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/*******************************************************************************
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* Copyright (C) 2008, Google Inc.
* Copyright (C) 2009, Mykola Nikishov <mn@mn.com.ua>
*
* 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.core.op;
import java.io.File;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.core.runtime.jobs.MultiRule;
import org.eclipse.egit.core.CoreText;
import org.eclipse.egit.core.GitProvider;
import org.eclipse.egit.core.internal.trace.GitTraceLocation;
import org.eclipse.egit.core.project.GitProjectData;
import org.eclipse.egit.core.project.RepositoryFinder;
import org.eclipse.egit.core.project.RepositoryMapping;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.RepositoryProvider;
/**
* Connects Eclipse to an existing Git repository
*/
public class ConnectProviderOperation implements IEGitOperation {
private final Map<IProject, File> projects = new HashMap<IProject, File>();
/**
* Create a new connection operation to execute within the workspace.
* <p>
* Uses <code>.git</code> as a default relative path to repository.
* @see #ConnectProviderOperation(IProject, File)
*
* @param proj
* the project to connect to the Git team provider.
*/
public ConnectProviderOperation(final IProject proj) {
this(proj, proj.getLocation().append(Constants.DOT_GIT).toFile());
}
/**
* Create a new connection operation to execute within the workspace.
*
* @param proj
* the project to connect to the Git team provider.
* @param pathToRepo
* absolute path to the repository
*/
public ConnectProviderOperation(final IProject proj, File pathToRepo) {
this.projects.put(proj, pathToRepo);
}
/**
* Create a new connection operation to execute within the workspace.
*
* @param projects
* the projects to connect to the Git team provider.
*/
public ConnectProviderOperation(final Map<IProject, File> projects) {
this.projects.putAll(projects);
}
/* (non-Javadoc)
* @see org.eclipse.egit.core.op.IEGitOperation#execute(org.eclipse.core.runtime.IProgressMonitor)
*/
public void execute(IProgressMonitor m) throws CoreException {
IProgressMonitor monitor;
if (m == null) {
monitor = new NullProgressMonitor();
} else {
monitor = m;
}
monitor.beginTask(CoreText.ConnectProviderOperation_connecting,
100 * projects.size());
try {
for (Iterator iterator = projects.keySet().iterator(); iterator.hasNext();) {
IProject project = (IProject) iterator.next();
monitor.setTaskName(NLS.bind(
CoreText.ConnectProviderOperation_ConnectingProject,
project.getName()));
// TODO is this the right location?
if (GitTraceLocation.CORE.isActive())
GitTraceLocation.getTrace().trace(
GitTraceLocation.CORE.getLocation(),
"Locating repository for " + project); //$NON-NLS-1$
Collection<RepositoryMapping> repos = new RepositoryFinder(
project).find(new SubProgressMonitor(monitor, 40));
File suggestedRepo = projects.get(project);
RepositoryMapping actualMapping= findActualRepository(repos, suggestedRepo);
if (actualMapping != null) {
GitProjectData projectData = new GitProjectData(project);
try {
projectData.setRepositoryMappings(Arrays.asList(actualMapping));
projectData.store();
} catch (CoreException ce) {
GitProjectData.delete(project);
throw ce;
} catch (RuntimeException ce) {
GitProjectData.delete(project);
throw ce;
}
RepositoryProvider
.map(project, GitProvider.class.getName());
projectData = GitProjectData.get(project);
project.refreshLocal(IResource.DEPTH_INFINITE,
new SubProgressMonitor(monitor, 50));
monitor.worked(10);
} else {
// TODO is this the right location?
if (GitTraceLocation.CORE.isActive())
GitTraceLocation.getTrace().trace(
GitTraceLocation.CORE.getLocation(),
"Attempted to share project without repository ignored :" //$NON-NLS-1$
+ project);
monitor.worked(60);
}
}
} finally {
monitor.done();
}
}
/* (non-Javadoc)
* @see org.eclipse.egit.core.op.IEGitOperation#getSchedulingRule()
*/
public ISchedulingRule getSchedulingRule() {
Set<IProject> projectSet = projects.keySet();
return new MultiRule(projectSet.toArray(new IProject[projectSet.size()]));
}
/**
* @param repos
* available repositories
* @param suggestedRepo
* relative path to git repository
* @return a repository mapping which corresponds to a suggested repository
* location, <code>null</code> otherwise
*/
private RepositoryMapping findActualRepository(
Collection<RepositoryMapping> repos, File suggestedRepo) {
for (RepositoryMapping rm : repos) {
if (rm.getGitDirAbsolutePath().equals(Path.fromOSString(suggestedRepo.getPath())))
return rm;
}
return null;
}
}
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