/*
* Copyright (C) 2014 University of Dundee & Open Microscopy Environment.
* All rights reserved.
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package ome.formats.importer.transfers;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Local-only file transfer mechanism which makes use of soft-linking.
*
* This is only useful where the commands "ln -s source target" (Unix) or
* "mklink target source" (Windows) will work.
*
* @since 5.0
*/
public class SymlinkFileTransfer extends AbstractExecFileTransfer {
/**
* Executes "ln -s file location" (Unix) or "mklink location file" (Windows)
* and fails on non-0 return codes.
*
* @param file File to be copied.
* @param location Location to copy to.
* @throws IOException
*/
// TODO Java7: replace ln once Java6 is dropped
protected ProcessBuilder createProcessBuilder(File file, File location) {
ProcessBuilder pb = new ProcessBuilder();
List<String> args = new ArrayList<String>();
if (isWindows()) {
args.add("cmd");
args.add("/c");
args.add("mklink");
args.add(location.getAbsolutePath());
args.add(file.getAbsolutePath());
} else {
args.add("ln");
args.add("-s");
args.add(file.getAbsolutePath());
args.add(location.getAbsolutePath());
}
pb.command(args);
return pb;
}
/**
* No cleanup is needed for soft-linking.
*/
public void afterTransfer(int errors, List<String> srcFiles) {
// no-op
}
}