57 lines
2.2 KiB
Java
57 lines
2.2 KiB
Java
/*
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* Copyright (C) 2014 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dagger.internal.codegen.componentgenerator;
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import static dagger.internal.codegen.extension.DaggerStreams.toImmutableList;
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import com.google.auto.common.MoreTypes;
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import com.google.auto.value.AutoValue;
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import com.google.common.base.Equivalence;
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import com.google.common.collect.ImmutableList;
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import dagger.internal.codegen.binding.ComponentDescriptor.ComponentMethodDescriptor;
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import dagger.internal.codegen.langmodel.DaggerTypes;
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import java.util.List;
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import javax.lang.model.type.DeclaredType;
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import javax.lang.model.type.ExecutableType;
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import javax.lang.model.type.TypeMirror;
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/** A class that defines proper {@code equals} and {@code hashcode} for a method signature. */
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@AutoValue
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abstract class MethodSignature {
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abstract String name();
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abstract ImmutableList<? extends Equivalence.Wrapper<? extends TypeMirror>> parameterTypes();
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abstract ImmutableList<? extends Equivalence.Wrapper<? extends TypeMirror>> thrownTypes();
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static MethodSignature forComponentMethod(
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ComponentMethodDescriptor componentMethod, DeclaredType componentType, DaggerTypes types) {
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ExecutableType methodType =
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MoreTypes.asExecutable(types.asMemberOf(componentType, componentMethod.methodElement()));
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return new AutoValue_MethodSignature(
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componentMethod.methodElement().getSimpleName().toString(),
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wrapInEquivalence(methodType.getParameterTypes()),
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wrapInEquivalence(methodType.getThrownTypes()));
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}
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private static ImmutableList<? extends Equivalence.Wrapper<? extends TypeMirror>>
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wrapInEquivalence(List<? extends TypeMirror> types) {
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return types.stream().map(MoreTypes.equivalence()::wrap).collect(toImmutableList());
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}
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}
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