| /* |
| * 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.fasterxml.jackson.databind.AnnotationIntrospector; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.introspect.AnnotationIntrospectorPair; |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.inject.Binder; |
| import com.google.inject.Inject; |
| import com.google.inject.Injector; |
| import com.google.inject.Key; |
| import com.google.inject.Module; |
| import com.google.inject.Provides; |
| import org.apache.druid.guice.annotations.Json; |
| import org.apache.druid.guice.annotations.JsonNonNull; |
| import org.apache.druid.guice.annotations.Smile; |
| import org.skife.config.ConfigurationObjectFactory; |
| |
| import javax.validation.Validator; |
| import java.util.Properties; |
| |
| public class DruidSecondaryModule implements Module |
| { |
| private final Properties properties; |
| private final ConfigurationObjectFactory factory; |
| private final ObjectMapper jsonMapper; |
| private final ObjectMapper jsonMapperOnlyNonNullValueSerialization; |
| private final ObjectMapper smileMapper; |
| private final Validator validator; |
| |
| @Inject |
| public DruidSecondaryModule( |
| Properties properties, |
| ConfigurationObjectFactory factory, |
| @Json ObjectMapper jsonMapper, |
| @JsonNonNull ObjectMapper jsonMapperOnlyNonNullValueSerialization, |
| @Smile ObjectMapper smileMapper, |
| Validator validator |
| ) |
| { |
| this.properties = properties; |
| this.factory = factory; |
| this.jsonMapper = jsonMapper; |
| this.jsonMapperOnlyNonNullValueSerialization = jsonMapperOnlyNonNullValueSerialization; |
| this.smileMapper = smileMapper; |
| this.validator = validator; |
| } |
| |
| @Override |
| public void configure(Binder binder) |
| { |
| binder.install(new DruidGuiceExtensions()); |
| binder.bind(Properties.class).toInstance(properties); |
| binder.bind(ConfigurationObjectFactory.class).toInstance(factory); |
| binder.bind(ObjectMapper.class).to(Key.get(ObjectMapper.class, Json.class)); |
| binder.bind(Validator.class).toInstance(validator); |
| binder.bind(JsonConfigurator.class); |
| } |
| |
| @Provides @LazySingleton @Json |
| public ObjectMapper getJsonMapper(final Injector injector) |
| { |
| setupJackson(injector, jsonMapper); |
| return jsonMapper; |
| } |
| |
| @Provides @LazySingleton @JsonNonNull |
| public ObjectMapper getJsonMapperOnlyNonNullValueSerialization(final Injector injector) |
| { |
| setupJackson(injector, jsonMapperOnlyNonNullValueSerialization); |
| return jsonMapperOnlyNonNullValueSerialization; |
| } |
| |
| @Provides @LazySingleton @Smile |
| public ObjectMapper getSmileMapper(Injector injector) |
| { |
| setupJackson(injector, smileMapper); |
| return smileMapper; |
| } |
| |
| @VisibleForTesting |
| public static void setupJackson(Injector injector, final ObjectMapper mapper) |
| { |
| mapper.setInjectableValues(new GuiceInjectableValues(injector)); |
| setupAnnotationIntrospector(mapper, new GuiceAnnotationIntrospector()); |
| } |
| |
| @VisibleForTesting |
| public static void setupAnnotationIntrospector( |
| final ObjectMapper mapper, |
| final AnnotationIntrospector annotationIntrospector |
| ) |
| { |
| mapper.setAnnotationIntrospectors( |
| new AnnotationIntrospectorPair( |
| annotationIntrospector, |
| mapper.getSerializationConfig().getAnnotationIntrospector() |
| ), |
| new AnnotationIntrospectorPair( |
| annotationIntrospector, |
| mapper.getDeserializationConfig().getAnnotationIntrospector() |
| ) |
| ); |
| } |
| } |