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Add 'Packet' interface

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to aid transition to the new 'Stanza' class ('Packet' was renamed to
'Stanza' a few commits before this).
This commit is contained in:
Florian Schmaus 2015-02-06 09:33:37 +01:00
parent 772da6bfa0
commit 1190edad0f
2 changed files with 234 additions and 1 deletions
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232
smack-core/src/main/java/org/jivesoftware/smack/packet/Packet.java Normal file
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@ -0,0 +1,232 @@
/**
*
* Copyright 2003-2007 Jive Software.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smack.packet;
import java.util.Collection;
import java.util.List;
import java.util.Set;
/**
* Deprecated interface of pre Smack 4.1 Stanzas.
* @deprecated use {@link Stanza} instead
*/
@Deprecated
public interface Packet extends TopLevelStreamElement {
public static final String TEXT = "text";
public static final String ITEM = "item";
/**
* Returns the unique ID of the stanza. The returned value could be <code>null</code>.
*
* @return the packet's unique ID or <code>null</code> if the id is not available.
*/
public String getStanzaId();
/**
*
* @return the stanza id.
* @deprecated use {@link #getStanzaId()} instead.
*/
@Deprecated
public String getPacketID();
/**
* Sets the unique ID of the packet. To indicate that a packet has no id
* pass <code>null</code> as the packet's id value.
*
* @param id the unique ID for the packet.
*/
public void setStanzaId(String id);
/**
*
* @param packetID
* @deprecated use {@link #setStanzaId(String)} instead.
*/
@Deprecated
public void setPacketID(String packetID);
/**
* Returns who the packet is being sent "to", or <tt>null</tt> if
* the value is not set. The XMPP protocol often makes the "to"
* attribute optional, so it does not always need to be set.<p>
*
* @return who the packet is being sent to, or <tt>null</tt> if the
* value has not been set.
*/
public String getTo();
/**
* Sets who the packet is being sent "to". The XMPP protocol often makes
* the "to" attribute optional, so it does not always need to be set.
*
* @param to who the packet is being sent to.
*/
public void setTo(String to);
/**
* Returns who the packet is being sent "from" or <tt>null</tt> if
* the value is not set. The XMPP protocol often makes the "from"
* attribute optional, so it does not always need to be set.<p>
*
* @return who the packet is being sent from, or <tt>null</tt> if the
* value has not been set.
*/
public String getFrom();
/**
* Sets who the packet is being sent "from". The XMPP protocol often
* makes the "from" attribute optional, so it does not always need to
* be set.
*
* @param from who the packet is being sent to.
*/
public void setFrom(String from);
/**
* Returns the error associated with this packet, or <tt>null</tt> if there are
* no errors.
*
* @return the error sub-packet or <tt>null</tt> if there isn't an error.
*/
public XMPPError getError();
/**
* Sets the error for this packet.
*
* @param error the error to associate with this packet.
*/
public void setError(XMPPError error);
/**
* Returns the xml:lang of this Stanza, or null if one has not been set.
*
* @return the xml:lang of this Stanza, or null.
*/
public String getLanguage();
/**
* Sets the xml:lang of this Stanza.
*
* @param language the xml:lang of this Stanza.
*/
public void setLanguage(String language);
/**
* Returns a copy of the packet extensions attached to the packet.
*
* @return the packet extensions.
*/
public List<PacketExtension> getExtensions();
/**
* Return a set of all extensions with the given element name <emph>and</emph> namespace.
* <p>
* Changes to the returned set will update the packet extensions, if the returned set is not the empty set.
* </p>
*
* @param elementName the element name, must not be null.
* @param namespace the namespace of the element(s), must not be null.
* @return a set of all matching extensions.
* @since 4.1
*/
public Set<PacketExtension> getExtensions(String elementName, String namespace);
/**
* Returns the first extension of this packet that has the given namespace.
* <p>
* When possible, use {@link #getExtension(String,String)} instead.
* </p>
*
* @param namespace the namespace of the extension that is desired.
* @return the packet extension with the given namespace.
*/
public PacketExtension getExtension(String namespace);
/**
* Returns the first packet extension that matches the specified element name and
* namespace, or <tt>null</tt> if it doesn't exist. If the provided elementName is null,
* only the namespace is matched. Packet extensions are
* are arbitrary XML sub-documents in standard XMPP packets. By default, a
* DefaultPacketExtension instance will be returned for each extension. However,
* PacketExtensionProvider instances can be registered with the
* {@link org.jivesoftware.smack.provider.ProviderManager ProviderManager}
* class to handle custom parsing. In that case, the type of the Object
* will be determined by the provider.
*
* @param elementName the XML element name of the packet extension. (May be null)
* @param namespace the XML element namespace of the packet extension.
* @return the extension, or <tt>null</tt> if it doesn't exist.
*/
public <PE extends PacketExtension> PE getExtension(String elementName, String namespace);
/**
* Adds a packet extension to the packet. Does nothing if extension is null.
*
* @param extension a packet extension.
*/
public void addExtension(PacketExtension extension);
/**
* Adds a collection of packet extensions to the packet. Does nothing if extensions is null.
*
* @param extensions a collection of packet extensions
*/
public void addExtensions(Collection<PacketExtension> extensions);
/**
* Check if a packet extension with the given element and namespace exists.
* <p>
* The argument <code>elementName</code> may be null.
* </p>
*
* @param elementName
* @param namespace
* @return true if a packet extension exists, false otherwise.
*/
public boolean hasExtension(String elementName, String namespace);
/**
* Check if a packet extension with the given namespace exists.
*
* @param namespace
* @return true if a packet extension exists, false otherwise.
*/
public boolean hasExtension(String namespace);
/**
* Remove the packet extension with the given elementName and namespace.
*
* @param elementName
* @param namespace
* @return the removed packet extension or null.
*/
public PacketExtension removeExtension(String elementName, String namespace);
/**
* Removes a packet extension from the packet.
*
* @param extension the packet extension to remove.
* @return the removed packet extension or null.
*/
public PacketExtension removeExtension(PacketExtension extension);
@Override
// NOTE When Smack is using Java 8, then this method should be moved in Element as "Default Method".
public String toString();
}

3
smack-core/src/main/java/org/jivesoftware/smack/packet/Stanza.java
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@ -45,7 +45,8 @@ import java.util.Set;
* @author Matt Tucker
* @see <a href="http://xmpp.org/rfcs/rfc6120.html#stanzas">RFC 6120 § 8. XML Stanzas</a>
*/
public abstract class Stanza implements TopLevelStreamElement {
@SuppressWarnings("deprecation") // FIXME Remove when 'Packet' is removed from Smack
public abstract class Stanza implements TopLevelStreamElement, Packet {
public static final String TEXT = "text";
public static final String ITEM = "item";