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package org.gnunet.ext;
import org.gnunet.util.RelativeTime;
import org.gnunet.util.Server;
import org.gnunet.util.Service;
import org.gnunet.util.getopt.Argument;
import org.gnunet.util.getopt.ArgumentAction;
import java.util.*;
/**
* Simple service that responds to greeting requests
* with a user-defined greeting.
*
* @author Florian Dold
*/
public class GreetingService {
public static void main(String... argv) {
new Service("greeting", RelativeTime.FOREVER, true) {
@Argument(
action = ArgumentAction.STORE_STRING,
argumentName = "GREETING_TEMPLATE",
description = "Template for the greeting, '%s' is substituted for the name!",
shortname = "g",
longname = "greeting")
String greetingTemplate = "Hello, %s";
@Override
public void run() {
final String bannedStr = getConfiguration().getValueString("greeting", "BANNED").or("");
final String banMessage = getConfiguration().getValueString("greeting", "BAN_MESSAGE").or("banned");
final List<String> banned;
if (bannedStr != null) {
banned = Arrays.asList(bannedStr.split(";"));
} else {
banned = Collections.emptyList();
}
getServer().setHandler(new Server.MessageRunabout() {
public void visit(GreetingRequestMessage rm) {
if (banned.contains(rm.name.trim())) {
GreetingBannedMessage m = new GreetingBannedMessage();
m.banText = banMessage == null ? "" : banMessage.replace("%s", rm.name);
getSender().transmitWhenReady(RelativeTime.FOREVER, m, null);
} else {
GreetingResponseMessage m = new GreetingResponseMessage();
m.greeting = greetingTemplate.replace("%s", rm.name);
getSender().transmitWhenReady(RelativeTime.FOREVER, m, null);
}
getSender().receiveDone(true );
}
});
}
}.start(argv);
}
}
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