Ilya Gorbunov
54 lines
2.0 KiB
Kotlin
54 lines
2.0 KiB
Kotlin
/*
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* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package org.jetbrains.kotlin.generators.util
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import com.intellij.openapi.util.SystemInfo
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import com.intellij.openapi.util.text.StringUtil
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import java.io.File
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import java.io.IOException
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import kotlin.io.path.*
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object GeneratorsFileUtil {
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@OptIn(ExperimentalPathApi::class)
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@JvmStatic
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@JvmOverloads
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@Throws(IOException::class)
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fun writeFileIfContentChanged(file: File, newText: String, logNotChanged: Boolean = true) {
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val parentFile = file.parentFile
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if (!parentFile.exists()) {
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if (parentFile.mkdirs()) {
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println("Directory created: " + parentFile.absolutePath)
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} else {
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throw IllegalStateException("Cannot create directory: $parentFile")
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}
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}
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if (!isFileContentChangedIgnoringLineSeparators(file, newText)) {
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if (logNotChanged) {
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println("Not changed: " + file.absolutePath)
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}
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return
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}
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val useTempFile = !SystemInfo.isWindows
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val targetFile = file.toPath()
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val tempFile =
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if (useTempFile) createTempDirectory(targetFile.name) / "${targetFile.name}.tmp" else targetFile
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tempFile.writeText(newText, Charsets.UTF_8)
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println("File written: ${tempFile.toAbsolutePath()}")
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if (useTempFile) {
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tempFile.moveTo(targetFile, overwrite = true)
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println("Renamed $tempFile to $targetFile")
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}
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println()
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}
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fun isFileContentChangedIgnoringLineSeparators(file: File, content: String): Boolean {
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val currentContent: String = try {
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StringUtil.convertLineSeparators(file.readText(Charsets.UTF_8))
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} catch (ignored: Throwable) {
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return true
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}
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return StringUtil.convertLineSeparators(content) != currentContent
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}
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} |