DWR version 3.0 Release Candidate 1

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DWR version 3.0 has reached release candidate 1. Here's what's new right from Joe Walker's Blog:

  • RPC Enhancements
    • Varargs support
    • Method overloading (DWR tries to copy Java's method matching rules)
    • Typed parameters (so you can say new Apple() in JavaScript and pass it to the addFruit() method and DWR will instantiate the correct type on the server)
    • Lightweight typed parameters (as above, but by adding $dwrClassName:"Apple", for when you are getting the objects from something else)
    • More natural synchronous XHR (so you can call var reply = Remote.getData() when doing 'Sjax')
  • Improved Marshalling
    • Binary file upload/download (byte[], java.awt.BufferedImage, InputStream etc and FileTransfer can be uploaded from an input type=file, offered for download, or sent to an img)
    • Functions (Store a reference to a JavaScript function on the server for later execution)
    • Objects by Reference (Store a reference to a JavaScript object, and then call methods on that)
    • Locale, Currency (DWR will marshal to and from java.util.Locale and java.util.Currency objects)
  • Reverse Ajax
    • JavaScript can now implement a Java interface (For simple integration with Java Events/Listeners)
    • More scalable Reverse Ajax APIs (See org.directwebremoting.Browser)
    • DOM Manipulation Library (Window and Document can now be manipulated from the server)
    • The server now runs in 3 modes: stateless (New - save memory with no page tracking), passiveReverseAjax (the default) and activeReverseAjax (comet enabled)
  • TIBCO GI Integration
    • Complete set of Reverse Ajax Proxy APIs (So you can manipulate your GI user interface from Java on the server)
  • Dojo Integration
    • Data Store (Keep a server side data store in sync with data in a client browser with both sides able to send updates. The data store also supports paging, sorting and filtering)
    • Packaging Integration (dojo.require all your DWR scripts)
  • Server Support
    • Asynchronous servlet support for Tomcat and Glassfish
    • Improved Spring and Guice support
  • Over the wire
    • JSONP support
    • JSON-RPC support
  • Tech Previews
    • JMS Integration (Publish to the browser directly from JMS)
    • Jaxer Integration (Zero configuration for trusted environments)
  • Infrastructure
    • SVN (We've moved from CVS to SVN)
    • Related Projects (Our repository contains a set of related projects including a number of demos)
    • CLA (We've been through a legal review and have signed CLAs for dwr.jar)
    • Dojo Foundation (We joined the Dojo Foundation and are now hosted by their servers)
    • Better Documentation (DWR version 1.x had great docs. Version 2.x let things slide a bit, but we've dropped Drupal, and have our own system now)
    • You can download it here.

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