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/*
* 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.InternalXAnnotated
import androidx.room.compiler.processing.XAnnotationBox
import androidx.room.compiler.processing.XElement
import androidx.room.compiler.processing.XEquality
import com.google.auto.common.MoreElements
import com.google.auto.common.MoreElements.isAnnotationPresent
import java.util.Locale
import javax.lang.model.element.Element
import kotlin.reflect.KClass
@Suppress("UnstableApiUsage")
internal abstract class JavacElement(
protected val env: JavacProcessingEnv,
open val element: Element
) : XElement, XEquality, InternalXAnnotated {
override fun <T : Annotation> getAnnotations(
annotation: KClass<T>,
containerAnnotation: KClass<out Annotation>?
): List<XAnnotationBox<T>> {
// if there is a container annotation and annotation is repeated, we'll get the container.
if (containerAnnotation != null) {
MoreElements
.getAnnotationMirror(element, containerAnnotation.java)
.orNull()
?.box(env, containerAnnotation.java)
?.let { containerBox ->
// found a container, return
return containerBox.getAsAnnotationBoxArray<T>("value").toList()
}
}
// if there is no container annotation or annotation is not repeated, we'll see the
// individual value
return MoreElements
.getAnnotationMirror(element, annotation.java)
.orNull()
?.box(env, annotation.java)
?.let {
listOf(it)
} ?: emptyList()
}
override fun hasAnnotation(
annotation: KClass<out Annotation>,
containerAnnotation: KClass<out Annotation>?
): Boolean {
return isAnnotationPresent(element, annotation.java) ||
(containerAnnotation != null && isAnnotationPresent(element, containerAnnotation.java))
}
override fun toString(): String {
return element.toString()
}
override fun equals(other: Any?): Boolean {
return XEquality.equals(this, other)
}
override fun hashCode(): Int {
return XEquality.hashCode(equalityItems)
}
override fun kindName(): String {
return element.kind.name.lowercase(Locale.US)
}
override fun hasAnnotationWithPackage(pkg: String): Boolean {
return element.annotationMirrors.any {
MoreElements.getPackage(it.annotationType.asElement()).toString() == pkg
}
}
}