/* * Copyright (C) 2014 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.componentgenerator; import static dagger.internal.codegen.extension.DaggerStreams.toImmutableList; import com.google.auto.common.MoreTypes; import com.google.auto.value.AutoValue; import com.google.common.base.Equivalence; import com.google.common.collect.ImmutableList; import dagger.internal.codegen.binding.ComponentDescriptor.ComponentMethodDescriptor; import dagger.internal.codegen.langmodel.DaggerTypes; import java.util.List; import javax.lang.model.type.DeclaredType; import javax.lang.model.type.ExecutableType; import javax.lang.model.type.TypeMirror; /** A class that defines proper {@code equals} and {@code hashcode} for a method signature. */ @AutoValue abstract class MethodSignature { abstract String name(); abstract ImmutableList> parameterTypes(); abstract ImmutableList> thrownTypes(); static MethodSignature forComponentMethod( ComponentMethodDescriptor componentMethod, DeclaredType componentType, DaggerTypes types) { ExecutableType methodType = MoreTypes.asExecutable(types.asMemberOf(componentType, componentMethod.methodElement())); return new AutoValue_MethodSignature( componentMethod.methodElement().getSimpleName().toString(), wrapInEquivalence(methodType.getParameterTypes()), wrapInEquivalence(methodType.getThrownTypes())); } private static ImmutableList> wrapInEquivalence(List types) { return types.stream().map(MoreTypes.equivalence()::wrap).collect(toImmutableList()); } }