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response4 fixed

By: ace on Feb 17th, 2010  |  syntax: None  |  size: 9.28 KB  |  hits: 7  |  expires: Never
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  1. import java.util.HashMap;
  2. import java.util.HashSet;
  3. import java.util.ArrayList;
  4. import java.util.Iterator;
  5. import java.util.Random;
  6. import java.util.Set;
  7. /**
  8.  * The responder class represents a response generator object.
  9.  * It is used to generate an automatic response, based on specified input.
  10.  * Input is presented to the responder as a set of words, and based on those
  11.  * words the responder will generate a String that represents the response.
  12.  *
  13.  * Internally, the reponder uses a HashMap to associate words with response
  14.  * strings and a list of default responses. If any of the input words is found
  15.  * in the HashMap, the corresponding response is returned. If none of the input
  16.  * words is recognized, one of the default responses is randomly chosen.
  17.  *
  18.  * @version    1.0
  19.  * @author     Michael Kolling and David J. Barnes
  20.  */
  21. public class Responder
  22. {
  23.     // Used to map key words to responses.
  24.     private HashMap<String, String> responseMap;
  25.     // Default responses to use if we don't recognise a word.
  26.     private ArrayList<String> defaultResponses;
  27.     private Random randomGenerator;
  28.     private HashMap<String, String> otherresponseMap;
  29.     /**
  30.      * Construct a Responder
  31.      */
  32.     public Responder()
  33.     {
  34.         responseMap = new HashMap<String, String>();
  35.         defaultResponses = new ArrayList<String>();
  36.         fillResponseMap();
  37.         fillDefaultResponses();
  38.         randomGenerator = new Random();
  39.         otherresponseMap = new HashMap<String, String>();
  40.         fillotherresponseMap();
  41.     }
  42.  
  43.  
  44. public String generateOtherResponse(ArrayList<String> words, String trueInput)
  45.             {    
  46.                     String response = null;
  47.                     HashSet<String>otherwords = new HashSet<String>(words);
  48.                     Iterator<String> otherwordsit = otherwords.iterator();
  49.                     while (otherwordsit.hasNext())
  50.                     {
  51.                         String word = otherwordsit.next();
  52.                         Set<String> otherkeys = otherresponseMap.keySet();
  53.                         for(String s : otherkeys)
  54.                         {
  55.                             if(word.contains(s))
  56.                             {
  57.                                 response = otherresponseMap.get(s);
  58.                             }
  59.                         }
  60.                         if(response != null)
  61.                         {
  62.                             return response;
  63.                         }
  64.                     }
  65.                     //if we get here, we didn't find an OtherResponse either.
  66.                     return pickDefaultResponse();
  67.                 }
  68.  
  69.  
  70.   public String generateResponse(ArrayList<String> words, String trueInput)
  71.     {
  72.             String response = null;
  73.             String query = trueInput;
  74.             System.out.println(query);
  75.             if (query.contains("are you a person?"))
  76.             {
  77.                 response = "Of course I am a person.";
  78.                 return response;
  79.             }
  80.            
  81.             if (query.contains ("macintosh") && query.contains ("expensive"))
  82.                 {
  83.                     response = "Yes macintoshes are expensive. Ha ha!";
  84.                     return response;
  85.                 }
  86.         HashSet<String> keywords = new HashSet<String>(words);
  87.         Iterator<String> keywordsit = keywords.iterator();
  88.         while(keywordsit.hasNext())
  89.         {
  90.             String word = keywordsit.next();
  91.             Set<String> keys = responseMap.keySet();
  92.             for(String s : keys)
  93.             {
  94.                 if(word.contains(s))
  95.                 {
  96.                     response = responseMap.get(s);
  97.                 }      
  98.             }
  99.             if(response != null)
  100.             {
  101.                 return response;
  102.             }
  103.         }
  104.         return generateOtherResponse(words, trueInput);
  105.     }
  106.  
  107.      
  108.     /**
  109.     /**
  110.      * Enter all the known keywords and their associated responses
  111.      * into our response map.
  112.      */
  113.     private void fillResponseMap()
  114.     {
  115.         responseMap.put("crash",
  116.                         "Well, it never crashes on our system. It must have something\n" +
  117.                         "to do with your system. Tell me more about your configuration.");
  118.         responseMap.put("crashes",
  119.                         "Well, it never crashes on our system. It must have something\n" +
  120.                         "to do with your system. Tell me more about your configuration.");
  121.         responseMap.put("slow",
  122.                         "I think this has to do with your hardware. Upgrading your processor\n" +
  123.                         "should solve all performance problems. Have you got a problem with\n" +
  124.                         "our software?");
  125.         responseMap.put("performance",
  126.                         "Performance was quite adequate in all our tests. Are you running\n" +
  127.                         "any other processes in the background?");
  128.         responseMap.put("bug",
  129.                         "Well, you know, all software has some bugs. But our software engineers\n" +
  130.                         "are working very hard to fix them. Can you describe the problem a bit\n" +
  131.                         "further?");
  132.         responseMap.put("buggy",
  133.                         "Well, you know, all software has some bugs. But our software engineers\n" +
  134.                         "are working very hard to fix them. Can you describe the problem a bit\n" +
  135.                         "further?");
  136.         responseMap.put("windows",
  137.                         "This is a known bug to do with the Windows operating system. Please\n" +
  138.                         "report it to Microsoft. There is nothing we can do about this.");
  139.         responseMap.put("macintosh",
  140.                         "This is a known bug to do with the Mac operating system. Please\n" +
  141.                         "report it to Apple. There is nothing we can do about this.");
  142.         responseMap.put("expensive",
  143.                         "The cost of our product is quite competitive. Have you looked around\n" +
  144.                         "and really compared our features?");
  145.         responseMap.put("installation",
  146.                         "The installation is really quite straight forward. We have tons of\n" +
  147.                         "wizards that do all the work for you. Have you read the installation\n" +
  148.                         "instructions?");
  149.         responseMap.put("memory",
  150.                         "If you read the system requirements carefully, you will see that the\n" +
  151.                         "specified memory requirements are 1.5 giga byte. You really should\n" +
  152.                         "upgrade your memory. Anything else you want to know?");
  153.         responseMap.put("linux",
  154.                         "We take Linux support very seriously. But there are some problems.\n" +
  155.                         "Most have to do with incompatible glibc versions. Can you be a bit\n" +
  156.                         "more precise?");
  157.         responseMap.put("bluej",
  158.                         "Ahhh, BlueJ, yes. We tried to buy out those guys long ago, but\n" +
  159.                         "they simply won't sell... Stubborn people they are. Nothing we can\n" +
  160.                         "do about it, I'm afraid.");
  161.          
  162.     }
  163.    
  164.     /**
  165.      * Enter other key words to otherwordresponseMap
  166.      */
  167.          private void fillotherresponseMap()
  168.          {
  169.    
  170.          otherresponseMap.put ("who",
  171.             "We blame Bill Gates!");
  172.          otherresponseMap.put ("what",
  173.             "Uninstall and then reinstall your operating system.\n" +
  174.             "Or switch to linux.  It is better anyway!");
  175.           otherresponseMap.put ("how",
  176.             "Call the geeksquad, they will help you out.");
  177.         }
  178.    
  179.     /**
  180.      * Build up a list of default responses from which we can pick one
  181.      * if we don't know what else to say.
  182.      */
  183.     private void fillDefaultResponses()
  184.     {
  185.         defaultResponses.add("That sounds odd. Could you describe that problem in more detail?");
  186.         defaultResponses.add("No other customer has ever complained about this before. \n" +
  187.                              "What is your system configuration?");
  188.         defaultResponses.add("That sounds interesting. Tell me more...");
  189.         defaultResponses.add("I need a bit more information on that.");
  190.         defaultResponses.add("Have you checked that you do not have a dll conflict?");
  191.         defaultResponses.add("That is explained in the manual. Have you read the manual?");
  192.         defaultResponses.add("Your description is a bit wishy-washy. Have you got an expert\n" +
  193.                              "there with you who could describe this more precisely?");
  194.         defaultResponses.add("That's not a bug, it's a feature!");
  195.         defaultResponses.add("Could you elaborate on that?");
  196.     }
  197.  
  198.     /**
  199.      * Randomly select and return one of the default responses.
  200.      * @return     A random default response
  201.      */
  202.     private String pickDefaultResponse()
  203.     {
  204.         // Pick a random number for the index in the default response list.
  205.         // The number will be between 0 (inclusive) and the size of the list (exclusive).
  206.         int index = randomGenerator.nextInt(defaultResponses.size());
  207.         return defaultResponses.get(index);
  208.     }
  209. }