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| <h1>Wicket 6.0.0-beta2 released</h1> |
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| <p class="meta">29 May 2012</p> |
| <p>The Wicket team is proud to announce the second beta release of the Wicket 6.x series. |
| This release brings over many improvements over the 1.5.x series.</p> |
| |
| <h3 id="new-and-noteworthy">New and Noteworthy</h3> |
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| <h4 id="wicket-atmosphere">Wicket Atmosphere</h4> |
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| <p>The Beta 2 contains a new experimental module Wicket Atmosphere, which brings serverside push to Wicket and provides a great way to render serverside markup and send it to the browsers of your users. Check out the atmosphere example in our Examples project to see it in action.</p> |
| |
| <p>In your application’s init method you need to register the push event bus:</p> |
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| <figure class="highlight"><pre><code class="language-java" data-lang="java"><span class="k">new</span> <span class="nc">EventBus</span><span class="o">(</span><span class="k">this</span><span class="o">);</span></code></pre></figure> |
| |
| <p>Somewhere where you want to push your changes to the client, you need to publish your event to the push <code class="language-plaintext highlighter-rouge">EventBus</code>:</p> |
| |
| <figure class="highlight"><pre><code class="language-java" data-lang="java"><span class="nc">EventBus</span><span class="o">.</span><span class="na">get</span><span class="o">().</span><span class="na">post</span><span class="o">(</span><span class="n">input</span><span class="o">.</span><span class="na">getModelObject</span><span class="o">());</span></code></pre></figure> |
| |
| <p>And finally you need to subscribe your page (or component) to the <code class="language-plaintext highlighter-rouge">EventBus</code>’s events with <code class="language-plaintext highlighter-rouge">@Subscribe</code>, taking in the typed parameter you post to the EventBus (in this case a <code class="language-plaintext highlighter-rouge">String</code>):</p> |
| |
| <figure class="highlight"><pre><code class="language-java" data-lang="java"><span class="nd">@Subscribe</span> |
| <span class="kd">public</span> <span class="kt">void</span> <span class="nf">receiveMessage</span><span class="o">(</span><span class="nc">AjaxRequestTarget</span> <span class="n">target</span><span class="o">,</span> <span class="nc">String</span> <span class="n">message</span><span class="o">)</span> <span class="o">{</span> |
| <span class="n">label</span><span class="o">.</span><span class="na">setDefaultModelObject</span><span class="o">(</span><span class="n">message</span><span class="o">);</span> |
| <span class="n">target</span><span class="o">.</span><span class="na">add</span><span class="o">(</span><span class="n">label</span><span class="o">);</span> |
| <span class="o">}</span></code></pre></figure> |
| |
| <p>To be able to use Wicket Atmosphere you need to include the following dependency:</p> |
| |
| <figure class="highlight"><pre><code class="language-xml" data-lang="xml"><span class="nt"><dependency></span> |
| <span class="nt"><groupId></span>org.apache.wicket<span class="nt"></groupId></span> |
| <span class="nt"><artifactId></span>wicket-atmosphere<span class="nt"></artifactId></span> |
| <span class="nt"><version></span>0.1<span class="nt"></version></span> |
| <span class="nt"></dependency></span></code></pre></figure> |
| |
| <p>Please note that this is still experimental.</p> |
| |
| <h3 id="this-release">This release</h3> |
| |
| <p>Check the <a href="https://cwiki.apache.org/confluence/display/WICKET/Wicket+6.0+Roadmap">roadmap</a> with a list of the major goals. |
| And the <a href="https://cwiki.apache.org/confluence/display/WICKET/Migration+to+Wicket+6.0">migration guide</a> with all major and some minor changes between 1.5.x and 6.x series.</p> |
| |
| <p>The Jira changelog of all closed ticket at <a href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310561&version=12320343">Jira</a></p> |
| |
| <p>To use it in Maven:</p> |
| |
| <figure class="highlight"><pre><code class="language-xml" data-lang="xml"><span class="nt"><dependency></span> |
| <span class="nt"><groupId></span>org.apache.wicket<span class="nt"></groupId></span> |
| <span class="nt"><artifactId></span>wicket-core<span class="nt"></artifactId></span> |
| <span class="nt"><version></span>6.0.0-beta2<span class="nt"></version></span> |
| <span class="nt"></dependency></span></code></pre></figure> |
| |
| <p>If you don’t use a dependencies management build tool then you can download the <a href="http://www.apache.org/dyn/closer.cgi/wicket/6.0.0-beta2">full distribution</a> (including source).</p> |
| |
| <p>There are no more planned API breaks but if you find something that can be made better now it the time to discuss it! |
| We will try to avoid making any API changes in the Release Candidates that will follow this beta release.</p> |
| |
| <p>Any feedback about the new features, their implementation and their documentation is very welcome!</p> |
| |
| <p>The Wicket team!</p> |
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