/**
* OpenKM, Open Document Management System (http://www.openkm.com)
* Copyright (c) 2006-2011 Paco Avila & Josep Llort
*
* No bytes were intentionally harmed during the development of this application.
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package com.openkm.util.eliza;
import java.io.IOException;
import java.io.InputStream;
/**
* @author pavila
* @author jwedekind
*/
public class Eliza {
protected String previousInput;
protected ElizaComments elizaComments;
public Eliza() throws IOException {
previousInput = "";
InputStream is = Eliza.class.getResourceAsStream("eliza.dat");
elizaComments = new ElizaComments(is);
is.close();
}
public Eliza(InputStream stream) throws IOException {
previousInput = "";
elizaComments = new ElizaComments(stream);
}
public String getGreetString() {
return "Hi. I'm Eliza. Tell me your problems!";
}
public String getSayGoodByeString() {
return "Bye Bye. It was interesting to talk with a lower intelligence.";
}
protected String getRepeatString() {
return "Please don't say it again!";
}
public String getResponse(String userInput) {
String cleanedInput = cleanInput(userInput);
String upperInput = userInput.toUpperCase();
String retVal;
if (upperInput.equals(previousInput)) {
retVal = getRepeatString();
} else {
previousInput = upperInput;
retVal = cleanOutput(elizaComments.getAnswer(cleanedInput));
}
return retVal;
}
protected static String cleanInput(String input) {
return Replace.all(Replace.all(Replace.all(Replace.all(Replace.all(
Replace.all(Replace.all(
Replace.all(" " + input + " ", "*", ""), "#", ""), ".",
""), "!", ""), "?", ""), ",", " # "), "#", " , "),
" ", " ");
}
protected static String cleanOutput(String output) {
return Replace.all(Replace.all(Replace.all(Replace.all(Replace.all(
output, " .", "."), " !", "!"), " ?", "?"), " ,", ","), " ",
" ");
}
}