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Smack Extensions User Manual
The XMPP protocol includes a base protocol and many optional extensions typically documented as "XEP's". Smack provides the org.jivesoftware.smack package for the core XMPP protocol, and the org.jivesoftware.smackx package for many of the protocol extensions.
This manual provides details about each of the "smackx" extensions, including what it is, how to use it, and some simple example code.
Smack Extensions and currently supported XEPs by Smack (smack-extensions)
| Name | XEP | Description |
|---|---|---|
| Data Forms | XEP-0004 | Allows to gather data using Forms. |
| Last Activity | XEP-0012 | Communicating information about the last activity associated with an XMPP entity. |
| Flexible Offline Message Retrieval | XEP-0013 | Extension for flexible, POP3-like handling of offline messages. |
| Privacy Lists | XEP-0016 | Enabling or disabling communication with other entities. |
| Message Events | XEP-0022 | Requests and responds to message events. |
| Service Discovery | XEP-0030 | Allows to discover services in XMPP entities. |
| Extended Stanza Addressing | XEP-0033 | Allows to include headers in stanzas in order to specifiy multiple recipients or sub-addresses. |
| Multi User Chat | XEP-0045 | Allows configuration of, participation in, and administration of individual text-based conference rooms. |
| In-Band Bytestreams | XEP-0047 | Enables any two entities to establish a one-to-one bytestream between themselves using plain XMPP. |
| Bookmarks | XEP-0048 | Bookmarks, for e.g. MUC and web pages. |
| Private Data | XEP-0049 | Manages private data. |
| Ad-Hoc Commands | XEP-0050 | Advertising and executing application-specific commands. |
| vcard-temp | XEP-0054 | The vCard-XML format currently in use. |
| Jabber Search | XEP-0055 | Search information repositories on the XMPP network. |
| PubSub | XEP-0060 | Generic publish and subscribe functionality. |
| SOCKS5 Bytestrams | XEP-0065 | Out-of-band bytestream between any two XMPP entities. |
| XHTML-IM | XEP-0071 | Allows send and receiving formatted messages using XHTML. |
| In-Band Registration | XEP-0077 | In-band registration with XMPP services. |
| Advanced Message Processing | XEP-0079 | Enables entities to request, and servers to perform, advanced processing of XMPP message stanzas. |
| XMPP Date Time Profiles | XEP-0082 | Standardization of Date and Time representation in XMPP. |
| Chat State Notifications | XEP-0085 | Communicating the status of a user in a chat session. |
| Time Exchange | XEP-0090 | Allows local time information to be shared between users. |
| Software Version | XEP-0092 | Retrieve and announce the software application of an XMPP entity. |
| Stream Initation | XEP-0095 | Initiating a data stream between any two XMPP entities. |
| SI File Transfer | XEP-0096 | Transfer files between two users over XMPP. |
| Entity Capabilities | XEP-0115 | Broadcasting and dynamic discovery of entity capabilities. |
| Stream Compression | XEP-0138 | Support for optional compression of the XMPP stream. |
| Personal Eventing Protocol | XEP-0163 | Using the XMPP publish-subscribe protocol to broadcast state change events associated with a XMPP account. |
| Message Delivery Receipts | XEP-0184 | Extension for message delivery receipts. The sender can request notification that the message has been delivered. |
| XMPP Ping | XEP-0199 | Sending application-level pings over XML streams. |
| Entity Time | XEP-0202 | Allows entities to communicate their local time |
| Delayed Delivery | XEP-0203 | Extension for communicating the fact that an XML stanza has been delivered with a delay. |
| XMPP Over BOSH | XEP-0206 | Use Bidirectional-streams Over Synchronous HTTP (BOSH) to transport XMPP stanzas. |
| Group Chat Invitations | n/a | Send invitations to other users to join a group chat room. |
| Jive Properties | n/a | TODO |
Experimental Smack Extensions and currently supported XEPs by Smack (smack-experimental)
| Name | XEP | Description |
|---|---|---|
| Message Carbons | XEP-0280 | Keep all IM clients for a user engaged in a conversation, by carbon-copy outbound messages to all interested resources. |
| HTTP over XMPP transport | XEP-0332 | Allows to transport HTTP communication over XMPP peer-to-peer networks. |
Legacy Smack Extensions and currently supported XEPs by Smack (smack-legacy)
If a XEP becomes 'Deprecated' or 'Obsolete' the code will be moved to the smack-legacy subproject.
| Name | XEP | Description |
|---|---|---|
| Roster Item Exchange | XEP-0093 | Allows roster data to be shared between users. |