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/*******************************************************************************
* Copyright (c) 2012 CEA LIST.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Nicolas Bros (Mia-Software) - Bug 375054 - Add validation warning for overlay on EClass
*******************************************************************************/
package org.eclipse.emf.facet.custom.sdk.core.internal.validation;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.facet.custom.metamodel.v0_2_0.custom.EClassCustomization;
import org.eclipse.emf.facet.efacet.metamodel.v0_2_0.efacet.DerivedTypedElement;
import org.eclipse.emf.facet.efacet.metamodel.v0_2_0.efacet.FacetOperation;
import org.eclipse.emf.validation.AbstractModelConstraint;
import org.eclipse.emf.validation.IValidationContext;
/**
* Creates a warning if a {@link FacetOperation} defined in an {@link EClassCustomization} overrides (i.e. customizes)
* an overlay operation.
*/
public class AvoidEClassOverlayConstraint extends AbstractModelConstraint {
private static final List<String> OVERLAY_OPS = Arrays.asList(
"platform:/plugin/org.eclipse.emf.facet.custom.ui/resources/customproperties.efacet#//CustomizedEObject/topLeftOverlay", //$NON-NLS-1$
"platform:/plugin/org.eclipse.emf.facet.custom.ui/resources/customproperties.efacet#//CustomizedEObject/topMiddleOverlay", //$NON-NLS-1$
"platform:/plugin/org.eclipse.emf.facet.custom.ui/resources/customproperties.efacet#//CustomizedEObject/topRightOverlay", //$NON-NLS-1$
"platform:/plugin/org.eclipse.emf.facet.custom.ui/resources/customproperties.efacet#//CustomizedEObject/bottomLeftOverlay", //$NON-NLS-1$
"platform:/plugin/org.eclipse.emf.facet.custom.ui/resources/customproperties.efacet#//CustomizedEObject/bottomMiddleOverlay", //$NON-NLS-1$
"platform:/plugin/org.eclipse.emf.facet.custom.ui/resources/customproperties.efacet#//CustomizedEObject/bottomRightOverlay" //$NON-NLS-1$
);
@Override
public IStatus validate(final IValidationContext ctx) {
IStatus result = ctx.createSuccessStatus();
final EObject target = ctx.getTarget();
if (target instanceof FacetOperation) {
final FacetOperation facetOperation = (FacetOperation) target;
final DerivedTypedElement override = facetOperation.getOverride();
final URI overrideURI = EcoreUtil.getURI(override);
if (facetOperation.eContainer() instanceof EClassCustomization
&& AvoidEClassOverlayConstraint.OVERLAY_OPS.contains(overrideURI.toString())) {
result = ctx.createFailureStatus();
}
}
return result;
}
}
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