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https://github.com/vanitasvitae/Smack.git
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d4a6d8e653
to StanzaFilter and ExtensionElement.
95 lines
3.2 KiB
Java
95 lines
3.2 KiB
Java
/**
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*
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* Copyright the original author or authors
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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.pubsub.packet;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smackx.pubsub.PubSubElementType;
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/**
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* The standard PubSub extension of an {@link IQ} packet. This is the topmost
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* element of all pubsub requests and replies as defined in the <a href="http://xmpp.org/extensions/xep-0060">Publish-Subscribe</a>
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* specification.
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*
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* @author Robin Collier
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*/
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public class PubSub extends IQ
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{
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public static final String ELEMENT = "pubsub";
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public static final String NAMESPACE = "http://jabber.org/protocol/pubsub";
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public PubSub() {
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super(ELEMENT, NAMESPACE);
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}
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public PubSub(PubSubNamespace ns) {
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super(ELEMENT, ns.getXmlns());
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}
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public PubSub(String to, Type type, PubSubNamespace ns) {
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super(ELEMENT, (ns == null ? PubSubNamespace.BASIC : ns).getXmlns());
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setTo(to);
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setType(type);
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}
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/**
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* Returns the XML element name of the extension sub-packet root element.
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*
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* @return the XML element name of the packet extension.
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*/
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public String getElementName() {
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return ELEMENT;
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}
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@SuppressWarnings("unchecked")
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public <PE extends ExtensionElement> PE getExtension(PubSubElementType elem)
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{
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return (PE) getExtension(elem.getElementName(), elem.getNamespace().getXmlns());
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}
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/**
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* Returns the XML representation of a pubsub element according the specification.
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*
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* The XML representation will be inside of an iq packet like
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* in the following example:
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* <pre>
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* <iq type='set' id="MlIpV-4" to="pubsub.gato.home" from="gato3@gato.home/Smack">
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* <pubsub xmlns="http://jabber.org/protocol/pubsub">
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* :
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* Specific request extension
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* :
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* </pubsub>
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* </iq>
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* </pre>
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*
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*/
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@Override
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protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder xml) {
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// N.B. We could use SimpleIQ here, but PubSub IQs will nearly *always* have packet extensions, which means that
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// SimpleIQs xml.setEmptyElement() is counter-productive in this case and we use xml.rightAngleBracket()
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// instead, as there are likely sub-elements to follow.
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xml.rightAngleBracket();
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return xml;
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}
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public static PubSub createPubsubPacket(String to, Type type, ExtensionElement extension, PubSubNamespace ns) {
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PubSub pubSub = new PubSub(to, type, ns);
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pubSub.addExtension(extension);
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return pubSub;
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}
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}
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