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

   1 package org.pileus.spades;
   2
   3 import java.util.regex.Pattern;
   4 import java.util.regex.Matcher;
   5
   6 public class Message
   7 {
   8         /* Enumerations */
   9         enum Type {
  10                 OTHER,
  11                 PRIVMSG,
  12                 TOPIC,
  13                 NAMES,
  14                 ERROR,
  15                 CAP,
  16                 AUTH,
  17                 AUTHOK,
  18                 AUTHFAIL,
  19         };
  20
  21         /* Constnats */
  22         private final  String  reMsg  = "(:([^ ]+) +)?(([A-Z0-9]+) +)(([^ ]+)[= ]+)?(([^: ]+) *)?(:(.*))?";
  23         private final  String  reFrom = "([^! ]+)!.*";
  24         private final  String  reTo   = "(([^ :,]*)[:,] *)?(.*)";
  25
  26         private static Pattern ptMsg  = null;
  27         private static Pattern ptFrom = null;
  28         private static Pattern ptTo   = null;
  29
  30         /* Public data */
  31         public String  line = "";
  32
  33         public String  src  = "";
  34         public String  cmd  = "";
  35         public String  dst  = "";
  36         public String  arg  = "";
  37         public String  msg  = "";
  38
  39         public Type    type = Type.OTHER;
  40         public String  from = "";
  41         public String  to   = "";
  42         public String  txt  = "";
  43
  44         /* Private methods */
  45         private String notnull(String string)
  46         {
  47                 return string == null ? "" : string;
  48         }
  49
  50         /* Public Methods */
  51         public Message(String dst, String from, String msg)
  52         {
  53                 this.cmd  = "PRIVMSG";
  54                 this.dst  = dst;
  55                 this.from = from;
  56                 this.msg  = msg;
  57                 this.line = this.cmd + " " + this.dst + " :" + this.msg;
  58         }
  59
  60         public Message(String line)
  61         {
  62                 // Initialize regexes
  63                 if (ptMsg  == null) ptMsg  = Pattern.compile(reMsg);
  64                 if (ptFrom == null) ptFrom = Pattern.compile(reFrom);
  65                 if (ptTo   == null) ptTo   = Pattern.compile(reTo);
  66
  67                 // Cleanup line
  68                 line = line.replaceAll("\\s+",       " ");
  69                 line = line.replaceAll("^ | $",      "");
  70                 line = line.replaceAll("\003[0-9]*", "");
  71                 this.line = line;
  72
  73                 // Split line into parts
  74                 Matcher mrMsg = ptMsg.matcher(line);
  75                 if (mrMsg.matches()) {
  76                         this.src  = notnull(mrMsg.group(2));
  77                         this.cmd  = notnull(mrMsg.group(4));
  78                         this.dst  = notnull(mrMsg.group(6));
  79                         this.arg  = notnull(mrMsg.group(8));
  80                         this.msg  = notnull(mrMsg.group(10));
  81                 }
  82
  83                 // Determine friendly parts
  84                 Matcher mrFrom = ptFrom.matcher(this.src);
  85                 if (mrFrom.matches())
  86                         this.from = notnull(mrFrom.group(1));
  87
  88                 Matcher mrTo = ptTo.matcher(this.msg);
  89                 if (mrTo.matches())
  90                         this.to   = notnull(mrTo.group(2));
  91
  92                 if (this.to.equals(""))
  93                         this.txt  = notnull(this.msg);
  94                 else
  95                         this.txt  = notnull(mrTo.group(3));
  96
  97                 // Parse commands names
  98                 if      (this.cmd.equals("PRIVMSG"))       this.type = Type.PRIVMSG;
  99                 else if (this.cmd.equals("332"))           this.type = Type.TOPIC;
 100                 else if (this.cmd.equals("353"))           this.type = Type.NAMES;
 101                 else if (this.cmd.equals("ERROR"))         this.type = Type.ERROR;
 102                 else if (this.cmd.equals("CAP"))           this.type = Type.CAP;
 103                 else if (this.cmd.equals("AUTHENTICATE"))  this.type = Type.AUTH;
 104                 else if (this.cmd.equals("903"))           this.type = Type.AUTHOK;
 105                 else if (this.cmd.equals("904"))           this.type = Type.AUTHFAIL;
 106                 else if (this.cmd.equals("905"))           this.type = Type.AUTHFAIL;
 107                 else if (this.cmd.equals("906"))           this.type = Type.AUTHFAIL;
 108                 else if (this.cmd.equals("907"))           this.type = Type.AUTHFAIL;
 109         }
 110
 111         public void debug()
 112         {
 113                 Os.debug("---------------------");
 114                 Os.debug("line = [" + line + "]");
 115                 Os.debug("src  = " + this.src);
 116                 Os.debug("cmd  = " + this.cmd);
 117                 Os.debug("dst  = " + this.dst);
 118                 Os.debug("arg  = " + this.arg);
 119                 Os.debug("msg  = " + this.msg);
 120                 Os.debug("from = " + this.from);
 121                 Os.debug("to   = " + this.to);
 122                 Os.debug("txt  = " + this.txt);
 123                 Os.debug("---------------------");
 124         }
 125
 126         public String toString()
 127         {
 128                 return this.from + ": " + this.txt;
 129         }
 130 }