The step-by-step guide for SpringBoot and Spring

Initially based on the students' questions during conducting Java BootCamp in IBA Tech Academy

Prerequisites

• Java Core
• Java 8
• OOP
• Maven
• ...
• a bit of a life experience and patience :)

Content

• please see corresponding readme.md files in appropriate sub-folders
• step0 :: intro to spring
• step01 :: request mapping
• step02 :: thymeleaf template engine
• step03 :: parameters binding (request param, request body, path fragment)

...

• step05 :: application structure, dependency injection 3 different ways
• step06 :: consuming POST
  • Params
  • Http Forms
  • JSON body
  • File Uploading
  • File Downloading

...

• step08 :: redirect different ways, passing data

...

• step10 :: Heroku deployment (actually separate project)
• step11 :: Exceptions handling

...

• step13 :: HttpSession #1 - Basics + Attributes + Spring.
• step14 :: HttpSession #2 - Real Word example.
• step15 :: HttpSession $3 - Spring MVC + Spring Data. Example from Book "Spring in Action".

...

• step20 :: validation: form validation. dto validation. programmatic validation. custom validation
• step21 :: spring data. basics. intro
• step22 :: spring data. relations. 1:1 (1 Person entity has a relation with 1 Extra entity)
• step22a :: implementation via FK
• step22b :: implementation via shared PK
• step22c :: implementation via 3rd table
• step23 :: spring data. relations. 1:N (1 Person entity has a relation with N Phone entity)
• step23a :: implementation via FK
• step23b :: implementation via 3rd table
• step24 :: spring data. relations. M:N (M Author entities have a relations with N Book entities) implementation via 3rd table
• step24a :: bidirectional (authors >-< books) via one reference table
• step24b :: unidirectional (author -< books + authors >- book) via two reference tables
• step24d :: spring data. relations. M:N. working with data. (insertion data/relation, deletion data/relations)
• step24e :: spring data. relations. M:N. working with data. (data selection)
• step26a :: spring data. metadata/data initialization by JPA (schema.sql + data.sql)
• step26b :: spring data. metadata/data manage by liquibase

...

• step29 :: parsing with JSoup
• step30s :: HttpRequest by Spring RestTemplate. Server
• step30c :: HttpRequest by Spring RestTemplate. Client
• step30fc :: Client. SpringCloud. FeignClient
• step31 :: Spring Security. intro.
• step32 :: Spring Security. dependency.
• step33 :: Spring Security. users hardcoded.
• step34 :: Spring Security. users in the class.
• step35 :: Spring Security. users in the class. password encoded.
• step36 :: Spring Security. users in the database.
• step37 :: Spring Security. users in the database without fetching all by implementing UserDetailsService.
• step37 :: Spring Security. custom UserDetails, custom UserDetailsService (step 37 polished).
• step38 :: Spring Security. authorization configuration.
• step39 :: Spring Security. extra configuration examples.
• step41 :: Spring Security. Secure your API. basic idea.
• step42 :: Spring Security. Secure your API. Stateless implementation base on JWT-token.
• step43 :: Spring Security. Secure your API. get rid of MVC part + static resources mappings.

Links

• Spring official how-tos docs.spring.io
• Spring official guides: spring.io/guides
• Excellent resource about persistence: Vlad Mihalcea's Blog
• 1:N
• One more resource about Hibernate: Thorben Janssen's Blog
• Cool tool: Vlad CLI
• Baeldung site with enormous amount of useful information: www.baeldung.com
• Official repositories to the book Spring in Action 5: github.com/habuma
• Spring Data Reference

TODO:

• actuator:
• web socket: https://github.com/alexr007/websocket.git
• validation: https://github.com/spring-guides/gs-validating-form-input.git
• oauth2: https://github.com/spring-guides/tut-spring-boot-oauth2.git