Add isNuemric for handler conditions.

irc/src/com/dmdirc/parser/irc/events/IRCDataInEvent.java

@@ -42,6 +42,7 @@ public class IRCDataInEvent extends DataInEvent {
     private final String[] tokenisedData;
     private final String action;
     private final int numeric;
+    private final boolean isNumeric;
 
     public IRCDataInEvent(final IRCParser parser, final LocalDateTime date, final ReadLine line) {
         super(parser, date, checkNotNull(line).getLine());
@@ -68,6 +69,7 @@ public class IRCDataInEvent extends DataInEvent {
         int num = -1;
         try { num = Integer.parseInt(action); } catch (final NumberFormatException e) { }
         numeric = num;
+        isNumeric = (numeric != -1);
     }
 
     public String[] getTokenisedData() {
@@ -83,7 +85,7 @@ public class IRCDataInEvent extends DataInEvent {
     }
 
     public boolean isNumeric() {
-        return numeric != -1;
+        return isNumeric;
     }
 
     public int getNumeric() {