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/*******************************************************************************
* Copyright (C) 2007, Robin Rosenberg <me@lathund.dewire.com>
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.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.core.internal;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.IdentityHashMap;
import java.util.Iterator;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.resources.IResourceVisitor;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.egit.core.Activator;
import org.eclipse.egit.core.CoreText;
import org.eclipse.egit.core.project.RepositoryMapping;
import org.eclipse.jgit.errors.NotSupportedException;
import org.eclipse.jgit.lib.GitIndex;
import org.eclipse.jgit.lib.GitIndex.Entry;
/**
* This job updates the index with the content of all specified
* and tracked resources. If a project is selected all tracked
* resources withing that container are updated.
*/
public class UpdateJob extends Job {
private final Collection rsrcList;
/**
* Construct an UpdateJob for the specified resources.
*
* @param rsrcList
*/
public UpdateJob(Collection rsrcList) {
super("Update index");
this.rsrcList = rsrcList;
setPriority(Job.LONG);
}
protected IStatus run(IProgressMonitor m) {
if (m == null) {
m = new NullProgressMonitor();
}
trace("running");
try {
final IdentityHashMap<RepositoryMapping, Boolean> tomerge = new IdentityHashMap<RepositoryMapping, Boolean>();
try {
final int[] count=new int[1];
long t0=System.currentTimeMillis();
for (Object obj : rsrcList) {
obj = ((IAdaptable)obj).getAdapter(IResource.class);
if (obj instanceof IContainer) {
((IContainer)obj).accept(new IResourceProxyVisitor() {
public boolean visit(IResourceProxy rp) throws CoreException {
if (rp.getType() == IResource.FILE) {
count[0]++;
}
return true;
}
}, IContainer.EXCLUDE_DERIVED);
} else if (obj instanceof IResource) {
count[0]++;
}
}
long t1=System.currentTimeMillis();
System.out.println("Counted "+count[0]+" items to update in "+(t1-t0)/1000.0+"s");
m.beginTask(CoreText.UpdateOperation_updating, count[0]);
final IProgressMonitor fm = m;
for (Object obj : rsrcList) {
if (obj instanceof IResource) {
final IResource r = (IResource)obj;
final RepositoryMapping rm = RepositoryMapping.getMapping(r);
final GitIndex index = rm.getRepository().getIndex();
tomerge.put(rm, Boolean.TRUE);
if (r instanceof IContainer) {
((IContainer)r).accept(new IResourceVisitor() {
public boolean visit(IResource resource) throws CoreException {
try {
if (resource.getType() == IResource.FILE) {
String path = rm.getRepoRelativePath(resource);
Entry entry = index.getEntry(path);
if (entry != null) {
entry.update(new File(rm.getWorkDir(),path));
}
fm.worked(1);
}
} catch (IOException e) {
e.printStackTrace();
throw Activator.error(CoreText.UpdateOperation_failed, e);
}
return true;
}
},IResource.DEPTH_INFINITE, IContainer.EXCLUDE_DERIVED);
} else {
String path = rm.getRepoRelativePath(r);
Entry entry = index.getEntry(path);
if (entry != null) {
entry.update(new File(rm.getWorkDir(),path));
}
m.worked(1);
}
}
}
for (RepositoryMapping rm : tomerge.keySet()) {
m.setTaskName("Writing index for "+rm.getRepository().getDirectory());
rm.getRepository().getIndex().write();
}
} catch (NotSupportedException e) {
return Activator.error(e.getMessage(),e).getStatus();
} catch (RuntimeException e) {
e.printStackTrace();
return Activator.error(CoreText.UpdateOperation_failed, e).getStatus();
} catch (IOException e) {
e.printStackTrace();
return Activator.error(CoreText.UpdateOperation_failed, e).getStatus();
} catch (CoreException e) {
e.printStackTrace();
return Activator.error(CoreText.UpdateOperation_failed, e).getStatus();
} finally {
try {
final Iterator i = tomerge.keySet().iterator();
while (i.hasNext()) {
final RepositoryMapping r = (RepositoryMapping) i.next();
r.getRepository().getIndex().read();
r.fireRepositoryChanged();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
m.done();
}
}
} finally {
trace("done");
m.done();
}
return Status.OK_STATUS;
}
private void trace(final String m) {
Activator.trace("(UpdateJob)"+m);
}
}
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