implement simple proxy resource

service/pom.xml

@@ -45,5 +45,10 @@
                 </exclusion>
             </exclusions>
         </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>4.5.1</version>
+        </dependency>
     </dependencies>
 </project>
\ No newline at end of file

service/service.iml

@@ -92,5 +92,9 @@
     <orderEntry type="library" name="Maven: net.sourceforge.argparse4j:argparse4j:0.6.0" level="project" />
     <orderEntry type="library" name="Maven: org.eclipse.jetty.toolchain.setuid:jetty-setuid-java:1.0.3" level="project" />
     <orderEntry type="library" name="Maven: com.google.inject:guice:4.0" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.httpcomponents:httpclient:4.5.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.httpcomponents:httpcore:4.4.3" level="project" />
+    <orderEntry type="library" name="Maven: commons-logging:commons-logging:1.2" level="project" />
+    <orderEntry type="library" name="Maven: commons-codec:commons-codec:1.9" level="project" />
   </component>
 </module>
\ No newline at end of file

service/src/main/java/CTFApplication.java

 import Repository.TasksRepository;
 import Repository.TeamsRepository;
 import Repository.UsersRepository;
+import api.ProxyResource;
 import api.TasksResource;
 import api.TeamsResource;
 import com.google.inject.AbstractModule;
@@ -73,6 +74,7 @@ public class CTFApplication extends Application<ApplicationConfiguration> {
 //        environment.jersey().register(new UsersResource(usersRepository));
         environment.jersey().register(new TeamsResource(teamsRepository));
         environment.jersey().register(new TasksResource(tasksRepository));
+        environment.jersey().register(new ProxyResource());
     }
 
     private Injector createInjector(UsersRepository usersRepository) {

service/src/main/java/api/ProxyResource.java

+package api;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Created by gpietrus on 16.02.16.
+ */
+@Path(value = "/proxy")
+@Produces(MediaType.APPLICATION_JSON)
+public class ProxyResource
+{
+    @GET
+    @Produces("text/html; charset=UTF-8")
+    public InputStream foo() throws IOException {
+        CloseableHttpClient httpClient = HttpClients.createDefault();
+        HttpGet httpget = new HttpGet("http://onet.pl");
+        CloseableHttpResponse execute = httpClient.execute(httpget);
+        HttpEntity entity = execute.getEntity();
+        return entity.getContent();
+    }
+}