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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
*
* 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
*
*****************************************************************************/
package org.eclipse.papyrus.views.search.scope;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.emf.common.util.URI;
import org.eclipse.papyrus.infra.core.resource.ModelMultiException;
import org.eclipse.papyrus.infra.core.resource.ModelSet;
import org.eclipse.papyrus.views.search.utils.ModelUtils;
/**
*
* Implements a visitor that goes through a hierarchy of Iresource from a root and collect only those that can be processed for search
*
*/
public class ResourceVisitor implements IResourceProxyVisitor {
private List<IResource> participants;
public ResourceVisitor() {
super();
this.participants = new ArrayList<IResource>();
}
public boolean visit(IResourceProxy proxy) throws CoreException {
switch(proxy.getType()) {
case IResource.FILE:
IResource resource = proxy.requestResource();
URI uri = URI.createPlatformResourceURI(resource.getFullPath().toString(), true);
if("di".equals(uri.fileExtension())) { //$NON-NLS-1$
//Verify that it is a true papyrus model
try {
ModelSet modelSet = ModelUtils.openFile(resource);
modelSet.unload();
participants.add(resource);
} catch (ModelMultiException e) {
}
}
break;
default:
break;
}
return true;
}
public List<IResource> getParticipants() {
return participants;
}
}
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