Magisk/app/src/main/java/com/topjohnwu/magisk/utils/ZipUtils.kt

46 lines
1.4 KiB
Kotlin
Raw Normal View History

2019-05-03 08:10:27 +00:00
package com.topjohnwu.magisk.utils
import com.topjohnwu.superuser.io.SuFile
import com.topjohnwu.superuser.io.SuFileOutputStream
import java.io.File
import java.io.IOException
import java.io.InputStream
import java.util.zip.ZipEntry
import java.util.zip.ZipInputStream
@Throws(IOException::class)
fun File.unzip(folder: File, path: String = "", junkPath: Boolean = false) {
inputStream().buffered().use {
it.unzip(folder, path, junkPath)
2019-05-03 08:10:27 +00:00
}
}
@Throws(IOException::class)
fun InputStream.unzip(folder: File, path: String, junkPath: Boolean) {
2019-05-03 08:10:27 +00:00
try {
val zin = ZipInputStream(this)
2019-05-03 08:10:27 +00:00
var entry: ZipEntry
while (true) {
entry = zin.nextEntry ?: break
if (!entry.name.startsWith(path) || entry.isDirectory) {
// Ignore directories, only create files
continue
}
val name = if (junkPath)
entry.name.substring(entry.name.lastIndexOf('/') + 1)
else
entry.name
var dest = File(folder, name)
if (!dest.parentFile!!.exists() && !dest.parentFile!!.mkdirs()) {
dest = SuFile(folder, name)
dest.parentFile!!.mkdirs()
}
SuFileOutputStream(dest).use { out -> zin.copyTo(out) }
}
} catch (e: IOException) {
e.printStackTrace()
throw e
}
}