XTypeSpec.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.room.compiler.codegen
import androidx.room.compiler.codegen.java.JavaTypeSpec
import androidx.room.compiler.codegen.kotlin.KotlinTypeSpec
import androidx.room.compiler.processing.XElement
import androidx.room.compiler.processing.addOriginatingElement
interface XTypeSpec : TargetLanguage {
val className: XClassName
interface Builder : TargetLanguage {
fun superclass(typeName: XTypeName): Builder
fun addAnnotation(annotation: XAnnotationSpec)
// TODO(b/247241418): Maybe make a XPropertySpec ?
fun addProperty(
typeName: XTypeName,
name: String,
visibility: VisibilityModifier,
isMutable: Boolean = false,
initExpr: XCodeBlock? = null,
annotations: List<XAnnotationSpec> = emptyList()
): Builder
fun addFunction(functionSpec: XFunSpec): Builder
fun build(): XTypeSpec
companion object {
fun Builder.apply(
javaTypeBuilder: com.squareup.javapoet.TypeSpec.Builder.() -> Unit,
kotlinTypeBuilder: com.squareup.kotlinpoet.TypeSpec.Builder.() -> Unit,
): Builder = apply {
when (language) {
CodeLanguage.JAVA -> {
check(this is JavaTypeSpec.Builder)
this.actual.javaTypeBuilder()
}
CodeLanguage.KOTLIN -> {
check(this is KotlinTypeSpec.Builder)
this.actual.kotlinTypeBuilder()
}
}
}
}
}
companion object {
fun classBuilder(language: CodeLanguage, className: XClassName): Builder {
return when (language) {
CodeLanguage.JAVA -> JavaTypeSpec.Builder(
className = className,
actual = com.squareup.javapoet.TypeSpec.classBuilder(className.java)
)
CodeLanguage.KOTLIN -> KotlinTypeSpec.Builder(
className = className,
actual = com.squareup.kotlinpoet.TypeSpec.classBuilder(className.kotlin)
)
}
}
}
}
fun XTypeSpec.Builder.addOriginatingElement(element: XElement) = apply {
when (language) {
CodeLanguage.JAVA -> {
check(this is JavaTypeSpec.Builder)
actual.addOriginatingElement(element)
}
CodeLanguage.KOTLIN -> {
check(this is KotlinTypeSpec.Builder)
actual.addOriginatingElement(element)
}
}
}