91 lines
2.8 KiB
Java
91 lines
2.8 KiB
Java
/**
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*
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* Copyright 2020-2021 Florian Schmaus, 2020 Aditya Borikar
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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.smack.packet;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.packet.StreamOpen.StreamContentNamespace;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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/**
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* AbstractStreamOpen is actually a {@link TopLevelStreamElement}, however we
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* implement {@link Nonza} here. This is because, {@link XMPPConnection} doesn't
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* yet support sending {@link TopLevelStreamElement} directly and the same can only
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* be achieved through {@link XMPPConnection#sendNonza(Nonza)}.
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*/
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public abstract class AbstractStreamOpen implements Nonza {
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public static final String ETHERX_JABBER_STREAMS_NAMESPACE = "http://etherx.jabber.org/streams";
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public static final String CLIENT_NAMESPACE = "jabber:client";
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public static final String SERVER_NAMESPACE = "jabber:server";
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/**
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* RFC 6120 § 4.7.5.
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*/
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public static final String VERSION = "1.0";
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/**
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* RFC 6120 § 4.7.1.
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*/
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protected final String from;
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/**
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* RFC 6120 § 4.7.2.
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*/
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protected final String to;
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/**
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* RFC 6120 § 4.7.3.
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*/
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protected final String id;
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/**
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* RFC 6120 § 4.7.4.
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*/
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protected final String lang;
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/**
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* RFC 6120 § 4.8.2.
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*/
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protected final String contentNamespace;
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public AbstractStreamOpen(CharSequence to, CharSequence from, String id, String lang) {
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this(to, from, id, lang, StreamContentNamespace.client);
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}
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public AbstractStreamOpen(CharSequence to, CharSequence from, String id, String lang, StreamContentNamespace ns) {
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this.to = StringUtils.maybeToString(to);
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this.from = StringUtils.maybeToString(from);
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this.id = id;
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this.lang = lang;
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switch (ns) {
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case client:
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this.contentNamespace = CLIENT_NAMESPACE;
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break;
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case server:
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this.contentNamespace = SERVER_NAMESPACE;
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break;
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default:
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throw new IllegalStateException();
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}
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}
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protected final void addCommonAttributes(XmlStringBuilder xml) {
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xml.optAttribute("to", to);
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xml.optAttribute("version", VERSION);
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}
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}
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