Pixelcat-App-Android/app/src/main/kotlin/at/connyduck/pixelcat/components/util/FileUtils.kt

33 lines
1.2 KiB
Kotlin

/*
* Copyright (C) 2020 Conny Duck
*
* This file is part of Pixelcat.
*
* Pixelcat is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pixelcat 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package at.connyduck.pixelcat.components.util
import android.webkit.MimeTypeMap
import java.util.Locale
/**
* tries to guess the mime type of a file path from the file extension.
* @return the mime type, or null if it couldn't be determined
*/
fun getMimeType(filePath: String): String? {
val extension = filePath.split('.').lastOrNull()?.toLowerCase(Locale.ROOT) ?: return null
return MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension)
}