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POInjecting into a Jersey Resource class
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  1. POInjecting into a Jersey Resource class
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    copied!<p>I did try going through the following links <a href="https://stackoverflow.com/questions/7121445/how-to-wire-in-a-collaborator-into-a-jersey-resource">How to wire in a collaborator into a Jersey resource?</a> and <a href="https://stackoverflow.com/questions/7510874/access-external-objects-in-jersey-resource-class">Access external objects in Jersey Resource class</a> But still i am unable to find a working sample which shows how to inject into a Resource class. I am not using Spring or a web container.</p> <p><strong>My Resource is</strong></p> <pre><code>package resource; import javax.ws.rs.FormParam; import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.Path; import javax.ws.rs.Produces; @Path("/something") public class Resource { @MyResource Integer foo = null; private static String response = "SampleData from Resource"; public Resource() { System.out.println("...constructor called :" + foo); } @Path("/that") @GET @Produces("text/plain") public String sendResponse() { return response + "\n"; } } </code></pre> <p><strong>My Provider is</strong></p> <pre><code>package resource; import javax.ws.rs.ext.Provider; import com.sun.jersey.core.spi.component.ComponentContext; import com.sun.jersey.core.spi.component.ComponentScope; import com.sun.jersey.spi.inject.Injectable; import com.sun.jersey.spi.inject.InjectableProvider; @Provider public class MyResourceProvider implements InjectableProvider&lt;MyResource, Integer&gt; { @Override public ComponentScope getScope() { return ComponentScope.PerRequest; } @Override public Injectable getInjectable(final ComponentContext arg0, final MyResource arg1, final Integer arg2) { return new Injectable&lt;Object&gt;() { @Override public Object getValue() { return new Integer(99); } }; } } </code></pre> <p><strong>My EndpointPublisher is</strong></p> <pre><code>import java.util.HashMap; import java.util.Map; import javax.ws.rs.core.MediaType; import com.sun.jersey.api.client.Client; import com.sun.jersey.api.client.ClientResponse; import com.sun.jersey.api.client.WebResource; import com.sun.jersey.api.container.grizzly.GrizzlyWebContainerFactory; class EndpointPublisher { public static void main(final String[] args) { final String address = "http://localhost:8080/"; final Map&lt;String, String&gt; config = new HashMap&lt;String, String&gt;(); config.put("com.sun.jersey.config.property.packages", "resource"); try { GrizzlyWebContainerFactory.create(address, config); System.out.println("server started ....." + address); callGet(); } catch (final Exception e) { e.printStackTrace(); } } public static void callGet() { Client client = null; ClientResponse response = null; client = Client.create(); final WebResource resource = client.resource("http://localhost:8080/something"); response = resource.path("that") .accept(MediaType.TEXT_XML_TYPE, MediaType.APPLICATION_XML_TYPE) .type(MediaType.TEXT_XML) .get(ClientResponse.class); System.out.println("&gt;&gt;&gt;&gt; " + response.getResponseDate()); } } </code></pre> <p><strong>My annotation being</strong></p> <pre><code>@Retention(RetentionPolicy.RUNTIME) public @interface MyResource {} </code></pre> <p>But when i execute my EndpointPublisher i am unable to inject foo!!</p>
 

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