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/*****************************************************************************
* Copyright (c) 2013 CEA LIST and others.
*
* 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:
* CEA LIST - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.cdo.uml.search.internal.ui.scope;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.eresource.CDOResourceFolder;
import org.eclipse.emf.cdo.eresource.CDOResourceNode;
import org.eclipse.emf.cdo.util.CDOURIUtil;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.cdo.internal.core.CDOUtils;
import org.eclipse.papyrus.cdo.internal.core.IInternalPapyrusRepository;
import org.eclipse.papyrus.cdo.internal.core.PapyrusRepositoryManager;
import org.eclipse.papyrus.views.search.scope.IScopeProvider;
import org.eclipse.uml2.uml.resource.UMLResource;
import com.google.common.collect.Lists;
/**
* A scope provider for CDO model repositories.
*/
public class CDOScopeProvider implements IScopeProvider {
public CDOScopeProvider() {
super();
}
/**
* Gets the URIs of the root resource (implying the repository in its entirety) of all repositories that are currently connected.
*/
@Override
public Collection<URI> getScope() {
Collection<URI> result;
final Collection<? extends IInternalPapyrusRepository> repos = PapyrusRepositoryManager.INSTANCE.getRepositories();
if(repos.isEmpty()) {
result = Collections.emptyList();
} else {
result = Lists.newArrayListWithCapacity(repos.size());
for(IInternalPapyrusRepository next : repos) {
if(next.isConnected()) {
CDOView view = next.getMasterView();
if(view != null) {
result.add(view.getRootResource().getURI());
}
}
}
}
return result;
}
@Override
public Collection<URI> getScope(Object selected) {
Collection<URI> result;
// try to get the contextual resource node
CDOResourceNode node = CDOUtils.adapt(selected, CDOResourceNode.class);
if(node == null) {
EObject obj = CDOUtils.adapt(selected, EObject.class);
if(obj != null) {
node = CDOUtils.adapt(obj.eResource(), CDOResource.class);
}
}
if(node == null) {
result = Collections.emptyList();
} else {
URI uri = node.getURI();
if(!node.isRoot() && (node instanceof CDOResource)) {
// ensure that we search the UML resource, not the notation or di
uri = uri.trimFileExtension().appendFileExtension(UMLResource.FILE_EXTENSION);
if(!uri.equals(node.getURI())) {
// does the UML resource exist? If not, don't try to search it
String path = CDOURIUtil.extractResourcePath(uri);
if(!node.cdoView().hasResource(path)) {
uri = null;
}
}
} else if((node instanceof CDOResourceFolder) && !uri.hasTrailingPathSeparator()) {
uri = uri.appendSegment(""); //$NON-NLS-1$
}
result = (uri == null) ? Collections.<URI> emptyList() : Collections.singletonList(uri);
}
return result;
}
}
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