JavacRoundEnv.kt
/*
* Copyright (C) 2020 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.room.compiler.processing.javac
import androidx.room.compiler.processing.XElement
import androidx.room.compiler.processing.XRoundEnv
import com.google.auto.common.MoreElements
import javax.annotation.processing.RoundEnvironment
import javax.lang.model.element.Element
import kotlin.reflect.KClass
@Suppress("UnstableApiUsage")
internal class JavacRoundEnv(
private val env: JavacProcessingEnv,
val delegate: RoundEnvironment
) : XRoundEnv {
override val rootElements: Set<XElement> by lazy {
delegate.rootElements.map {
check(MoreElements.isType(it))
env.wrapTypeElement(MoreElements.asType(it))
}.toSet()
}
override val isProcessingOver: Boolean
get() = delegate.processingOver()
override fun getElementsAnnotatedWith(klass: KClass<out Annotation>): Set<XElement> {
val elements = delegate.getElementsAnnotatedWith(klass.java)
return wrapAnnotatedElements(elements, klass.java.canonicalName)
}
override fun getElementsAnnotatedWith(annotationQualifiedName: String): Set<XElement> {
if (annotationQualifiedName == "*") {
return emptySet()
}
val annotationTypeElement =
env.elementUtils.getTypeElement(annotationQualifiedName) ?: return emptySet()
val elements = delegate.getElementsAnnotatedWith(annotationTypeElement)
return wrapAnnotatedElements(elements, annotationQualifiedName)
}
private fun wrapAnnotatedElements(
elements: Set<Element>,
annotationName: String
): Set<XElement> {
return elements.map { env.wrapAnnotatedElement(it, annotationName) }.toSet()
}
}