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Merge pull request #758 from eclipse-passage/573296
Bug 573296 - [Passage] rework EMF migration facilities
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45 changes: 45 additions & 0 deletions
45
.../org.eclipse.passage.lic.emf/src/org/eclipse/passage/lic/emf/resource/ExtractEObject.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2021 ArSysOp | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * https://www.eclipse.org/legal/epl-2.0/. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * ArSysOp - initial API and implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.passage.lic.emf.resource; | ||
|
|
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| import java.util.Optional; | ||
| import java.util.function.Function; | ||
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| import org.eclipse.emf.common.util.EList; | ||
| import org.eclipse.emf.ecore.EObject; | ||
| import org.eclipse.emf.ecore.resource.Resource; | ||
|
|
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| /** | ||
| * Extracts {@link EObject} from the given object | ||
| * | ||
| * @since 2.0 | ||
| * | ||
| */ | ||
| public final class ExtractEObject implements Function<Object, Optional<EObject>> { | ||
|
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| @Override | ||
| public Optional<EObject> apply(Object object) { | ||
| if (object instanceof EObject) { | ||
| return Optional.of((EObject) object); | ||
| } | ||
| if (object instanceof Resource) { | ||
| Resource resource = (Resource) object; | ||
| EList<EObject> contents = resource.getContents(); | ||
| if (!contents.isEmpty()) { | ||
| return Optional.of(contents.get(0)); | ||
| } | ||
| } | ||
| return Optional.empty(); | ||
| } | ||
|
|
||
| } |
41 changes: 41 additions & 0 deletions
41
...org.eclipse.passage.lic.emf/src/org/eclipse/passage/lic/emf/resource/ExtractResource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2021 ArSysOp | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * https://www.eclipse.org/legal/epl-2.0/. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * ArSysOp - initial API and implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.passage.lic.emf.resource; | ||
|
|
||
| import java.util.Optional; | ||
| import java.util.function.Function; | ||
|
|
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| import org.eclipse.emf.ecore.EObject; | ||
| import org.eclipse.emf.ecore.resource.Resource; | ||
|
|
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| /** | ||
| * Extracts {@link Resource} from the given object | ||
| * | ||
| * @since 2.0 | ||
| * | ||
| */ | ||
| public final class ExtractResource implements Function<Object, Optional<Resource>> { | ||
|
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| @Override | ||
| public Optional<Resource> apply(Object object) { | ||
| if (object instanceof EObject) { | ||
| EObject eObject = (EObject) object; | ||
| return Optional.ofNullable(eObject.eResource()); | ||
| } | ||
| if (object instanceof Resource) { | ||
| return Optional.of((Resource) object); | ||
| } | ||
| return Optional.empty(); | ||
| } | ||
|
|
||
| } |
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