Smack/smack-core/src/main/java/org/jivesoftware/smack/packet/StreamOpen.java

83 lines
2.5 KiB
Java

/**
*
* Copyright © 2014-2020 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.smack.packet;
import org.jivesoftware.smack.util.XmlStringBuilder;
/**
* The stream open <b>tag</b>.
*/
public final class StreamOpen extends AbstractStreamOpen {
public static final String UNPREFIXED_ELEMENT = "stream";
public static final String ELEMENT = "stream:" + UNPREFIXED_ELEMENT;
public StreamOpen(CharSequence to) {
this(to, null, null, null, StreamContentNamespace.client);
}
public StreamOpen(CharSequence to, CharSequence from, String id) {
this(to, from, id, "en", StreamContentNamespace.client);
}
public StreamOpen(CharSequence to, CharSequence from, String id, String lang) {
super(to, from, id, lang);
}
public StreamOpen(CharSequence to, CharSequence from, String id, String lang, StreamContentNamespace ns) {
super(to, from, id, lang, ns);
}
@Override
public String getNamespace() {
return contentNamespace;
}
@Override
public String getElementName() {
return ELEMENT;
}
@Override
public XmlStringBuilder toXML(XmlEnvironment enclosingXmlEnvironment) {
XmlStringBuilder xml = new XmlStringBuilder();
xml.halfOpenElement(getElementName());
String namespace = CLIENT_NAMESPACE;
// We always want to state 'xmlns' for stream open tags.
if (enclosingXmlEnvironment != null) {
namespace = enclosingXmlEnvironment.getEffectiveNamespaceOrUse(CLIENT_NAMESPACE);
}
xml.attribute("xmlns", namespace);
xml.attribute("to", to);
xml.attribute("xmlns:stream", "http://etherx.jabber.org/streams");
xml.attribute("version", VERSION);
xml.optAttribute("from", from);
xml.optAttribute("id", id);
xml.xmllangAttribute(lang);
xml.rightAngleBracket();
return xml;
}
public enum StreamContentNamespace {
client,
server,
}
}