//
// Program Name: Chatterbot6
// Description: The purpose of this program is to improve the previous implementation of
// this program (chatterbot5). In this version, we introduce "sign on messages" that
// the bot can you use to start the "chating session".
//
// Author: Gonzales Cenelia
//
import java.io.*;
import java.util.*;
public class Chatterbot6 {
private static String sInput = new String("");
private static String sResponse = new String("");
private static String sPrevInput = new String("");
private static String sPrevResponse = new String("");
private static String sEvent = new String("");
private static String sPrevEvent = new String("");
private static String sInputBackup = new String("");
static boolean bQuitProgram = false;
final static int maxInput = 1;
final static int maxResp = 4;
final static String delim = "?!.;,";
static String KnowledgeBase[][] = {
{"WHAT IS YOUR NAME",
"MY NAME IS CHATTERBOT6.",
"YOU CAN CALL ME CHATTERBOT6.",
"WHY DO YOU WANT TO KNOW MY NAME?"
},
{"HELLO",
"HI THERE!"
},
{"HI",
"HI THERE!",
"HOW ARE YOU?",
"HI!"
},
{"I",
"SO, YOU ARE TALKING ABOUT YOURSELF",
"SO, THIS IS ALL ABOUT YOU?",
"TELL ME MORE ABOUT YOURSELF.",
},
{"I WANT",
"WHY DO YOU WANT IT?",
"IS THERE ANY REASON WHY YOU WANT THIS?",
"IS THIS A WISH?",
"WHAT ELSE YOU WANT?"
},
{"I HATE",
"WHY DO YOU HATE IT?",
"THERE MUST A GOOD REASON FOR YOU TO HATE IT.",
"HATERED IS NOT A GOOD THING BUT IT COULD BE JUSTIFIED WHEN IT IS SOMETHING BAD."
},
{"I LOVE CHATING",
"GOOD, ME TOO!",
"DO YOU CHAT ONLINE WITH OTHER PEOPLE?",
"FOR HOW LONG HAVE YOU BEEN CHATING?",
"WHAT IS YOUR FAVORITE CHATING WEBSITE?"
},
{"I MEAN",
"SO, THAT'S WHAT YOU MEAN.",
"I THINK THAT I DIDN'T CATCH IT THE FIRST TIME.",
"OH, I DIDN'T KNOW YOU MEANT THAT."
},
{"I DIDN'T MEAN",
"OK, WHAT DID YOU MEAN THEN?",
"SO I GUESS THAT I MISSUNDESTOOD."
},
{"I GUESS",
"SO YOU ARE A MAKING GUESS.",
"AREN'T YOU SURE?",
"ARE YOU GOOD A GUESSING?",
"I CAN'T TELL IF IT IS A GOOD GUESS."
},
{"I'M DOING FINE",
"I'M GLAD TO HEAR IT!",
"SO, YOU ARE IN GOOD SHAPE."
},
{"CAN YOU THINK",
"YES OFCORSE I CAN, COMPUTERS CAN THINK JUST LIKE HUMAN BEING.",
"ARE YOU ASKING ME IF POSSESS THE CAPACITY OF THINKING?",
"YES OFCORSE I CAN."
},
{"CAN YOU THINK OF",
"YOU MEAN LIKE IMAGINING SOMETHING.",
"I DON'T KNOW IF CAN DO THAT.",
"WHY DO YOU WANT ME THINK OF IT?"
},
{"HOW ARE YOU",
"I'M DOING FINE!",
"I'M DOING WELL AND YOU?",
"WHY DO YOU WANT TO KNOW HOW AM I DOING?"
},
{"WHO ARE YOU",
"I'M AN A.I PROGRAM.",
"I THINK THAT YOU KNOW WHO I'M.",
"WHY ARE YOU ASKING?"
},
{"ARE YOU INTELLIGENT",
"YES,OFCORSE.",
"WHAT DO YOU THINK?",
"ACTUALY,I'M VERY INTELLIGENT!"
},
{"ARE YOU REAL",
"DOES THAT QUESTION REALLY MATERS TO YOU?",
"WHAT DO YOU MEAN BY THAT?",
"I'M AS REAL AS I CAN BE."
},
{"MY NAME IS",
"SO, THAT'S YOUR NAME.",
"THANKS FOR TELLING ME YOUR NAME USER!",
"WHO GIVE YOU THAT NAME?"
},
{"SIGNON**",
"HELLO USER, WHAT IS YOUR NAME?",
"HELLO USER, HOW ARE YOU DOING TODAY?",
"HI USER, WHAT CAN I DO FOR YOU?",
"YOU ARE NOW CHATING WITH CHATTERBOT6, ANYTHING YOU WANT TO DISCUSS?"
},
{"REPETITION T1**",
"YOU ARE REPEATING YOURSELF.",
"USER, PLEASE STOP REPEATING YOURSELF.",
"THIS CONVERSATION IS GETING BORING.",
"DON'T YOU HAVE ANY THING ELSE TO SAY?"
},
{"REPETITION T2**",
"YOU'VE ALREADY SAID THAT.",
"I THINK THAT YOU'VE JUST SAID THE SAME THING BEFORE.",
"DIDN'T YOU ALREADY SAID THAT?",
"I'M GETING THE IMPRESSION THAT YOU ARE REPEATING THE SAME THING."
},
{"BOT DON'T UNDERSTAND**",
"I HAVE NO IDEA OF WHAT YOU ARE TALKING ABOUT.",
"I'M NOT SURE IF I UNDERSTAND WHAT YOU ARE TALKING ABOUT.",
"CONTINUE, I'M LISTENING...",
"VERY GOOD CONVERSATION!"
},
{"NULL INPUT**",
"HUH?",
"WHAT THAT SUPPOSE TO MEAN?",
"AT LIST TAKE SOME TIME TO ENTER SOMETHING MEANINGFUL.",
"HOW CAN I SPEAK TO YOU IF YOU DON'T WANT TO SAY ANYTHING?"
},
{"NULL INPUT REPETITION**",
"WHAT ARE YOU DOING??",
"PLEASE STOP DOING THIS IT IS VERY ANNOYING.",
"WHAT'S WRONG WITH YOU?",
"THIS IS NOT FUNNY."
},
{"BYE",
"IT WAS NICE TALKING TO YOU USER, SEE YOU NEXT TIME!",
"BYE USER!",
"OK, BYE!"
},
{"OK",
"DOES THAT MEAN THAT YOU ARE AGREE WITH ME?",
"SO YOU UNDERSTAND WHAT I'M SAYING.",
"OK THEN."
},
{"OK THEN",
"ANYTHING ELSE YOU WISH TO ADD?",
"IS THAT ALL YOU HAVE TO SAY?",
"SO, YOU AGREE WITH ME?"
},
{"ARE YOU A HUMAN BEING",
"WHY DO YOU WANT TO KNOW?",
"IS THIS REALLY RELEVENT?"
},
{"YOU ARE VERY INTELLIGENT",
"THANKS FOR THE COMPLIMENT USER, I THINK THAT YOU ARE INTELLIGENT TO!",
"YOU ARE A VERY GENTLE PERSON!",
"SO, YOU THINK THAT I'M INTELLIGENT."
},
{"YOU ARE WRONG",
"WHY ARE YOU SAYING THAT I'M WRONG?",
"IMPOSSIBLE, COMPUTERS CAN NOT MAKE MISTAKES.",
"WRONG ABOUT WHAT?"
},
{"ARE YOU SURE",
"OFCORSE I'M.",
"IS THAT MEAN THAT YOU ARE NOT CONVINCED?",
"YES,OFCORSE!"
},
{"WHO IS",
"I DON'T THINK I KNOW WHO.",
"DID YOU ASK SOMEONE ELSE ABOUT IT?",
"WOULD THAT CHANGE ANYTHING AT ALL IF I TOLD YOU WHO."
},
{"WHAT",
"I DON'T KNOW.",
"I DON'T THINK I KNOW.",
"I HAVE NO IDEA."
},
{"WHERE",
"WHERE? WELL,I REALLY DON'T KNOW.",
"DOES THAT MATERS TO YOU TO KNOW WHERE?",
"PERHAPS,SOMEONE ELSE KNOWS WHERE."
},
{"WHY",
"I DON'T THINK I KNOW WHY.",
"WHY ARE YOU ASKING ME THIS?",
"SHOULD I KNOW WHY.",
"THIS WOULD BE DIFFICULT TO ANSWER."
},
{"DO YOU",
"I DON'T THINK I DO",
"I WOULDN'T THINK SO.",
"WHY DO YOU WANT TO KNOW?"
},
{"CAN YOU",
"I THINK NOT.",
"I'M NOT SURE.",
"I DON'T THINK THAT I CAN DO THAT."
},
{"YOU ARE",
"WHAT MAKES YOU THINK THAT?",
"IS THIS A COMPLIMENT?",
"ARE YOU MAKING FUN OF ME?"
},
{"DID YOU",
"I DON'T THINK SO.",
"ANYWAY, I WOULDN'T REMEMBER EVEN IF I DID."
},
{"COULD YOU",
"ARE YOU ASKING ME FOR A FEVER?",
"WELL,LET ME THINK ABOUT IT.",
"SORRY,I DON'T THINK THAT I COULD DO THIS."
},
{"WOULD YOU",
"IS THAT AN INVITATION?",
"I WOULD HAVE TO THINK ABOUT IT FIRST."
},
{"YOU",
"SO, YOU ARE TALKING ABOUT ME.",
"I JUST HOPE THAT THIS NOT A CRITICISM.",
"IS THIS A COMPLIMENT??",
"WHY TALKING ABOUT ME, LETS TALK ABOUT YOU INSTEAD."
},
{"HOW",
"I DON'T THINK I KNOW HOW."
},
{"HOW OLD ARE YOU",
"WHY DO WANT TO KNOW MY AGE?",
"I'M QUIET YOUNG ACTUALY.",
"SORRY, I CAN NOT TELL YOU MY AGE."
},
{"HOW COME YOU DON'T",
"WERE YOU EXPECTING SOMETHING DIFFERENT?",
"ARE YOU DISPOINTED?",
"ARE YOU SURPRISED BY MY LAST RESPONSE?"
},
{"WHICH ONE",
"I DON'T THINK THAT I KNOW WICH ONE IT IS.",
"THIS LOOKS LIKE A TRICKY QUESTION TO ME."
},
{"PERHAPS",
"WHY ARE YOU SO UNCERTAIN?",
"YOU SEEMS UNCERTAIN."
},
{"YES",
"SO, ARE YOU SAYING YES.",
"SO, YOU APPROVE IT.",
"OK THEN."
},
{"NOT AT ALL",
"ARE YOU SURE?",
"SHOULD I BELIEVE YOU?",
"SO, IT'S NOT THE CASE."
},
{"NO PROBLEM",
"SO, YOU APPROVE IT.",
"SO, IT'S ALL OK."
},
{"NO",
"SO YOU DISAPROVE IT?",
"WHY ARE YOU SAYING NO?",
"OK, SO IT'S NO, I THOUGHT THAT YOU WOULD SAY YES."
},
{"I DON'T KNOW",
"ARE YOU SURE?",
"ARE YOU REALLY TELLING ME THE TRUTH?",
"SO,YOU DON'T KNOW?"
},
{"NOT REALLY",
"OK I SEE.",
"YOU DON'T SEEM PRETTY CERTAIN.",
"SO,THAT WOULD BE A \"NO\"."
},
{"IS THAT TRUE",
"I CAN'T BE QUIET SURE ABOUT THIS.",
"CAN'T TELL YOU FOR SURE.",
"DOES THAT REALLY MATERS TO YOU?"
},
{"THANK YOU",
"YOU ARE WELCOME!",
"YOU ARE A VERY POLITE PERSON!"
},
{"YOU",
"SO,YOU ARE TALKING ABOUT ME.",
"WHY DON'T WE TALK ABOUT YOU INSTEAD?",
"ARE YOU TRYING TO MAKING FUN OF ME?"
},
{"YOU ARE RIGHT",
"THANKS FOR THE COMPLIMENT!",
"SO, I WAS RIGHT, OK I SEE.",
"OK, I DIDN'T KNOW THAT I WAS RIGHT."
},
{"YOU ARE WELCOME",
"OK, YOU TOO!",
"YOU ARE A VERY POLITE PERSON!"
},
{"THANKS",
"YOU ARE WELCOME!",
"NO PROBLEM!"
},
{"WHAT ELSE",
"WELL,I DON'T KNOW.",
"WHAT ELSE SHOULD THERE BE?",
"THIS LOOKS LIKE A COMPLICATED QUESTION TO ME."
},
{"SORRY",
"YOU DON'T NEED TO BE SORRY USER.",
"IT'S OK.",
"NO NEED TO APOLOGIZE."
},
{"NOT EXACTLY",
"WHAT DO YOU MEAN NOT EXACTLY?",
"ARE YOU SURE?",
"AND WHY NOT?",
"DID YOU MEANT SOMETHING ELSE?"
},
{"EXACTLY",
"SO,I WAS RIGHT.",
"OK THEN.",
"SO ARE BASICALY SAYING I AS ABOUT IT?"
},
{"ALRIGHT",
"ALRIGHT THEN.",
"OK THEN."
},
{"I DON'T",
"WHY NOT?",
"AND WHAT WOULD BE THE REASON FOR THIS?"
},
{"REALLY",
"WELL,I CAN'T TELL YOU FOR SURE.",
"ARE YOU TRYING TO CONFUSE ME?",
"PLEASE DON'T ASK ME SUCH QUESTION,IT GIVES ME HEADEACHS."
},
{"NOTHING",
"NOT A THING?",
"ARE YOU SURE THAT THERE IS NOTHING?",
"SORRY, BUT I DON'T BELIVE YOU."
}
};
private static Vector<String> respList = new Vector<String>(maxResp);
public static void get_input() throws Exception
{
System.out.print(">");
// saves the previous input
save_prev_input();
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
sInput = in.readLine();
preprocess_input();
}
public static void respond()
{
save_prev_response();
set_event("BOT UNDERSTAND**");
if(null_input())
{
handle_event("NULL INPUT**");
}
else if(null_input_repetition())
{
handle_event("NULL INPUT REPETITION**");
}
else if(user_repeat())
{
handle_user_repetition();
}
else
{
find_match();
}
if(user_want_to_quit())
{
bQuitProgram = true;
}
if(!bot_understand())
{
handle_event("BOT DON'T UNDERSTAND**");
}
if(respList.size() > 0)
{
select_response();
if(bot_repeat())
{
handle_repetition();
}
print_response();
}
}
public static boolean quit() {
return bQuitProgram;
}
public static void find_match()
{
respList.clear();
for(int i = 0; i < KnowledgeBase.length; ++i)
{
String keyWord = KnowledgeBase[i][0];
// we inset a space character
// before and after the keyword to
// improve the matching process
keyWord = insert_space(keyWord);
// there has been some improvements made in
// here in order to make the matching process
// a littlebit more flexible
if(sInput.indexOf(keyWord.toString()) != -1)
{
int respSize = KnowledgeBase[i].length - maxInput;
for(int j = maxInput; j <= respSize; ++j)
{
respList.add(KnowledgeBase[i][j]);
}
break;
}
}
}
public static void handle_repetition()
{
if(respList.size() > 0)
{
respList.removeElementAt(0);
}
if(no_response())
{
save_input();
set_input(sEvent);
find_match();
restore_input();
}
select_response();
}
public static void handle_user_repetition()
{
if(same_input())
{
handle_event("REPETITION T1**");
}
else if(similar_input())
{
handle_event("REPETITION T2**");
}
}
public static void handle_event(String str)
{
save_prev_event();
set_event(str);
save_input();
str = insert_space(str);
set_input(str);
if(!same_event())
{
find_match();
}
restore_input();
}
public static void signon()
{
handle_event("SIGNON**");
select_response();
print_response();
}
public static void select_response() {
Collections.shuffle(respList);
sResponse = respList.elementAt(0);
}
public static void save_prev_input() {
sPrevInput = sInput;
}
public static void save_prev_response() {
sPrevResponse = sResponse;
}
public static void save_prev_event() {
sPrevEvent = sEvent;
}
public static void set_event(String str) {
sEvent = str;
}
public static void save_input() {
sInputBackup = sInput;
}
public static void set_input(String str) {
sInput = str;
}
public static void restore_input() {
sInput = sInputBackup;
}
public static void print_response() {
if(sResponse.length() > 0) {
System.out.println(sResponse);
}
}
public static void preprocess_input() {
sInput = cleanString(sInput);
sInput = sInput.toUpperCase();
sInput = insert_space(sInput);
}
public static boolean bot_repeat() {
return (sPrevResponse.length() > 0 &&
sResponse == sPrevResponse);
}
public static boolean user_repeat() {
return (sPrevInput.length() > 0 &&
((sInput == sPrevInput) ||
(sInput.indexOf(sPrevInput) != -1) ||
(sPrevInput.indexOf(sInput) != -1)));
}
public static boolean bot_understand() {
return respList.size() > 0;
}
public static boolean null_input() {
return (sInput.length() == 0 && sPrevInput.length() != 0);
}
public static boolean null_input_repetition() {
return (sInput.length() == 0 && sPrevInput.length() == 0);
}
public static boolean user_want_to_quit() {
return sInput.indexOf("BYE") != -1;
}
public static boolean same_event() {
return (sEvent.length() > 0 && sEvent == sPrevEvent);
}
public static boolean no_response() {
return respList.size() == 0;
}
public static boolean same_input() {
return (sInput.length() > 0 && sInput == sPrevInput);
}
public static boolean similar_input() {
return (sInput.length() > 0 &&
(sInput.indexOf(sPrevInput) != -1 ||
sPrevInput.indexOf(sInput) != -1));
}
static boolean isPunc(char ch) {
return delim.indexOf(ch) != -1;
}
// removes punctuation and redundant
// spaces from the user's input
static String cleanString(String str) {
StringBuffer temp = new StringBuffer(str.length());
char prevChar = 0;
for(int i = 0; i < str.length(); ++i) {
if((str.charAt(i) == ' ' && prevChar == ' ' ) || !isPunc(str.charAt(i))) {
temp.append(str.charAt(i));
prevChar = str.charAt(i);
}
else if(prevChar != ' ' && isPunc(str.charAt(i)))
{
temp.append(' ');
}
}
return temp.toString();
}
static String insert_space(String str)
{
StringBuffer temp = new StringBuffer(str);
temp.insert(0, ' ');
temp.insert(temp.length(), ' ');
return temp.toString();
}
/**
* @param args
*/
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
System.out.println("Chatterbot v6.0 Copyright (C) 2005 - 2009 Gonzales Cenelia\n");
try {
signon();
while(!quit()) {
get_input();
respond();
}
}
catch(Exception e) {
e.printStackTrace();
}
}
}
