CODEWITHSUNDEEP
springspring-boot
Jake
Jake

Reputation: 83

How to Access Spring Configuration Outside a JAR File

I am new with Spring Boot Development and currently can't move-on on the issue of how to load my spring application configuration outside the jar file.

My existing code looks like this

private ApplicationContext context;

public static void main(String[] args){
    SpringApplication.run(SMPPEngine.c1ass);
    new SMPPEngine();
}

public SMPPEngine(){
    loadConfiguration();
    process();
}

private void loadConfiguration(){
    context = new ClassPatthlApplicationContext(”application-context.xm1”);
}

What I want to achieve is to have the jar file next to application-context.xml in one directory so that when there are configuration changes,I don't need to recompile my code just to reflect the changes on application-context.xml.

Based on what I've read on the internet, this is possible by using 'file://directory/application.xml' instead of classpath. But my problem on using the later is that when you place your jar and file to other location, I am required to do code change to reflect the new directory which does not solve the problem of getting away from code recompilation.

I hope I made my issue clear, and get an immediately response with you guys :) Thanks in advance :)

Upvotes: 1

Views: 759

Answers (2)

Beanz
Beanz

Reputation: 210

Another approach, if you have the infrastructure. Would be to use Spring Cloud Config. After your Boot application is configured to read from it, they can be modified at anytime without recompilation or restarting.

Upvotes: 0

Liping Huang
Liping Huang

Reputation: 4476

There are many approaches to do this, standard, you can use spring file: prefix for accessing filesystem paths.

but with spring boot, you can specifiy it in application.properties with

spring.config.location propertiy, or you can add it in command line when run the spring boot jar file like java -jar myproject.jar --spring.config.location=classpath:/default.properties,classpath:/override.properties

But for your codes, actually you do not need to re-create the spring context from the configuration files, but you want get the context instance, you just need to inject it

@Autowired
private ApplicationContext context;

Upvotes: 1

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