org.springframework.core.env.Environment.getProperty(String) returns null

Question

I am trying to access some properties programmatically in a controller of a spring mvc application. I configured it by xml. I tried both PropertyPlaceholderConfigurer and <context:property-placeholder />

I tried to use in the controller class(saw it in a working example but it was configured with @Configuration):

@Inject  
private Environment environment;

and afterwards i use:

environment.getProperty("upload.location")

but i get a null value. The entry exists in the properties file(i have only one) and also using ${...} in the xml works

atrain · Accepted Answer · 2012-01-06 13:55:30Z

3

A much simpler way - use @Value to inject the system property, as follows:

private @Value("${systemPropertyFoo}") String systemPropertyFoo;

In your case (I"m assuming the variable is a system property):

private @Value("${upload.location}") String uploadLocation;

This annotation depends on the PropertyPlaceholderConfigurer, so keep it in your config.

answered Jan 6, 2012 at 13:55

atrain

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