support for jid escapting when displaying localpart only

1 files changed, 14 insertions, 0 deletions

diff --git a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java
index 20f1feb4..f551dd20 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java
+++ b/src/main/java/eu/siacs/conversations/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 ful 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);
 	}