Add scala code to smack-repl

smack-repl/src/main/scala/org/igniterealtime/smack/scala/util/CheckInBandRegistration.scala

@@ -0,0 +1,49 @@
+/**
+ *
+ * Copyright 2018 Florian Schmaus
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.igniterealtime.smack.scala.util
+
+import org.jxmpp.jid.DomainBareJid;
+import org.jxmpp.jid.impl.JidCreate;
+
+import org.jivesoftware.smack.tcp.XMPPTCPConnection;
+import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;
+
+import org.jivesoftware.smackx.iqregister.AccountManager
+
+object CheckInBandRegistration {
+
+  def supportsIbr(xmppServiceString: String) : Boolean = {
+    val xmppServiceAddress = JidCreate domainBareFrom(xmppServiceString)
+
+    val config = XMPPTCPConnectionConfiguration.builder()
+                  .setXmppDomain(xmppServiceAddress)
+                  .build();
+
+    supportsIbr(config)
+  }
+
+  def supportsIbr(connectionConfiguration: XMPPTCPConnectionConfiguration) : Boolean = {
+    val connection = new XMPPTCPConnection(connectionConfiguration)
+    connection.connect
+    try {
+      AccountManager.getInstance(connection).supportsAccountCreation
+    } finally {
+      connection disconnect
+    }
+  }
+
+}