Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.druid.guice; import com.google.common.collect.ImmutableList; import com.google.common.collect.Lists; import com.google.inject.Guice; import com.google.inject.Injector; import com.google.inject.Module; import org.apache.druid.jackson.JacksonModule; import java.util.Arrays; import java.util.Collection; import java.util.List; /** */ public class GuiceInjectors { public static Collection<Module> makeDefaultStartupModules() { return ImmutableList.of(new DruidGuiceExtensions(), new JacksonModule(), new PropertiesModule(Arrays.asList("common.runtime.properties", "runtime.properties")), new ConfigModule(), new NullHandlingModule(), binder -> { binder.bind(DruidSecondaryModule.class); JsonConfigProvider.bind(binder, "druid.extensions", ExtensionsConfig.class); JsonConfigProvider.bind(binder, "druid.modules", ModulesConfig.class); }); } public static Injector makeStartupInjector() { return Guice.createInjector(makeDefaultStartupModules()); } public static Injector makeStartupInjectorWithModules(Iterable<? extends Module> modules) { List<Module> theModules = Lists.newArrayList(); theModules.addAll(makeDefaultStartupModules()); for (Module theModule : modules) { theModules.add(theModule); } return Guice.createInjector(theModules); } }