jtulach@90: package org.apidesign.aserverinfo;
jtulach@90: 
jtulach@90: import java.net.URL;
jtulach@90: import java.util.concurrent.Callable;
jtulach@90: import org.openide.util.Exceptions;
jtulach@90: import org.openide.util.Lookup;
jtulach@90: 
jtulach@90: public final class AServerInfo {
jtulach@90:     private final Callable<String> name;
jtulach@90:     private final Callable<URL> url;
jtulach@90:     private final Callable<Void> reset;
jtulach@90:     private final Callable<Void> shutdown;
jtulach@90: 
jtulach@90:     public AServerInfo(Callable<String> name, Callable<URL> url, Callable<Void> reset, Callable<Void> s) {
jtulach@90:         this.name = name;
jtulach@90:         this.url = url;
jtulach@90:         this.reset = reset;
jtulach@90:         this.shutdown = s;
jtulach@90:     }
jtulach@90:     
jtulach@90:     public String getName() {
jtulach@90:         return call(name, "noname");
jtulach@90:     }
jtulach@90:     
jtulach@90:     public URL getURL() {
jtulach@90:         return call(url, null);
jtulach@90:     }
jtulach@90:     
jtulach@90:     public void reset() throws Exception {
jtulach@90:         reset.call();
jtulach@90:     }
jtulach@90:     
jtulach@90:     public void shutdown() throws Exception {
jtulach@90:         shutdown.call();
jtulach@90:     }
jtulach@90:     
jtulach@90:     
jtulach@90: 
jtulach@90:     private static <T> T call(Callable<T> name, T defValue) {
jtulach@90:         try {
jtulach@90:             return name.call();
jtulach@90:         } catch (Exception ex) {
jtulach@90:             return defValue;
jtulach@90:         }
jtulach@90:     }
jtulach@90: 
jtulach@90:     // BEGIN: aserverinfo.create
jtulach@90:     public interface NameProvider {
jtulach@90:         public String getName();
jtulach@90:     }
jtulach@90:     public interface URLProvider {
jtulach@90:         public URL getURL();
jtulach@90:     }
jtulach@90:     public interface ResetHandler {
jtulach@90:         public void reset();
jtulach@90:     }
jtulach@90:     
jtulach@90:     public static AServerInfo create(final Lookup interfaces) 
jtulach@90:     // END: aserverinfo.create
jtulach@90:     {
jtulach@90:         Callable<String> nameP = new Callable<String>() {
jtulach@90:             public String call() throws Exception {
jtulach@90:                 NameProvider p = interfaces.lookup(NameProvider.class);
jtulach@90:                 return p == null ? "noname" : p.getName();
jtulach@90:             }
jtulach@90:         };
jtulach@90:         Callable<URL> urlP = new Callable<URL>() {
jtulach@90:             public URL call() throws Exception {
jtulach@90:                 URLProvider p = interfaces.lookup(URLProvider.class);
jtulach@90:                 return p == null ? null : p.getURL();
jtulach@90:             }
jtulach@90:         };
jtulach@90:         Callable<Void> resetP = new Callable<Void>() {
jtulach@90:             public Void call() throws Exception {
jtulach@90:                 ResetHandler h = interfaces.lookup(ResetHandler.class);
jtulach@90:                 if (h != null) {
jtulach@90:                     h.reset();
jtulach@90:                 }
jtulach@90:                 return null;
jtulach@90:             }
jtulach@90:         };
jtulach@90:         
jtulach@90:         return new AServerInfo(nameP, urlP, resetP, null);
jtulach@90:     }
jtulach@90:     
jtulach@90:     // BEGIN: aserverinfo.regularcreate
jtulach@90:     public static AServerInfo create(NameProvider nameProvider, URLProvider urlProvider, ResetHandler reset)
jtulach@90:     // END: aserverinfo.regularcreate
jtulach@90:     {
jtulach@90:         return create(nameProvider, urlProvider, reset, null);
jtulach@90:     }
jtulach@90:     
jtulach@90:     // BEGIN: aserverinfo.regularcreate.withshutdown
jtulach@90:     /** @since 2.0 */
jtulach@90:     public interface ShutdownHandler {
jtulach@90:         public void shutdown();
jtulach@90:     }
jtulach@90:     
jtulach@90:     /** @since 2.0 */
jtulach@90:     public static AServerInfo create(NameProvider nameProvider, URLProvider urlProvider, ResetHandler reset, ShutdownHandler shutdown)
jtulach@90:     // END: aserverinfo.regularcreate.withshutdown
jtulach@90:     {
jtulach@90:         final NameProvider np = nameProvider;
jtulach@90:         final URLProvider up = urlProvider;
jtulach@90:         final ResetHandler h = reset;
jtulach@90:         final ShutdownHandler s = shutdown;
jtulach@90:         
jtulach@90:         Callable<String> nameP = new Callable<String>() {
jtulach@90:             public String call() throws Exception {
jtulach@90:                 return np == null ? "noname" : np.getName();
jtulach@90:             }
jtulach@90:         };
jtulach@90:         Callable<URL> urlP = new Callable<URL>() {
jtulach@90:             public URL call() throws Exception {
jtulach@90:                 return up == null ? null : up.getURL();
jtulach@90:             }
jtulach@90:         };
jtulach@90:         Callable<Void> resetP = new Callable<Void>() {
jtulach@90:             public Void call() throws Exception {
jtulach@90:                 if (h != null) {
jtulach@90:                     h.reset();
jtulach@90:                 }
jtulach@90:                 return null;
jtulach@90:             }
jtulach@90:         };
jtulach@90:         Callable<Void> shutP = new Callable<Void>() {
jtulach@90:             public Void call() throws Exception {
jtulach@90:                 if (s != null) {
jtulach@90:                     s.shutdown();
jtulach@90:                 }
jtulach@90:                 return null;
jtulach@90:             }
jtulach@90:         };
jtulach@90:         
jtulach@90:         return new AServerInfo(nameP, urlP, resetP, shutP);
jtulach@90:     }
jtulach@90:     
jtulach@90:     
jtulach@90:     
jtulach@90: }