kotlin.reflect.jvm.internal.impl.load.kotlin.JavaClassDataFinder.kt Maven / Gradle / Ivy

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/*
 * 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 kotlin.reflect.jvm.internal.impl.load.kotlin

import kotlin.reflect.jvm.internal.impl.name.ClassId
import kotlin.reflect.jvm.internal.impl.serialization.deserialization.ClassDataFinder
import kotlin.reflect.jvm.internal.impl.serialization.ClassData
import kotlin.reflect.jvm.internal.impl.serialization.jvm.JvmProtoBufUtil
import kotlin.reflect.jvm.internal.impl.load.kotlin.header.KotlinClassHeader

public class JavaClassDataFinder(
        private val kotlinClassFinder: KotlinClassFinder,
        private val deserializedDescriptorResolver: DeserializedDescriptorResolver
) : ClassDataFinder {
    override fun findClassData(classId: ClassId): ClassData? {
        val kotlinJvmBinaryClass = kotlinClassFinder.findKotlinClass(classId) ?: return null
        assert(kotlinJvmBinaryClass.getClassId() == classId) {
            "Class with incorrect id found: expected $classId, actual ${kotlinJvmBinaryClass.getClassId()}"
        }
        val data = deserializedDescriptorResolver.readData(kotlinJvmBinaryClass, KotlinClassHeader.Kind.CLASS) ?: return null
        return JvmProtoBufUtil.readClassDataFrom(data)
    }
}