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137 lines
4.1 KiB
Java
137 lines
4.1 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.delay.packet;
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import java.util.Date;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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import org.jxmpp.util.XmppDateTime;
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/**
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* Represents timestamp information about data stored for later delivery. A DelayInformation will
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* always includes the timestamp when the stanza was originally sent and may include more
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* information such as the JID of the entity that originally sent the stanza as well as the reason
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* for the delay.<p>
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*
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* For more information see <a href="http://xmpp.org/extensions/xep-0091.html">XEP-0091</a>
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* and <a href="http://xmpp.org/extensions/xep-0203.html">XEP-0203</a>.
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*
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* @author Gaston Dombiak
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* @author Florian Schmaus
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*/
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public class DelayInformation implements ExtensionElement {
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public static final String ELEMENT = "delay";
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public static final String NAMESPACE = "urn:xmpp:delay";
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private final Date stamp;
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private final String from;
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private final String reason;
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/**
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* Creates a new instance with the specified timestamp.
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* @param stamp the timestamp
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* @param from sender
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* @param reason reason of delay.
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*/
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public DelayInformation(Date stamp, String from, String reason) {
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this.stamp = stamp;
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this.from = from;
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this.reason = reason;
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}
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public DelayInformation(Date stamp) {
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this(stamp, null, null);
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}
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/**
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* Returns the JID of the entity that originally sent the stanza or that delayed the
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* delivery of the stanza or <tt>null</tt> if this information is not available.
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*
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* @return the JID of the entity that originally sent the stanza or that delayed the
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* delivery of the packet.
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*/
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public String getFrom() {
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return from;
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}
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/**
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* Returns the timestamp when the stanza was originally sent. The returned Date is
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* be understood as UTC.
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*
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* @return the timestamp when the stanza was originally sent.
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*/
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public Date getStamp() {
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return stamp;
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}
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/**
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* Returns a natural-language description of the reason for the delay or <tt>null</tt> if
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* this information is not available.
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*
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* @return a natural-language description of the reason for the delay or <tt>null</tt>.
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*/
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public String getReason() {
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return reason;
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}
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@Override
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public String getElementName() {
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return ELEMENT;
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}
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@Override
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public String getNamespace() {
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return NAMESPACE;
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}
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@Override
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public XmlStringBuilder toXML(String enclosingNamespace) {
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XmlStringBuilder xml = new XmlStringBuilder(this);
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xml.attribute("stamp", XmppDateTime.formatXEP0082Date(stamp));
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xml.optAttribute("from", from);
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xml.rightAngleBracket();
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xml.optAppend(reason);
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xml.closeElement(this);
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return xml;
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}
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/**
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* Return delay information from the given stanza.
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*
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* @param packet
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* @return the DelayInformation or null
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* @deprecated use {@link #from(Stanza)} instead
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*/
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@Deprecated
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public static DelayInformation getFrom(Stanza packet) {
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return from(packet);
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}
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/**
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* Return delay information from the given stanza.
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*
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* @param packet
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* @return the DelayInformation or null
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*/
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public static DelayInformation from(Stanza packet) {
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return packet.getExtension(ELEMENT, NAMESPACE);
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}
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}
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