Customize Micronaut banner

By defining ‘micronaut-banner.txt’ file under src/main/resources folder, we can customize the micronaut banner.

 

Find the below working application.

 

Step 1: Create new maven project ‘micronaut-banner-customization’.

 

Step 2: Update pom.xml with maven dependencies.

 

pom.xml

<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>
	<groupId>com.sample.app</groupId>
	<artifactId>micronaut-banner-customization</artifactId>
	<version>1</version>

	<properties>
		<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
		<micronaut.version>3.7.3</micronaut.version>
		<slf4j.version>2.0.3</slf4j.version>
		<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>

		<maven.compiler.target>15</maven.compiler.target>
		<maven.compiler.source>15</maven.compiler.source>
	</properties>

	<dependencies>

		<dependency>
			<groupId>io.micronaut</groupId>
			<artifactId>micronaut-inject-java</artifactId>
			<version>${micronaut.version}</version>
		</dependency>
		<dependency>
			<groupId>io.micronaut</groupId>
			<artifactId>micronaut-runtime</artifactId>
			<version>${micronaut.version}</version>
		</dependency>

		<dependency>
			<groupId>io.micronaut</groupId>
			<artifactId>micronaut-validation</artifactId>
			<version>${micronaut.version}</version>
		</dependency>


		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>${slf4j.version}</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-simple</artifactId>
			<version>${slf4j.version}</version>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>${maven-compiler-plugin.version}</version>
				<configuration>
					<annotationProcessorPaths>
						<path>
							<groupId>io.micronaut</groupId>
							<artifactId>micronaut-validation</artifactId>
							<version>${micronaut.version}</version>
						</path>
					</annotationProcessorPaths>
				</configuration>
			</plugin>

			<plugin>
				<artifactId>maven-assembly-plugin</artifactId>
				<configuration>
					<archive>
						<manifest>
							<mainClass>com.sample.app.App</mainClass>
						</manifest>
					</archive>
					<descriptorRefs>
						<descriptorRef>jar-with-dependencies</descriptorRef>
					</descriptorRefs>
				</configuration>

				<executions>
					<execution>
						<id>make-assembly</id>
						<phase>package</phase>
						<goals>
							<goal>single</goal>
						</goals>
					</execution>
				</executions>
			</plugin>

		</plugins>
	</build>
</project>

Step 3: Create micronaut-banner.txt file under src/main/resources folder.

 

micronaut-banner.txt

      ,--.                 ,--.                                                        
 ,---. |  ,---.   ,--,--. ,-'  '-.    ,---.   ,---.  ,--.--. ,--.  ,--.  ,---.  ,--.--. 
| .--' |  .-.  | ' ,-.  | '-.  .-'   (  .-'  | .-. : |  .--'  \  `'  /  | .-. : |  .--' 
\ `--. |  | |  | \ '-'  |   |  |     .-'  `) \   --. |  |      \    /   \   --. |  |    
 `---' `--' `--'  `--`--'   `--'     `----'   `----' `--'       `--'     `----' `--'    

Step 4: Define main application class.

 

App.java

package com.sample.app;

import io.micronaut.context.ApplicationContext;
import io.micronaut.runtime.Micronaut;

public class App {

	public static void main(String[] args) {

		try (ApplicationContext applicationContext = Micronaut.run()) {

		}

	}
}

Total project structure looks like below.

 

Build the project using mvn package command.

Navigate to the folder where pom.xml is located and execute the command ‘mvn package’.

 

Upon command successful execution, you can see the jar file ‘micronaut-banner-customization-1-jar-with-dependencies.jar’ in project target folder.

$ls ./target/
archive-tmp
classes
generated-sources
generated-test-sources
maven-archiver
maven-status
micronaut-banner-customization-1-jar-with-dependencies.jar
micronaut-banner-customization-1.jar
test-classes

Execute below command to run the application.

java -jar ./target/micronaut-banner-customization-1-jar-with-dependencies.jar

$java -jar ./target/micronaut-banner-customization-1-jar-with-dependencies.jar
      ,--.                 ,--.                                                        
 ,---. |  ,---.   ,--,--. ,-'  '-.    ,---.   ,---.  ,--.--. ,--.  ,--.  ,---.  ,--.--. 
| .--' |  .-.  | ' ,-.  | '-.  .-'   (  .-'  | .-. : |  .--'  \  `'  /  | .-. : |  .--' 
\ `--. |  | |  | \ '-'  |   |  |     .-'  `) \   --. |  |      \    /   \   --. |  |    
 `---' `--' `--'  `--`--'   `--'     `----'   `----' `--'       `--'     `----' `--'    

  Micronaut (v3.7.3)

[main] INFO io.micronaut.runtime.Micronaut - No embedded container found. Running as CLI application
$

You can download the application from this link.

 

  

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