54 lines
1.6 KiB
Java
54 lines
1.6 KiB
Java
/**
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*
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* Copyright 2003-2007 Jive Software.
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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.smack.packet;
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/**
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* Interface to represent packet extensions. A packet extension is an XML subdocument
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* with a root element name and namespace. Packet extensions are used to provide
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* extended functionality beyond what is in the base XMPP specification. Examples of
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* packet extensions include message events, message properties, and extra presence data.
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* IQ packets cannot contain packet extensions.
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*
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* @see DefaultPacketExtension
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* @see org.jivesoftware.smack.provider.PacketExtensionProvider
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* @author Matt Tucker
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*/
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public interface PacketExtension {
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/**
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* Returns the root element name.
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*
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* @return the element name.
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*/
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public String getElementName();
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/**
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* Returns the root element XML namespace.
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*
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* @return the namespace.
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*/
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public String getNamespace();
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/**
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* Returns the XML representation of the PacketExtension.
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*
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* @return the packet extension as XML.
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*/
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public CharSequence toXML();
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}
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