* @author ding.lid
*/
@Adaptive
public class AddExt4_ManualAdaptive implements AddExt4 {
public String echo(URL url, String s) {
AddExt4 addExt1 = ExtensionLoader.getExtensionLoader(AddExt4.class).getExtension(url.getParameter("add.ext4"));
return addExt1.echo(url, s);
}