StartTls.java

  1. /**
  2.  *
  3.  * Copyright © 2014-2020 Florian Schmaus
  4.  *
  5.  * Licensed under the Apache License, Version 2.0 (the "License");
  6.  * you may not use this file except in compliance with the License.
  7.  * You may obtain a copy of the License at
  8.  *
  9.  *     http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. package org.jivesoftware.smack.packet;

  18. import javax.xml.namespace.QName;

  19. import org.jivesoftware.smack.util.XmlStringBuilder;

  20. public class StartTls implements Nonza {

  21.     public static final StartTls INSTANCE = new StartTls();

  22.     public static final String ELEMENT = "starttls";
  23.     public static final String NAMESPACE = "urn:ietf:params:xml:ns:xmpp-tls";
  24.     public static final QName QNAME = new QName(NAMESPACE, ELEMENT);

  25.     private final boolean required;

  26.     public StartTls() {
  27.         this(false);
  28.     }

  29.     public StartTls(boolean required) {
  30.         this.required = required;
  31.     }

  32.     public boolean required() {
  33.         return required;
  34.     }

  35.     @Override
  36.     public String getElementName() {
  37.         return ELEMENT;
  38.     }

  39.     @Override
  40.     public String getNamespace() {
  41.         return NAMESPACE;
  42.     }

  43.     @Override
  44.     public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
  45.         XmlStringBuilder xml = new XmlStringBuilder(this, enclosingNamespace);

  46.         if (required) {
  47.             xml.rightAngleBracket();
  48.             xml.emptyElement("required");
  49.             xml.closeElement(this);
  50.         } else {
  51.             xml.closeEmptyElement();
  52.         }

  53.         return xml;
  54.     }

  55. }