68 lines
2.1 KiB
Kotlin
68 lines
2.1 KiB
Kotlin
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/*
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* Nextcloud - Android Client
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*
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* SPDX-FileCopyrightText: 2025 Alper Ozturk <alper.ozturk@nextcloud.com>
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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package com.nextcloud.utils
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import com.owncloud.android.lib.common.utils.Log_OC
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import java.io.File
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import java.io.IOException
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import java.nio.file.Files
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import java.nio.file.Path
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import java.util.stream.Collectors
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import kotlin.io.path.pathString
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@Suppress("NestedBlockDepth")
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object FileHelper {
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private const val TAG = "FileHelper"
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fun listDirectoryEntries(directory: File?, startIndex: Int, maxItems: Int, fetchFolders: Boolean): List<File> {
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if (directory == null || !directory.exists() || !directory.isDirectory) return emptyList()
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return try {
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Files.list(directory.toPath())
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.map { it.toFile() }
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.filter { file -> if (fetchFolders) file.isDirectory else !file.isDirectory }
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.skip(startIndex.toLong())
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.limit(maxItems.toLong())
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.collect(Collectors.toList())
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} catch (e: IOException) {
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Log_OC.d(TAG, "listDirectoryEntries: $e")
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emptyList()
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}
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}
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fun listFilesRecursive(files: Collection<File>): List<String> {
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val result = mutableListOf<String>()
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for (file in files) {
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try {
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collectFilesRecursively(file.toPath(), result)
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} catch (e: IOException) {
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Log_OC.e(TAG, "Error collecting files recursively from: ${file.absolutePath}", e)
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}
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}
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return result
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}
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private fun collectFilesRecursively(path: Path, result: MutableList<String>) {
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if (Files.isDirectory(path)) {
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try {
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Files.newDirectoryStream(path).use { stream ->
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for (entry in stream) {
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collectFilesRecursively(entry, result)
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}
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}
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} catch (e: IOException) {
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Log_OC.e(TAG, "Error reading directory: ${path.pathString}", e)
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}
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} else {
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result.add(path.pathString)
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}
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}
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}
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