Joy Foster

All posts by Joy Foster

1. Build Single Sign-on in Java

   January 29, 2020 |

   11 min read

   In modern app development, you quite frequently have a single resource server that provides data to multiple client applications. These applications may share a similar set of users, but need to enforce different permissions. For example, it's possible that not all users of the first application should be allowed to…

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2. Servlet Authentication with Java

   July 22, 2019 |

   6 min read

   It can be very satisfying to build an application "the hard way", using few conveniences. This approach helps you understand core development principles and the inner workings of everyday abstractions. That's why today, you'll build an application from the ground up using Java Servlets with a login form.

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3. Use Spring Boot and MySQL to go Beyond Authentication

   July 3, 2019 |

   10 min read

   In this post, we will walk through how to build a simple CRUD application using Spring Boot, MySQL, JPA/Hibernate and Okta OpenID Connect (OIDC) Single Sign-On (SSO).

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4. Test Your Spring Boot Applications with JUnit 5

   March 28, 2019 |

   11 min read

   In this post, you'll walk through how to build a simple Spring Boot application and test it with Junit 5. An application without testing is the proverbial Pandora's Box. What good is your application if you don't know that it will work under any condition? Adding a suite of tests…

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