Verify FSEntry name
Test Workflow / Lint and test library (pull_request) Successful in 1m42s
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Test Workflow / Lint and test library (pull_request) Successful in 1m42s
Details
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@ -1,8 +1,10 @@
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package filesystem
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import java.nio.file.FileAlreadyExistsException
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import java.nio.file.Files
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import java.nio.file.Path
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import kotlin.io.path.createDirectory
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import kotlin.io.path.createFile
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import kotlin.io.path.writeText
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class FSCreator {
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/**
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@ -31,13 +33,13 @@ class FSCreator {
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val path = dest.resolve(entry.name)
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try {
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when (entry) {
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is FSFile -> Files.createFile(path)
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is FSFolder -> Files.createDirectory(path)
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is FSFile -> path.createFile()
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is FSFolder -> path.createDirectory()
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}
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} catch (_: FileAlreadyExistsException) {
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} // Allow files/folders to already exist.
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when (entry) {
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is FSFile -> Files.write(path, entry.content.toByteArray())
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is FSFile -> path.writeText(entry.content)
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is FSFolder -> queue.addAll(entry.entries.map { it to path })
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}
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}
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@ -1,8 +1,18 @@
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package filesystem
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import kotlin.io.path.Path
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// Note sealed allows for simpler logic in FSCreator by guaranteeing FSFile and FSFolder are the only possible FSEntries
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// (as we expect), and it also implicitly makes the class abstract as required.
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sealed class FSEntry(val name: String)
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sealed class FSEntry(val name: String) {
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init {
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val p = Path(name)
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// Only allow single filenames (no paths or relative references (e.g. ".."))
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if (p.toList().size != 1 || p.fileName != p.toFile().canonicalFile.toPath().fileName) {
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throw InvalidEntryNameException(name)
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}
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}
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}
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class FSFile(name: String, val content: String) : FSEntry(name)
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@ -24,4 +34,6 @@ class FSFolder(name: String, val entries: List<FSEntry>) : FSEntry(name) {
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}
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return false
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}
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}
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}
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class InvalidEntryNameException(name: String) : Exception("Invalid FSEntry name: '$name'")
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