Add validation for empty kotlin.build.report.json.directory property

#KT-66314: Fixed

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/PropertiesProvider.kt

@@ -71,8 +71,8 @@ import org.jetbrains.kotlin.util.prefixIfNot
 import java.io.File
 
 internal class PropertiesProvider private constructor(private val project: Project) {
-    val buildReportSingleFile: File?
+    val buildReportSingleFile: String?
-        get() = property(PropertyNames.KOTLIN_BUILD_REPORT_SINGLE_FILE).orNull?.let { File(it) }
+        get() = property(PropertyNames.KOTLIN_BUILD_REPORT_SINGLE_FILE).orNull
 
     val buildReportOutputs: List<String>
         get() = property("kotlin.build.report.output").orNull?.split(",") ?: emptyList()
@@ -80,8 +80,8 @@ internal class PropertiesProvider private constructor(private val project: Proje
     val buildReportLabel: String?
         get() = property("kotlin.build.report.label").orNull
 
-    val buildReportFileOutputDir: File?
+    val buildReportFileOutputDir: String?
-        get() = property("kotlin.build.report.file.output_dir").orNull?.let { File(it) }
+        get() = property(PropertyNames.KOTLIN_BUILD_REPORT_FILE_DIR).orNull
 
     val buildReportHttpUrl: String?
         get() = property(PropertyNames.KOTLIN_BUILD_REPORT_HTTP_URL).orNull
@@ -110,8 +110,8 @@ internal class PropertiesProvider private constructor(private val project: Proje
     val buildReportMetrics: Boolean
         get() = booleanProperty("kotlin.build.report.metrics") ?: false
 
-    val buildReportJsonDir: File?
+    val buildReportJsonDir: String?
-        get() = property(PropertyNames.KOTLIN_BUILD_REPORT_JSON_DIR).orNull?.let { File(it) }
+        get() = property(PropertyNames.KOTLIN_BUILD_REPORT_JSON_DIR).orNull
 
     val buildReportVerbose: Boolean
         get() = booleanProperty("kotlin.build.report.verbose") ?: false
@@ -666,6 +666,7 @@ internal class PropertiesProvider private constructor(private val project: Proje
         val KOTLIN_BUILD_REPORT_SINGLE_FILE = property("kotlin.build.report.single_file")
         val KOTLIN_BUILD_REPORT_HTTP_URL = property("kotlin.build.report.http.url")
         val KOTLIN_BUILD_REPORT_JSON_DIR = property("kotlin.build.report.json.directory")
+        val KOTLIN_BUILD_REPORT_FILE_DIR = property("kotlin.build.report.file.output_dir")
         val KOTLIN_OPTIONS_SUPPRESS_FREEARGS_MODIFICATION_WARNING = property("kotlin.options.suppressFreeCompilerArgsModificationWarning")
         val KOTLIN_NATIVE_USE_XCODE_MESSAGE_STYLE = property("kotlin.native.useXcodeMessageStyle")
         val KOTLIN_INCREMENTAL_USE_CLASSPATH_SNAPSHOT = property("kotlin.incremental.useClasspathSnapshot")
@@ -729,5 +730,6 @@ internal class PropertiesProvider private constructor(private val project: Proje
             }
 
         internal val Project.kotlinPropertiesProvider get() = invoke(this)
+
     }
 }

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/report/configureReporing.kt

@@ -11,11 +11,13 @@ import org.jetbrains.kotlin.build.report.HttpReportSettings
 import org.jetbrains.kotlin.build.report.metrics.GradleBuildPerformanceMetric
 import org.jetbrains.kotlin.build.report.metrics.GradleBuildTime
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider
+import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider.PropertyNames.KOTLIN_BUILD_REPORT_FILE_DIR
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider.PropertyNames.KOTLIN_BUILD_REPORT_SINGLE_FILE
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider.PropertyNames.KOTLIN_BUILD_REPORT_HTTP_URL
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider.PropertyNames.KOTLIN_BUILD_REPORT_JSON_DIR
 import org.jetbrains.kotlin.gradle.plugin.internal.isProjectIsolationEnabled
 import org.jetbrains.kotlin.util.capitalizeDecapitalize.toUpperCaseAsciiOnly
+import java.io.File
 
 private val availableMetrics = GradleBuildTime.values().map { it.name } + GradleBuildPerformanceMetric.values().map { it.name }
 
@@ -36,7 +38,10 @@ internal fun reportingSettings(project: Project): ReportingSettings {
             else -> BuildReportMode.VERBOSE
         }
     val fileReportSettings = if (buildReportOutputTypes.contains(BuildReportType.FILE)) {
-        val buildReportDir = properties.buildReportFileOutputDir ?: (if (project.isProjectIsolationEnabled) {
+        val buildReportDir = properties.buildReportFileOutputDir?.let {
+            validateFileName(it, KOTLIN_BUILD_REPORT_FILE_DIR)
+            File(it)
+        } ?: (if (project.isProjectIsolationEnabled) {
             // TODO: it's a workaround for KT-52963, should be reworked – KT-55763
             project.rootDir.resolve("build")
         } else {
@@ -75,13 +80,17 @@ internal fun reportingSettings(project: Project): ReportingSettings {
     }
 
     val singleOutputFile = if (buildReportOutputTypes.contains(BuildReportType.SINGLE_FILE)) {
-        properties.buildReportSingleFile
+        properties.buildReportSingleFile?.let {
-            ?: throw IllegalStateException("Can't configure single file report: '$KOTLIN_BUILD_REPORT_SINGLE_FILE' property is mandatory")
+            validateFileName(it, KOTLIN_BUILD_REPORT_SINGLE_FILE)
+            File(it)
+        } ?: throw IllegalStateException("Can't configure single file report: '$KOTLIN_BUILD_REPORT_SINGLE_FILE' property is mandatory")
     } else null
 
     val jsonReportDir = if (buildReportOutputTypes.contains(BuildReportType.JSON)) {
-        properties.buildReportJsonDir
+        properties.buildReportJsonDir?.let {
-            ?: throw IllegalStateException("Can't configure json report: '$KOTLIN_BUILD_REPORT_JSON_DIR' property is mandatory")
+            validateFileName(it, KOTLIN_BUILD_REPORT_JSON_DIR)
+            File(it)
+        } ?: throw IllegalStateException("Can't configure json report: '$KOTLIN_BUILD_REPORT_JSON_DIR' property is mandatory")
     } else null
 
     return ReportingSettings(
@@ -98,4 +107,11 @@ internal fun reportingSettings(project: Project): ReportingSettings {
     )
 }
 
+private fun validateFileName(fileName: String, propertyName: String) {
+    if (fileName.isBlank()) {
+        throw IllegalStateException("The property '$propertyName' must not be empty. Please provide a valid value.")
+    }
+}
+
+
 

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/unitTests/report/ConfigureReportingTest.kt

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.unitTests.report
+
+import org.gradle.api.internal.plugins.PluginApplicationException
+import org.jetbrains.kotlin.gradle.util.applyKotlinJvmPlugin
+import org.jetbrains.kotlin.gradle.util.buildProject
+import org.jetbrains.kotlin.gradle.util.propertiesExtension
+import org.jetbrains.kotlin.util.assertThrows
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class ConfigureReportingTest {
+
+    @Test
+    fun validateMandatoryJsonDirectory() {
+        val exception =
+            assertThrows<PluginApplicationException>("The property 'kotlin.build.report.json.directory' is mandatory for JSON output. Validation should fail.") {
+                buildProject {
+                    propertiesExtension.set("kotlin.build.report.output", "json")
+                    applyKotlinJvmPlugin()
+                }
+            }
+
+        assertEquals("Can't configure json report: 'kotlin.build.report.json.directory' property is mandatory", exception.cause?.message)
+    }
+
+    @Test
+    fun validateInvalidJsonDirectory() {
+        val exception =
+            assertThrows<PluginApplicationException>("The property 'kotlin.build.report.json.directory' should not be empty. Validation should fail.") {
+                buildProject {
+                    propertiesExtension.set("kotlin.build.report.output", "json")
+                    propertiesExtension.set("kotlin.build.report.json.directory", "")
+                    applyKotlinJvmPlugin()
+                }
+            }
+
+        assertEquals("The property 'kotlin.build.report.json.directory' must not be empty. Please provide a valid value.", exception.cause?.message)
+    }
+}