Inject Properties using @Value Annotations vs Environment vs @ConfigurationProperties

@Value Annotations vs Environment vs @ConfigurationProperties.

Spring provides some ways to inject properties from properties file. We have learned how to use them in 3 articles:
@Value Annotation
Environment
@ConfigurationProperties

This tutorial helps you have a comparison view covering those solutions.

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Inject Properties from Properties File using Spring Environment

We can load properties value from Properties file to Spring Environment just by using @PropertySource annotation. This tutorial shows you the simple way to get them from Environment object.

Related Articles:
Inject Properties from Properties File using @Value annotation
Inject Properties from Properties File using @ConfigurationProperties Annotation
How to use Spring Factory Method to create Spring Bean

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Inject Properties from Properties File using @ConfigurationProperties Annotation

This tutorial will show you the better way to handle properties using @ConfigurationProperties Annotation.

In previous article, we have learned about using @Value annotation to inject properties from properties file. This approach has disadvantage that if we wanna change any property, we have to update all files which referenced it.

[Continue reading…] “Inject Properties from Properties File using @ConfigurationProperties Annotation”

Inject Properties from Properties File using @Value Annotation

This tutorial shows you the way to inject Properties from Properties File using @Value Annotation with Java Configuration and @PropertySource.

You will also know how to use SourcesPlaceHolder and ConversionService for specific cases including: List/Arrays, special types (DateTime, Pattern), when a value that should be treated as null or a placeholder fails to resolve.

[Continue reading…] “Inject Properties from Properties File using @Value Annotation”