Whoops: if the stopwords were empty, the pattern matched everything.

2012-12-12 14:17:54 -08:00
parent 3ba24a3dc5
commit 899c976ee7
1 changed files with 4 additions and 1 deletions
@@ -209,7 +209,10 @@ public abstract class CurseFilter implements ChatFilter
        for (StringTokenizer st = new StringTokenizer(stopWords); st.hasMoreTokens(); ) {
            patterns.add(getStopWordRegexp(st.nextToken()));
        }
-        setStopPattern("(" + Joiner.on('|').join(patterns) + ")");
+        String pattern = patterns.isEmpty()
+            ? ".\\A" // matches nothing
+            : "(" + Joiner.on('|').join(patterns) + ")";
+        setStopPattern(pattern);
    }

    /**