mirror of https://codeberg.org/Mercury-IM/Smack
88 lines
2.4 KiB
Java
88 lines
2.4 KiB
Java
/**
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*
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* Copyright 2017-2021 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.jingle.element;
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import java.util.Collections;
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import java.util.List;
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import org.jivesoftware.smack.packet.XmlElement;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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/**
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* A jingle transport extension.
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*
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*/
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public abstract class JingleContentTransport implements XmlElement {
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public static final String ELEMENT = "transport";
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protected final List<JingleContentTransportCandidate> candidates;
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protected final JingleContentTransportInfo info;
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protected JingleContentTransport(List<JingleContentTransportCandidate> candidates) {
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this(candidates, null);
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}
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protected JingleContentTransport(List<JingleContentTransportCandidate> candidates, JingleContentTransportInfo info) {
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if (candidates != null) {
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this.candidates = Collections.unmodifiableList(candidates);
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}
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else {
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this.candidates = Collections.emptyList();
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}
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this.info = info;
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}
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public List<JingleContentTransportCandidate> getCandidates() {
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return candidates;
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}
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public JingleContentTransportInfo getInfo() {
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return info;
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}
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@Override
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public String getElementName() {
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return ELEMENT;
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}
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protected void addExtraAttributes(XmlStringBuilder xml) {
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}
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@Override
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public XmlStringBuilder toXML(XmlEnvironment xmlEnvironment) {
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XmlStringBuilder xml = new XmlStringBuilder(this, xmlEnvironment);
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addExtraAttributes(xml);
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if (candidates.isEmpty() && info == null) {
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xml.closeEmptyElement();
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} else {
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xml.rightAngleBracket();
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xml.append(candidates);
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xml.optElement(info);
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xml.closeElement(this);
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}
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return xml;
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}
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}
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