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/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.operations;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.*;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
/**
* Utility class used to warp an set of resources in a resource mapper.
* The resulting mapper will return the workspace root as the model
* object.
*
* TODO: The ability to wrap multiple resources in a single mapping
* should be provided by the resources plugin.
*
* @since 3.1
*/
public final class WorkspaceResourceMapper extends ResourceMapping {
private final IResource resource;
private final int depth;
/**
* Convert the provided resources to one or more resource mappers
* that traverse the elements deeply. The model element of the resource
* mappers will be the workspace root.
* @param resources the resources
* @return a resource mappers that traverses the resources
*/
public static ResourceMapping[] asResourceMappers(final IResource[] resources, int depth) {
List<WorkspaceResourceMapper> result = new ArrayList<>();
for (int i = 0; i < resources.length; i++) {
IResource resource = resources[i];
result.add(new WorkspaceResourceMapper(resource, depth));
}
return result.toArray(new ResourceMapping[result.size()]);
}
public WorkspaceResourceMapper(IResource resource, int depth) {
this.resource = resource;
this.depth = depth;
}
@Override
public Object getModelObject() {
return resource;
}
@Override
public IProject[] getProjects() {
return new IProject[] { resource.getProject() };
}
@Override
public ResourceTraversal[] getTraversals(ResourceMappingContext context, IProgressMonitor monitor) throws CoreException {
return asTraversal(resource, depth, context);
}
private ResourceTraversal[] asTraversal(IResource resource, final int depth, ResourceMappingContext context) {
return new ResourceTraversal[] { new ResourceTraversal(new IResource[] { resource }, depth, IResource.NONE)} ;
}
@Override
public boolean contains(ResourceMapping mapping) {
return false;
}
@Override
public String getModelProviderId() {
return ModelProvider.RESOURCE_MODEL_PROVIDER_ID;
}
}
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