oracle.i18n.servlet.listener
Class ContextListener

java.lang.Object
  |
  +--oracle.i18n.servlet.listener.ContextListener

All Implemented Interfaces:

EventListener, ServletContextListener

public class ContextListener

extends Object

implements ServletContextListener

ContextListener is the default context listener class that instantiates an ApplicationContext object.

Register this class in web.xml so that it is called at the start up of JSP/Java Servlet applications. Here is the example:

 <listener>
   <listener-class>oracle.i18n.servlet.listener.ContextListener</listener-class>
 </listener>

If the application incorporates database user schema containing a locale preference, a custom ContextListener may need to be used.

The following example shows how to use contextInitialized and contextDestroyed methods in the context listener. Note that the constructor throws exceptions.

  public void contextInitialized(ServletContextEvent event)
  {
    ...
    try
    {
      ServletContext context = event.getServletContext();
      context.setAttribute(
        ApplicationContext.OBJECT_KEY,
        new ApplicationContext(
          context.getResourceAsStream(ApplicationContext.DEFAULT_GDKAPP),
          getClass().getClassLoader()));
    }
    catch (Exception e)
    {
      // handle exception
      ...
    }
    ...
  }
  ...
  public void contextDestroyed(ServletContextEvent event)
  {
    event.getServletContext().removeAttribute(ApplicationContext.OBJECT_KEY);
  }

Since:

10.1.0.2