org.jetbrains.kotlin.serialization.deserialization.ResourceLoadingClassDataFinder.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* 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 org.jetbrains.kotlin.serialization.deserialization
import org.jetbrains.kotlin.descriptors.PackageFragmentProvider
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.serialization.ClassData
import org.jetbrains.kotlin.serialization.ClassDataWithSource
import org.jetbrains.kotlin.serialization.ProtoBuf
import org.jetbrains.kotlin.serialization.SerializedResourcePaths
import java.io.InputStream
class ResourceLoadingClassDataFinder(
private val packageFragmentProvider: PackageFragmentProvider,
private val serializedResourcePaths: SerializedResourcePaths,
private val loadResource: (path: String) -> InputStream?
) : ClassDataFinder {
override fun findClassData(classId: ClassId): ClassDataWithSource? {
val packageFragment = packageFragmentProvider.getPackageFragments(classId.packageFqName).singleOrNull()
as? DeserializedPackageFragment ?: return null
val classProto = packageFragment.classIdToProto?.get(classId) ?: run {
val stream = loadResource(serializedResourcePaths.getClassMetadataPath(classId)) ?: return null
ProtoBuf.Class.parseFrom(stream, serializedResourcePaths.extensionRegistry)
}
return ClassDataWithSource(ClassData(packageFragment.nameResolver, classProto))
}
}