# Checkstyle

@CacheableTask
abstract class Checkstyle : AbstractCodeQualityTask, Reporting<CheckstyleReports> (source)

Runs Checkstyle against some source files.

#### See also

CheckstylePlugin
CheckstyleExtension

## Constructors

Checkstyle
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constructor()

## Properties

checkstyleClasspath
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@get:Classpath
open var checkstyleClasspath: FileCollection
classpath
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@get:Classpath
open var classpath: FileCollection
config
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open var config: TextResource
configProperties
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@get:Nullable
@get:Optional
@get:Input
open var configProperties: Map<String, Any>
conventionMapping
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open val conventionMapping: @Nullable ConventionMapping
description
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@get:Nullable
open var description: @Nullable String
enabled
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open var enabled: Boolean
group
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@get:Nullable
open var group: @Nullable String
impliesSubProjects
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open var impliesSubProjects: Boolean
maxErrors
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@get:Input
open var maxErrors: Int
maxWarnings
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@get:Input
open var maxWarnings: Int
reports
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val reports: CheckstyleReports
state
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val state: TaskStateInternal
TASK_ACTION
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val TASK_ACTION: String = "action"
TASK_CONSTRUCTOR_ARGS
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val TASK_CONSTRUCTOR_ARGS: String = "constructorArgs"
Constructor arguments for the Task
TASK_DEPENDS_ON
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val TASK_DEPENDS_ON: String = "dependsOn"
TASK_DESCRIPTION
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val TASK_DESCRIPTION: String = "description"
TASK_GROUP
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val TASK_GROUP: String = "group"
TASK_NAME
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val TASK_NAME: String = "name"
TASK_OVERWRITE
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val TASK_OVERWRITE: String = "overwrite"
TASK_TYPE
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val TASK_TYPE: String = "type"
timeout
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val timeout: Property<Duration>

## Functions

acceptServiceReferences
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open fun acceptServiceReferences(serviceReferences: Set<ServiceReferenceSpec>)
appendParallelSafeAction
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open fun appendParallelSafeAction(action: Action<in Task>)
compareTo
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open fun compareTo(otherTask: Task): Int
open fun compareTo(otherTask: Task): Int
configure
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open fun configure(closure: Closure): Task
abstract fun configure(configureClosure: Closure): Task
open fun configure(closure: Closure): Task
Applies the statements of the closure against this task object.
abstract fun configure(cl: Closure): T
conventionMapping
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open fun conventionMapping(property: String, mapping: Callable<out Any>): Task
dependsOn
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open fun dependsOn(paths: Array<Any>): Task
open fun dependsOn(paths: Array<Any>): Task
Adds the given dependencies to this task.
doFirst
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open fun doFirst(action: Closure): Task
abstract fun doFirst(@DelegatesTo(value = Task::class) action: Closure): Task
Adds the given closure to the beginning of this task's action list.
open fun doFirst(action: Action<in Task>): Task
open fun doFirst(actionName: String, action: Action<in Task>): Task
open fun doFirst(action: Action<in Task>): Task
Adds the given Action to the beginning of this task's action list.
doLast
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open fun doLast(action: Closure): Task
abstract fun doLast(@DelegatesTo(value = Task::class) action: Closure): Task
Adds the given closure to the end of this task's action list.
open fun doLast(action: Action<in Task>): Task
open fun doLast(actionName: String, action: Action<in Task>): Task
open fun doLast(action: Action<in Task>): Task
Adds the given Action to the end of this task's action list.
doNotTrackState
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abstract fun doNotTrackState(reasonNotToTrackState: String)
open fun doNotTrackState(reasonNotToTrackState: String)
Do not track the state of the task.
doNotTrackStateIf
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open fun doNotTrackStateIf(reason: String, spec: Spec<in TaskInternal>)
exclude
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open fun exclude(excludeSpec: Closure): SourceTask
open fun exclude(excludeSpec: Spec<FileTreeElement>): SourceTask
abstract fun exclude(excludeSpec: Closure): PatternFilterable
abstract fun exclude(excludeSpec: Spec<FileTreeElement>): PatternFilterable
Adds an exclude spec.
open fun exclude(excludes: Iterable<String>): SourceTask
open fun exclude(excludes: Array<String>): SourceTask
abstract fun exclude(excludes: Iterable<String>): PatternFilterable
abstract fun exclude(excludes: Array<String>): PatternFilterable
Adds an ANT style exclude pattern.
finalizedBy
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open fun finalizedBy(paths: Array<Any>): Task
open fun finalizedBy(paths: Array<Any>): Task
Adds the given finalizer tasks for this task.
getActions
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open fun getActions(): List<Action<in Task>>
open fun getActions(): List<Action<in Task>>
Returns the sequence of Action objects which will be executed by this task, in the order of execution.
getAnt
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open fun getAnt(): AntBuilder
open fun getAnt(): AntBuilder
Returns the `AntBuilder` for this task.
getAsDynamicObject
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open fun getAsDynamicObject(): DynamicObject
getConfigDirectory
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@PathSensitive(value = PathSensitivity.RELATIVE)
@InputFiles
abstract fun getConfigDirectory(): DirectoryProperty
Path to other Checkstyle configuration files.
getConfigFile
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@Internal
open fun getConfigFile(): File
The Checkstyle configuration file to use.
getDependsOn
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open fun getDependsOn(): Set<Any>
open fun getDependsOn(): Set<Any>
Returns the dependencies of this task.
getDestroyables
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open fun getDestroyables(): TaskDestroyables
open fun getDestroyables(): TaskDestroyables
Returns the destroyables of this task.
getDidWork
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open fun getDidWork(): Boolean
open fun getDidWork(): Boolean
Checks if the task actually did any work.
getEnableExternalDtdLoad
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@Incubating
@Input
abstract fun getEnableExternalDtdLoad(): Property<Boolean>
Enable the use of external DTD files in configuration files.
getExcludes
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@Internal
open fun getExcludes(): Set<String>
Returns the set of exclude patterns.
getExtensions
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open fun getExtensions(): ExtensionContainer
open fun getExtensions(): ExtensionContainer
The container of extensions.
getFinalizedBy
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open fun getFinalizedBy(): TaskDependency
open fun getFinalizedBy(): TaskDependency
Returns tasks that finalize this task.
getIdentityPath
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open fun getIdentityPath(): Path
getIgnoreFailures
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open fun getIgnoreFailures(): Boolean
Specifies whether the build should break when the verifications performed by this task fail.
getIncludes
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@Internal
open fun getIncludes(): Set<String>
Returns the set of include patterns.
getInputs
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open fun getInputs(): TaskInputsInternal
@Internal
abstract fun getInputs(): TaskInputs
open fun getInputs(): TaskInputsInternal
Returns the inputs of this task.
getJavaLauncher
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abstract fun getJavaLauncher(): Property<JavaLauncher>
Java launcher used to start the worker process
getLifecycleDependencies
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open fun getLifecycleDependencies(): TaskDependencyInternal
abstract fun getLifecycleDependencies(): TaskDependency
getLocalState
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open fun getLocalState(): TaskLocalState
open fun getLocalState(): TaskLocalState
Returns the local state of this task.
getLogger
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open fun getLogger(): Logger
open fun getLogger(): Logger
Returns the logger for this task.
getLogging
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open fun getLogging(): LoggingManager
open fun getLogging(): LoggingManager
Returns the org.gradle.api.logging.LoggingManager which can be used to receive logging and to control the standard output/error capture for this task.
getMaxHeapSize
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@Optional
@Input
abstract fun getMaxHeapSize(): Property<String>
The maximum heap size for the worker process.
getMinHeapSize
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@Optional
@Input
abstract fun getMinHeapSize(): Property<String>
The minimum heap size for the worker process.
getMustRunAfter
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open fun getMustRunAfter(): TaskDependency
open fun getMustRunAfter(): TaskDependency
Returns tasks that this task must run after.
getName
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open fun getName(): String
open fun getName(): String
Returns the name of this task.
getOnlyIf
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open fun getOnlyIf(): Spec<in TaskInternal>
getOutputs
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open fun getOutputs(): TaskOutputsInternal
@Internal
abstract fun getOutputs(): TaskOutputs
open fun getOutputs(): TaskOutputsInternal
Returns the outputs of this task.
getPath
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open fun getPath(): String
open fun getPath(): String
Returns the path of the task, which is a fully qualified name for the task.
getProject
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open fun getProject(): Project
open fun getProject(): Project
Returns the Project which this task belongs to.
getReasonNotToTrackState
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open fun getReasonNotToTrackState(): Optional<String>
getReasonsNotToTrackState
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open fun getReasonsNotToTrackState(): Set<String>
getReasonTaskIsIncompatibleWithConfigurationCache
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open fun getReasonTaskIsIncompatibleWithConfigurationCache(): Optional<String>
getReports
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abstract fun getReports(): T
A ReportContainer instance.
getRequiredServices
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open fun getRequiredServices(): TaskRequiredServices
getSharedResources
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open fun getSharedResources(): List<ResourceLock>
abstract fun getSharedResources(): List<out ResourceLock>
getShouldRunAfter
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open fun getShouldRunAfter(): TaskDependency
open fun getShouldRunAfter(): TaskDependency
Returns tasks that this task should run after.
getSource
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@PathSensitive(value = PathSensitivity.RELATIVE)
open fun getSource(): FileTree
Returns the source for this task, after the include and exclude patterns have been applied.
getStandardOutputCapture
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open fun getStandardOutputCapture(): StandardOutputCapture
getState
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@Internal
abstract fun getState(): TaskState
Returns the execution state of this task.
getTaskActions
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open fun getTaskActions(): List<InputChangesAwareTaskAction>
getTaskDependencies
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open fun getTaskDependencies(): TaskDependencyInternal
@Internal
abstract fun getTaskDependencies(): TaskDependency
open fun getTaskDependencies(): TaskDependencyInternal
Returns a TaskDependency which contains all the tasks that this task depends on.
getTaskIdentity
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open fun getTaskIdentity(): TaskIdentity<out Any>
getTemporaryDir
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open fun getTemporaryDir(): File
open fun getTemporaryDir(): File
Returns a directory which this task can use to write temporary files to.
getTemporaryDirFactory
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open fun getTemporaryDirFactory(): Factory<File>
hasProperty
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open fun hasProperty(propertyName: String): Boolean
open fun hasProperty(propertyName: String): Boolean
Determines if this task has the given property.
hasTaskActions
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open fun hasTaskActions(): Boolean
include
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open fun include(includeSpec: Closure): SourceTask
open fun include(includeSpec: Spec<FileTreeElement>): SourceTask
abstract fun include(includeSpec: Closure): PatternFilterable
abstract fun include(includeSpec: Spec<FileTreeElement>): PatternFilterable
Adds an include spec.
open fun include(includes: Iterable<String>): SourceTask
open fun include(includes: Array<String>): SourceTask
abstract fun include(includes: Iterable<String>): PatternFilterable
abstract fun include(includes: Array<String>): PatternFilterable
Adds an ANT style include pattern.
injectIntoNewInstance
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open fun <T : Task?> injectIntoNewInstance(project: ProjectInternal, identity: TaskIdentity<T>, factory: Callable<T>): T
isCompatibleWithConfigurationCache
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open fun isCompatibleWithConfigurationCache(): Boolean
isEnabled
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open fun isEnabled(): Boolean
isHasCustomActions
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open fun isHasCustomActions(): Boolean
isIgnoreFailures
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@Internal
open fun isIgnoreFailures(): Boolean
Whether the build should break when the verifications performed by this task fail.
isShowViolations
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@Console
open fun isShowViolations(): Boolean
Whether rule violations are to be displayed on the console.
mustRunAfter
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open fun mustRunAfter(paths: Array<Any>): Task
open fun mustRunAfter(paths: Array<Any>): Task
Specifies that this task must run after all of the supplied tasks.
notCompatibleWithConfigurationCache
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abstract fun notCompatibleWithConfigurationCache(reason: String)
open fun notCompatibleWithConfigurationCache(reason: String)
Specifies that this task is not compatible with the configuration cache.
onlyIf
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open fun onlyIf(onlyIfClosure: Closure)
abstract fun onlyIf(onlyIfClosure: Closure<out Any>)
open fun onlyIf(onlyIfClosure: Closure)
Execute the task only if the given closure returns true.
open fun onlyIf(spec: Spec<in Task>)
open fun onlyIf(onlyIfReason: String, spec: Spec<in Task>)
abstract fun onlyIf(onlyIfSpec: Spec<in Task>)
@Incubating
abstract fun onlyIf(onlyIfReason: String, onlyIfSpec: Spec<in Task>)
Execute the task only if the given spec is satisfied.
prependParallelSafeAction
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open fun prependParallelSafeAction(action: Action<in Task>)
property
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open fun property(propertyName: String): Any
open fun property(propertyName: String): Any
Returns the value of the given property of this task.
reports
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open fun reports(@DelegatesTo(value = CheckstyleReports::class, strategy = Closure.DELEGATE_FIRST) closure: Closure): CheckstyleReports
open fun reports(configureAction: Action<in CheckstyleReports>): CheckstyleReports
Configures the reports to be generated by this task.
restoreOnlyIf
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open fun restoreOnlyIf(onlyIf: Spec<in TaskInternal>)
restoreTaskActions
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open fun restoreTaskActions(taskActions: List<InputChangesAwareTaskAction>)
run
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open fun run()
setActions
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open fun setActions(replacements: List<Action<in Task>>)
abstract fun setActions(actions: List<Action<in Task>>)
open fun setActions(replacements: List<Action<in Task>>)
Sets the sequence of Action objects which will be executed by this task.
setConfigFile
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open fun setConfigFile(configFile: File)
The Checkstyle configuration file to use.
setDependsOn
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open fun setDependsOn(dependsOn: Iterable<out Any>)
abstract fun setDependsOn(dependsOnTasks: Iterable<out Any>)
open fun setDependsOn(dependsOn: Iterable<out Any>)
Sets the dependencies of this task.
setDidWork
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open fun setDidWork(didWork: Boolean)
open fun setDidWork(didWork: Boolean)
Sets whether the task actually did any work.
setExcludes
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open fun setExcludes(excludes: Iterable<String>): SourceTask
abstract fun setExcludes(excludes: Iterable<String>): PatternFilterable
Set the allowable exclude patterns.
setFinalizedBy
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open fun setFinalizedBy(finalizedByTasks: Iterable<out Any>)
abstract fun setFinalizedBy(finalizedBy: Iterable<out Any>)
open fun setFinalizedBy(finalizedByTasks: Iterable<out Any>)
Specifies the set of finalizer tasks for this task.
setIgnoreFailures
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open fun setIgnoreFailures(ignoreFailures: Boolean)
Specifies whether the build should break when the verifications performed by this task fail.
setIncludes
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open fun setIncludes(includes: Iterable<String>): SourceTask
abstract fun setIncludes(includes: Iterable<String>): PatternFilterable
Set the allowable include patterns.
setMustRunAfter
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open fun setMustRunAfter(mustRunAfterTasks: Iterable<out Any>)
abstract fun setMustRunAfter(mustRunAfter: Iterable<out Any>)
open fun setMustRunAfter(mustRunAfterTasks: Iterable<out Any>)
Specifies the set of tasks that this task must run after.
setOnlyIf
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open fun setOnlyIf(onlyIfClosure: Closure)
abstract fun setOnlyIf(onlyIfClosure: Closure<out Any>)
Execute the task only if the given closure returns true.
open fun setOnlyIf(spec: Spec<in Task>)
open fun setOnlyIf(onlyIfReason: String, spec: Spec<in Task>)
abstract fun setOnlyIf(onlyIfSpec: Spec<in Task>)
@Incubating
abstract fun setOnlyIf(onlyIfReason: String, onlyIfSpec: Spec<in Task>)
open fun setOnlyIf(spec: Spec<in Task>)
Execute the task only if the given spec is satisfied.
setProperty
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open fun setProperty(name: String, value: Any)
open fun setProperty(name: String, value: Any)
Sets a property of this task.
setShouldRunAfter
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open fun setShouldRunAfter(shouldRunAfterTasks: Iterable<out Any>)
abstract fun setShouldRunAfter(shouldRunAfter: Iterable<out Any>)
open fun setShouldRunAfter(shouldRunAfterTasks: Iterable<out Any>)
Specifies the set of tasks that this task should run after.
setShowViolations
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open fun setShowViolations(showViolations: Boolean)
Whether rule violations are to be displayed on the console.
setSource
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open fun setSource(source: Any)
open fun setSource(source: FileTree)
Sets the source for this task.
shouldRunAfter
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open fun shouldRunAfter(paths: Array<Any>): TaskDependency
open fun shouldRunAfter(paths: Array<Any>): TaskDependency
Specifies that this task should run after all of the supplied tasks.
source
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open fun source(@Nullable sources: Array<@Nullable Any>): SourceTask
Adds some source to this task.
usesService
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open fun usesService(service: Provider<out BuildService<out Any>>)
open fun usesService(service: Provider<out BuildService<out Any>>)
Registers a BuildService that is used by this task so its constraint on parallel execution can be honored.