139 lines
4.1 KiB
Java
139 lines
4.1 KiB
Java
/**
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*
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* Copyright 2003-2007 Jive Software, 2014-2021 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.time.packet;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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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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import org.jxmpp.util.XmppDateTime;
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/**
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* A Time IQ packet, which is used by XMPP clients to exchange their respective local
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* times. Clients that wish to fully support the entity time protocol should register
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* a PacketListener for incoming time requests that then respond with the local time.
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*
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* @see <a href="http://www.xmpp.org/extensions/xep-0202.html">XEP-202</a>
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* @author Florian Schmaus
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*/
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public class Time extends IQ implements TimeView {
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public static final String NAMESPACE = "urn:xmpp:time";
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public static final String ELEMENT = "time";
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private static final Logger LOGGER = Logger.getLogger(Time.class.getName());
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private final String utc;
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private final String tzo;
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public Time(TimeBuilder timeBuilder) {
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super(timeBuilder, ELEMENT, NAMESPACE);
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utc = timeBuilder.getUtc();
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tzo = timeBuilder.getTzo();
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Type type = getType();
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switch (type) {
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case get:
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if (utc != null) {
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throw new IllegalArgumentException("Time requests must not have utc set");
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}
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if (tzo != null) {
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throw new IllegalArgumentException("Time requests must not have tzo set");
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}
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break;
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case result:
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StringUtils.requireNotNullNorEmpty(utc, "Must have set a utc value");
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StringUtils.requireNotNullNorEmpty(tzo, "Must have set a tzo value");
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break;
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case error:
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// Nothing to check.
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break;
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case set:
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throw new IllegalArgumentException("Invalid IQ type");
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}
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}
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/**
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* Returns the local time or <code>null</code> if the time hasn't been set.
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*
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* @return the local time.
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*/
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public Date getTime() {
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if (utc == null) {
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return null;
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}
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Date date = null;
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try {
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date = XmppDateTime.parseDate(utc);
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}
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catch (Exception e) {
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LOGGER.log(Level.SEVERE, "Error getting local time", e);
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}
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return date;
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}
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@Override
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public String getUtc() {
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return utc;
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}
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@Override
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public String getTzo() {
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return tzo;
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}
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@Override
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protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder buf) {
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if (utc != null) {
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buf.rightAngleBracket();
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buf.element("utc", utc);
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buf.element("tzo", tzo);
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} else {
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buf.setEmptyElement();
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}
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return buf;
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}
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public static TimeBuilder builder(XMPPConnection connection) {
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return new TimeBuilder(connection);
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}
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public static TimeBuilder builder(IqData iqData) {
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return new TimeBuilder(iqData);
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}
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public static TimeBuilder builder(String stanzaId) {
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return new TimeBuilder(stanzaId);
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}
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public static TimeBuilder builder(Time timeRequest, Calendar calendar) {
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IqData iqData = IqData.createResponseData(timeRequest);
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return builder(iqData).setTime(calendar);
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}
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public static TimeBuilder builder(Time timeRequest) {
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return builder(timeRequest, Calendar.getInstance());
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}
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}
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