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I write posts on Java, Concurrency, Design patterns, Spring Boot, React and anything that I learn on technology.

Latest Posts - Page 5

Spring Framework - What is PropertyPlaceHolderConfigurer?

24 Apr, 2017

We will externalize the properties used in the application in a property file and will use PropertyPlaceHolderConfigurer to resolve the placeholder at application startup time.

Tags:

Spring Framework, Spring Core PropertyPlaceHolderConfigurer

Spring Security - How to use Digest Authentication?

14 Mar, 2017

This authentication method makes use of a hashing algorithms to encrypt the password (called password hash) entered by the user before sending it to the server. This, obviously, makes it much safer than the basic authentication method, in which the user’s password travels in plain text (or base64 encoded) that can be easily read by whoever intercepts it.

Tags:

Spring Framework, Spring Security, Spring Boot, Spring Security Digest Authentication example, Digest Authentication Example

Spring Security - How to use Basic Authentication?

14 Mar, 2017

It’s simplest of all techniques and probably most used as well. You use login/password forms – it’s basic authentication only. You input your username and password and submit the form to server, and application identify you as a user – you are allowed to use the system – else you get error.

Tags:

Spring Framework, Spring Security, Spring Boot, Spring Security Basic Authentication example, Basic Authentication Example

Spring Boot - Spring Data JPA with embedded database

07 Mar, 2017

We will create a Restful web-services which will use JPA to persist the data in the embedded database(h2).

Tags:

Spring Framework, Spring Boot, Spring Boot starters, Spring Data JPA, Restful webservices with Spring Boot

Spring Boot - Restful webservices with Jersey

19 Feb, 2017

In this post, we will create Restful webservices with Jersey deployed on embedded Undertow server as a Spring Boot Application.

Tags:

Spring Framework, Spring Boot, Restful webservices with Jersey, Spring Boot Jersey example

Spring Boot - ApplicationRunner vs CommandLineRunner

17 Feb, 2017

Spring Boot provides two interfaces CommandLineRunner and ApplicationRunner to run specific piece of code when application is fully started. These interfaces get called just before run() on SpringApplication completes.

Tags:

Spring Framework, Spring Boot, Spring Boot ApplicationRunner, Spring Boot CommandLineRunner, Spring Boot ApplicationRunner vs CommandLineRunner