[muc] Use EntityBareJid instead of String in GroupChatInvitation

Also factor provider in extra file.

smack-extensions/src/main/java/org/jivesoftware/smackx/muc/packet/GroupChatInvitation.java

@@ -14,20 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.jivesoftware.smackx.muc.packet;
 
-import java.io.IOException;
-
 import javax.xml.namespace.QName;
 
 import org.jivesoftware.smack.packet.ExtensionElement;
 import org.jivesoftware.smack.packet.Stanza;
-import org.jivesoftware.smack.packet.XmlEnvironment;
-import org.jivesoftware.smack.provider.ExtensionElementProvider;
 import org.jivesoftware.smack.util.XmlStringBuilder;
-import org.jivesoftware.smack.xml.XmlPullParser;
-import org.jivesoftware.smack.xml.XmlPullParserException;
+
+import org.jxmpp.jid.EntityBareJid;
 
 /**
  * A group chat invitation stanza extension, which is used to invite other
@@ -72,7 +67,7 @@ public class GroupChatInvitation implements ExtensionElement {
 
     public static final QName QNAME = new QName(NAMESPACE, ELEMENT);
 
-    private final String roomAddress;
+    private final EntityBareJid roomAddress;
 
     /**
      * Creates a new group chat invitation to the specified room address.
@@ -82,7 +77,7 @@ public class GroupChatInvitation implements ExtensionElement {
      *
      * @param roomAddress the address of the group chat room.
      */
-    public GroupChatInvitation(String roomAddress) {
+    public GroupChatInvitation(EntityBareJid roomAddress) {
         this.roomAddress = roomAddress;
     }
 
@@ -93,7 +88,7 @@ public class GroupChatInvitation implements ExtensionElement {
      *
      * @return the address of the group chat room.
      */
-    public String getRoomAddress() {
+    public EntityBareJid getRoomAddress() {
         return roomAddress;
     }
 
@@ -124,16 +119,4 @@ public class GroupChatInvitation implements ExtensionElement {
         return packet.getExtension(GroupChatInvitation.class);
     }
 
-    public static class Provider extends ExtensionElementProvider<GroupChatInvitation> {
-
-        @Override
-        public GroupChatInvitation parse(XmlPullParser parser,
-                        int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException,
-                        IOException {
-            String roomAddress = parser.getAttributeValue("", "jid");
-            // Advance to end of extension.
-            parser.next();
-            return new GroupChatInvitation(roomAddress);
-        }
-    }
 }

smack-extensions/src/main/java/org/jivesoftware/smackx/muc/provider/GroupChatInvitationProvider.java

@@ -0,0 +1,43 @@
+/**
+ *
+ * Copyright 2003-2007 Jive Software, 2022 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.jivesoftware.smackx.muc.provider;
+
+import java.io.IOException;
+import java.text.ParseException;
+
+import org.jivesoftware.smack.packet.XmlEnvironment;
+import org.jivesoftware.smack.parsing.SmackParsingException;
+import org.jivesoftware.smack.provider.ExtensionElementProvider;
+import org.jivesoftware.smack.util.ParserUtils;
+import org.jivesoftware.smack.xml.XmlPullParser;
+import org.jivesoftware.smack.xml.XmlPullParserException;
+import org.jivesoftware.smackx.muc.packet.GroupChatInvitation;
+
+import org.jxmpp.jid.EntityBareJid;
+
+public class GroupChatInvitationProvider extends ExtensionElementProvider<GroupChatInvitation> {
+
+    @Override
+    public GroupChatInvitation parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
+                    throws XmlPullParserException, IOException, SmackParsingException, ParseException {
+        EntityBareJid roomAddress = ParserUtils.getBareJidAttribute(parser);
+        // Advance to end of extension.
+        parser.next();
+        return new GroupChatInvitation(roomAddress);
+    }
+
+}

smack-extensions/src/main/resources/org.jivesoftware.smack.extensions/extensions.providers

@@ -516,7 +516,7 @@
     <extensionProvider>
         <elementName>x</elementName>
         <namespace>jabber:x:conference</namespace>
-        <className>org.jivesoftware.smackx.muc.packet.GroupChatInvitation$Provider</className>
+        <className>org.jivesoftware.smackx.muc.provider.GroupChatInvitationProvider</className>
     </extensionProvider>
 
     <!-- XEP-0297: Stanza Forwarding -->