package com.baeldung; import static spark.Spark.after; import static spark.Spark.before; import static spark.Spark.delete; import static spark.Spark.get; import static spark.Spark.post; import static spark.Spark.port; import com.baeldung.domain.Book; import com.baeldung.service.LibraryService; public class Router { public static void main( String[] args ){ port(8080); before((request, response) -> { //do some filtering stuff }); after((request, response) -> { response.type("application/json"); }); get("ListOfBooks", (request, response) -> { return LibraryService.view(); }); get("SearchBook/:title", (request, response) -> { return LibraryService.view(request.params("title")); }); post("AddBook/:title/:author/:publisher", (request, response) -> { Book book = new Book(); book.setTitle(request.params("title")); book.setAuthor(request.params("author")); book.setPublisher(request.params("publisher")); return LibraryService.add(book); }); delete("DeleteBook/:title", (request, response) -> { return LibraryService.delete(request.params("title")); }); } }