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/*
* Copyright (C) 2012 Google Inc.
*
* Licensed 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 com.google.caliper.json;
import com.google.gson.ExclusionStrategy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.TypeAdapterFactory;
import com.google.gson.internal.bind.TypeAdapters;
import dagger.Module;
import dagger.Provides;
import dagger.Provides.Type;
import org.joda.time.Instant;
import java.util.Set;
/**
* Binds a {@link Gson} instance suitable for serializing and deserializing Caliper
* {@linkplain com.google.caliper.model model} objects.
*/
@Module
public final class GsonModule {
@Provides(type = Type.SET)
static TypeAdapterFactory provideImmutableListTypeAdapterFactory() {
return new ImmutableListTypeAdatperFactory();
}
@Provides(type = Type.SET)
static TypeAdapterFactory provideImmutableMapTypeAdapterFactory() {
return new ImmutableMapTypeAdapterFactory();
}
@Provides(type = Type.SET)
static TypeAdapterFactory provideNaturallySortedMapTypeAdapterFactory() {
return new NaturallySortedMapTypeAdapterFactory();
}
@Provides(type = Type.SET)
static TypeAdapterFactory provideImmutableMultimapTypeAdapterFactory() {
return new ImmutableMultimapTypeAdapterFactory();
}
@Provides
static ExclusionStrategy provideAnnotationExclusionStrategy() {
return new AnnotationExclusionStrategy();
}
@Provides(type = Type.SET)
static TypeAdapterFactory provideTypeAdapterFactoryForInstant(
InstantTypeAdapter typeAdapter) {
return TypeAdapters.newFactory(Instant.class, typeAdapter);
}
@Provides static InstantTypeAdapter provideInstantTypeAdapter() {
return new InstantTypeAdapter();
}
@Provides static Gson provideGson(Set<TypeAdapterFactory> typeAdapterFactories,
ExclusionStrategy exclusionStrategy) {
GsonBuilder gsonBuilder = new GsonBuilder().setExclusionStrategies(exclusionStrategy);
for (TypeAdapterFactory typeAdapterFactory : typeAdapterFactories) {
gsonBuilder.registerTypeAdapterFactory(typeAdapterFactory);
}
return gsonBuilder.create();
}
}
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