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/*****************************************************************************
* Copyright (c) 2013, 2017 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
* Christian W. Damus (CEA) - bug 429242
*
*****************************************************************************/
package org.eclipse.papyrus.cdo.internal.core.importer;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.URIConverter;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.papyrus.cdo.core.importer.IModelTransferConfiguration;
import org.eclipse.papyrus.cdo.core.importer.IModelTransferNode;
import org.eclipse.papyrus.cdo.core.importer.IModelTransferOperation;
import org.eclipse.papyrus.cdo.internal.core.l10n.Messages;
import org.eclipse.papyrus.infra.core.resource.sasheditor.DiModel;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
/**
* This is the ModelTransferNode type. Enjoy.
*/
public class ModelTransferNode implements IModelTransferNode {
private final ModelTransferConfiguration config;
private Resource resource;
private String name;
private Set<Resource> components = Sets.newLinkedHashSet();
private Set<IModelTransferNode> dependencies = Sets.newLinkedHashSet();
private Set<IModelTransferNode> dependents = Sets.newLinkedHashSet();
public ModelTransferNode(ModelTransferConfiguration config, Resource resource) {
super();
this.config = config;
this.resource = resource;
}
void initialize(IModelTransferOperation.Context context) {
context.run(new IModelTransferOperation() {
@Override
public Diagnostic run(IProgressMonitor monitor) {
SubMonitor sub = SubMonitor.convert(monitor, Messages.ModelTransferNode_0, 2);
components.add(resource);
scanForComponents();
sub.worked(1);
scanForDependencies();
sub.worked(1);
sub.done();
return Diagnostic.OK_INSTANCE;
}
});
}
@Override
public String getName() {
if (name == null) {
URI uri = getPrimaryResourceURI();
String path = uri.path();
if (uri.isPlatformResource()) {
// trim the project segment
path = path.substring(("/" + uri.segment(0)).length()); //$NON-NLS-1$
} // else a file: URI's path does not include the device, so it's OK
this.name = path;
}
return name;
}
@Override
public IModelTransferConfiguration getConfiguration() {
return config;
}
Resource getPrimaryResource() {
return resource;
}
@Override
public URI getPrimaryResourceURI() {
return resource.getURI();
}
@Override
public Collection<URI> getResourceURIs() {
ImmutableSet.Builder<URI> result = ImmutableSet.builder();
for (Resource next : components) {
result.add(next.getURI());
}
return result.build();
}
@Override
public Collection<IModelTransferNode> getDependencies() {
return Collections.unmodifiableSet(dependencies);
}
@Override
public Collection<IModelTransferNode> getDependents() {
return Collections.unmodifiableSet(dependents);
}
void addDependent(IModelTransferNode node) {
dependents.add(node);
}
@Override
public int hashCode() {
return getPrimaryResourceURI().hashCode();
}
@Override
public boolean equals(Object obj) {
return (obj instanceof IModelTransferNode) && getPrimaryResourceURI().equals(((IModelTransferNode) obj).getPrimaryResourceURI());
}
@Override
public String toString() {
return String.format("ModelTransferNode(%s)", getName()); //$NON-NLS-1$
}
void scanForComponents() {
Resource self = getPrimaryResource();
for (Resource next : DependencyAdapter.getDependencies(self)) {
if (DependencyAdapter.getDIResource(next) == self) {
components.add(next);
}
}
}
void scanForDependencies() {
// for each component resource, find the external resources that it
// references and, for any that seems to have a primary resource, get
// its node
URIConverter converter = resource.getResourceSet().getURIConverter();
for (Resource component : components) {
for (Resource xref : DependencyAdapter.getDependencies(component)) {
URI primary = findPrimaryResource(xref.getURI(), converter);
if ((primary != null) && converter.exists(primary, null)) {
IModelTransferNode node = config.getNode(primary);
if ((node != null) && !node.equals(this)) {
dependencies.add(node);
}
}
}
}
}
private URI findPrimaryResource(URI componentURI, URIConverter converter) {
URI result = null;
URI candidate = componentURI.trimFileExtension().appendFileExtension(DiModel.DI_FILE_EXTENSION);
if (converter.exists(candidate, null)) {
result = candidate;
}
return result;
}
@Override
public boolean isModelParentUnit(IModelTransferNode other) {
boolean result = false;
out: for (URI childURI : getResourceURIs()) {
Resource child = config.getResourceSet().getResource(childURI, false);
if (child != null) {
for (EObject root : child.getContents()) {
EObject container = root.eContainer();
if (container != null) {
URI uri = EcoreUtil.getURI(container).trimFragment();
if (other.getResourceURIs().contains(uri)) {
// found the parent unit
result = true;
break out;
}
}
}
}
}
return result;
}
@Override
public boolean isModelSubUnit(IModelTransferNode other) {
boolean result = false;
out: for (URI uri : other.getResourceURIs()) {
Resource possibleChild = config.getResourceSet().getResource(uri, false);
if (possibleChild != null) {
for (EObject root : possibleChild.getContents()) {
EObject container = root.eContainer();
if (container != null) {
URI parentURI = EcoreUtil.getURI(container).trimFragment();
if (getResourceURIs().contains(parentURI)) {
// found a child unit
result = true;
break out;
}
}
}
}
}
return result;
}
}
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