Evaluating Spring @Value annotation as primitive boolean

Its an old thread but if you still want to inject Non-String values using @Value Spring annotation, do this:

@Value("#{new Boolean('${item.priceFactor}')}")
private Boolean itemFactorBoolean;

@Value("#{new Integer('${item.priceFactor}')}")
private Integer itemFactorInteger;

Works for me on Spring boot 1.5.9 with Java 8.

Looks like you're missing the PropertyPlaceholderConfigurer. You need to register it as a bean factory post processor. Theoretically this could be done like this:

public class PostProcessorConfig {

    @Bean
    public BeanFactoryPostProcessor getPP() {
       PropertyPlaceholderConfigurer configurer = new PropertyPlaceholderConfigurer();
       configurer.setLocations(new Resource[]{new ClassPathResource("/my.properties")});
       return configurer;
    }
}

However, there seems to be a bug that causes other issues doing this from a java based configuration. See ticket for workarounds.

This is how it was solved in our project, as the other answers didn't work for us. We were using spring batch, also.

main job config:

@Configuration
@EnableBatchProcessing
@PropertySource("classpath:application.properties")
public class MainJobConfiguration {
    @Autowired
    PipelineConfig config;

    @Bean
    public PipelineConfig pipelineConfig(){
        return new PipelineConfig();
    }

    // To resolve ${} in @Value
    @Bean
    public static PropertySourcesPlaceholderConfigurer propertyConfigInDev() {
        return new PropertySourcesPlaceholderConfigurer();
    }

    // job stuff ...
}

properties config loader:

public class PipelineConfig {
    @Value("${option}")
    private boolean option;
}

Note how the @Value is in the PipelineConfig, but the actual properties from which the option is loaded, is specified in the job class.