HTTP
- Understand the HTTP protocol
- HTTP request operations
- HTTP response codes
- MIME types
- Understand the HTTPS hand-shake
REST
- Understand the REST web services design idea
- REST resource URIs
- REST operations
- Sub-resource URIs
- REST anti-patterns to avoid
SOAP
- What is SOAP
- Whats is WSDL
- Sample SOAP request and response
- Understand why SOAP is not used any more
Payload Encoding
- Open-source libraries for XML
- Open-source libraries for JSON
- Overview of Simple XML
- Parsing XML
- Generating XML
- Overview of GSON
- Parsing JSON
- Generating JSON
- Using CSV as the payload encoding
- Using Java Properties format as the payload encoding
Web Services CLI Tools
- Why use CLI tools
- cURL - standard HTTP tool
- HTTPie - smart REST-WS tool
- jq - smart JSON processing
- json-server - quick back-end server
- JSON PlaceHolder - fake back-end server
Java HTTP Client Invocations
- Class URL
- Class URLConnection
- Class HttpURLConnection
- Fetching data via HTTP GET
- Pushing data via HTTP POST
- Using HTTP PUT/PATCH/DELETE
Java REST Client Tools
- Using David-Webb
- Using RESTy
Setting up a Spark-Java Server
- Overview of Spark-Java
- Installation
- Setting up routes
- Handling JSON payload in the response
- Handling JSON payload in the request
- Designing CRUD REST operations
- Dealing with exceptions
- Best pratices
Groovy, Grails & Spock
- Quick intro & motivation why using Groovy tools might be a good idea
- Groovy - a super-set of Java (as in Java++)
- Grails - a framework built on Spring & Hibernate, to create web-apps quickly
- Spock - a versatile testing framework
- Groovy REST-WS client
AJAX
- What is AJAX
- What is asynchronous processing in JavaScript
- Understanding XMLHttpRequest
- Brief about jQuery
CORS
- What is CORS
- Request & response CORS headers
- Understanding CORS pre-fligth operations
- CORS client-server interaction
Annotations Based REST-WS with JAX-RS
- What is JAX-RS
- Resource annotations
- HTTP method operations
- URI paramters
- Method parameter annotations
- JAX-RS implementations
- Using Jersy
- Jersey payload encoding alternatives for JSON & XML
- Using JSON-P
- Using Moxy
- Using a Grizzly embedded HTTP server for a Jersy app
- CRUD operations in JAX-RS @ Jersy
Generated RES-WS Documentation with Swagger
- What is Swagger
- The Swagger architecture
- Swagger JSON specification file
- Swagger Editor
- Swagger UI web-app
- API annotations
- How to create a REST-WS Jersey web-app with automatic and interactive documentation by Swagger
Authentication using JWT
- What is a web token
- How does JWT authentication work
- Installation of jjwt
- Using Java JWT
- Typical use cases
- Augmenting spark with an JWT authentication filter
- Authentication online services
Authentication using OATH and a 3rd party
- What is OAUTH
- How can a user logon to my site by authenticating somewhere else
- Installing of the SocialAuth Java library
- Using Google as the provider
- Setting up Spark-Java for 3rd party authentication