How to configure a Spring beans with properties that are stored in a database table

Question

In my project we\'d like to externalize the properties of our Spring managed beans, that is very easy to do with standard Java .properties files, however we want to be able

Answer 1

There are ways to create "PropertyPlaceholderConfigurer" Programmatically , please see below.

Write a DAO which reads Properties and create a PropertyPlaceholderConfigurer as shown below.

XmlBeanFactory factory = new XmlBeanFactory(new FileSystemResource("beans.xml"));
PropertyPlaceholderConfigurer cfg = new PropertyPlaceholderConfigurer();
cfg.setProperties(yourProperties);
cfg.postProcessBeanFactory(factory);