package freemarker.ext.jsp;
import javax.servlet.ServletContext;
import javax.servlet.jsp.JspApplicationContext;
/**
* @author Attila Szegedi
* @version $Id: $
*/
class FreeMarkerJspFactory21 extends FreeMarkerJspFactory
{
private static final String JSPCTX_KEY =
FreeMarkerJspFactory21.class.getName() + "#jspAppContext";
protected String getSpecificationVersion() {
return "2.1";
}
public JspApplicationContext getJspApplicationContext(ServletContext ctx) {
JspApplicationContext jspctx = (JspApplicationContext)ctx.getAttribute(
JSPCTX_KEY);
if(jspctx == null) {
synchronized(ctx) {
jspctx = (JspApplicationContext)ctx.getAttribute(JSPCTX_KEY);
if(jspctx == null) {
jspctx = new FreeMarkerJspApplicationContext();
ctx.setAttribute(JSPCTX_KEY, jspctx);
}
}
}
return jspctx;
}
}