109 lines
3.4 KiB
Java
109 lines
3.4 KiB
Java
/**
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*
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* Copyright 2003-2007 Jive Software, 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.iqversion.packet;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.IqData;
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import org.jivesoftware.smack.util.StringUtils;
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/**
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* A Version IQ packet, which is used by XMPP clients to discover version information
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* about the software running at another entity's JID.<p>
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*
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* @author Gaston Dombiak
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*/
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public class Version extends IQ implements VersionView {
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public static final String ELEMENT = QUERY_ELEMENT;
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public static final String NAMESPACE = "jabber:iq:version";
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private final String name;
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private final String version;
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private String os;
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Version(VersionBuilder versionBuilder) {
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super(versionBuilder, ELEMENT, NAMESPACE);
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name = versionBuilder.getName();
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version = versionBuilder.getVersion();
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os = versionBuilder.getOs();
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if (getType() != IQ.Type.result) {
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return;
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}
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StringUtils.requireNotNullNorEmpty(name, "Version results must contain a name");
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StringUtils.requireNotNullNorEmpty(version, "Version results must contain a version");
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}
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/**
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* Returns the natural-language name of the software. This property will always be
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* present in a result.
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*
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* @return the natural-language name of the software.
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*/
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@Override
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public String getName() {
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return name;
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}
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/**
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* Returns the specific version of the software. This property will always be
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* present in a result.
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*
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* @return the specific version of the software.
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*/
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@Override
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public String getVersion() {
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return version;
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}
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/**
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* Returns the operating system of the queried entity. This property will always be
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* present in a result.
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*
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* @return the operating system of the queried entity.
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*/
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@Override
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public String getOs() {
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return os;
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}
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@Override
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protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder xml) {
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xml.rightAngleBracket();
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// Although not really optional elements, 'name' and 'version' are not set when sending a
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// version request. So we must handle the case that those are 'null' here.
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xml.optElement("name", name);
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xml.optElement("version", version);
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xml.optElement("os", os);
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return xml;
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}
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public static VersionBuilder builder(XMPPConnection connection) {
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return new VersionBuilder(connection);
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}
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public static VersionBuilder builder(IqData iqData) {
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return new VersionBuilder(iqData);
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}
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public static VersionBuilder builder(Version versionRequest) {
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IqData iqData = IqData.createResponseData(versionRequest);
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return builder(iqData);
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}
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}
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