1 files changed, 22 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
index 9fedada6..81f5b843 100644
--- a/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
@@ -3,6 +3,8 @@ package de.thedevstack.conversationsplus.utils;
 import android.graphics.BitmapFactory;
 
 import java.net.URL;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import eu.siacs.conversations.entities.DownloadableFile;
 import eu.siacs.conversations.entities.Message;
@@ -12,6 +14,26 @@ import eu.siacs.conversations.persistance.FileBackend;
  * Created by tzur on 15.12.2015.
  */
 public final class MessageUtil {
+    public static boolean wasHighlightedOrPrivate(final Message message) {
+        final String nick = message.getConversation().getMucOptions().getActualNick();
+        final Pattern highlight = generateNickHighlightPattern(nick);
+        if (message.getBody() == null || nick == null) {
+            return false;
+        }
+        final Matcher m = highlight.matcher(message.getBody());
+        return (m.find() || message.getType() == Message.TYPE_PRIVATE);
+    }
+
+    private static Pattern generateNickHighlightPattern(final String nick) {
+        // We expect a word boundary, i.e. space or start of string, followed by
+        // the
+        // nick (matched in case-insensitive manner), followed by optional
+        // punctuation (for example "bob: i disagree" or "how are you alice?"),
+        // followed by another word boundary.
+        return Pattern.compile("\\b" + Pattern.quote(nick) + "\\p{Punct}?\\b",
+                Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
+    }
+
     public static void updateMessageWithImageDetails(Message message, String filePath, long size, int imageWidth, int imageHeight) {
         message.setRelativeFilePath(filePath);
         MessageUtil.updateMessageBodyWithImageParams(message, size, imageWidth, imageHeight);