233 lines
7.8 KiB
Java
233 lines
7.8 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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import java.util.Collection;
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import java.util.List;
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import java.util.Set;
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/**
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* Deprecated interface of pre Smack 4.1 Stanzas.
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* @deprecated use {@link Stanza} instead
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*/
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@Deprecated
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public interface Packet extends TopLevelStreamElement {
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public static final String TEXT = "text";
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public static final String ITEM = "item";
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/**
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* Returns the unique ID of the stanza. The returned value could be <code>null</code>.
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*
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* @return the packet's unique ID or <code>null</code> if the id is not available.
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*/
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public String getStanzaId();
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/**
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* Get the stanza id.
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* @return the stanza id.
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* @deprecated use {@link #getStanzaId()} instead.
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*/
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@Deprecated
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public String getPacketID();
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/**
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* Sets the unique ID of the packet. To indicate that a stanza(/packet) has no id
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* pass <code>null</code> as the packet's id value.
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*
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* @param id the unique ID for the packet.
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*/
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public void setStanzaId(String id);
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/**
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* Set the stanza ID.
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* @param packetID
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* @deprecated use {@link #setStanzaId(String)} instead.
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*/
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@Deprecated
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public void setPacketID(String packetID);
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/**
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* Returns who the stanza(/packet) is being sent "to", or <tt>null</tt> if
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* the value is not set. The XMPP protocol often makes the "to"
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* attribute optional, so it does not always need to be set.<p>
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*
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* @return who the stanza(/packet) is being sent to, or <tt>null</tt> if the
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* value has not been set.
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*/
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public String getTo();
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/**
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* Sets who the stanza(/packet) is being sent "to". The XMPP protocol often makes
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* the "to" attribute optional, so it does not always need to be set.
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*
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* @param to who the stanza(/packet) is being sent to.
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*/
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public void setTo(String to);
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/**
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* Returns who the stanza(/packet) is being sent "from" or <tt>null</tt> if
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* the value is not set. The XMPP protocol often makes the "from"
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* attribute optional, so it does not always need to be set.<p>
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*
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* @return who the stanza(/packet) is being sent from, or <tt>null</tt> if the
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* value has not been set.
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*/
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public String getFrom();
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/**
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* Sets who the stanza(/packet) is being sent "from". The XMPP protocol often
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* makes the "from" attribute optional, so it does not always need to
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* be set.
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*
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* @param from who the stanza(/packet) is being sent to.
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*/
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public void setFrom(String from);
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/**
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* Returns the error associated with this packet, or <tt>null</tt> if there are
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* no errors.
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*
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* @return the error sub-packet or <tt>null</tt> if there isn't an error.
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*/
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public XMPPError getError();
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/**
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* Sets the error for this packet.
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*
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* @param error the error to associate with this packet.
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*/
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public void setError(XMPPError error);
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/**
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* Returns the xml:lang of this Stanza, or null if one has not been set.
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*
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* @return the xml:lang of this Stanza, or null.
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*/
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public String getLanguage();
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/**
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* Sets the xml:lang of this Stanza.
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*
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* @param language the xml:lang of this Stanza.
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*/
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public void setLanguage(String language);
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/**
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* Returns a copy of the stanza(/packet) extensions attached to the packet.
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*
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* @return the stanza(/packet) extensions.
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*/
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public List<ExtensionElement> getExtensions();
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/**
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* Return a set of all extensions with the given element name <emph>and</emph> namespace.
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* <p>
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* Changes to the returned set will update the stanza(/packet) extensions, if the returned set is not the empty set.
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* </p>
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*
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* @param elementName the element name, must not be null.
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* @param namespace the namespace of the element(s), must not be null.
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* @return a set of all matching extensions.
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* @since 4.1
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*/
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public Set<ExtensionElement> getExtensions(String elementName, String namespace);
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/**
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* Returns the first extension of this stanza(/packet) that has the given namespace.
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* <p>
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* When possible, use {@link #getExtension(String,String)} instead.
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* </p>
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*
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* @param namespace the namespace of the extension that is desired.
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* @return the stanza(/packet) extension with the given namespace.
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*/
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public ExtensionElement getExtension(String namespace);
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/**
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* Returns the first stanza(/packet) extension that matches the specified element name and
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* namespace, or <tt>null</tt> if it doesn't exist. If the provided elementName is null,
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* only the namespace is matched. Stanza(/Packet) extensions are
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* are arbitrary XML sub-documents in standard XMPP packets. By default, a
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* DefaultPacketExtension instance will be returned for each extension. However,
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* PacketExtensionProvider instances can be registered with the
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* {@link org.jivesoftware.smack.provider.ProviderManager ProviderManager}
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* class to handle custom parsing. In that case, the type of the Object
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* will be determined by the provider.
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*
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* @param elementName the XML element name of the stanza(/packet) extension. (May be null)
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* @param namespace the XML element namespace of the stanza(/packet) extension.
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* @return the extension, or <tt>null</tt> if it doesn't exist.
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*/
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public <PE extends ExtensionElement> PE getExtension(String elementName, String namespace);
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/**
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* Adds a stanza(/packet) extension to the packet. Does nothing if extension is null.
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*
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* @param extension a stanza(/packet) extension.
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*/
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public void addExtension(ExtensionElement extension);
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/**
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* Adds a collection of stanza(/packet) extensions to the packet. Does nothing if extensions is null.
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*
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* @param extensions a collection of stanza(/packet) extensions
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*/
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public void addExtensions(Collection<ExtensionElement> extensions);
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/**
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* Check if a stanza(/packet) extension with the given element and namespace exists.
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* <p>
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* The argument <code>elementName</code> may be null.
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* </p>
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*
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* @param elementName
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* @param namespace
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* @return true if a stanza(/packet) extension exists, false otherwise.
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*/
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public boolean hasExtension(String elementName, String namespace);
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/**
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* Check if a stanza(/packet) extension with the given namespace exists.
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*
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* @param namespace
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* @return true if a stanza(/packet) extension exists, false otherwise.
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*/
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public boolean hasExtension(String namespace);
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/**
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* Remove the stanza(/packet) extension with the given elementName and namespace.
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*
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* @param elementName
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* @param namespace
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* @return the removed stanza(/packet) extension or null.
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*/
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public ExtensionElement removeExtension(String elementName, String namespace);
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/**
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* Removes a stanza(/packet) extension from the packet.
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*
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* @param extension the stanza(/packet) extension to remove.
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* @return the removed stanza(/packet) extension or null.
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*/
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public ExtensionElement removeExtension(ExtensionElement extension);
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@Override
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// NOTE When Smack is using Java 8, then this method should be moved in Element as "Default Method".
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public String toString();
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}
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