OnCloudPlatformCondition Class — spring-boot Architecture

Source Code

core/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/OnCloudPlatformCondition.java lines 36–57

class OnCloudPlatformCondition extends SpringBootCondition {

	@Override
	public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
		Map<String, @Nullable Object> attributes = metadata
			.getAnnotationAttributes(ConditionalOnCloudPlatform.class.getName());
		Assert.state(attributes != null, "'attributes' must not be null");
		CloudPlatform cloudPlatform = (CloudPlatform) attributes.get("value");
		Assert.state(cloudPlatform != null, "'cloudPlatform' must not be null");
		return getMatchOutcome(context.getEnvironment(), cloudPlatform);
	}

	private ConditionOutcome getMatchOutcome(Environment environment, CloudPlatform cloudPlatform) {
		String name = cloudPlatform.name();
		ConditionMessage.Builder message = ConditionMessage.forCondition(ConditionalOnCloudPlatform.class);
		if (cloudPlatform.isActive(environment)) {
			return ConditionOutcome.match(message.foundExactly(name));
		}
		return ConditionOutcome.noMatch(message.didNotFind(name).atAll());
	}

}