how to pass values dynamically in config file

Question

I want to pass the value in the value tag of the property dynamically from the DB. Is this possible in Spring? And how ?

For example in the configuration below.

Answer 1

You can write a another Java class and make it as a bean in Application context and using Spring Expression Language, you have evaluate and get output of the method call.

XML configuration:

WeServiceInfoFromDB.java class:

class WebServiceInfoFromDB {

   public String getWsdlUrl() {
      // Get the Wsdl URL from DB.
      return wsdlUrl;
   }

   public String getUsername(){
      // get the username from DB
      return username;
   }

XML configuration in application context: