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/*
* Copyright (C) 2024 NotEnoughUpdates contributors
*
* 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 io.github.moulberry.notenoughupdates.NotEnoughUpdates
import java.io.File
import java.io.InputStream
import java.net.URL
import java.util.jar.JarFile
import kotlin.io.path.toPath
object JarUtil {
interface Access {
fun listFiles(path: String): List<String>
fun read(path: String): InputStream
}
val access = NotEnoughUpdates::class.java.protectionDomain.codeSource.location.let {
if (it.protocol.equals("jar")) {
val jarFilePath = URL(it.toString().split("!")[0].substring(4))
.toURI().toPath().toFile()
val jarFile = JarFile(jarFilePath)
object : Access {
override fun listFiles(path: String): List<String> {
return jarFile.entries().toList().filter { it.name.startsWith(path + "/") }
.filter { it.name.indexOf('/', path.length + 1) < 0 }
.map { it.name.substringAfterLast('/') }
}
override fun read(path: String): InputStream {
return jarFile.getInputStream(jarFile.getJarEntry(path))
}
}
} else {
val baseFilePath = it.toString().replace("\\", "/")
.replace(NotEnoughUpdates::class.java.getCanonicalName().replace(".", "/") + ".class", "")
val baseFile = URL(baseFilePath).toURI().toPath().toFile()
object : Access {
override fun listFiles(path: String): List<String> {
return baseFile.resolve(path).listFiles()?.map { it.name } ?: listOf()
}
override fun read(path: String): InputStream {
return baseFile.resolve(path).inputStream()
}
}
}
}
}
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