Add a new book:

curl http://localhost:8080/ -X POST -H "Content-type: text/plain" -v -d @sample/easy_parser_router/new_book_1.txt

Update an existing book:

curl http://localhost:8080/3 -X PUT -v -d @sample/easy_parser_router/new_book_2.txt

Delete an existing book:

curl http://localhost:8080/3 -X DELETE

