| /* |
| * Copyright (C) 2021 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.xprocessing; |
| |
| import static dagger.internal.codegen.extension.DaggerStreams.toImmutableList; |
| import static dagger.internal.codegen.xprocessing.JavaPoetExt.toParameterSpec; |
| import static javax.lang.model.element.Modifier.PROTECTED; |
| import static javax.lang.model.element.Modifier.PUBLIC; |
| |
| import androidx.room.compiler.processing.XExecutableParameterElement; |
| import androidx.room.compiler.processing.XMethodElement; |
| import androidx.room.compiler.processing.XMethodType; |
| import androidx.room.compiler.processing.XType; |
| import com.squareup.javapoet.AnnotationSpec; |
| import com.squareup.javapoet.MethodSpec; |
| |
| // TODO(bcorso): Consider moving these methods into XProcessing library. |
| /** A utility class for {@link MethodSpec} helper methods. */ |
| public final class MethodSpecs { |
| |
| /** Returns a {@link MethodSpec} that overrides the given method. */ |
| public static MethodSpec.Builder overriding(XMethodElement method, XType owner) { |
| XMethodType methodType = method.asMemberOf(owner); |
| Nullability nullability = Nullability.of(method); |
| MethodSpec.Builder builder = |
| // We're overriding the method so we have to use the jvm name here. |
| MethodSpec.methodBuilder(method.getJvmName()) |
| .addAnnotation(Override.class) |
| .addAnnotations( |
| nullability.nonTypeUseNullableAnnotations().stream() |
| .map(AnnotationSpec::builder) |
| .map(AnnotationSpec.Builder::build) |
| .collect(toImmutableList())) |
| .addTypeVariables(methodType.getTypeVariableNames()) |
| .varargs(method.isVarArgs()) |
| .returns( |
| methodType |
| .getReturnType() |
| .getTypeName() |
| .annotated( |
| nullability.typeUseNullableAnnotations().stream() |
| .map(AnnotationSpec::builder) |
| .map(AnnotationSpec.Builder::build) |
| .collect(toImmutableList()))); |
| if (method.isPublic()) { |
| builder.addModifiers(PUBLIC); |
| } else if (method.isProtected()) { |
| builder.addModifiers(PROTECTED); |
| } |
| for (int i = 0; i < methodType.getParameterTypes().size(); i++) { |
| XExecutableParameterElement parameter = method.getParameters().get(i); |
| XType parameterType = methodType.getParameterTypes().get(i); |
| builder.addParameter(toParameterSpec(parameter, parameterType)); |
| } |
| method.getThrownTypes().stream().map(XType::getTypeName).forEach(builder::addException); |
| return builder; |
| } |
| |
| private MethodSpecs() {} |
| } |