Spring Boot

Workaround for missing DomainClassConverter in Spring Boot JUnit tests

In one of my projects I let Spring Boot automatically bind domain objects from the database.

This fails in the reduced unit test setup, because DomainClassConverter is not available. But it can be mocked!

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Formatting phone numbers using libphonenumber in Thymeleaf

The Google phone number parser & formatter is very helpful to ensure the same number format for user prodived data. To simplify the use in Spring Boot application with Thymeleaf I created a wrapping TagLib/ExpressionFactory.

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How to ensure you get a BindingResult instead of whitelabel error page when validating input

When I started to use Spring Boot I had some issues with the validation. The @Validated annotation triggered the validation as requested but the validation terminated with an org.springframework.validation.BindException instead of filling the BindingResult object.

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Inject Attributes to Spring Boot Controller Methods (HandlerMethodArgumentResolver)

During learning Spring Boot I noticed attributes to methods in Spring Boot controllers can be automatically injected.

To migrate my blog from Grails to Spring Boot I created an implementation to inject the current blog instance based on an session attribute.

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Asset Pipeline Thymeleaf Taglib

Using the asset pipline in Grails, the production CSS and Javascript files have been including with a digest appendix. This feature is not available in Spring Boot, therefore I started to create a simple Thymeleaf tag library.

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