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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.core.mapping;
import java.util.*;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.resources.mapping.ResourceTraversal;
import org.eclipse.team.core.mapping.IResourceMappingScope;
import org.eclipse.team.core.mapping.PropertyChangeEvent;
import org.eclipse.team.core.mapping.provider.ScopeGenerator;
/**
* Concrete implementation of the {@link IResourceMappingScope}
* interface for use by clients.
* <p>
* This class is not intended to be subclasses by clients
*
* <p>
* <strong>EXPERIMENTAL</strong>. This class or interface has been added as
* part of a work in progress. There is a guarantee neither that this API will
* work nor that it will remain the same. Please do not use this API without
* consulting with the Platform/Team team.
* </p>
*
* @see org.eclipse.core.resources.mapping.ResourceMapping
*
* @since 3.2
*/
public class ResourceMappingScope extends AbstractResourceMappingScope {
private ResourceMapping[] inputMappings;
private final Map mappingsToTraversals = new HashMap();
private boolean hasAdditionalMappings;
private boolean hasAdditionalResources;
private final ScopeGenerator generator;
private final CompoundResourceTraversal compoundTraversal = new CompoundResourceTraversal();
public static ResourceTraversal[] combineTraversals(ResourceTraversal[] allTraversals) {
Set zero = new HashSet();
Set shallow = new HashSet();
Set deep = new HashSet();
for (int i = 0; i < allTraversals.length; i++) {
ResourceTraversal traversal = allTraversals[i];
switch (traversal.getDepth()) {
case IResource.DEPTH_ZERO:
zero.addAll(Arrays.asList(traversal.getResources()));
break;
case IResource.DEPTH_ONE:
shallow.addAll(Arrays.asList(traversal.getResources()));
break;
case IResource.DEPTH_INFINITE:
deep.addAll(Arrays.asList(traversal.getResources()));
break;
}
}
List result = new ArrayList();
if (!zero.isEmpty()) {
result.add(new ResourceTraversal((IResource[]) zero.toArray(new IResource[zero.size()]), IResource.DEPTH_ZERO, IResource.NONE));
}
if (!shallow.isEmpty()) {
result.add(new ResourceTraversal((IResource[]) shallow.toArray(new IResource[shallow.size()]), IResource.DEPTH_ONE, IResource.NONE));
}
if (!deep.isEmpty()) {
result.add(new ResourceTraversal((IResource[]) deep.toArray(new IResource[deep.size()]), IResource.DEPTH_INFINITE, IResource.NONE));
}
return (ResourceTraversal[]) result.toArray(new ResourceTraversal[result.size()]);
}
/**
* @param selectedMappings
*/
public ResourceMappingScope(ScopeGenerator generator, ResourceMapping[] selectedMappings) {
this.generator = generator;
inputMappings = selectedMappings;
}
/**
* Add the mapping and its traversals to the scope. This method should
* only be invoked during the scope building process.
* @param mapping the mapping being added to the scope
* @param traversals the traversals for that mapping
*/
public ResourceTraversal[] addMapping(ResourceMapping mapping, ResourceTraversal[] traversals) {
ResourceTraversal[] newTraversals = compoundTraversal.getUncoveredTraversals(traversals);
mappingsToTraversals.put(mapping, traversals);
compoundTraversal.addTraversals(traversals);
return newTraversals;
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.mapping.IResourceMappingOperationScope#getInputMappings()
*/
public ResourceMapping[] getInputMappings() {
return inputMappings;
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.mapping.IResourceMappingOperationScope#getMappings()
*/
public ResourceMapping[] getMappings() {
return (ResourceMapping[]) mappingsToTraversals.keySet().toArray(new ResourceMapping[mappingsToTraversals.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.mapping.IResourceMappingOperationScope#getTraversals()
*/
public ResourceTraversal[] getTraversals() {
return compoundTraversal.asTraversals();
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.mapping.IResourceMappingOperationScope#getTraversals(org.eclipse.core.resources.mapping.ResourceMapping)
*/
public ResourceTraversal[] getTraversals(ResourceMapping mapping) {
return (ResourceTraversal[])mappingsToTraversals.get(mapping);
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.mapping.IResourceMappingOperationScope#hasAdditionalMappings()
*/
public boolean hasAdditionalMappings() {
return hasAdditionalMappings;
}
/**
* Set whether the scope has additional mappings to the input mappings.
* This method should only be invoked during the scope building process.
* @param hasAdditionalMappings whether the scope has additional mappings
*/
public void setHasAdditionalMappings(boolean hasAdditionalMappings) {
this.hasAdditionalMappings = hasAdditionalMappings;
}
/**
* Set whether this scope has additional resources.
* This method should only be invoked during the scope building process.
* @param hasAdditionalResources whether the scope has additional resources
*/
public void setHasAdditionalResources(boolean hasAdditionalResources) {
this.hasAdditionalResources = hasAdditionalResources;
}
/* (non-Javadoc)
* @see org.eclipse.team.core.mapping.IResourceMappingScope#hasAdditonalResources()
*/
public boolean hasAdditonalResources() {
return hasAdditionalResources;
}
public ScopeGenerator getGenerator() {
return generator;
}
public void fireTraversalsChangedEvent(ResourceTraversal[] oldTraversals) {
firePropertyChangedEvent(new PropertyChangeEvent(this, IResourceMappingScope.TRAVERSALS, oldTraversals, getTraversals()));
}
public CompoundResourceTraversal getCompoundTraversal() {
return compoundTraversal;
}
public void fireMappingChangedEvent(ResourceMapping[] originalMappings) {
firePropertyChangedEvent(new PropertyChangeEvent(this, IResourceMappingScope.MAPPINGS, originalMappings, getMappings()));
}
}
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