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Package: ViewModelValidationDelegate$Provider
ViewModelValidationDelegate$Provider
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| ViewModelValidationDelegate.Provider() |
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| bid(IFile) |
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| createValidationDelegate() |
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| isViewModelResource(IFile) |
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| static {...} |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2019 Christian W. Damus 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: * Christian W. Damus - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emfforms.ide.internal.builder;
15:
16: import java.io.IOException;
17: import java.util.LinkedHashSet;
18: import java.util.Set;
19:
20: import org.eclipse.core.resources.IFile;
21: import org.eclipse.emf.common.notify.Notifier;
22: import org.eclipse.emf.common.notify.impl.AdapterImpl;
23: import org.eclipse.emf.common.util.URI;
24: import org.eclipse.emf.ecore.EObject;
25: import org.eclipse.emf.ecore.resource.Resource;
26: import org.eclipse.emf.ecore.resource.ResourceSet;
27: import org.eclipse.emf.ecore.util.EcoreUtil;
28: import org.eclipse.emf.ecp.ide.spi.util.EcoreHelper;
29: import org.eclipse.emf.ecp.ide.spi.util.ViewModelHelper;
30: import org.eclipse.emf.ecp.view.spi.model.VDomainModelReference;
31: import org.eclipse.emf.ecp.view.spi.model.VView;
32: import org.eclipse.emf.ecp.view.spi.model.VViewModelProperties;
33: import org.eclipse.emf.ecp.view.spi.model.util.ViewModelPropertiesHelper;
34: import org.eclipse.emfforms.bazaar.Bid;
35: import org.eclipse.emfforms.bazaar.Create;
36: import org.eclipse.emfforms.common.spi.validation.ValidationService;
37: import org.eclipse.emfforms.ide.builder.ValidationDelegate;
38: import org.eclipse.emfforms.ide.builder.ValidationDelegateProvider;
39: import org.eclipse.emfforms.ide.builder.ValidationServiceDelegate;
40: import org.osgi.service.component.annotations.Component;
41:
42: /**
43: * The validation delegate for view models.
44: */
45: public class ViewModelValidationDelegate extends ValidationServiceDelegate {
46:
47: /**
48: * Initializes me.
49: */
50: public ViewModelValidationDelegate() {
51: super();
52: }
53:
54: @Override
55: protected ResourceSet loadModel(IFile file) throws IOException {
56: ResourceSet result = null;
57:
58: final LinkedHashSet<String> ecores = new LinkedHashSet<String>();
59:
60: // load file thanks to ECP helpers to avoid missing Properties
61: final VView view = ViewModelHelper.loadView(file, ecores);
62:
63: final ViewAdapter adapter = new ViewAdapter(view, ecores);
64:
65: if (view == null) {
66: adapter.dispose();
67: } else {
68: view.eAdapters().add(adapter);
69:
70: // the ViewModelHelper forces file: scheme URI, which is bad
71: // for marker navigation
72: final Resource resource = view.eResource();
73: resource.setURI(URI.createPlatformResourceURI(file.getFullPath().toString(), true));
74:
75: result = resource.getResourceSet();
76: result.eAdapters().add(adapter);
77: }
78:
79: return result;
80: }
81:
82: @Override
83: protected EObject getModel(ResourceSet resourceSet) {
84: return ViewAdapter.getView(resourceSet);
85: }
86:
87: @Override
88: protected void configure(ValidationService validationService, ResourceSet resourceSet, EObject model) {
89: super.configure(validationService, resourceSet, model);
90:
91: final VView view = (VView) model;
92:
93: final VViewModelProperties properties = ViewModelPropertiesHelper.getInhertitedPropertiesOrEmpty(view);
94: view.setLoadingProperties(properties);
95:
96: validationService.addObjectFilter(this::skipValidation);
97: }
98:
99: private boolean skipValidation(EObject eObject) {
100: return VDomainModelReference.class.isInstance(eObject);
101: }
102:
103: //
104: // Nested types
105: //
106:
107: /**
108: * Implementation of the validation delegate provider for view model validation.
109: */
110: @Component
111: public static class Provider implements ValidationDelegateProvider {
112:
113: /** Standard bid (for view model files). */
114: private static final Double BID = 10.0;
115:
116: /** View model file extension. */
117: private static final String VIEW = "view"; //$NON-NLS-1$
118:
119: /**
120: * Bid on view model files.
121: *
122: * @param file a file
123: * @return a bid, if it is a view model file
124: */
125: @Bid
126: public Double bid(IFile file) {
127:• return isViewModelResource(file) ? BID : null;
128: }
129:
130: /**
131: * Create the view model validation delegate.
132: *
133: * @return the view model validation delegate
134: */
135: @Create
136: public ValidationDelegate createValidationDelegate() {
137: return new ViewModelValidationDelegate();
138: }
139:
140: private static boolean isViewModelResource(IFile resource) {
141: return VIEW.equals(resource.getFileExtension());
142: }
143:
144: }
145:
146: /**
147: * An adapter that just attaches the list of registered Ecore paths
148: * to the model to find after validation for deregistration.
149: */
150: private static final class ViewAdapter extends AdapterImpl {
151: private final Set<String> ecores;
152: private final VView view;
153:
154: ViewAdapter(VView view, Set<String> ecores) {
155: super();
156:
157: this.view = view;
158: this.ecores = ecores;
159: }
160:
161: @Override
162: public boolean isAdapterForType(Object type) {
163: return type == VView.class || type == ViewAdapter.class;
164: }
165:
166: @Override
167: public void unsetTarget(Notifier oldTarget) {
168: super.unsetTarget(oldTarget);
169:
170: dispose();
171: }
172:
173: VView getView() {
174: return view;
175: }
176:
177: void dispose() {
178: for (final String registeredEcore : ecores) {
179: EcoreHelper.unregisterEcore(registeredEcore);
180: }
181: ecores.clear();
182: }
183:
184: static VView getView(ResourceSet resourceSet) {
185: final ViewAdapter adapter = (ViewAdapter) EcoreUtil.getExistingAdapter(resourceSet, ViewAdapter.class);
186: return adapter == null ? null : adapter.getView();
187: }
188:
189: }
190:
191: }