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Spring Boot - Log all configuration properties on application startup
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package io.github.sandornemeth.spring; | |
import java.util.Arrays; | |
import java.util.stream.StreamSupport; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
import org.springframework.context.event.ContextRefreshedEvent; | |
import org.springframework.context.event.EventListener; | |
import org.springframework.core.env.AbstractEnvironment; | |
import org.springframework.core.env.EnumerablePropertySource; | |
import org.springframework.core.env.Environment; | |
import org.springframework.core.env.MutablePropertySources; | |
import org.springframework.stereotype.Component; | |
@Component | |
public class PropertyLogger { | |
private static final Logger LOGGER = LoggerFactory.getLogger(PropertyLogger.class); | |
@EventListener | |
public void handleContextRefresh(ContextRefreshedEvent event) { | |
final Environment env = event.getApplicationContext().getEnvironment(); | |
LOGGER.info("====== Environment and configuration ======"); | |
LOGGER.info("Active profiles: {}", Arrays.toString(env.getActiveProfiles())); | |
final MutablePropertySources sources = ((AbstractEnvironment) env).getPropertySources(); | |
StreamSupport.stream(sources.spliterator(), false) | |
.filter(ps -> ps instanceof EnumerablePropertySource) | |
.map(ps -> ((EnumerablePropertySource) ps).getPropertyNames()) | |
.flatMap(Arrays::stream) | |
.distinct() | |
.filter(prop -> !(prop.contains("credentials") || prop.contains("password"))) | |
.forEach(prop -> LOGGER.info("{}: {}", prop, env.getProperty(prop))); | |
LOGGER.info("==========================================="); | |
} | |
} |
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