/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2014 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* 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.syncany.cli;
import static java.util.Arrays.asList;
import java.util.List;
import java.util.logging.Logger;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import org.syncany.database.PartialFileHistory.FileHistoryId;
import org.syncany.operations.OperationResult;
import org.syncany.operations.restore.RestoreOperationOptions;
import org.syncany.operations.restore.RestoreOperationResult;
public class RestoreCommand extends Command {
protected static final Logger logger = Logger.getLogger(RestoreCommand.class.getSimpleName());
@Override
public CommandScope getRequiredCommandScope() {
return CommandScope.INITIALIZED_LOCALDIR;
}
@Override
public boolean canExecuteInDaemonScope() {
return true;
}
@Override
public int execute(String[] operationArgs) throws Exception {
RestoreOperationOptions operationOptions = parseOptions(operationArgs);
RestoreOperationResult operationResult = client.restore(operationOptions);
printResults(operationResult);
return 0;
}
@Override
public RestoreOperationOptions parseOptions(String[] operationArgs) throws Exception {
RestoreOperationOptions operationOptions = new RestoreOperationOptions();
OptionParser parser = new OptionParser();
parser.allowsUnrecognizedOptions();
OptionSpec<Integer> optionRevision = parser.acceptsAll(asList("r", "revision")).withRequiredArg().ofType(Integer.class);
OptionSpec<String> optionTarget = parser.acceptsAll(asList("t", "target")).withRequiredArg().ofType(String.class);
OptionSet options = parser.parse(operationArgs);
// --revision=<n>
if (options.has(optionRevision)) {
operationOptions.setFileVersion(options.valueOf(optionRevision));
}
// --target=<file>
if (options.has(optionTarget)) {
operationOptions.setRelativeTargetPath(options.valueOf(optionTarget));
}
// <file-history-id>
List<?> nonOptionArgs = options.nonOptionArguments();
if (nonOptionArgs.size() != 1) {
throw new Exception("Invalid Syntax: File history ID must be specified.");
}
FileHistoryId restoreFileHistory = FileHistoryId.parseFileId(nonOptionArgs.get(0).toString());
operationOptions.setFileHistoryId(restoreFileHistory);
return operationOptions;
}
@Override
public void printResults(OperationResult operationResult) {
RestoreOperationResult concreteOperationResult = (RestoreOperationResult) operationResult;
switch (concreteOperationResult.getResultCode()) {
case ACK:
out.println("File restored to " + concreteOperationResult.getTargetFile());
break;
case NACK_INVALID_FILE:
out.println("Could not restore file. File entry is present but invalid (Folder?).");
break;
case NACK_NO_FILE:
out.println("Could not restore file. No file by that ID or version found, or file ID prefix matches more than one file.");
break;
default:
throw new RuntimeException("Invalid result code: " + concreteOperationResult.getResultCode());
}
}
}