1. Overview of Spring Security Integration with Grails Spring Security touts a number of authentication, authorization, instance-based, and various other features that make it so attractive to secure applications with. With this in mind, due to Grails use of Spring’s Inversion of Control Framework and MVC setup, developers sought to use Spring Security to secure… Continue reading Grails with Spring Security
Category: java
java
Resource and Dependency Injection in Java EE 7
1. Overview Contexts and Dependency Injection (CDI) is a feature of Java EE that helps meld the web tier and transactional tier of its platform that is included in Java EE 6 and higher. From a technical perspective, what this means is that CDI offers a dependency injection framework and also manages the dependencies’ lifecycle.… Continue reading Resource and Dependency Injection in Java EE 7
Selenium with Java: Google Search
1. Overview In this tutorial, we will be exploring the basics of how to use Selenium with Java. We will use Selenium to open Google, search, and click a URL. The code is available on Github. 2. What is Selenium? Selenium automates web browsers. That’s really it. Selenium enables us to emulate user interaction with… Continue reading Selenium with Java: Google Search
Converting HTML to RichTextString for Apache POI
1. Overview In this tutorial, we will be building an application that takes HTML as an input and creates a Microsoft Excel Workbook with a RichText representation of the HTML that was provided. To generate the Microsoft Excel Workbook, we will be using Apache POI. To analyze the HTML, we will be using Jericho. The… Continue reading Converting HTML to RichTextString for Apache POI
Intro to Spring Cloud Config Server
1. Overview In this tutorial, we will review the basics of Spring Cloud Config Server. We will setup a Config Server and then build a client application that consumes the configuration on startup and then refreshes the configuration without restarting. The application we are building is the same “Hello World” application discussed in the Centralized Configuration Getting… Continue reading Intro to Spring Cloud Config Server
Intro to Redis with Spring Boot
1. Overview In this article, we will review the basics of how to use Redis with Spring Boot through the Spring Data Redis library. We will build an application that demonstrates how to perform CRUD operations Redis through a web interface. The full source code for this project is available on Github. 2. What is… Continue reading Intro to Redis with Spring Boot
AJAX with CKEditor in Spring Boot
1. Overview In this article, we will cover how to use CKEditor with Spring Boot. In this tutorial, we will be importing an XML document with numerous data, program the ability to load a set of data to the CKEditor instance with a GET request, and do a POST request to save the CKEditor’s data.… Continue reading AJAX with CKEditor in Spring Boot
Converting XML to JSON + Raw Use in MongoDB + Spring Batch
Overview Why convert XML to JSON for raw use in MongoDB? Since MongoDB uses JSON documents in order to store records, just as tables and rows store records in a relational database, we naturally need to convert our XML to JSON. Some applications may need to store raw (unmodified) JSON because there is uncertainty in… Continue reading Converting XML to JSON + Raw Use in MongoDB + Spring Batch
Spring Batch CSV Processing
Overview Topics we will be discussing include the essential concepts of batch processing with Spring Batch and how to import the data from a CSV into a database. 0 – Spring Batch CSV Processing Example Application We are building an application that demonstrates the basics of Spring Batch for processing CSV files. Our demo application… Continue reading Spring Batch CSV Processing
Validation in Thymeleaf + Spring
Overview Important topics we will be discussing are dealing with null values, empty strings, and validation of input so we do not enter invalid data into our database. In dealing with null values, we touch on use of java.util.Optional which was introduced in Java 1.8. 0 – Spring Boot + Thymeleaf Example Form Validation Application… Continue reading Validation in Thymeleaf + Spring