Upgrade to ktlint 0.33.0 and provide configuration for wildcard imports

README.md

@@ -15,7 +15,7 @@ Available on the Gradle Plugins Portal: https://plugins.gradle.org/plugin/org.jm
 
 ```kotlin
 plugins {
-    id("org.jmailen.kotlinter") version "1.25.2"
+    id("org.jmailen.kotlinter") version "1.26.0"
 }
 ```
 
@@ -26,7 +26,7 @@ plugins {
 
 ```groovy
 plugins {
-    id "org.jmailen.kotlinter" version "1.25.2"
+    id "org.jmailen.kotlinter" version "1.26.0"
 }
 ```
 
@@ -46,7 +46,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath("org.jmailen.gradle:kotlinter-gradle:1.25.2")
+        classpath("org.jmailen.gradle:kotlinter-gradle:1.26.0")
     }
 }
 ```
@@ -71,7 +71,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath "org.jmailen.gradle:kotlinter-gradle:1.25.2"
+        classpath "org.jmailen.gradle:kotlinter-gradle:1.26.0"
     }
 }
 ```
@@ -185,6 +185,7 @@ kotlinter {
     continuationIndentSize = 4
     reporters = arrayOf("checkstyle", "plain")
     experimentalRules = false
+    allowWildcardImports = true
     fileBatchSize = 30
 }
 ```
@@ -201,6 +202,7 @@ kotlinter {
     continuationIndentSize = 4
     reporters = ['checkstyle', 'plain']
     experimentalRules = false
+    allowWildcardImports = true
     fileBatchSize = 30
 }
 ```
@@ -217,6 +219,8 @@ Reporters behave as described at: https://github.com/pinterest/ktlint
 
 The `experimentalRules` property enables rules which are part of ktlint's experimental rule set.
 
+The `allowWildcardImports` property can be set to `false` if you wish to disallow use of wildcard imports.
+
 The `fileBatchSize` property configures the number of files that are processed in one Gradle Worker API call.
 
 ### Customizing Tasks

build.gradle

@@ -3,7 +3,7 @@ plugins {
     id 'com.gradle.plugin-publish' version '0.10.0'
     id 'java-gradle-plugin'
     id 'maven-publish'
-    id 'org.jmailen.kotlinter' version '1.25.1'
+    id 'org.jmailen.kotlinter' version '1.25.2'
     id 'idea'
 }
 
@@ -14,7 +14,7 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.pinterest:ktlint:0.32.0'
+    implementation 'com.pinterest:ktlint:0.33.0'
     implementation 'me.cassiano:ktlint-html-reporter:0.2.1'
 
     compileOnly 'org.jetbrains.kotlin:kotlin-gradle-plugin'
@@ -30,7 +30,7 @@ tasks.withType(PluginUnderTestMetadata).configureEach {
     pluginClasspath.from(configurations.compileOnly)
 }
 
-version = '1.25.2'
+version = '1.26.0'
 group = 'org.jmailen.gradle'
 def pluginId = 'org.jmailen.kotlinter'
 

src/main/kotlin/org/jmailen/gradle/kotlinter/KotlinterExtension.kt

@@ -9,6 +9,7 @@ open class KotlinterExtension {
         const val DEFAULT_CONTINUATION_INDENT_SIZE = 4
         val DEFAULT_REPORTER = ReporterType.checkstyle.name
         const val DEFAULT_EXPERIMENTAL_RULES = false
+        const val DEFAULT_ALLOW_WILDCARD_IMPORTS = true
         const val DEFAULT_FILE_BATCH_SIZE = 30
     }
 
@@ -25,6 +26,8 @@ open class KotlinterExtension {
 
     var experimentalRules = DEFAULT_EXPERIMENTAL_RULES
 
+    var allowWildcardImports = DEFAULT_ALLOW_WILDCARD_IMPORTS
+
     /** The file list is split into batches and processed together on a Worker API call */
     var fileBatchSize = DEFAULT_FILE_BATCH_SIZE
 

src/main/kotlin/org/jmailen/gradle/kotlinter/KotlinterPlugin.kt

@@ -47,12 +47,14 @@ class KotlinterPlugin : Plugin<Project> {
                     reporter to project.reportFile("${lintTask.sourceSetId}-lint.${reporterFileExtension(reporter)}")
                 }
                 lintTask.experimentalRules = kotlinterExtension.experimentalRules
+                lintTask.allowWildcardImports = kotlinterExtension.allowWildcardImports
                 lintTask.fileBatchSize = kotlinterExtension.fileBatchSize
             }
             taskCreator.formatTasks.forEach { formatTask ->
                 formatTask.indentSize = kotlinterExtension.indentSize
                 formatTask.continuationIndentSize = kotlinterExtension.continuationIndentSize
                 formatTask.experimentalRules = kotlinterExtension.experimentalRules
+                formatTask.allowWildcardImports = kotlinterExtension.allowWildcardImports
                 formatTask.fileBatchSize = kotlinterExtension.fileBatchSize
             }
         }

src/main/kotlin/org/jmailen/gradle/kotlinter/support/ruleSets.kt

@@ -3,15 +3,18 @@ package org.jmailen.gradle.kotlinter.support
 import com.pinterest.ktlint.core.RuleSet
 import com.pinterest.ktlint.core.RuleSetProvider
 import com.pinterest.ktlint.ruleset.experimental.ExperimentalRuleSetProvider
+import org.jmailen.rulesets.NoWildcardImportsRuleSetProvider
 import java.util.ServiceLoader
 import kotlin.comparisons.compareBy
 
 fun resolveRuleSets(
     providers: Iterable<RuleSetProvider>,
-    includeExperimentalRules: Boolean = false
+    includeExperimentalRules: Boolean = false,
+    allowWildcardImports: Boolean = true
 ): List<RuleSet> {
     return providers
         .filter { includeExperimentalRules || it !is ExperimentalRuleSetProvider }
+        .filter { !allowWildcardImports || it !is NoWildcardImportsRuleSetProvider }
         .map { it.get() }
         .sortedWith(compareBy {
             when (it.id) {
@@ -22,4 +25,6 @@ fun resolveRuleSets(
 }
 
 // statically resolve providers from plugin classpath
-val defaultRuleSetProviders = ServiceLoader.load(RuleSetProvider::class.java).map { it }
+val defaultRuleSetProviders =
+    ServiceLoader.load(RuleSetProvider::class.java).map { it } +
+        NoWildcardImportsRuleSetProvider()

src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/FormatTask.kt

@@ -31,6 +31,9 @@ open class FormatTask @Inject constructor(
     @Input
     var experimentalRules = KotlinterExtension.DEFAULT_EXPERIMENTAL_RULES
 
+    @Input
+    var allowWildcardImports = KotlinterExtension.DEFAULT_ALLOW_WILDCARD_IMPORTS
+
     @Input
     var fileBatchSize = KotlinterExtension.DEFAULT_FILE_BATCH_SIZE
 
@@ -53,6 +56,7 @@ open class FormatTask @Inject constructor(
                     projectDirectory = project.projectDir,
                     executionContextRepositoryId = executionContextRepositoryId,
                     experimentalRules = experimentalRules,
+                    allowWildcardImports = allowWildcardImports,
                     indentSize = indentSize,
                     continuationIndentSize = continuationIndentSize
                 )

src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/LintTask.kt

@@ -48,6 +48,9 @@ open class LintTask @Inject constructor(
     @Input
     var experimentalRules = KotlinterExtension.DEFAULT_EXPERIMENTAL_RULES
 
+    @Input
+    var allowWildcardImports = KotlinterExtension.DEFAULT_ALLOW_WILDCARD_IMPORTS
+
     @Input
     var fileBatchSize = KotlinterExtension.DEFAULT_FILE_BATCH_SIZE
 
@@ -75,6 +78,7 @@ open class LintTask @Inject constructor(
                     executionContextRepositoryId = executionContextRepositoryId,
                     name = name,
                     experimentalRules = experimentalRules,
+                    allowWildcardImports = allowWildcardImports,
                     indentSize = indentSize,
                     continuationIndentSize = continuationIndentSize
                 )

src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/format/FormatWorkerParameters.kt

@@ -12,6 +12,7 @@ data class FormatWorkerParameters(
     val projectDirectory: File,
     val executionContextRepositoryId: UUID,
     val experimentalRules: Boolean,
+    val allowWildcardImports: Boolean,
     val indentSize: Int,
     val continuationIndentSize: Int
-) : Serializable
+) : Serializable

src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/format/FormatWorkerRunnable.kt

@@ -22,6 +22,7 @@ class FormatWorkerRunnable @Inject constructor(
     private val files: List<File> = parameters.files
     private val projectDirectory: File = parameters.projectDirectory
     private val experimentalRules: Boolean = parameters.experimentalRules
+    private val allowWildcardImports: Boolean = parameters.allowWildcardImports
     private val indentSize: Int = parameters.indentSize
     private val continuationIndentSize: Int = parameters.continuationIndentSize
 
@@ -41,7 +42,7 @@ class FormatWorkerRunnable @Inject constructor(
                         null
                     }
                 }?.let { formatFunc ->
-                    val ruleSets = resolveRuleSets(executionContext.ruleSetProviders, experimentalRules)
+                    val ruleSets = resolveRuleSets(executionContext.ruleSetProviders, experimentalRules, allowWildcardImports)
                     val formattedText = formatFunc.invoke(file, ruleSets) { line, col, detail, corrected ->
                         val errorStr = "$relativePath:$line:$col: $detail"
                         val msg = when (corrected) {

src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/lint/LintWorkerParameters.kt

@@ -13,6 +13,7 @@ data class LintWorkerParameters(
     val name: String,
     val executionContextRepositoryId: UUID,
     val experimentalRules: Boolean,
+    val allowWildcardImports: Boolean,
     val indentSize: Int,
     val continuationIndentSize: Int
-) : Serializable
+) : Serializable

src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/lint/LintWorkerRunnable.kt

@@ -25,6 +25,7 @@ class LintWorkerRunnable @Inject constructor(
     private val projectDirectory: File = parameters.projectDirectory
     private val name: String = parameters.name
     private val experimentalRules: Boolean = parameters.experimentalRules
+    private val allowWildcardImports: Boolean = parameters.allowWildcardImports
     private val indentSize: Int = parameters.indentSize
     private val continuationIndentSize: Int = parameters.continuationIndentSize
 
@@ -44,7 +45,7 @@ class LintWorkerRunnable @Inject constructor(
                     }
                 }
 
-                val ruleSets = resolveRuleSets(executionContext.ruleSetProviders, experimentalRules)
+                val ruleSets = resolveRuleSets(executionContext.ruleSetProviders, experimentalRules, allowWildcardImports)
                 lintFunc?.invoke(file, ruleSets) { error ->
                     reporters.onEach { it.onLintError(relativePath, error, false) }
 

src/main/kotlin/org/jmailen/rulesets/NoWildcardImportsRuleSetProvider.kt

@@ -0,0 +1,13 @@
+package org.jmailen.rulesets
+
+import com.pinterest.ktlint.core.RuleSet
+import com.pinterest.ktlint.core.RuleSetProvider
+import com.pinterest.ktlint.ruleset.standard.NoWildcardImportsRule
+
+class NoWildcardImportsRuleSetProvider : RuleSetProvider {
+
+    override fun get() = RuleSet(
+        "no-wildcard-imports",
+        NoWildcardImportsRule()
+    )
+}

src/test/kotlin/org/jmailen/gradle/kotlinter/support/RuleSetsTest.kt

@@ -25,6 +25,13 @@ class RuleSetsTest {
         assertEquals(listOf("standard", "experimental"), result.map { it.id })
     }
 
+    @Test
+    fun `resolveRuleSets loads from classpath providers optionally disallowing wildcard imports`() {
+        val result = resolveRuleSets(defaultRuleSetProviders, allowWildcardImports = false)
+
+        assertEquals(listOf("standard", "no-wildcard-imports"), result.map { it.id })
+    }
+
     @Test
     fun `resolveRuleSets puts standard rules first`() {
         val standard = TestRuleSetProvider(RuleSet("standard", TestRule("one")))