88 lines
2.6 KiB
Java
88 lines
2.6 KiB
Java
/**
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*
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* Copyright 2016 Fernando Ramirez
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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.message_correct.element;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.packet.Message;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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/**
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* An Extension that implements XEP-0308: Last Message Correction
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*
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* This extension is expected to be added to message stanzas. Please refer to
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* the XEP for more implementation guidelines.
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*
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* @author Fernando Ramirez, f.e.ramirez94@gmail.com
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* @see <a href="http://xmpp.org/extensions/xep-0308.html">XEP-0308: Last
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* Message Correction</a>
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*/
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public class MessageCorrectExtension implements ExtensionElement {
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/**
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* The XML element name of a 'message correct' extension.
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*/
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public static final String ELEMENT = "replace";
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/**
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* The namespace that qualifies the XML element of a 'message correct'
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* extension.
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*/
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public static final String NAMESPACE = "urn:xmpp:message-correct:0";
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/**
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* The id tag of a 'message correct' extension.
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*/
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public static final String ID_TAG = "id";
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/**
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* The id of the message to correct.
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*/
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private final String idInitialMessage;
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public MessageCorrectExtension(String idInitialMessage) {
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this.idInitialMessage = StringUtils.requireNotNullOrEmpty(idInitialMessage, "idInitialMessage must not be null");
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}
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public String getIdInitialMessage() {
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return idInitialMessage;
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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 XmlStringBuilder toXML() {
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XmlStringBuilder xml = new XmlStringBuilder(this);
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xml.attribute(ID_TAG, getIdInitialMessage());
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xml.closeEmptyElement();
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return xml;
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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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public static MessageCorrectExtension from(Message message) {
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return message.getExtension(ELEMENT, NAMESPACE);
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}
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}
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