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BAEL-6471 | adding custom log level code #18693

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Merged
merged 4 commits into from
Aug 13, 2025
Merged

BAEL-6471 | adding custom log level code #18693

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0d417c4
adding BAEL-6471 custom log level code
programenth Jul 19, 2025
677d27b
removing maven plugin
programenth Jul 19, 2025
211566b
reorganising code
programenth Aug 3, 2025
f3117bf
updating pom.xml
programenth Aug 3, 2025
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19 changes: 19 additions & 0 deletions logging-modules/customloglevel/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.5.3</version>
</parent>
<artifactId>customloglevel</artifactId>
<name>customloglevel</name>
<description>Demo project for Different Log level</description>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
</project>
11 changes: 11 additions & 0 deletions ...s/customloglevel/src/main/java/com/baeldung/customloglevel/CustomloglevelApplication.java
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package com.baeldung.customloglevel;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class CustomloglevelApplication {
public static void main(String[] args) {
SpringApplication.run(CustomloglevelApplication.class, args);
}
}
22 changes: 22 additions & 0 deletions logging-modules/customloglevel/src/main/java/com/baeldung/customloglevel/LogController.java
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package com.baeldung.customloglevel;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class LogController {

private static final Logger logger = LoggerFactory.getLogger(LogController.class);

@GetMapping("/log")
public String generateLogs() {
logger.trace("This is a TRACE message from controller.");
logger.debug("This is a DEBUG message from controller.");
logger.info("This is an INFO message from controller.");
logger.warn("This is a WARN message from controller.");
logger.error("This is an ERROR message from controller.");
return "Logs generated!";
}
}
1 change: 1 addition & 0 deletions logging-modules/customloglevel/src/main/resources/application.properties
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spring.application.name=customloglevel
28 changes: 28 additions & 0 deletions logging-modules/customloglevel/src/main/resources/logback-spring.xml
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<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<property name="LOGS_HOME" value="./logs"/>
<property name="CONSOLE_LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"/>
<property name="FILE_LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"/>
<property name="FILE_NAME" value="my-spring-app"/>
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>${CONSOLE_LOG_PATTERN}</Pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>INFO</level>
</filter>
</appender>
<appender name="FILE" class="ch.qos.logback.core.FileAppender">
<file>${LOGS_HOME}/${FILE_NAME}.log</file>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>${FILE_LOG_PATTERN}</Pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>DEBUG</level>
</filter>
</appender>
<root level="DEBUG">
<appender-ref ref="CONSOLE"/>
<appender-ref ref="FILE"/>
</root>
</configuration>
1 change: 1 addition & 0 deletions logging-modules/pom.xml
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Expand Up @@ -14,6 +14,7 @@
</parent>

<modules>
<module>customloglevel</module>
<module>flogger</module>
<module>log4j</module>
<module>log4j2</module>
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