package org.apidesign.aserverinfo;

 import java.net.URL;

 import org.openide.util.Lookup;

 public final class AServerInfo {

     private final NameProvider name;

     private final URLProvider url;

     private final ResetHandler reset;

     private final ShutdownHandler shutdown;

     private AServerInfo(

         NameProvider name, URLProvider url, 

         ResetHandler reset, ShutdownHandler shutdown

     ) {

         this.name = name;

         this.url = url;

         this.reset = reset;

         this.shutdown = shutdown;

     }

     //

     // API for clients

     //

     public String getName() {

         return name == null ? "noname" : name.getName();

     }

     public URL getURL() {

         return url == null ? null : url.getURL();

     }

     public void reset() {

         if (reset != null) {

             reset.reset();

         }

     }

     public void shutdown() {

         if (shutdown != null) {

             shutdown.shutdown();

         }

     }

     //

     // factories

     //

     // BEGIN: aserverinfo.create

     public interface NameProvider {

         public String getName();

     }

     public interface URLProvider {

         public URL getURL();

     }

     public interface ResetHandler {

         public void reset();

     }

     public static AServerInfo create(final Lookup interfaces) 

     // END: aserverinfo.create

     {

         NameProvider nameP = new NameProvider() {

             public String getName() {

                 NameProvider p = interfaces.lookup(NameProvider.class);

                 return p == null ? "noname" : p.getName();

             }

         };

         URLProvider urlP = new URLProvider() {

             public URL getURL() {

                 URLProvider p = interfaces.lookup(URLProvider.class);

                 return p == null ? null : p.getURL();

             }

         };

         ResetHandler resetP = new ResetHandler() {

             public void reset() {

                 ResetHandler h = interfaces.lookup(ResetHandler.class);

                 if (h != null) {

                     h.reset();

                 }

             }

         };

         return new AServerInfo(nameP, urlP, resetP, null);

     }

     // BEGIN: aserverinfo.regularcreate

     public static AServerInfo create(

         NameProvider nameProvider, 

         URLProvider urlProvider, 

         ResetHandler reset

     )

     // END: aserverinfo.regularcreate

     {

         return new AServerInfo(nameProvider, urlProvider, reset, null);

     }

     // BEGIN: aserverinfo.regularcreate.withshutdown

     /** @since 2.0 */

     public interface ShutdownHandler {

         public void shutdown();

     }

     /** @since 2.0 */

     public static AServerInfo create(

         NameProvider nameProvider, 

         URLProvider urlProvider, 

         ResetHandler reset, 

         ShutdownHandler shutdown

     )

     // END: aserverinfo.regularcreate.withshutdown

     {

         return new AServerInfo(nameProvider, urlProvider, reset, shutdown);

     }

     //

     // cumulative factory methods

     //

     // BEGIN: aserverinfo.cumulative.factory

     public static AServerInfo empty() {

         return new AServerInfo(null, null, null, null);

     }

     public final AServerInfo nameProvider(final NameProvider np) {

         return new AServerInfo(np, this.url, this.reset, this.shutdown);

     }

     // END: aserverinfo.cumulative.factory

     public final AServerInfo urlProvider(final URLProvider up) {

         return new AServerInfo(this.name, up, this.reset, this.shutdown);

     }

     public final AServerInfo reset(final ResetHandler h) {

         return new AServerInfo(this.name, this.url, h, this.shutdown);

     }

     public final AServerInfo shutdown(final ShutdownHandler s) {

         return new AServerInfo(this.name, this.url, this.reset, s);

     }

 }