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Redirect to Different Pages after Login with Spring Security 1. Overview A common requirement for a web application is to redirect different types of users to different pages after login. An example of this would be redirecting standard users to a /homepage.html page and admin users to a /console.html page… Continue Reading spring_redirect_after_login
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Spring Data Java 8 Support 1. Overview Spring Data now supports core Java 8 features – such as Optional, Stream API and CompletableFuture. In this quick article, we’ll go through some examples of how we can use these with the framework. 2. Optional Let’s start with the CRUD repository methods… Continue Reading spring-data-java-8
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Java Weekly, Issue 216 Here we go… 1. Spring and Java ===== >> Monitor and troubleshoot Java applications and services with Datadog Sponsored Optimize performance with end-to-end tracing and out-of-the-box support for popular Java frameworks, application servers, and databases. Try it free. >> Spring Cloud Contract in a polyglot world… Continue Reading java-weekly-216
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Guide to Spring Data LDAP 1. Introduction In this article, we’ll focus on Spring Data LDAP integration and configuration. For a step by step introduction to Spring LDAP, have a quick look at this article. Also, you can find the overview of Spring Data JPA guide here. 2. Maven Dependency… Continue Reading spring-data-ldap
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Spring MVC @PathVariable with a dot (.) gets truncated 1. Overview In this short tutorial, we’ll discuss a common problem when working with Spring MVC – when using a Spring @PathVariable with a @RequestMapping to map the end of a request URI that contains a dot, we’ll end up with a partial value in our… Continue Reading spring-mvc-pathvariable-dot
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Guide to Guava RangeMap 1. Overview In this tutorial, we’ll show how to use the Google Guava’s RangeMap interface and its implementations. A RangeMap is a special kind of mapping from disjoint non-empty ranges to non-null values. Using queries, we may look up the value for any particular range in… Continue Reading guava-rangemap
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Introduction to the Java 8 Date/Time API 1. Overview Java 8 introduced new APIs for Date and Time to address the shortcomings of the older java.util.Date and java.util.Calendar. As part of this article, let’s start with the issues in the existing Date and Calendar APIs and let’s discuss how the… Continue Reading java-8-date-time-intro
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Using JDBI with Spring Boot 1. Introduction In a previous tutorial, we covered the basics of JDBI, an open-source library for relational database access that removes much of the boilerplate code related to direct JDBC usage. This time, we’ll see how we can use JDBI in a Spring Boot application.… Continue Reading spring-boot-jdbi
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Double-Checked Locking with Singleton 1. Introduction In this tutorial, we’ll talk about the double-checked locking design pattern. This pattern reduces the number of lock acquisitions by simply checking the locking condition beforehand. As a result of this, there’s usually a performance boost. Let’s take a deeper look at how it… Continue Reading java-singleton-double-checked-locking
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Apache Commons Chain 1. Introduction Apache Commons Chain is a library that uses the Chain of Responsibility pattern – generally used for organizing complex processing flows in which multiple receivers can process a request. In this quick article, we’ll go through an example representing a withdrawal from an ATM. 2.… Continue Reading apache-commons-chain
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