InterfaceFileGenerator.kt
/*
* Copyright 2022 The Android Open Source Project
*
* 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 androidx.privacysandbox.tools.apigenerator
import androidx.privacysandbox.tools.core.generator.addCommonSettings
import androidx.privacysandbox.tools.core.model.AnnotatedInterface
import androidx.privacysandbox.tools.core.model.Method
import androidx.privacysandbox.tools.core.generator.build
import androidx.privacysandbox.tools.core.generator.poetClassName
import androidx.privacysandbox.tools.core.generator.poetSpec
import androidx.privacysandbox.tools.core.generator.poetTypeName
import com.squareup.kotlinpoet.FileSpec
import com.squareup.kotlinpoet.FunSpec
import com.squareup.kotlinpoet.KModifier
import com.squareup.kotlinpoet.TypeSpec
internal class InterfaceFileGenerator {
fun generate(annotatedInterface: AnnotatedInterface): FileSpec {
val annotatedInterfaceType =
TypeSpec.interfaceBuilder(annotatedInterface.type.poetClassName()).build {
addSuperinterfaces(annotatedInterface.superTypes.map { it.poetClassName() })
addFunctions(annotatedInterface.methods.map(::generateInterfaceMethod))
}
return FileSpec.get(annotatedInterface.type.packageName, annotatedInterfaceType)
.toBuilder().build {
addCommonSettings()
}
}
private fun generateInterfaceMethod(method: Method) =
FunSpec.builder(method.name).build {
addModifiers(KModifier.ABSTRACT)
if (method.isSuspend) {
addModifiers(KModifier.SUSPEND)
}
addParameters(method.parameters.map { it.poetSpec() })
returns(method.returnType.poetTypeName())
}
}