/*
* 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.regex.Matcher;
import java.util.regex.Pattern;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import org.syncany.operations.OperationResult;
import org.syncany.operations.watch.WatchOperationOptions;
public class WatchCommand extends Command {
public static final Pattern ANNOUNCEMENTS_PATTERN = Pattern.compile("([^:]+):(\\d+)");
public static final int ANNOUNCEMENTS_PATTERN_GROUP_HOST = 1;
public static final int ANNOUNCEMENTS_PATTERN_GROUP_PORT = 2;
@Override
public CommandScope getRequiredCommandScope() {
return CommandScope.INITIALIZED_LOCALDIR;
}
@Override
public boolean canExecuteInDaemonScope() {
return false;
}
@Override
public int execute(String[] operationArgs) throws Exception {
WatchOperationOptions operationOptions = parseOptions(operationArgs);
client.watch(operationOptions);
return 0;
}
@Override
public WatchOperationOptions parseOptions(String[] operationArgs) throws Exception {
WatchOperationOptions operationOptions = new WatchOperationOptions();
OptionParser parser = new OptionParser();
OptionSpec<Integer> optionInterval = parser.acceptsAll(asList("i", "interval")).withRequiredArg().ofType(Integer.class);
OptionSpec<Void> optionNoAnnouncements = parser.acceptsAll(asList("N", "no-announcements"));
OptionSpec<String> optionAnnouncements = parser.acceptsAll(asList("a", "announce")).withRequiredArg();
OptionSpec<Void> optionNoWatcher = parser.acceptsAll(asList("W", "no-watcher"));
OptionSpec<Integer> optionSettleDelay = parser.acceptsAll(asList("s", "delay")).withRequiredArg().ofType(Integer.class);
OptionSet options = parser.parse(operationArgs);
// --interval
if (options.has(optionInterval)) {
operationOptions.setInterval(options.valueOf(optionInterval)*1000);
}
// Conflicting options: --no-announcements and --announce=<..>
if (options.has(optionNoAnnouncements) && options.has(optionAnnouncements)) {
throw new Exception("Options --no-announcements and --announce in conflict with one another.");
}
// --no-announcements
if (options.has(optionNoAnnouncements)) {
operationOptions.setAnnouncements(false);
}
// --announce=<host>:<port>
if (options.has(optionAnnouncements)) {
operationOptions.setAnnouncements(true);
String announcementsStr = options.valueOf(optionAnnouncements);
Matcher matcher = ANNOUNCEMENTS_PATTERN.matcher(announcementsStr);
if (!matcher.matches()) {
throw new Exception("Invalid argument for --announcements, expected pattern: "+ANNOUNCEMENTS_PATTERN.pattern());
}
String announcementsHost = matcher.group(ANNOUNCEMENTS_PATTERN_GROUP_HOST);
int announcementsPort = Integer.parseInt(matcher.group(ANNOUNCEMENTS_PATTERN_GROUP_PORT));
operationOptions.setAnnouncementsHost(announcementsHost);
operationOptions.setAnnouncementsPort(announcementsPort);
}
// --delay=<sec>
if (options.has(optionSettleDelay)) {
operationOptions.setSettleDelay(options.valueOf(optionSettleDelay)*1000);
}
// --no-watcher
if (options.has(optionNoWatcher)) {
operationOptions.setWatcher(false);
}
return operationOptions;
}
@Override
public void printResults(OperationResult result) {
// Nothing.
}
}