tools/ejabberd2prosody: Don't throw an error if XML CDATA is null ([] in Erlang,...

diff --git a/tools/ejabberd2prosody.lua b/tools/ejabberd2prosody.lua
index be1504b270c8ac7b61de062431885b519c0348a5..d0675a653e988ee99489f4fd78e11e8e89d6137f 100755 (executable)
--- a/tools/ejabberd2prosody.lua
+++ b/tools/ejabberd2prosody.lua
@@ -44,8 +44,10 @@ function build_stanza(tuple, stanza)
                for _, a in ipairs(tuple[4]) do build_stanza(a, stanza); end
                if up then stanza:up(); else return stanza end
        elseif tuple[1] == "xmlcdata" then
-               assert(type(tuple[2]) == "string", "XML CDATA has unexpected type: "..type(tuple[2]));
-               stanza:text(tuple[2]);
+               if type(tuple[2]) ~= "table" then
+                       assert(type(tuple[2]) == "string", "XML CDATA has unexpected type: "..type(tuple[2]));
+                       stanza:text(tuple[2]);
+               end -- else it's [], i.e., the null value, used for the empty string
        else
                error("unknown element type: "..serialize(tuple));
        end