JingleContentDescription.java

  1. /**
  2.  *
  3.  * Copyright 2017-2021 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.smackx.jingle.element;

  18. import java.util.Collections;
  19. import java.util.List;

  20. import org.jivesoftware.smack.packet.NamedElement;
  21. import org.jivesoftware.smack.packet.XmlElement;
  22. import org.jivesoftware.smack.util.XmlStringBuilder;

  23. /**
  24.  * Jingle content description.
  25.  *
  26.  */
  27. public abstract class JingleContentDescription implements XmlElement {

  28.     public static final String ELEMENT = "description";

  29.     private final List<NamedElement> payloads;

  30.     protected JingleContentDescription(List<? extends NamedElement> payloads) {
  31.         if (payloads != null) {
  32.             this.payloads = Collections.unmodifiableList(payloads);
  33.         }
  34.         else {
  35.             this.payloads = Collections.emptyList();
  36.         }
  37.     }

  38.     @Override
  39.     public String getElementName() {
  40.         return ELEMENT;
  41.     }

  42.     public List<NamedElement> getJingleContentDescriptionChildren() {
  43.         return payloads;
  44.     }

  45.     protected void addExtraAttributes(XmlStringBuilder xml) {

  46.     }

  47.     @Override
  48.     public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
  49.         XmlStringBuilder xml = new XmlStringBuilder(this);
  50.         addExtraAttributes(xml);
  51.         xml.rightAngleBracket();

  52.         xml.append(payloads);

  53.         xml.closeElement(this);
  54.         return xml;
  55.     }

  56. }