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/*******************************************************************************
* Copyright (c) 2013 Atos
* 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:
* Arthur Daussy - initial implementation
*******************************************************************************/
package org.eclipse.papyrus.team.collaborative.strategy.security;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.edit.domain.EditingDomain;
//import org.eclipse.papyrus.infra.emf.readonly.IReadOnlyHandler;
import org.eclipse.papyrus.infra.core.resource.IReadOnlyHandler;
import org.eclipse.papyrus.infra.emf.readonly.AbstractReadOnlyHandler;
import org.eclipse.papyrus.team.collaborative.core.ICollaborativeManager;
import org.eclipse.papyrus.team.collaborative.core.IExtendedURI;
import org.eclipse.papyrus.team.collaborative.core.participants.locker.ILocker;
import org.eclipse.papyrus.team.collaborative.core.utils.CollabFunctionsFactory;
import org.eclipse.papyrus.team.collaborative.strategy.ui.actions.LockAction;
import com.google.common.base.Optional;
import com.google.common.collect.Collections2;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
/**
* The Class CollabReadOnlyHandler.
* This read only handler implement {@link IReadOnlyHandler} using the collaborative framework
*/
public class CollabReadOnlyHandler extends AbstractReadOnlyHandler {
public CollabReadOnlyHandler(EditingDomain editingDomain) {
super(editingDomain);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.readonly.IReadOnlyHandler#isReadOnly(org.eclipse.emf.common.util.URI[], org.eclipse.emf.edit.domain.EditingDomain)
*/
public Optional<Boolean> anyReadOnly(URI[] uris) {
if(uris != null && uris.length > 0 && getEditingDomain() != null) {
ArrayList<URI> urisList = Lists.newArrayList(uris);
Collection<IExtendedURI> extendedURICollection = Collections2.transform(urisList, CollabFunctionsFactory.getURIToExtendedURIWithContainment());
HashSet<IExtendedURI> extendURISet = Sets.newHashSet(extendedURICollection);
ResourceSet resourceSet = getEditingDomain().getResourceSet();
if(ICollaborativeManager.INSTANCE.isCollab(extendURISet, resourceSet)) {
ILocker locker;
locker = ICollaborativeManager.INSTANCE.getLocker(extendURISet, resourceSet);
if(locker == null) {
return Optional.absent();
}
for(IExtendedURI extendURI : locker.getExtendedSet()) {
if(!locker.isLocked(extendURI).isOK()) {
return Optional.of(true);
}
}
}
}
return Optional.absent();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.readonly.IReadOnlyHandler#enableWrite(org.eclipse.emf.common.util.URI[], org.eclipse.emf.edit.domain.EditingDomain)
*/
public Optional<Boolean> makeWritable(URI[] uris) {
ArrayList<URI> urisList = Lists.newArrayList(uris);
Collection<IExtendedURI> extendedURICollection = Collections2.transform(urisList, CollabFunctionsFactory.getURIToExtendedURIWithContainment());
HashSet<IExtendedURI> extendedURISet = Sets.newHashSet(extendedURICollection);
ResourceSet resourceSet = getEditingDomain().getResourceSet();
if(ICollaborativeManager.INSTANCE.isCollab(extendedURISet, resourceSet)) {
IStatus status = LockAction.doSafeLock(resourceSet, extendedURISet, true);
if(!status.isOK()) {
return Optional.absent();
}
return Optional.of(true);
}
return Optional.absent();
}
}
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