dagger.internal.codegen.SpiModule.java Source code

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Here is the source code for dagger.internal.codegen.SpiModule.java

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/*
 * Copyright (C) 2018 The Dagger Authors.
 *
 * 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 dagger.internal.codegen;

import com.google.common.collect.ImmutableSet;
import dagger.Module;
import dagger.Provides;
import dagger.internal.codegen.BindingGraphPlugins.TestingPlugins;
import dagger.spi.BindingGraphPlugin;
import java.util.Map;
import java.util.Optional;
import java.util.ServiceLoader;
import javax.annotation.processing.Filer;
import javax.inject.Singleton;
import javax.lang.model.util.Elements;
import javax.lang.model.util.Types;

/** Contains the bindings for {@link BindingGraphPlugins} from external SPI providers. */
@Module
abstract class SpiModule {
    private SpiModule() {
    }

    @Provides
    @Singleton
    static BindingGraphPlugins spiPlugins(@TestingPlugins Optional<ImmutableSet<BindingGraphPlugin>> testingPlugins,
            Filer filer, Types types, Elements elements, @ProcessingOptions Map<String, String> processingOptions,
            DiagnosticReporterFactory diagnosticReporterFactory) {
        return new BindingGraphPlugins(testingPlugins.orElseGet(SpiModule::loadPlugins), filer, types, elements,
                processingOptions, diagnosticReporterFactory);
    }

    private static ImmutableSet<BindingGraphPlugin> loadPlugins() {
        return ImmutableSet
                .copyOf(ServiceLoader.load(BindingGraphPlugin.class, BindingGraphPlugins.class.getClassLoader()));
    }
}