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March 7, 2016 16:22
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Example Ratpack Server start chain with guice registry and
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| package de.childno.example.ratpack; | |
| import com.google.inject.AbstractModule; | |
| import com.google.inject.Inject; | |
| import com.google.inject.Provides; | |
| public class ServiceModule extends AbstractModule { | |
| @Override | |
| protected void configure() { } | |
| @Provides | |
| @Inject | |
| IService provideService() { | |
| return new ServiceImpl(); | |
| } | |
| } |
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| package de.childno.example.ratpack; | |
| import com.google.inject.AbstractModule; | |
| import com.google.inject.Inject; | |
| import com.google.inject.Provides; | |
| public class SimServiceModule extends AbstractModule { | |
| @Override | |
| protected void configure() { } | |
| @Provides | |
| @Inject | |
| IService provideService() { | |
| return new SimServiceModule(); | |
| } | |
| } |
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| package de.childno.example.ratpack; | |
| import com.google.inject.Module; | |
| import com.google.inject.util.Modules; | |
| import ratpack.guice.BindingsSpec; | |
| import ratpack.guice.Guice; | |
| import ratpack.handling.Chain; | |
| import ratpack.server.BaseDir; | |
| import ratpack.server.RatpackServer; | |
| import ratpack.server.ServerConfigBuilder; | |
| import java.util.List; | |
| import static java.util.Arrays.asList; | |
| public class WsServerApp { | |
| private static final boolean SIMULATION = Boolean.getBoolean("useSimulation"); | |
| public static void main(String[] args) throws Exception { | |
| RatpackServer.start(server -> server | |
| .serverConfig(WsServerApp::config) | |
| .registry(Guice.registry(WsServerApp::bindModules)) | |
| .handlers(chain -> chain | |
| .get("hello", Hello.class) | |
| .all(ctx -> ctx.redirect(301, "/hello")) | |
| ) | |
| ); | |
| } | |
| static ServerConfigBuilder config(ServerConfigBuilder config) { | |
| return config | |
| .baseDir(BaseDir.find()) | |
| .env(); | |
| } | |
| private static List<Module> productionModules() { | |
| return asList( | |
| new HelloModule(), | |
| new ServiceModule()); | |
| } | |
| private static List<Module> simulationModules() { | |
| return asList( | |
| new SimServiceModule()); | |
| } | |
| static BindingsSpec bindModules(BindingsSpec bindingsSpec) | |
| { | |
| Module modulesToBeUsed = Modules.combine(productionModules()); | |
| if (SIMULATION) { | |
| modulesToBeUsed = Modules.override(modulesToBeUsed).with(simulationModules()); | |
| } | |
| return bindingsSpec.module(modulesToBeUsed); | |
| } | |
| } |
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