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Converting a String to a Date in Groovy 1. Overview In this short tutorial, we’ll learn how to convert a String representing a date into a real Date object in Groovy. However, we should keep in mind that this language is an enhancement of Java. Therefore, we can still use… Continue Reading groovy-string-to-date
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Enabling TLS v1.2 in Java 7 1. Overview When it comes to SSL connections, we should be using TLSv1.2. Indeed, it’s the default SSL protocol for Java 8. And while Java 7 supports TLSv1.2, the default is TLS v1.0, which is too weak these days. In this tutorial, we’ll discuss various… Continue Reading java-7-tls-v12
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Implementing The OAuth 2.0 Authorization Framework Using Java EE 1. Overview In this tutorial, we’re going to provide an implementation for the OAuth 2.0 Authorization Framework using Java EE And MicroProfile. Most importantly, we’re going to implement the interaction of the OAuth 2.0 roles through the Authorization Code grant type.… Continue Reading java-ee-oauth2-implementation
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Adding Roles and Privileges To the Reddit App 1. Overview In this installment, we’ll introduce simple roles and privileges into our Reddit app, to then be able to do some interesting things such as – limit how many posts a normal user can schedule to Reddit daily. And since we’re… Continue Reading reddit-app-roles-and-privileges
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Hibernate Interceptors 1. Overview In this discussion, we’ll look at various ways of intercepting operations within Hibernate’s abstracted relational mapping implementation. 2. Defining Hibernate Interceptors The Hibernate Interceptor is an interface that allows us to react to certain events within Hibernate. These interceptors are registered as callbacks and provide communication… Continue Reading hibernate-interceptor
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Sorting with JPA 1. Overview This article illustrates the various way JPA can be used for sorting. Further reading: Spring Data JPA @Query Learn how to use the @Query annotation in Spring Data JPA to define custom queries using JPQL and native SQL. Read more → JPA Attribute Converters Take… Continue Reading jpa-sort
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Guide to Spring Session 1. Overview Spring Session has the simple goal of free up session management from the limitations of the HTTP session stored in the server. The solution makes it easy to share session data between services in the cloud without being tied to a single container (i.e.… Continue Reading spring-session
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Spring Data JPA @Query 1. Overview Spring Data provides many ways to define a query that we can execute. One of these is the @Query annotation. In this tutorial, we’ll demonstrate how to use the @Query annotation in Spring Data JPA to execute both JPQL and native SQL queries. Also, we’ll… Continue Reading spring-data-jpa-query
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Serverless Functions with Spring Cloud Function 1. Introduction In this tutorial, we’ll learn how to use Spring Cloud Function. We’ll build and run a simple Spring Cloud Function locally and then deploy it to AWS. 2. Spring Cloud Function Setup To start with, let’s implement from scratch and test a simple… Continue Reading spring-cloud-function
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Spring Yarg Integration 1. Overview Yet Another Report Generator (YARG) is an open source reporting library for Java, developed by Haulmont. It allows creating templates in most common formats (.doc, .docs, .xls, .xlsx, .html, .ftl, .csv) or custom text formats and filling it with data loaded by SQL, Groovy, or… Continue Reading spring-yarg
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