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48 lines
2 KiB
Markdown
48 lines
2 KiB
Markdown
Smack Overview
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==============
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[Back](index.md)
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Smack is a library for communicating with XMPP servers to perform real-time
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communications, including instant messaging and group chat.
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Smack Key Advantages
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--------------------
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* Extremely simple to use, yet powerful API. Sending a text message to a user can be accomplished in only a few lines of code:
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```java
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AbstractXMPPConnection connection = new XMPPTCPConnection("mtucker", "password", "jabber.org");
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connection.connect().login();
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Chat chat = ChatManager.getInstanceFor(connection)
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.createChat("jsmith@jivesoftware.com", new MessageListener() {
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@Override
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public void processMessage(Chat chat, Message message) {
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System.out.println("Received message: " + message);
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}
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});
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chat.sendMessage("Howdy!");
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```
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* Doesn't force you to code at the packet level, as other libraries do. Smack provides intelligent higher level constructs such as the `Chat` and `Roster` classes, which let you program more efficiently.
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* Does not require that you're familiar with the XMPP XML format, or even that you're familiar with XML.
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* Provides easy machine to machine communication. Smack lets you set any number of properties on each message, including properties that are Java objects.
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* Open Source under the Apache License, which means you can incorporate Smack into your commercial or non-commercial applications.
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About XMPP
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----------
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XMPP (eXtensible Messaging and Presence Protocol) is an open protocol
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standardized by the IETF and supported and extended by the XMPP Standards
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Foundation (XSF, [http://www.xmpp.org](http://www.xmpp.org)).
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How To Use This Documentation
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-----------------------------
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This documentation assumes that you're already familiar with the main features
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of XMPP instant messaging. It's also highly recommended that you open the
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Javadoc API guide and use that as a reference while reading through this
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documentation.
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Copyright (C) Jive Software 2002-2008
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