Arif Acar :
I have a spring boot application and I want to read some variable from my application.properties file. In fact below codes do that. But I think there is a good method for this alternative.
Properties prop = new Properties();
InputStream input = null;
try {
input = new FileInputStream("config.properties");
prop.load(input);
gMapReportUrl = prop.getProperty("gMapReportUrl");
} catch (IOException ex) {
ex.printStackTrace();
} finally {
...
}
Wilson :
You can use @PropertySource to externalize your configuration to a properties file. There is number of way to do get properties:
1.
Assign the property values to fields by using @Value with PropertySourcesPlaceholderConfigurer to resolve ${} in @Value:
@Configuration
@PropertySource("file:config.properties")
public class ApplicationConfiguration {
@Value("${gMapReportUrl}")
private String gMapReportUrl;
@Bean
public static PropertySourcesPlaceholderConfigurer propertyConfigInDev() {
return new PropertySourcesPlaceholderConfigurer();
}
}
2.
Get the property values by using Environment:
@Configuration
@PropertySource("file:config.properties")
public class ApplicationConfiguration {
@Autowired
private Environment env;
public void foo() {
env.getProperty("gMapReportUrl");
}
}
Hope this can help
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