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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
* Eike Stepper (CEA) - bug 466520
*****************************************************************************/
package org.eclipse.papyrus.cdo.internal.core.importer;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;
import org.eclipse.core.runtime.IPath;
import org.eclipse.emf.cdo.explorer.checkouts.CDOCheckout;
import org.eclipse.emf.common.util.BasicDiagnostic;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.cdo.core.importer.IModelTransferConfiguration;
import org.eclipse.papyrus.cdo.core.importer.IModelTransferListener;
import org.eclipse.papyrus.cdo.core.importer.IModelTransferMapping;
import org.eclipse.papyrus.cdo.core.importer.IModelTransferMappingListener;
import org.eclipse.papyrus.cdo.core.importer.IModelTransferNode;
import org.eclipse.papyrus.cdo.core.importer.ModelTransferListenerAdapter;
import org.eclipse.papyrus.cdo.internal.core.Activator;
import org.eclipse.papyrus.cdo.internal.core.l10n.Messages;
import com.google.common.base.Objects;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
/**
* This is the AbstractModelTransferMapping type. Enjoy.
*/
public abstract class AbstractModelTransferMapping implements IModelTransferMapping {
private final IModelTransferConfiguration config;
private final Map<IModelTransferNode, IPath> mappings = Maps.newHashMap();
private CDOCheckout checkout;
private final CopyOnWriteArrayList<IModelTransferMappingListener> listeners = new CopyOnWriteArrayList<IModelTransferMappingListener>();
public AbstractModelTransferMapping(IModelTransferConfiguration config) {
super();
this.config = config;
config.addModelTransferListener(createConfigurationListener());
}
@Override
public IModelTransferConfiguration getConfiguration() {
return config;
}
@Override
public void mapTo(IModelTransferNode source, IPath path) {
if (!Objects.equal(getMapping(source), path)) {
mappings.put(source, path);
fireMappingChanged(source);
}
}
@Override
public IPath getMapping(IModelTransferNode node) {
return mappings.get(node);
}
@Override
public CDOCheckout getCheckout() {
return checkout;
}
@Override
public void setCheckout(CDOCheckout checkout) {
if (checkout != this.checkout) {
this.checkout = checkout;
fireCheckoutChanged();
}
}
@Override
public Diagnostic validate() {
BasicDiagnostic result = new BasicDiagnostic();
if (validateRepository(result)) {
for (IModelTransferNode node : getConfiguration().getModelsToTransfer()) {
validateMapping(node, result);
}
validateUniqueMappings(result);
}
fireProblemsEvent(result);
return result;
}
protected abstract boolean validateMapping(IModelTransferNode node, DiagnosticChain diagnostics);
protected void validateUniqueMappings(DiagnosticChain diagnostics) {
Set<IPath> paths = Sets.newHashSet();
for (IModelTransferNode next : getConfiguration().getModelsToTransfer()) {
IPath mapping = getMapping(next);
if ((mapping != null) && !paths.add(mapping)) {
diagnostics.add(new BasicDiagnostic(Diagnostic.ERROR, Activator.PLUGIN_ID, 0, NLS.bind(Messages.AbstractModelTransferMapping_0, mapping), new Object[] { next }));
break;
}
}
}
protected boolean validateRepository(DiagnosticChain diagnostics) {
boolean result = true;
if (getCheckout() == null) {
diagnostics.add(new BasicDiagnostic(Diagnostic.ERROR, Activator.PLUGIN_ID, 0, Messages.AbstractModelTransferMapping_1, null));
result = false;
} else if (!getCheckout().isOpen()) {
diagnostics.add(new BasicDiagnostic(Diagnostic.ERROR, Activator.PLUGIN_ID, 0, NLS.bind(Messages.AbstractModelTransferMapping_2, getCheckout().getLabel()), new Object[] { getCheckout() }));
result = false;
}
return result;
}
@Override
public void addModelTransferMappingListener(IModelTransferMappingListener listener) {
listeners.addIfAbsent(listener);
}
@Override
public void removeModelTransferMappingListener(IModelTransferMappingListener listener) {
listeners.remove(listener);
}
protected void fireProblemsEvent(Diagnostic problems) {
if (problems.getSeverity() > Diagnostic.OK) {
for (IModelTransferMappingListener next : listeners) {
try {
next.modelTransferMappingProblemsOccurred(problems);
} catch (Exception e) {
Activator.log.error("Uncaught exception in model transfer mapping listener.", e); //$NON-NLS-1$
}
}
}
}
protected void fireMappingChanged(IModelTransferNode node) {
for (IModelTransferMappingListener next : listeners) {
try {
next.modelTransferMappingChanged(node);
} catch (Exception e) {
Activator.log.error("Uncaught exception in model transfer mapping listener.", e); //$NON-NLS-1$
}
}
}
protected void fireCheckoutChanged() {
for (IModelTransferMappingListener next : listeners) {
try {
next.modelTransferRepositoryChanged(this);
} catch (Exception e) {
Activator.log.error("Uncaught exception in model transfer mapping listener.", e); //$NON-NLS-1$
}
}
}
private IModelTransferListener createConfigurationListener() {
return new ModelTransferListenerAdapter() {
@Override
public void modelsToTransferChanged(IModelTransferConfiguration configuration) {
computeDefaultMappings(configuration);
}
};
}
protected void computeDefaultMappings(IModelTransferConfiguration configuration) {
// pass
}
}
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