org.jetbrains.kotlin.build.serializationUtils.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 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.build
import kotlin.reflect.KClass
import kotlin.reflect.full.memberProperties
import kotlin.reflect.full.primaryConstructor
inline fun serializeToPlainText(instance: T): String = serializeToPlainText(instance, T::class)
fun serializeToPlainText(instance: T, klass: KClass): String {
val lines = ArrayList()
for (property in klass.memberProperties) {
val value = property.get(instance)
if (value != null) {
lines.add("${property.name}=$value")
}
}
return lines.joinToString("\n")
}
inline fun deserializeFromPlainText(str: String): T? = deserializeFromPlainText(str, T::class)
fun deserializeFromPlainText(str: String, klass: KClass): T? {
val args = ArrayList()
val properties = str
.split("\n")
.filter(String::isNotBlank)
.associate { it.substringBefore("=") to it.substringAfter("=") }
val primaryConstructor = klass.primaryConstructor
?: throw IllegalStateException("${klass.java} does not have primary constructor")
for (param in primaryConstructor.parameters.sortedBy { it.index }) {
val argumentString = properties[param.name]
if (argumentString == null) {
if (param.type.isMarkedNullable) {
args.add(null)
continue
}
else {
return null
}
}
val argument: Any? = when (param.type.classifier) {
Int::class -> argumentString.toInt()
Boolean::class -> argumentString.toBoolean()
String::class -> argumentString
else -> throw IllegalStateException("Unexpected property type: ${param.type}")
}
args.add(argument)
}
return primaryConstructor.call(*args.toTypedArray())
}