/**
* Copyright (C) 2005 - 2011 Eric Van Dewoestine
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.eclim.plugin.core.command.history;
import org.eclim.annotation.Command;
import org.eclim.command.CommandLine;
import org.eclim.command.Options;
import org.eclim.plugin.core.command.AbstractCommand;
import org.eclim.plugin.core.util.ProjectUtils;
import org.eclim.util.IOUtils;
import org.eclipse.core.internal.resources.File;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.team.core.history.IFileRevision;
import org.eclipse.team.internal.core.history.LocalFileHistory;
/**
* Command which outputs the contents of a specific revision.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "history_revision",
options =
"REQUIRED p project ARG," +
"REQUIRED f file ARG," +
"REQUIRED r revision ARG"
)
public class HistoryRevisionCommand
extends AbstractCommand
{
/**
* {@inheritDoc}
* @see org.eclim.command.Command#execute(CommandLine)
*/
public Object execute(CommandLine commandLine)
throws Exception
{
String project = commandLine.getValue(Options.PROJECT_OPTION);
String filename = commandLine.getValue(Options.FILE_OPTION);
long revision = commandLine.getLongValue(Options.REVISION_OPTION);
File file = (File)ProjectUtils.getFile(project, filename);
LocalFileHistory history = new LocalFileHistory(file, false);
history.refresh(new NullProgressMonitor());
IFileRevision[] revisions = history.getFileRevisions();
for(IFileRevision rev : revisions){
if (rev.getTimestamp() == revision){
return IOUtils.toString(
rev.getStorage(new NullProgressMonitor()).getContents());
}
}
return null;
}
}