mirror of
https://codeberg.org/Mercury-IM/Smack
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4698805a34
Smack still uses the term 'Packet' in some places. This is just the first step towards using correct XMPP terms in Smack.
102 lines
3.3 KiB
Java
102 lines
3.3 KiB
Java
/**
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*
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* Copyright © 2014 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.delay;
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import java.util.Date;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jivesoftware.smack.packet.PacketExtension;
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import org.jivesoftware.smackx.delay.packet.DelayInformation;
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/**
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* Delayed Delivery (XEP-203)
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*
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* @author Florian Schmaus
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* @see <a href="http://xmpp.org/extensions/xep-0203.html">Delayed Delivery (XEP-203)</a>
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*
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*/
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public class DelayInformationManager {
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public static final String LEGACY_DELAYED_DELIVERY_NAMESPACE = "jabber:x:delay";
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public static final String LEGACY_DELAYED_DELIVERY_ELEMENT = "x";
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/**
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* Get Delayed Delivery information as defined in XEP-203
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* <p>
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* Prefer {@link #getDelayInformation(Stanza)} over this method for backwards compatibility.
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* </p>
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* @param packet
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* @return the Delayed Delivery information or <code>null</code>
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*/
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public static DelayInformation getXep203DelayInformation(Stanza packet) {
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return DelayInformation.from(packet);
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}
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/**
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* Get Delayed Delivery information as defined in XEP-91
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* <p>
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* Prefer {@link #getDelayInformation(Stanza)} over this method for backwards compatibility.
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* </p>
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* @param packet
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* @return the Delayed Delivery information or <code>null</code>
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*/
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public static DelayInformation getLegacyDelayInformation(Stanza packet) {
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return packet.getExtension(LEGACY_DELAYED_DELIVERY_ELEMENT, LEGACY_DELAYED_DELIVERY_NAMESPACE);
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}
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/**
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* Get Delayed Delivery information. This method first looks for a PacketExtension with the
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* XEP-203 namespace and falls back to the XEP-91 namespace.
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*
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* @param packet
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* @return the Delayed Delivery information or <code>null</code>
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*/
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public static DelayInformation getDelayInformation(Stanza packet) {
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DelayInformation delayInformation = getXep203DelayInformation(packet);
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if (delayInformation != null) {
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return delayInformation;
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}
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return getLegacyDelayInformation(packet);
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}
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/**
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* Get the Delayed Delivery timestamp or <code>null</code>
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*
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* @param packet
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* @return the Delayed Delivery timestamp or <code>null</code>
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*/
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public static Date getDelayTimestamp(Stanza packet) {
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DelayInformation delayInformation = getDelayInformation(packet);
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if (delayInformation == null) {
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return null;
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}
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return delayInformation.getStamp();
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}
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/**
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* Check if the given stanza is a delayed stanza as of XEP-203.
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*
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* @param packet
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* @return true if the stanza got delayed.
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*/
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public static boolean isDelayedStanza(Stanza packet) {
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PacketExtension packetExtension = getDelayInformation(packet);
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return packetExtension != null;
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}
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}
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