'How can I allow other applications to access API from my application in Spring?

I have an application in Spring and I want other applications to be able to send data to my application server. I am new to Spring and I don't know how to allow other applications to get/send data to the server through GET/POST request. What changes do I have to make in my Spring Security File.

This is part of my code in Spring security XML file

...
<global-method-security secured-annotations="enabled"/>
    <http auto-config="true" use-expressions="true">

        <intercept-url pattern="/login" access="permitAll" /> 
        <intercept-url pattern="/home" access="isAuthenticated()" />
        <intercept-url pattern="/*" access="isAuthenticated()" />
...

This is my API in the controller

@PostMapping(value = "/newBoook")
public ResponseEntity<?> saveLicense(HttpSession session, @RequestBody HashMap<String, JSONObject> bookDetails) throws JsonProcessingException {
        
    if (serviceBookManagement.saveBookDetails(bookDetails)) {
        return ResponseEntity.ok("Book has been successfully entered!");
    }
    return ResponseEntity.badRequest().body(new String("Sorry, there was an error while trying to process the request."));
}
javaspringspring-security


Solution 1:[1]

You need to deploy your API on a Web Server and there are many cases and steps to follow.

  1. Use a Web Server such as Tomcat : in an embedded mode (a jar file) or a server mode (a war file).
  2. You can deploy your application in a local network or on a cloud provider to expose your API.
  3. Your API have to be secure also, to avoid your API to be hacked.

There are many aspects you will have to manage, but I think, this is a good beginning.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Harry Coder

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