support for jid escapting when displaying localpart only

1 files changed, 14 insertions, 0 deletions

diff --git a/src/main/java/de/pixart/messenger/xmpp/jid/Jid.java b/src/main/java/de/pixart/messenger/xmpp/jid/Jid.java
index 123e6ee8f..af21019b8 100644
--- a/src/main/java/de/pixart/messenger/xmpp/jid/Jid.java
+++ b/src/main/java/de/pixart/messenger/xmpp/jid/Jid.java
@@ -21,6 +21,8 @@ public final class Jid {
     private final String domainpart;
     private final String resourcepart;
 
+    private static final char[] JID_ESCAPING_CHARS = {' ','"','&','\'','/',':','<','>','@','\\'};
+
     // It's much more efficient to store the full JID as well as the parts instead of figuring them
     // all out every time (since some characters are displayed but aren't used for comparisons).
     private final String displayjid;
@@ -29,6 +31,18 @@ public final class Jid {
         return localpart;
     }
 
+    public String getUnescapedLocalpart() {
+        if (localpart == null || !localpart.contains("\\")) {
+            return localpart;
+        } else {
+            String localpart = this.localpart;
+            for(char c : JID_ESCAPING_CHARS) {
+                localpart = localpart.replace(String.format ("\\%02x", (int)c),String.valueOf(c));
+            }
+            return localpart;
+        }
+    }
+
     public String getDomainpart() {
         return IDN.toUnicode(domainpart);
     }