extract values from request specification rest assured
Java :
RequestSpecification requestSpec= RestAssured.given().baseUri("Some Base URI").basePath("/SomeBasePath");
requestSpec.get();
QueryableRequestSpecification queryRequest = SpecificationQuerier.query(requestSpec);
String retrieveURI = queryRequest.getBaseUri();
System.out.println("Base URI is : "+retrieveURI);
String retrievePath = queryRequest.getBasePath();
System.out.println("Base PATH is : "+retrievePath);