org.jetbrains.kotlin.daemon.common.FileSystemUtils.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.daemon.common
import java.io.File
enum class OSKind {
Windows,
OSX,
Unix,
Unknown;
companion object {
val current: OSKind = System.getProperty("os.name").toLowerCase().let {
when {
// partly taken from http://www.code4copy.com/java/post/detecting-os-type-in-java
it.startsWith("windows") -> Windows
it.startsWith("mac os") -> OSX
it.contains("unix") -> Unix
it.startsWith("linux") -> Unix
it.contains("bsd") -> Unix
it.startsWith("irix") -> Unix
it.startsWith("mpe/ix") -> Unix
it.startsWith("aix") -> Unix
it.startsWith("hp-ux") -> Unix
it.startsWith("sunos") -> Unix
it.startsWith("sun os") -> Unix
it.startsWith("solaris") -> Unix
else -> Unknown
}
}
}
}
private fun String?.orDefault(v: String): String =
if (this == null || this.isBlank()) v else this
// Note links to OS recommendations for storing various kinds of files
// Windows: http://www.microsoft.com/security/portal/mmpc/shared/variables.aspx
// unix (freedesktop): http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
// OS X: https://developer.apple.com/library/mac/documentation/FileManagement/Conceptual/FileSystemProgrammingGuide/AccessingFilesandDirectories/AccessingFilesandDirectories.html
object FileSystem {
val userHomePath: String get() = System.getProperty("user.home")
val tempPath: String get() = System.getProperty("java.io.tmpdir")
val logFilesPath: String get() = tempPath
val runtimeStateFilesBasePath: String get() = when (OSKind.current) {
OSKind.Windows -> System.getenv("LOCALAPPDATA").orDefault(tempPath)
OSKind.OSX -> userHomePath + "/Library/Application Support"
OSKind.Unix -> System.getenv("XDG_DATA_HOME").orDefault(userHomePath + "/.local/share")
OSKind.Unknown -> tempPath
}
fun getRuntimeStateFilesPath(vararg names: String): String {
assert(names.any())
val base = File(runtimeStateFilesBasePath)
// if base is not suitable, take home dir as a base and ensure the first name is prefixed with "." -
// this will work ok as a fallback solution on most systems
val dir = if (base.exists() && base.isDirectory) names.fold(base, ::File)
else names.drop(1)
.fold(File(userHomePath, names.first().let { if (it.startsWith(".")) it else ".$it" }), ::File)
return if ((dir.exists() && dir.isDirectory) || dir.mkdirs()) dir.absolutePath
else tempPath
}
}