org.openl.spring.env

Class PropertySourcesLoader

java.lang.Object

org.openl.spring.env.PropertySourcesLoader

All Implemented Interfaces:

org.springframework.context.ApplicationContextInitializer<org.springframework.context.ConfigurableApplicationContext>

public class PropertySourcesLoader
extends Object
implements org.springframework.context.ApplicationContextInitializer<org.springframework.context.ConfigurableApplicationContext>

Allows to combine environment properties, default application properties and external application properties. This class can be used in the following ways:

• In the web.xml, using "contextInitializerClasses" context parameter.
• In Spring java configuration like new PropertySourcesLoader().initialize(applicationContext)

Default resolving order (next resource overides previous):

OpenL default properties. DefaultPropertySource Java preferences. PreferencePropertySource Application externalized configuration. ApplicationPropertySource
Application modifiable configuration. DynamicPropertySource
Spring environment.

1. OS environment variables. System.getenv()
2. Java System properties. System.getProperties()
3. JNDI attributes from java:comp/env
4. Servlet context loadProperties parameters from ServletContext.getInitParameter(java.lang.String)
5. Servlet config loadProperties parameters from ServletConfig.getInitParameter(java.lang.String)

Author:

Yury Molchan

See Also:

org.springframework.context.support.PropertySourcesPlaceholderConfigurer, PlaceholderConfigurerSupport, ApplicationContextInitializer, ApplicationPropertySource