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/*******************************************************************************
* Copyright (C) 2010, Dariusz Luksza <dariusz@luksza.org>
*
* 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
*******************************************************************************/
package org.eclipse.egit.ui.internal.synchronize.model;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.egit.core.Activator;
import org.eclipse.egit.core.RevUtils;
import org.eclipse.egit.core.synchronize.dto.GitSynchronizeData;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.JGitInternalException;
import org.eclipse.jgit.api.NoHeadException;
import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.lib.AnyObjectId;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.ObjectWalk;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevCommitList;
import org.eclipse.jgit.revwalk.RevObject;
/**
* Representation of Git repository in Git ChangeSet model.
*/
public class GitModelRepository extends GitModelObject {
private final Repository repo;
private final ObjectId srcRev;
private final ObjectId dstRev;
private final IProject[] projects;
private GitModelObject[] childrens;
private IPath location;
/**
* @param data
* synchronization data
* @throws IOException
* @throws MissingObjectException
*/
public GitModelRepository(GitSynchronizeData data)
throws MissingObjectException, IOException {
super(null);
repo = data.getRepository();
Set<IProject> projectSet = data.getProjects();
projects = projectSet.toArray(new IProject[projectSet.size()]);
ObjectWalk ow = new ObjectWalk(repo);
ow.markStart(ow.parseAny(data.getSrcRev().getObjectId()));
srcRev = ow.next();
ow.reset();
ow.markStart(ow.parseAny(data.getDstRev().getObjectId()));
dstRev = ow.next();
}
@Override
public GitModelObject[] getChildren() {
if (childrens == null)
getChildrenImpl();
return childrens;
}
@Override
public String getName() {
return repo.getWorkTree().toString();
}
@Override
public IProject[] getProjects() {
return projects;
}
/**
* @return repository
*/
public Repository getRepository() {
return repo;
}
/**
* @return source {@link RevObject}
*/
public ObjectId getSrcRev() {
return srcRev;
}
/**
* @return destination {@link RevObject}
*/
public ObjectId getDstRev() {
return dstRev;
}
@Override
public IPath getLocation() {
if (location == null)
location = new Path(repo.getWorkTree().toString());
return location;
}
private void getChildrenImpl() {
List<GitModelCommit> result = new ArrayList<GitModelCommit>();
try {
RevCommit ancestorCommit = RevUtils.getCommonAncestor(repo, srcRev,
dstRev);
RevCommitList<RevCommit> commits = getRevCommits(ancestorCommit, dstRev);
commits.addAll(getRevCommits(ancestorCommit, srcRev));
for (RevCommit commit : commits)
result.add(new GitModelCommit(this, commit));
} catch (IOException e) {
Activator.logError(e.getMessage(), e);
}
childrens = result.toArray(new GitModelCommit[result.size()]);
}
private RevCommitList<RevCommit> getRevCommits(AnyObjectId since, AnyObjectId until) {
Git git = new Git(repo);
RevCommitList<RevCommit> result = new RevCommitList<RevCommit>();
try {
Iterable<RevCommit> call = git.log().addRange(since, until).call();
for (RevCommit commit : call)
result.add(commit);
} catch (NoHeadException e) {
Activator.logError(e.getMessage(), e);
} catch (JGitInternalException e) {
Activator.logError(e.getMessage(), e);
} catch (MissingObjectException e) {
Activator.logError(e.getMessage(), e);
} catch (IncorrectObjectTypeException e) {
Activator.logError(e.getMessage(), e);
}
return result;
}
}
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