convert empty resources in messages to bare jid

1 files changed, 11 insertions, 1 deletions

diff --git a/src/main/java/de/pixart/messenger/xmpp/InvalidJid.java b/src/main/java/de/pixart/messenger/xmpp/InvalidJid.java
index fd4ca4b90..a22bd6cef 100644
--- a/src/main/java/de/pixart/messenger/xmpp/InvalidJid.java
+++ b/src/main/java/de/pixart/messenger/xmpp/InvalidJid.java
@@ -37,10 +37,20 @@ public class InvalidJid implements Jid {
 
     private final String value;
 
-    public InvalidJid(String jid) {
+    private InvalidJid(String jid) {
         this.value = jid;
     }
 
+    public static Jid of(String jid, boolean fallback) {
+        final int pos = jid.indexOf('/');
+        if (fallback && pos >= 0 && jid.length() >= pos + 1) {
+            if (jid.substring(pos + 1).trim().isEmpty()) {
+                return Jid.ofEscaped(jid.substring(0, pos));
+            }
+        }
+        return new InvalidJid(jid);
+    }
+
     @Override
     @NonNull
     public String toString() {