Rewrite ZipUtils in Kotlin

2025-09-06 06:36:58 +00:00 · 2019-05-03 04:10:27 -04:00
parent d3f5f5ee59
commit 8b7144c986
3 changed files with 48 additions and 67 deletions
@@ -0,0 +1,46 @@
+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)
+@JvmOverloads
+fun unzip(zip: File, folder: File, path: String = "", junkPath: Boolean = false) {
+    zip.inputStream().buffered().use {
+        unzip(it, folder, path, junkPath)
+    }
+}
+
+@Throws(IOException::class)
+fun unzip(zip: InputStream, folder: File, path: String, junkPath: Boolean) {
+    try {
+        val zin = ZipInputStream(zip)
+        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
+    }
+}