiceReference == null) {
185: throw new IllegalStateException("No EMFFormsDomainExpander available!"); //$NON-NLS-1$
186: }
187: setEMFFormsMappingProviderManager(bundleContext.getService(eMFFormsMappingProviderManagerServiceReference));
188: }
189: return mappingProviderManager;
190: }
191:
192: /**
193: * Helper method for tests. This is quite ugly!
194: *
195: * @param mappingProviderManager The EMFFormsMappingProviderManager to use
196: */
197: void setEMFFormsMappingProviderManager(EMFFormsMappingProviderManager mappingProviderManager) {
198: this.mappingProviderManager = mappingProviderManager;
199: }
200:
201: /**
202: * Sets the {@link ReportService}.
203: *
204: * @param reportService The {@link ReportService}
205: */
206: @Reference(unbind = "-")
207: protected void setReportService(ReportService reportService) {
208: this.reportService = reportService;
209: }
210: }