Request version

src/main/java/university/at/jku/ce/resource/VersionResource.java

+package university.at.jku.ce.resource;
+
+import university.at.jku.ce.exception.ExceptionParam;
+
+import javax.annotation.security.PermitAll;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.*;
+import java.util.HashMap;
+
+@Path("/version")
+public class VersionResource {
+
+	@PermitAll
+	@GET
+	@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+	public Response getUsers(@Context HttpHeaders headers) {
+		System.out.println("Version requested");
+		ExceptionParam.setMediaType(headers.getMediaType());
+		HashMap<String, String> versionNumber = new HashMap<>();
+		versionNumber.put("version", "2.0");
+		GenericEntity<HashMap<String, String>> entity = new GenericEntity<HashMap<String, String>>(versionNumber) {
+		};
+		return Response.ok(entity).build();
+	}
+
+
+}