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/*******************************************************************************
* Copyright (c) 2010 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
* Dariusz Luksza <dariusz@luksza.org>
*******************************************************************************/
package org.eclipse.egit.core.synchronize;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.egit.core.CoreText;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevTree;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.eclipse.jgit.treewalk.filter.PathFilter;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.variants.IResourceVariant;
/**
*
*/
public class GitFolderResourceVariant extends GitResourceVariant {
private TreeWalk tw;
private IResourceVariant members[];
GitFolderResourceVariant(Repository repo, RevCommit revCommit, String path)
throws IOException {
super(repo, revCommit, path);
}
public boolean isContainer() {
return true;
}
public IStorage getStorage(IProgressMonitor monitor) throws TeamException {
return null;
}
public byte[] asBytes() {
return getName().getBytes();
}
/**
* @param progress
* @return members
* @throws IOException
*/
public IResourceVariant[] getMembers(IProgressMonitor progress)
throws IOException {
if (members != null)
try {
return members;
} finally {
progress.done();
}
IProgressMonitor monitor = SubMonitor.convert(progress);
monitor.beginTask(
NLS.bind(CoreText.GitFolderResourceVariant_fetchingMembers, this),
tw.getTreeCount());
Repository repo = getRepository();
List<IResourceVariant> result = new ArrayList<IResourceVariant>();
try {
while (tw.next()) {
String path = getPath() + "/" + new String(tw.getRawPath()); //$NON-NLS-1$
if (tw.isSubtree())
result.add(new GitFolderResourceVariant(repo, getRevCommit(),
path));
else
result.add(new GitBlobResourceVariant(repo, getRevCommit(),
path));
monitor.worked(1);
}
members = result.toArray(new IResourceVariant[result.size()]);
return members;
} finally {
monitor.done();
}
}
@Override
protected TreeWalk getTreeWalk(Repository repo, RevTree revTree, String path)
throws IOException {
tw = new TreeWalk(repo);
tw.reset();
tw.addTree(revTree);
tw.setFilter(PathFilter.create(path));
while (tw.next() && !path.equals(tw.getPathString()))
if (tw.isSubtree())
tw.enterSubtree();
return tw;
}
}
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