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    <p>You need to define an <code>AbstractBinder</code> and register it in your JAX-RS application. The binder specifies how the dependency injection should create your classes.</p> <pre class="lang-java prettyprint-override"><code>public class MyApplicationBinder extends AbstractBinder { @Override protected void configure() { bind(MyService.class).to(MyService.class); } } </code></pre> <p>When <code>@Inject</code> is detected on a parameter or field of type <code>MyService.class</code> it is instantiated using the class <code>MyService</code>. To use this binder, it need to be registered with the JAX-RS application. In your <code>web.xml</code>, define a JAX-RS application like this:</p> <pre class="lang-xml prettyprint-override"><code>&lt;servlet&gt; &lt;servlet-name&gt;MyApplication&lt;/servlet-name&gt; &lt;servlet-class&gt;org.glassfish.jersey.servlet.ServletContainer&lt;/servlet-class&gt; &lt;init-param&gt; &lt;param-name&gt;javax.ws.rs.Application&lt;/param-name&gt; &lt;param-value&gt;com.mypackage.MyApplication&lt;/param-value&gt; &lt;/init-param&gt; &lt;load-on-startup&gt;1&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;MyApplication&lt;/servlet-name&gt; &lt;url-pattern&gt;/*&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; </code></pre> <p>Implement the <code>MyApplication</code> class (specified above in the <code>init-param</code>).</p> <pre class="lang-java prettyprint-override"><code>public class MyApplication extends ResourceConfig { public MyApplication() { register(new MyApplicationBinder()); packages(true, "com.mypackage.rest"); } } </code></pre> <p>The binder specifying dependency injection is registered in the constructor of the class, and we also tell the application where to find the REST resources (in your case, <code>MyResource</code>) using the <code>packages()</code> method call.</p>
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    1. PODependency injection with Jersey 2.0
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    1. COWhat about the EntityManager? Any hint how to bind it, so I can Inject it via @PersistenceContext ?
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      1. USJohannes Staehlin
    2. COI'm not sure what `EntityManager` is, but judging by http://docs.oracle.com/javaee/6/api/javax/persistence/EntityManager.html it seems to be an interface. You can bind it using `bind(EntityManagerImpl.class).to(EntityManager.class)` (which will bind a class `EntityManagerImpl` implementing the interface `EntityManager`. If you need to use a factory, take a look at `bindFactory()` in the `AbstractBinder`. If you need help with this, please create a new question (I won't have room to answer it in the comments). Also, I'm not sure you should use @PersistentContext, just use @Inject for everything
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    3. COYeah, EntityManager is JPA (Java EE) specific. Thanks for you comment, I will open another question if I run into a specific problem!
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