Java functional interfaces reference
This post is a quick reference on the built-in functional interfaces available in the Java API.
Programming
This is my collection of posts about programming.
Should HTTP PUT create a resource if it does not exist?
This post explores whether a PUT request should be used for creating resources or not.
100k reputation points on Stack Overflow
Yesterday I readed 100k reputation points on Stack Overflow, and it feels like a significant milestone in my journey as a software engineer.
Combining the Jackson Streaming API with ObjectMapper for parsing JSON
This post demonstrates how to combine Jackson Streaming API and the data binding capabilities provided by ObjectMapper to parse JSON content.
Comparing JSON documents in Java with JSON‑P
In a previous post, I demonstrated how to compare JSON documents using Jackson and Gson, taking advantage of Java 8 streams and Guava for comparing the documents as flat maps. In this post, I approach the comparison of JSON documents from another perspective, using JSON-P, also known as Java API for JSON Processing.
Log aggregation with Spring Boot, Elastic Stack and Docker
This post demonstrates how to use Elastic Stack along with Docker to collect, process, store, index and visualize logs of Spring Boot microservices.
Asserting exceptions in JUnit
This post explores some techniques for asserting exceptions in Java with JUnit.
Using HTTP PATCH in Spring
This post demonstrates an approach to support HTTP PATCH in Spring.
Comparing JSON documents in Java
My insights on comparing JSON documents in Java.
Maven cheat sheet
A compilation of some Maven commands for quick reference.
Stop using the RFC 2616
Still using the RFC 2616 as reference for the HTTP/1.1 protocol? Please stop!
Customizing ObjectMapper in a JAX-RS application
Using Jackson with JAX-RS? See how to define a ContextResolver for ObjectMapper to customize serialization and deserialization.
Getting known JSON properties from a class using Jackson
Using the Jackson API to introspect a Java class and extract the available JSON properties from it.
Cross field validation with Bean Validation
Writing a custom validator to validate multiple fields.
Deserializing JSON property as String with Jackson
Writing a custom deserializer to read a JSON property as String with Jackson.
Creating web application with Spring Boot and Jersey
Example of how to create a standalone application with Jersey with Spring Boot.
Converting POJO to Map and vice versa with Jackson
Jackson API makes it easy to covert Java objects to a map instance and vice versa.
Which HTTP status codes are cacheable?
A summary of the HTTP status codes defined as cacheable, according to the RFC 7231.
Performing action when web application is starting and shutting down
Examples of how to execute operations when the application starts up or shuts down using Servlets, CDI and EJB.
Using Jackson as JSON provider in Jersey 2.x
Using Jackson, a popular JSON parser for Java, in Jersey applications.
Using Jackson and JSON Pointer to query and parse an arbitrary JSON node
Example of how to use JSON Path with Jackson.
Why you should use DTOs in your REST API
Why you should consider using Data Transfer Objects instead of persistence models in your REST API.
Types that can be injected with @Context in JAX-RS 2.0
A summary of all types that can be injected with @Context in JAX-RS resources and providers.
Give better names to your DTOs
Ideas of meaningful names for your DTOs.
Adding Maven dependencies to Arquillian test
Using ShrinkWrap resolvers to add Maven dependencies to Arquillian tests.
Token-based authentication with JAX-RS 2.0
How to perform authentication with tokens in JAX-RS applications.