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/*
* Copyright (C) 2022 Linnea Gräf
*
* This file is part of NotEnoughUpdates.
*
* NotEnoughUpdates is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 of the License, or (at your option) any later version.
*
* NotEnoughUpdates is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with NotEnoughUpdates. If not, see <https://www.gnu.org/licenses/>.
*/
package io.github.moulberry.notenoughupdates.util
import com.google.gson.Gson
import com.google.gson.JsonElement
import java.lang.reflect.Field
class Shimmy private constructor(
val source: Any,
val field: Field,
) {
companion object {
val gson = Gson()
private fun shimmy(source: Any?, fieldName: String): Any? {
if (source == null) return null
return try {
val declaredField = source.javaClass.getDeclaredField(fieldName)
declaredField.isAccessible = true
declaredField.get(source)
} catch (e: NoSuchFieldException) {
null
}
}
@JvmStatic
fun makeShimmy(source: Any?, path: List<String>): Shimmy? {
if (path.isEmpty())
return null
var source = source
for (part in path.dropLast(1)) {
source = shimmy(source, part)
}
if (source == null) return null
val lastName = path.last()
return try {
val field = source.javaClass.getDeclaredField(lastName)
field.isAccessible = true
Shimmy(
source,
field,
)
} catch (e: NoSuchFieldException) {
null
}
}
}
val clazz: Class<*> = field.type
fun get(): Any? {
return field.get(source)
}
fun set(value: Any?) {
field.set(source, value)
}
fun getJson(): JsonElement {
return gson.toJsonTree(get())
}
fun setJson(element: JsonElement) {
set(gson.fromJson(element, clazz))
}
}
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