Mentions

1 files changed, 12 insertions, 1 deletions

diff --git a/juick-common/src/main/java/com/juick/util/MessageUtils.java b/juick-common/src/main/java/com/juick/util/MessageUtils.java
index bac24507..4de68cb9 100644
--- a/juick-common/src/main/java/com/juick/util/MessageUtils.java
+++ b/juick-common/src/main/java/com/juick/util/MessageUtils.java
@@ -68,6 +68,9 @@ public class MessageUtils {
 
     private final static String replyNumberRegex = "((?<=\\s)|(?<=\\A))\\/(\\d+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
 
+    private final static String usernameRegex = "((?<=\\s)|(?<=\\A))@([\\w\\-]{2,16})((?=\\s)|(?=\\Z)|(?=\\p{Punct}))";
+    private final static Pattern usernamePattern = Pattern.compile(usernameRegex);
+
     public static String formatMessageCode(String msg) {
         msg = msg.replaceAll("&", "&amp;");
         msg = msg.replaceAll("<", "&lt;");
@@ -139,7 +142,7 @@ public class MessageUtils {
 
         // @username
         // <a href="http://juick.com/username/">@username</a>
-        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))@([\\w\\-]{2,16})((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"https://juick.com/$2/\">@$2</a>$3");
+        msg = msg.replaceAll(usernameRegex, "$1<a href=\"https://juick.com/$2/\">@$2</a>$3");
 
         // (http://juick.com/last?page=2)
         // (<a href="http://juick.com/last?page=2" rel="nofollow">juick.com</a>)
@@ -301,4 +304,12 @@ public class MessageUtils {
         }
         return input;
     }
+    public static List<String> getMentions(Message msg) {
+        Matcher usernameMatcher = usernamePattern.matcher(msg.getText());
+        List<String> result = new ArrayList<>();
+        while (usernameMatcher.find()) {
+            result.add(usernameMatcher.group());
+        }
+        return result;
+    }
 }