@@ -0,0 +1,1790 @@
+/**%0A *%0A * Copyright 2020 Florian Schmaus%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage org.jivesoftware.smack.filter;%0A%0Aimport javax.xml.namespace.QName;%0A%0Aimport org.jivesoftware.smack.packet.ExtensionElement;%0Aimport org.jivesoftware.smack.packet.Stanza;%0Aimport org.jivesoftware.smack.util.XmppElementUtil;%0A%0Apublic class ExtensionElementFilter%3CE extends ExtensionElement%3E implements StanzaFilter %7B%0A%0A    private final Class%3CE%3E extensionElementClass;%0A    private final QName extensionElementQName;%0A%0A    protected ExtensionElementFilter(Class%3CE%3E extensionElementClass) %7B%0A        this.extensionElementClass = extensionElementClass;%0A        extensionElementQName = XmppElementUtil.getQNameFor(extensionElementClass);%0A    %7D%0A%0A    @Override%0A    public final boolean accept(Stanza stanza) %7B%0A        ExtensionElement extensionElement = stanza.getExtension(extensionElementQName);%0A        if (extensionElement == null) %7B%0A            return false;%0A        %7D%0A%0A        if (!extensionElementClass.isInstance(extensionElement)) %7B%0A            return false;%0A        %7D%0A%0A        E specificExtensionElement = extensionElementClass.cast(extensionElement);%0A        return accept(specificExtensionElement);%0A    %7D%0A%0A    public boolean accept(E extensionElement) %7B%0A        return true;%0A    %7D%0A%7D%0A

Add ExtensionElementFilter