/**
* Gets a reply to an input. Assumes that the input has already had all necessary substitutions
* and pre-processing performed, and that the input is a single sentence.
*
* @param input the input sentence
* @param that the input that value
* @param topic the input topic value
* @param userid the userid requesting the reply
* @param botid
* @return the reply to the input sentence
*/
private static String getReply(
String input, String that, String topic, String userid, String botid) {
// Push the input onto the <input/> stack.
PredicateMaster.push(INPUT, input, userid, botid);
// Create a new TemplateParser.
TemplateParser parser;
try {
parser = new TemplateParser(input, userid, botid);
} catch (TemplateParserException e) {
throw new DeveloperError(e);
}
String reply = null;
try {
reply = getMatchResult(input, that, topic, userid, botid, parser);
} catch (DeveloperError e) {
Log.devfail(e);
Log.devfail("Exiting due to developer error.", Log.ERROR);
System.exit(1);
} catch (UserError e) {
Log.userfail(e);
Log.devfail("Exiting due to user error.", Log.ERROR);
System.exit(1);
} catch (RuntimeException e) {
Log.devfail(e);
Log.devfail("Exiting due to unforeseen runtime exception.", Log.ERROR);
System.exit(1);
}
if (reply == null) {
Log.devfail("getMatchReply generated a null reply!", Log.ERROR);
System.exit(1);
}
// Push the reply onto the <that/> stack.
PredicateMaster.push(THAT, reply, userid, botid);
return Toolkit.filterWhitespace(reply);
}
