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/*
* Copyright (c) 2014, 2015, 2017 Eike Stepper (Loehne, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.oomph.gitbash.revision;
import org.eclipse.oomph.gitbash.AbstractAction;
import org.eclipse.oomph.util.ObjectUtil;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevObject;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.team.ui.history.IHistoryView;
import org.eclipse.ui.IWorkbenchPart;
import java.io.File;
/**
* @author Eike Stepper
*/
public abstract class AbstractRevisionAction extends AbstractAction<RevObject>
{
public AbstractRevisionAction()
{
super(RevObject.class);
}
@Override
protected void run(Shell shell, RevObject revision) throws Exception
{
Repository repository = getRepository();
if (repository != null)
{
File workTree = repository.getWorkTree();
String id = revision.getId().name();
run(shell, workTree, id);
}
}
protected abstract void run(Shell shell, File workTree, String revision) throws Exception;
@SuppressWarnings({ "restriction", "rawtypes" })
private Repository getRepository()
{
Object input = getInput();
if (input == null)
{
return null;
}
if (input instanceof org.eclipse.egit.ui.internal.history.HistoryPageInput)
{
return ((org.eclipse.egit.ui.internal.history.HistoryPageInput)input).getRepository();
}
if (input instanceof org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNode)
{
return ((org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNode)input).getRepository();
}
if (input instanceof IResource)
{
org.eclipse.egit.core.project.RepositoryMapping mapping = org.eclipse.egit.core.project.RepositoryMapping.getMapping((IResource)input);
if (mapping != null)
{
return mapping.getRepository();
}
}
if (input instanceof IAdaptable)
{
IResource resource = ObjectUtil.adapt(input, IResource.class);
if (resource != null)
{
org.eclipse.egit.core.project.RepositoryMapping mapping = org.eclipse.egit.core.project.RepositoryMapping.getMapping(resource);
if (mapping != null)
{
return mapping.getRepository();
}
}
}
Repository repo = org.eclipse.egit.core.AdapterUtils.adapt(input, Repository.class);
if (repo != null)
{
return repo;
}
return null;
}
private Object getInput()
{
IWorkbenchPart part = getTargetPart();
if (part instanceof IHistoryView)
{
return ((IHistoryView)part).getHistoryPage().getInput();
}
return null;
}
}
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