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Package: CustomDMRConverter
CustomDMRConverter
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| CustomDMRConverter() |
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| activate(BundleContext) |
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| convertToListProperty(VDomainModelReference, EObject) |
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| convertToValueProperty(VDomainModelReference, EClass, EditingDomain) |
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| convertToValueProperty(VDomainModelReference, EObject) |
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| deactivate(BundleContext) |
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| getEMFFormsDatabindingEMF() |
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| getEditingDomain(EObject) |
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| getSetting(VDomainModelReference, EObject) |
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| isApplicable(VDomainModelReference) |
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| loadObject(String, String) |
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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.emf.ecp.view.spi.custom.model.impl;
15:
16: import java.util.Set;
17:
18: import org.eclipse.core.databinding.observable.IObserving;
19: import org.eclipse.core.databinding.observable.value.IObservableValue;
20: import org.eclipse.core.runtime.Platform;
21: import org.eclipse.emf.databinding.IEMFListProperty;
22: import org.eclipse.emf.databinding.IEMFValueProperty;
23: import org.eclipse.emf.ecore.EClass;
24: import org.eclipse.emf.ecore.EObject;
25: import org.eclipse.emf.ecore.EStructuralFeature;
26: import org.eclipse.emf.ecore.EStructuralFeature.Setting;
27: import org.eclipse.emf.ecore.InternalEObject;
28: import org.eclipse.emf.ecp.view.spi.custom.model.ECPHardcodedReferences;
29: import org.eclipse.emf.ecp.view.spi.custom.model.VCustomDomainModelReference;
30: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
31: import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
32: import org.eclipse.emf.edit.domain.EditingDomain;
33: import org.eclipse.emfforms.spi.core.services.databinding.DatabindingFailedException;
34: import org.eclipse.emfforms.spi.core.services.databinding.DomainModelReferenceConverter;
35: import org.eclipse.emfforms.spi.core.services.databinding.emf.DomainModelReferenceConverterEMF;
36: import org.eclipse.emfforms.spi.core.services.databinding.emf.EMFFormsDatabindingEMF;
37: import org.eclipse.emfforms.spi.localization.LocalizationServiceHelper;
38: import org.osgi.framework.Bundle;
39: import org.osgi.framework.BundleContext;
40: import org.osgi.framework.ServiceReference;
41: import org.osgi.service.component.annotations.Activate;
42: import org.osgi.service.component.annotations.Component;
43: import org.osgi.service.component.annotations.Deactivate;
44:
45: /**
46: * DomainModelReferenceConverter for CustomDomainModelReferences.
47: *
48: * @author Eugen Neufeld
49: * @since 1.6
50: *
51: */
52: @Component(service = { DomainModelReferenceConverterEMF.class, DomainModelReferenceConverter.class })
53: public class CustomDMRConverter implements DomainModelReferenceConverterEMF {
54: private EMFFormsDatabindingEMF emfFormsDatabinding;
55: private ServiceReference<EMFFormsDatabindingEMF> databindingServiceReference;
56: private BundleContext bundleContext;
57:
58: /**
59: * This method is called by the OSGI framework when this {@link DomainModelReferenceConverterEMF} is activated. It
60: * retrieves the {@link EMFFormsDatabindingEMF EMF Forms databinding service}.
61: *
62: * @param bundleContext The {@link BundleContext} of this classes bundle.
63: */
64: @Activate
65: protected final void activate(BundleContext bundleContext) {
66: this.bundleContext = bundleContext;
67: }
68:
69: /**
70: * This method is called by the OSGI framework when this {@link DomainModelReferenceConverterEMF} is deactivated.
71: * It frees the {@link EMFFormsDatabindingEMF EMF Forms databinding service}.
72: *
73: * @param bundleContext The {@link BundleContext} of this classes bundle.
74: */
75: @Deactivate
76: protected final void deactivate(BundleContext bundleContext) {
77:• if (databindingServiceReference != null) {
78: bundleContext.ungetService(databindingServiceReference);
79: emfFormsDatabinding = null;
80: }
81: }
82:
83: private EMFFormsDatabindingEMF getEMFFormsDatabindingEMF() {
84:• if (emfFormsDatabinding == null) {
85: databindingServiceReference = bundleContext.getServiceReference(EMFFormsDatabindingEMF.class);
86:• if (databindingServiceReference == null) {
87: throw new IllegalStateException("No EMFFormsDatabindingEMF available!"); //$NON-NLS-1$
88: }
89: emfFormsDatabinding = bundleContext.getService(databindingServiceReference);
90: }
91: return emfFormsDatabinding;
92: }
93:
94: @Override
95: public double isApplicable(VDomainModelReference domainModelReference) {
96:• if (VCustomDomainModelReference.class.isInstance(domainModelReference)) {
97: return 5;
98: }
99: return NOT_APPLICABLE;
100: }
101:
102: @Override
103: public IEMFValueProperty convertToValueProperty(VDomainModelReference domainModelReference, EObject object)
104: throws DatabindingFailedException {
105:• if (object == null) {
106: return convertToValueProperty(domainModelReference, null, null);
107: }
108: return convertToValueProperty(domainModelReference, object.eClass(), getEditingDomain(object));
109: }
110:
111: private EditingDomain getEditingDomain(EObject object) throws DatabindingFailedException {
112: return AdapterFactoryEditingDomain.getEditingDomainFor(object);
113: }
114:
115: @Override
116: public IEMFValueProperty convertToValueProperty(VDomainModelReference domainModelReference, EClass rootEClass,
117: EditingDomain editingDomain) throws DatabindingFailedException {
118:• if (domainModelReference == null) {
119: throw new IllegalArgumentException("The given VDomainModelReference must not be null."); //$NON-NLS-1$
120: }
121:• if (!VCustomDomainModelReference.class.isInstance(domainModelReference)) {
122: throw new IllegalArgumentException(
123: "DomainModelReference must be an instance of VTableDomainModelReference."); //$NON-NLS-1$
124: }
125:
126: final VCustomDomainModelReference tableDomainModelReference = VCustomDomainModelReference.class
127: .cast(domainModelReference);
128:• if (!tableDomainModelReference.getDomainModelReferences().isEmpty()) {
129: final VDomainModelReference nextDmr = tableDomainModelReference.getDomainModelReferences().iterator()
130: .next();
131:• if (rootEClass == null) {
132: return getEMFFormsDatabindingEMF().getValueProperty(nextDmr, (EObject) null);
133: }
134: return getEMFFormsDatabindingEMF().getValueProperty(nextDmr, rootEClass, editingDomain);
135: }
136: final ECPHardcodedReferences customControl = loadObject(tableDomainModelReference.getBundleName(),
137: tableDomainModelReference.getClassName());
138:• if (customControl == null) {
139: throw new DatabindingFailedException(
140: String
141: .format(
142: "The provided ECPHardcodedReferences from Bundle %1$s Class %2$s cannot be resolved.", //$NON-NLS-1$
143: tableDomainModelReference.getBundleName(), tableDomainModelReference.getClassName()));
144: }
145: final Set<VDomainModelReference> neededDomainModelReferences = customControl.getNeededDomainModelReferences();
146:• if (neededDomainModelReferences.isEmpty()) {
147: throw new DatabindingFailedException(
148: String
149: .format(
150: "The provided ECPHardcodedReferences from Bundle %1$s Class %2$s doesn't define any DomainModelReferences.", //$NON-NLS-1$
151: tableDomainModelReference.getBundleName(), tableDomainModelReference.getClassName()));
152: }
153: final VDomainModelReference nextNeededDmr = neededDomainModelReferences.iterator().next();
154:• if (rootEClass == null) {
155: return getEMFFormsDatabindingEMF().getValueProperty(nextNeededDmr, (EObject) null);
156: }
157: return getEMFFormsDatabindingEMF().getValueProperty(nextNeededDmr, rootEClass, editingDomain);
158: }
159:
160: private static ECPHardcodedReferences loadObject(String bundleName, String clazz)
161: throws DatabindingFailedException {
162: final Bundle bundle = Platform.getBundle(bundleName);
163:• if (bundle == null) {
164: new ClassNotFoundException(String.format(LocalizationServiceHelper.getString(
165: VCustomDomainModelReferenceImpl.class, "BundleNotFound_ExceptionMessage"), clazz, bundleName)); //$NON-NLS-1$
166: return null;
167: }
168: try {
169: final Class<?> loadClass = bundle.loadClass(clazz);
170:• if (!ECPHardcodedReferences.class.isAssignableFrom(loadClass)) {
171: return null;
172: }
173: return ECPHardcodedReferences.class.cast(loadClass.newInstance());
174: } catch (final ClassNotFoundException ex) {
175: throw new DatabindingFailedException(ex.getMessage());
176: } catch (final InstantiationException ex) {
177: throw new DatabindingFailedException(ex.getMessage());
178: } catch (final IllegalAccessException ex) {
179: throw new DatabindingFailedException(ex.getMessage());
180: }
181:
182: }
183:
184: @Override
185: public IEMFListProperty convertToListProperty(VDomainModelReference domainModelReference, EObject object)
186: throws DatabindingFailedException {
187:• if (domainModelReference == null) {
188: throw new IllegalArgumentException("The given VDomainModelReference must not be null."); //$NON-NLS-1$
189: }
190:• if (!VCustomDomainModelReference.class.isInstance(domainModelReference)) {
191: throw new IllegalArgumentException(
192: "DomainModelReference must be an instance of VTableDomainModelReference."); //$NON-NLS-1$
193: }
194:
195: final VCustomDomainModelReference tableDomainModelReference = VCustomDomainModelReference.class
196: .cast(domainModelReference);
197: final ECPHardcodedReferences customControl = loadObject(tableDomainModelReference.getBundleName(),
198: tableDomainModelReference.getClassName());
199:• if (customControl == null) {
200: throw new DatabindingFailedException(
201: String
202: .format(
203: "The provided ECPHardcodedReferences from Bundle %1$s Class %2$s cannot be resolved.", //$NON-NLS-1$
204: tableDomainModelReference.getBundleName(), tableDomainModelReference.getClassName()));
205: }
206: final Set<VDomainModelReference> neededDomainModelReferences = customControl.getNeededDomainModelReferences();
207:• if (neededDomainModelReferences.isEmpty()) {
208: throw new DatabindingFailedException(
209: String
210: .format(
211: "The provided ECPHardcodedReferences from Bundle %1$s Class %2$s doesn't define any DomainModelReferences.", //$NON-NLS-1$
212: tableDomainModelReference.getBundleName(), tableDomainModelReference.getClassName()));
213: }
214: return getEMFFormsDatabindingEMF().getListProperty(neededDomainModelReferences.iterator().next(), object);
215: }
216:
217: @Override
218: public Setting getSetting(VDomainModelReference domainModelReference, EObject object)
219: throws DatabindingFailedException {
220: final IEMFValueProperty valueProperty = convertToValueProperty(domainModelReference, object);
221: final IObservableValue observableValue = valueProperty.observe(object);
222: final EObject eObject = (EObject) IObserving.class.cast(observableValue).getObserved();
223: final EStructuralFeature eStructuralFeature = valueProperty.getStructuralFeature();
224: return InternalEObject.class.cast(eObject).eSetting(eStructuralFeature);
225: }
226:
227: }