@GET
  @Path("/{serverName}/segments")
  @Produces(MediaType.APPLICATION_JSON)
  public Response getServerSegments(
      @PathParam("serverName") String serverName, @QueryParam("full") String full) {
    Response.ResponseBuilder builder = Response.status(Response.Status.OK);
    DruidServer server = serverInventoryView.getInventoryValue(serverName);
    if (server == null) {
      return Response.status(Response.Status.NOT_FOUND).build();
    }

    if (full != null) {
      return builder.entity(server.getSegments().values()).build();
    }

    return builder
        .entity(
            Collections2.transform(
                server.getSegments().values(),
                new Function<DataSegment, String>() {
                  @Override
                  public String apply(DataSegment segment) {
                    return segment.getIdentifier();
                  }
                }))
        .build();
  }
 private static Map<String, Object> makeFullServer(DruidServer input) {
   return new ImmutableMap.Builder<String, Object>()
       .put("host", input.getHost())
       .put("maxSize", input.getMaxSize())
       .put("type", input.getType())
       .put("tier", input.getTier())
       .put("priority", input.getPriority())
       .put("segments", input.getSegments())
       .put("currSize", input.getCurrSize())
       .build();
 }