Pileus Git - ~andy/spades/blob - src/org/pileus/spades/Message.java

   1 package org.pileus.spades;
   2
   3 import java.util.Date;
   4 import java.util.regex.Pattern;
   5 import java.util.regex.Matcher;
   6
   7 public class Message
   8 {
   9         /* Enumerations */
  10         enum Type {
  11                 OTHER,    // Unknown message type
  12                 PRIVMSG,  // Private message
  13                 TOPIC,    // Display current topic
  14                 NAMES,    // Display user names
  15                 ERROR,    // Error message from server
  16                 CAP,      // Server capabilities
  17                 AUTH,     // Authentication message
  18                 AUTHOK,   // Authentication succeeded
  19                 AUTHFAIL, // Authentication failed
  20         };
  21
  22         enum How {
  23                 OTHER,    // Unknown message type
  24                 CHANNEL,  // Normal message to a channel
  25                 MENTION,  // User was mentioned in message text
  26                 DIRECT,   // Message directed towards user
  27                 PRIVMSG,  // Private message to user only
  28                 SENT      // Message was sent by the user
  29         };
  30
  31         /* Constants */
  32         private final  String  reMsg  = "(:([^ ]+) +)?(([A-Z0-9]+) +)(([^ ]+)[= ]+)?(([^: ]+) *)?(:(.*))?";
  33         private final  String  reFrom = "([^! ]+)!.*";
  34         private final  String  reTo   = "(([^ :,]*)[:,] *)?(.*)";
  35
  36         private static Pattern ptMsg  = null;
  37         private static Pattern ptFrom = null;
  38         private static Pattern ptTo   = null;
  39
  40         /* Public data */
  41         public Date    time = null;
  42
  43         public String  line = "";
  44
  45         public String  src  = "";
  46         public String  cmd  = "";
  47         public String  dst  = "";
  48         public String  arg  = "";
  49         public String  msg  = "";
  50
  51         public Type    type = Type.OTHER;
  52         public How     how  = How.OTHER;
  53         public String  from = "";
  54         public String  to   = "";
  55         public String  txt  = "";
  56
  57         /* Private methods */
  58         private String notnull(String string)
  59         {
  60                 return string == null ? "" : string;
  61         }
  62
  63         /* Public Methods */
  64         public Message(String dst, String from, String msg)
  65         {
  66                 this.time = new Date();
  67                 this.type = Type.PRIVMSG;
  68                 this.cmd  = "PRIVMSG";
  69                 this.how  = How.SENT;
  70                 this.dst  = dst;
  71                 this.from = from;
  72                 this.msg  = msg;
  73                 this.line = this.cmd + " " + this.dst + " :" + this.msg;
  74         }
  75
  76         public Message(String line, String name)
  77         {
  78                 // Initialize regexes
  79                 if (ptMsg  == null) ptMsg  = Pattern.compile(reMsg);
  80                 if (ptFrom == null) ptFrom = Pattern.compile(reFrom);
  81                 if (ptTo   == null) ptTo   = Pattern.compile(reTo);
  82
  83                 // Set time stamp
  84                 this.time = new Date();
  85
  86                 // Cleanup line
  87                 line = line.replaceAll("\\s+",       " ");
  88                 line = line.replaceAll("^ | $",      "");
  89                 this.line = line;
  90
  91                 // Split line into parts
  92                 Matcher mrMsg = ptMsg.matcher(line);
  93                 if (mrMsg.matches()) {
  94                         this.src  = notnull(mrMsg.group(2));
  95                         this.cmd  = notnull(mrMsg.group(4));
  96                         this.dst  = notnull(mrMsg.group(6));
  97                         this.arg  = notnull(mrMsg.group(8));
  98                         this.msg  = notnull(mrMsg.group(10));
  99                 }
 100
 101                 // Determine friendly parts
 102                 Matcher mrFrom = ptFrom.matcher(this.src);
 103                 if (mrFrom.matches())
 104                         this.from = notnull(mrFrom.group(1));
 105
 106                 Matcher mrTo = ptTo.matcher(this.msg);
 107                 if (mrTo.matches())
 108                         this.to   = notnull(mrTo.group(2));
 109
 110                 if (this.to.equals(""))
 111                         this.txt  = notnull(this.msg);
 112                 else
 113                         this.txt  = notnull(mrTo.group(3));
 114
 115                 // Parse commands names
 116                 if      (this.cmd.equals("PRIVMSG"))       this.type = Type.PRIVMSG;
 117                 else if (this.cmd.equals("332"))           this.type = Type.TOPIC;
 118                 else if (this.cmd.equals("353"))           this.type = Type.NAMES;
 119                 else if (this.cmd.equals("ERROR"))         this.type = Type.ERROR;
 120                 else if (this.cmd.equals("CAP"))           this.type = Type.CAP;
 121                 else if (this.cmd.equals("AUTHENTICATE"))  this.type = Type.AUTH;
 122                 else if (this.cmd.equals("903"))           this.type = Type.AUTHOK;
 123                 else if (this.cmd.equals("904"))           this.type = Type.AUTHFAIL;
 124                 else if (this.cmd.equals("905"))           this.type = Type.AUTHFAIL;
 125                 else if (this.cmd.equals("906"))           this.type = Type.AUTHFAIL;
 126                 else if (this.cmd.equals("907"))           this.type = Type.AUTHFAIL;
 127
 128                 // Set directed
 129                 if      (this.dst.equals(name))            this.how  = How.PRIVMSG;
 130                 else if (this.to.equals(name))             this.how  = How.DIRECT;
 131                 else if (this.msg.contains(name))          this.how  = How.MENTION;
 132                 else if (this.type == Type.PRIVMSG)        this.how  = How.CHANNEL;
 133         }
 134
 135         public void debug()
 136         {
 137                 Os.debug("---------------------");
 138                 Os.debug("line = [" + line + "]");
 139                 Os.debug("src  = " + this.src);
 140                 Os.debug("cmd  = " + this.cmd);
 141                 Os.debug("dst  = " + this.dst);
 142                 Os.debug("arg  = " + this.arg);
 143                 Os.debug("msg  = " + this.msg);
 144                 Os.debug("from = " + this.from);
 145                 Os.debug("to   = " + this.to);
 146                 Os.debug("txt  = " + this.txt);
 147                 Os.debug("---------------------");
 148         }
 149
 150         public String toString()
 151         {
 152                 return this.from + ": " + this.txt;
 153         }
 154 }