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         };
  29
  30         /* Constants */
  31         private final  String  reMsg  = "(:([^ ]+) +)?(([A-Z0-9]+) +)(([^ ]+)[= ]+)?(([^: ]+) *)?(:(.*))?";
  32         private final  String  reFrom = "([^! ]+)!.*";
  33         private final  String  reTo   = "(([^ :,]*)[:,] *)?(.*)";
  34
  35         private static Pattern ptMsg  = null;
  36         private static Pattern ptFrom = null;
  37         private static Pattern ptTo   = null;
  38
  39         /* Public data */
  40         public Date    time = null;
  41
  42         public String  line = "";
  43
  44         public String  src  = "";
  45         public String  cmd  = "";
  46         public String  dst  = "";
  47         public String  arg  = "";
  48         public String  msg  = "";
  49
  50         public Type    type = Type.OTHER;
  51         public How     how  = How.OTHER;
  52         public String  from = "";
  53         public String  to   = "";
  54         public String  txt  = "";
  55
  56         /* Private methods */
  57         private String notnull(String string)
  58         {
  59                 return string == null ? "" : string;
  60         }
  61
  62         /* Public Methods */
  63         public Message(String dst, String from, String msg)
  64         {
  65                 this.cmd  = "PRIVMSG";
  66                 this.dst  = dst;
  67                 this.from = from;
  68                 this.msg  = msg;
  69                 this.line = this.cmd + " " + this.dst + " :" + this.msg;
  70         }
  71
  72         public Message(String line, String name)
  73         {
  74                 // Initialize regexes
  75                 if (ptMsg  == null) ptMsg  = Pattern.compile(reMsg);
  76                 if (ptFrom == null) ptFrom = Pattern.compile(reFrom);
  77                 if (ptTo   == null) ptTo   = Pattern.compile(reTo);
  78
  79                 // Set time stamp
  80                 this.time = new Date();
  81
  82                 // Cleanup line
  83                 line = line.replaceAll("\\s+",       " ");
  84                 line = line.replaceAll("^ | $",      "");
  85                 this.line = line;
  86
  87                 // Split line into parts
  88                 Matcher mrMsg = ptMsg.matcher(line);
  89                 if (mrMsg.matches()) {
  90                         this.src  = notnull(mrMsg.group(2));
  91                         this.cmd  = notnull(mrMsg.group(4));
  92                         this.dst  = notnull(mrMsg.group(6));
  93                         this.arg  = notnull(mrMsg.group(8));
  94                         this.msg  = notnull(mrMsg.group(10));
  95                 }
  96
  97                 // Determine friendly parts
  98                 Matcher mrFrom = ptFrom.matcher(this.src);
  99                 if (mrFrom.matches())
 100                         this.from = notnull(mrFrom.group(1));
 101
 102                 Matcher mrTo = ptTo.matcher(this.msg);
 103                 if (mrTo.matches())
 104                         this.to   = notnull(mrTo.group(2));
 105
 106                 if (this.to.equals(""))
 107                         this.txt  = notnull(this.msg);
 108                 else
 109                         this.txt  = notnull(mrTo.group(3));
 110
 111                 // Parse commands names
 112                 if      (this.cmd.equals("PRIVMSG"))       this.type = Type.PRIVMSG;
 113                 else if (this.cmd.equals("332"))           this.type = Type.TOPIC;
 114                 else if (this.cmd.equals("353"))           this.type = Type.NAMES;
 115                 else if (this.cmd.equals("ERROR"))         this.type = Type.ERROR;
 116                 else if (this.cmd.equals("CAP"))           this.type = Type.CAP;
 117                 else if (this.cmd.equals("AUTHENTICATE"))  this.type = Type.AUTH;
 118                 else if (this.cmd.equals("903"))           this.type = Type.AUTHOK;
 119                 else if (this.cmd.equals("904"))           this.type = Type.AUTHFAIL;
 120                 else if (this.cmd.equals("905"))           this.type = Type.AUTHFAIL;
 121                 else if (this.cmd.equals("906"))           this.type = Type.AUTHFAIL;
 122                 else if (this.cmd.equals("907"))           this.type = Type.AUTHFAIL;
 123
 124                 // Set directed
 125                 if      (this.dst.equals(name))            this.how  = How.PRIVMSG;
 126                 else if (this.to.equals(name))             this.how  = How.DIRECT;
 127                 else if (this.msg.contains(name))          this.how  = How.MENTION;
 128                 else if (this.type == Type.PRIVMSG)        this.how  = How.CHANNEL;
 129         }
 130
 131         public void debug()
 132         {
 133                 Os.debug("---------------------");
 134                 Os.debug("line = [" + line + "]");
 135                 Os.debug("src  = " + this.src);
 136                 Os.debug("cmd  = " + this.cmd);
 137                 Os.debug("dst  = " + this.dst);
 138                 Os.debug("arg  = " + this.arg);
 139                 Os.debug("msg  = " + this.msg);
 140                 Os.debug("from = " + this.from);
 141                 Os.debug("to   = " + this.to);
 142                 Os.debug("txt  = " + this.txt);
 143                 Os.debug("---------------------");
 144         }
 145
 146         public String toString()
 147         {
 148                 return this.from + ": " + this.txt;
 149         }
 150 }