OAuth is an open standard for authorization, commonly used as a way for Internet users to authorize websites or applications to access their information on other websites, but without giving them the passwords. Actual version of OAuth is 2.0, published … Read More
For our project basen on microservices architecture was select Spring Coud Config Server to externalize the applications properties. First it should be defined server for it: Add dependencies to build.gradle View the code on Gist. The server is defined easily … Read More
Have you ever experienced the following error in a unit test : java.lang.IllegalStateException: No transactionManager was specified. Using @Transactional or @Rollback requires a valid configured transaction manager. If you are running in a unit test ensure the test has been … Read More
Sometimes we need to add some new frameworks or libraries to project which wasn’t implied to use them. And sometimes it may cause some difficulties. A few weeks ago I tried to add React to an existing Grails 3 project. … Read More
Sometimes you need to store user’s locale in a DB. Grails uses Spring LocaleResolver eg CookieLocaleResolver, SessionLocaleResolver etc. So for creating CustomLocaleResolver you need to implemets Spring LocaleResolver interface. Firstly, add the locale field to the User domain. View the … Read More
JavaFX FXML is an XML-based language that provides the structure for building a user interface separate from the application logic of your code. This separation of the presentation and application logic is attractive to web developers because they can assemble … Read More
If you are familiar with Grails, Groovy and you have a need of a desktop application, the Griffon Framework is the best solution. Griffon Framework is based on the MVC pattern of desktop application development platform for the JVM. This … Read More
First, we need to add plugin dependency to your build.gradle: compile ‘org.grails.plugins:aws-sdk-s3:2.0.3’ ‘org.grails.plugins:aws-sdk-s3:2.0.3’ – this plugin adds support for Amazon Simple Storage Service (Amazon S3), which provides developers and IT teams with secure, durable, highly-scalable cloud storage. Also we need … Read More
Hello everybody, today I want to describe how to crop/resize an images in Grails. There are 2 best ways how to do it: Using plugin burning-image(use JAI or ImageMagic) Using ImageMagick 1. Burning-image You can find this plugin here. That … Read More
There are three steps to generate PDF from swagger documentation: 1. Rest-api -> swagger.json 2. Swagger.json -> Asciidoc: swagger2markup plugin 3. Asciidoc -> PDF: asciidoctor plugin File swagger.json was generated using swagger-core library and its modules (swagger-models and swagger-annotations). After … Read More