java.lang.Object
- org.apache.maven.plugin.AbstractMojo
- - org.apache.maven.plugins.checkstyle.CheckstyleViolationCheckMojo

All Implemented Interfaces:

org.apache.maven.plugin.ContextEnabled, org.apache.maven.plugin.Mojo
```
@Mojo(name="check",
      defaultPhase=VERIFY,
      requiresDependencyResolution=TEST,
      threadSafe=true)
public class CheckstyleViolationCheckMojo
extends org.apache.maven.plugin.AbstractMojo
```
Performs Checkstyle analysis and outputs violations or a count of violations to the console, potentially failing the build. It can also be configured to re-use an earlier analysis.

Version:

$Id$

Field Summary

Fields
Modifier and Type	Field	Description
`private java.lang.String`	`cacheFile`	Specifies the cache file used to speed up Checkstyle on successive runs.
`private static java.lang.String`	`CHECKSTYLE_FILE_HEADER`
`protected CheckstyleExecutor`	`checkstyleExecutor`
`private org.codehaus.plexus.configuration.PlexusConfiguration`	`checkstyleRules`	By using this property, you can specify the whole Checkstyle rules inline directly inside this pom.
`private java.lang.String`	`configLocation`	Specifies the location of the XML configuration to use.
`private boolean`	`consoleOutput`	Output errors to console.
`private java.lang.String`	`encoding`	The file encoding to use when reading the source files.
`private java.lang.String`	`excludes`	Specifies the names filter of the source files to be excluded for Checkstyle.
`private boolean`	`failOnViolation`	Fail the build on a violation.
`private boolean`	`failsOnError`	If this is true, and Checkstyle reported any violations or errors, the build fails immediately after running Checkstyle, before checking the log for `logViolationsToConsole`.
`private java.lang.String`	`headerLocation`	Specifies the location of the License file (a.k.a.
`private boolean`	`includeResources`	Whether to apply Checkstyle to resource directories.
`private java.lang.String`	`includes`	Specifies the names filter of the source files to be used for Checkstyle.
`private boolean`	`includeTestResources`	Whether to apply Checkstyle to test resource directories.
`private boolean`	`includeTestSourceDirectory`	Include or not the test source directory to be used for Checkstyle.
`private static java.lang.String`	`JAVA_FILES`
`private boolean`	`logViolationsToConsole`	Output the detected violations to the console.
`private int`	`maxAllowedViolations`	The maximum number of allowed violations.
`private boolean`	`omitIgnoredModules`	Specifies whether modules with a configured severity of `ignore` should be omitted during Checkstyle invocation.
`private java.io.File`	`outputFile`	Specifies the path and filename to save the Checkstyle output.
`private java.lang.String`	`outputFileFormat`	Specifies the format of the output to be used when writing to the output file.
`private java.io.File`	`outputXmlFile`
`private org.apache.maven.plugin.descriptor.PluginDescriptor`	`plugin`	The Plugin Descriptor
`protected org.apache.maven.project.MavenProject`	`project`	The Maven Project Object.
`private java.lang.String`	`propertiesLocation`	Specifies the location of the properties file.
`private java.lang.String`	`propertyExpansion`	Allows for specifying raw property expansion information.
`private java.lang.String`	`resourceExcludes`	Specifies the names filter of the files to be excluded for Checkstyle when checking resources.
`private java.lang.String`	`resourceIncludes`	Specifies the names filter of the files to be used for Checkstyle when checking resources.
`protected java.util.List<org.apache.maven.model.Resource>`	`resources`	Specifies the location of the resources to be used for Checkstyle.
`private java.io.File`	`rulesFiles`	Dump file for inlined Checkstyle rules.
`private boolean`	`skip`	Skip entire check.
`private boolean`	`skipExec`	Skip Checkstyle execution will only scan the outputFile.
`private java.util.List<java.lang.String>`	`sourceDirectories`	Specifies the location of the source directories to be used for Checkstyle.
`private java.io.File`	`sourceDirectory`	Deprecated. instead use `sourceDirectories`.
`private java.io.ByteArrayOutputStream`	`stringOutputStream`
`private java.lang.String`	`suppressionsFileExpression`	The key to be used in the properties for the suppressions file.
`private java.lang.String`	`suppressionsLocation`	Specifies the location of the suppressions XML file to use.
`protected java.util.List<org.apache.maven.model.Resource>`	`testResources`	Specifies the location of the test resources to be used for Checkstyle.
`private java.util.List<java.lang.String>`	`testSourceDirectories`	Specifies the location of the test source directories to be used for Checkstyle.
`private java.io.File`	`testSourceDirectory`	Deprecated. instead use `testSourceDirectories`.
`private java.io.File`	`useFile`	If `null`, the Checkstyle plugin will display violations on stdout.
`private java.lang.String`	`violationIgnore`	Violations to ignore.
`private java.lang.String`	`violationSeverity`	The lowest severity level that is considered a violation.

Fields inherited from interface org.apache.maven.plugin.Mojo
ROLE

Constructor Summary

Constructors
Constructor Description

CheckstyleViolationCheckMojo()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private void`	`checkDeprecatedParameterUsage(java.lang.Object parameter, java.lang.String name, java.lang.String replacement)`
`private java.util.List<org.apache.maven.artifact.Artifact>`	`collectArtifacts(java.lang.String hint)`
`private int`	`countViolations(org.codehaus.plexus.util.xml.pull.XmlPullParser xpp)`
`void`	`execute()`
`private java.util.List<org.apache.maven.artifact.Artifact>`	`getCheckstylePluginDependenciesAsArtifacts(java.util.Map<java.lang.String,org.apache.maven.model.Plugin> plugins, java.lang.String hint)`
`private com.puppycrawl.tools.checkstyle.DefaultLogger`	`getConsoleListener()`
`private com.puppycrawl.tools.checkstyle.api.AuditListener`	`getListener()`
`private java.io.OutputStream`	`getOutputStream(java.io.File file)`
`private java.util.List<java.io.File>`	`getSourceDirectories()`
`private java.util.List<java.io.File>`	`getTestSourceDirectories()`
`private boolean`	`ignore(RuleUtil.Matcher[] ignores, java.lang.String source)`
`private boolean`	`isViolation(java.lang.String severity)`	Checks if the given severity is considered a violation.
`private void`	`log(java.lang.String severity, java.lang.String message)`

Methods inherited from class org.apache.maven.plugin.AbstractMojo
getLog, getPluginContext, setLog, setPluginContext

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- JAVA_FILES
```
private static final java.lang.String JAVA_FILES
```
  See Also:
  
  Constant Field Values
- CHECKSTYLE_FILE_HEADER
```
private static final java.lang.String CHECKSTYLE_FILE_HEADER
```
  See Also:
  
  Constant Field Values
- outputFile
```
@Parameter(property="checkstyle.output.file",
           defaultValue="${project.build.directory}/checkstyle-result.xml")
private java.io.File outputFile
```
  Specifies the path and filename to save the Checkstyle output. The format of the output file is determined by the outputFileFormat parameter.
- outputFileFormat
```
@Parameter(property="checkstyle.output.format",
           defaultValue="xml")
private java.lang.String outputFileFormat
```
  Specifies the format of the output to be used when writing to the output file. Valid values are "plain" and "xml".
- failOnViolation
```
@Parameter(property="checkstyle.failOnViolation",
           defaultValue="true")
private boolean failOnViolation
```
  Fail the build on a violation. The goal checks for the violations after logging them (if logViolationsToConsole is true). Compare this to failsOnError which fails the build immediately before examining the output log.
- maxAllowedViolations
```
@Parameter(property="checkstyle.maxAllowedViolations",
           defaultValue="0")
private int maxAllowedViolations
```
  The maximum number of allowed violations. The execution fails only if the number of violations is above this limit.
  
  Since:
  
  2.3
- violationSeverity
```
@Parameter(property="checkstyle.violationSeverity",
           defaultValue="error")
private java.lang.String violationSeverity
```
  The lowest severity level that is considered a violation. Valid values are "error", "warning" and "info".
  
  Since:
  
  2.2
- violationIgnore
```
@Parameter(property="checkstyle.violation.ignore")
private java.lang.String violationIgnore
```
  Violations to ignore. This is a comma-separated list, each value being either a rule name, a rule category or a java package name of rule class.
  
  Since:
  
  2.13
- skip
```
@Parameter(property="checkstyle.skip",
           defaultValue="false")
private boolean skip
```
  Skip entire check.
  
  Since:
  
  2.2
- skipExec
```
@Parameter(property="checkstyle.skipExec",
           defaultValue="false")
private boolean skipExec
```
  Skip Checkstyle execution will only scan the outputFile.
  
  Since:
  
  2.5
- logViolationsToConsole
```
@Parameter(property="checkstyle.console",
           defaultValue="true")
private boolean logViolationsToConsole
```
  Output the detected violations to the console.
  
  Since:
  
  2.3
- resources
```
@Parameter(defaultValue="${project.resources}",
           readonly=true)
protected java.util.List<org.apache.maven.model.Resource> resources
```
  Specifies the location of the resources to be used for Checkstyle.
  
  Since:
  
  2.11
- testResources
```
@Parameter(defaultValue="${project.testResources}",
           readonly=true)
protected java.util.List<org.apache.maven.model.Resource> testResources
```
  Specifies the location of the test resources to be used for Checkstyle.
  
  Since:
  
  2.16
- configLocation
```
@Parameter(property="checkstyle.config.location",
           defaultValue="sun_checks.xml")
private java.lang.String configLocation
```
  Specifies the location of the XML configuration to use.
  Potential values are a filesystem path, a URL, or a classpath resource. This parameter expects that the contents of the location conform to the xml format (Checkstyle Checker module) configuration of rulesets.
  This parameter is resolved as resource, URL, then file. If successfully resolved, the contents of the configuration is copied into the ${project.build.directory}/checkstyle-configuration.xml file before being passed to Checkstyle as a configuration.
  There are 2 predefined rulesets.
  - sun_checks.xml: Sun Checks.
  - google_checks.xml: Google Checks.
  Since:
  
  2.5
- propertiesLocation
```
@Parameter(property="checkstyle.properties.location")
private java.lang.String propertiesLocation
```
  Specifies the location of the properties file.
  This parameter is resolved as URL, File then resource. If successfully resolved, the contents of the properties location is copied into the ${project.build.directory}/checkstyle-checker.properties file before being passed to Checkstyle for loading.
  The contents of the propertiesLocation will be made available to Checkstyle for specifying values for parameters within the xml configuration (specified in the configLocation parameter).
  
  Since:
  
  2.5
- propertyExpansion
```
@Parameter
private java.lang.String propertyExpansion
```
  Allows for specifying raw property expansion information.
- headerLocation
```
@Parameter(property="checkstyle.header.file",
           defaultValue="LICENSE.txt")
private java.lang.String headerLocation
```
  Specifies the location of the License file (a.k.a. the header file) that can be used by Checkstyle to verify that source code has the correct license header.
  You need to use ${checkstyle.header.file} in your Checkstyle xml configuration to reference the name of this header file.
  For instance:
```
 <module name="RegexpHeader">
   <property name="headerFile" value="${checkstyle.header.file}"/>
 </module>
 
```
  Since:
  
  2.0-beta-2
- cacheFile
```
@Parameter(defaultValue="${project.build.directory}/checkstyle-cachefile")
private java.lang.String cacheFile
```
  Specifies the cache file used to speed up Checkstyle on successive runs.
- suppressionsFileExpression
```
@Parameter(property="checkstyle.suppression.expression",
           defaultValue="checkstyle.suppressions.file")
private java.lang.String suppressionsFileExpression
```
  The key to be used in the properties for the suppressions file.
  
  Since:
  
  2.1
- suppressionsLocation
```
@Parameter(property="checkstyle.suppressions.location")
private java.lang.String suppressionsLocation
```
  Specifies the location of the suppressions XML file to use.
  This parameter is resolved as resource, URL, then file. If successfully resolved, the contents of the suppressions XML is copied into the ${project.build.directory}/checkstyle-suppressions.xml file before being passed to Checkstyle for loading.
  See suppressionsFileExpression for the property that will be made available to your Checkstyle configuration.
  
  Since:
  
  2.0-beta-2
- encoding
```
@Parameter(property="encoding",
           defaultValue="${project.build.sourceEncoding}")
private java.lang.String encoding
```
  The file encoding to use when reading the source files. If the property project.build.sourceEncoding is not set, the platform default encoding is used. Note: This parameter always overrides the property charset from Checkstyle's TreeWalker module.
  
  Since:
  
  2.2
- checkstyleExecutor
```
@Component(role=CheckstyleExecutor.class,
           hint="default")
protected CheckstyleExecutor checkstyleExecutor
```
  Since:
  
  2.5
- consoleOutput
```
@Parameter(property="checkstyle.consoleOutput",
           defaultValue="false")
private boolean consoleOutput
```
  Output errors to console.
- project
```
@Parameter(defaultValue="${project}",
           readonly=true,
           required=true)
protected org.apache.maven.project.MavenProject project
```
  The Maven Project Object.
- plugin
```
@Parameter(defaultValue="${plugin}",
           readonly=true,
           required=true)
private org.apache.maven.plugin.descriptor.PluginDescriptor plugin
```
  The Plugin Descriptor
- useFile
```
@Parameter
private java.io.File useFile
```
  If null, the Checkstyle plugin will display violations on stdout. Otherwise, a text file will be created with the violations.
- excludes
```
@Parameter(property="checkstyle.excludes")
private java.lang.String excludes
```
  Specifies the names filter of the source files to be excluded for Checkstyle.
- includes
```
@Parameter(property="checkstyle.includes",
           defaultValue="**\\/*.java",
           required=true)
private java.lang.String includes
```
  Specifies the names filter of the source files to be used for Checkstyle.
- resourceExcludes
```
@Parameter(property="checkstyle.resourceExcludes")
private java.lang.String resourceExcludes
```
  Specifies the names filter of the files to be excluded for Checkstyle when checking resources.
  
  Since:
  
  2.11
- resourceIncludes
```
@Parameter(property="checkstyle.resourceIncludes",
           defaultValue="**/*.properties",
           required=true)
private java.lang.String resourceIncludes
```
  Specifies the names filter of the files to be used for Checkstyle when checking resources.
  
  Since:
  
  2.11
- failsOnError
```
@Parameter(defaultValue="false")
private boolean failsOnError
```
  If this is true, and Checkstyle reported any violations or errors, the build fails immediately after running Checkstyle, before checking the log for logViolationsToConsole. If you want to use logViolationsToConsole, use failOnViolation instead of this.
- testSourceDirectory
```
@Deprecated
@Parameter
private java.io.File testSourceDirectory
```
  Deprecated.
  instead use testSourceDirectories. For version 3.0.0, this parameter is only defined to break the build if you use it!
  
  Specifies the location of the test source directory to be used for Checkstyle.
  
  Since:
  
  2.2
- testSourceDirectories
```
@Parameter
private java.util.List<java.lang.String> testSourceDirectories
```
  Specifies the location of the test source directories to be used for Checkstyle. Default value is ${project.testCompileSourceRoots}.
  
  Since:
  
  2.13
- includeTestSourceDirectory
```
@Parameter(defaultValue="false")
private boolean includeTestSourceDirectory
```
  Include or not the test source directory to be used for Checkstyle.
  
  Since:
  
  2.2
- sourceDirectory
```
@Deprecated
@Parameter
private java.io.File sourceDirectory
```
  Deprecated.
  instead use sourceDirectories. For version 3.0.0, this parameter is only defined to break the build if you use it!
  
  Specifies the location of the source directory to be used for Checkstyle.
- sourceDirectories
```
@Parameter
private java.util.List<java.lang.String> sourceDirectories
```
  Specifies the location of the source directories to be used for Checkstyle. Default value is ${project.compileSourceRoots}.
  
  Since:
  
  2.13
- includeResources
```
@Parameter(property="checkstyle.includeResources",
           defaultValue="true",
           required=true)
private boolean includeResources
```
  Whether to apply Checkstyle to resource directories.
  
  Since:
  
  2.11
- includeTestResources
```
@Parameter(property="checkstyle.includeTestResources",
           defaultValue="true",
           required=true)
private boolean includeTestResources
```
  Whether to apply Checkstyle to test resource directories.
  
  Since:
  
  2.11
- checkstyleRules
```
@Parameter
private org.codehaus.plexus.configuration.PlexusConfiguration checkstyleRules
```
  By using this property, you can specify the whole Checkstyle rules inline directly inside this pom.
```
 <plugin>
   ...
   <configuration>
     <checkstyleRules>
       <module name="Checker">
         <module name="FileTabCharacter">
           <property name="eachLine" value="true" />
         </module>
         <module name="TreeWalker">
           <module name="EmptyBlock"/>
         </module>
       </module>
     </checkstyleRules>
   </configuration>
   ...
 
```
  Since:
  
  2.12
- rulesFiles
```
@Parameter(property="checkstyle.output.rules.file",
           defaultValue="${project.build.directory}/checkstyle-rules.xml")
private java.io.File rulesFiles
```
  Dump file for inlined Checkstyle rules.
- omitIgnoredModules
```
@Parameter(defaultValue="false")
private boolean omitIgnoredModules
```
  Specifies whether modules with a configured severity of ignore should be omitted during Checkstyle invocation.
  
  Since:
  
  3.0.0
- stringOutputStream
```
private java.io.ByteArrayOutputStream stringOutputStream
```
- outputXmlFile
```
private java.io.File outputXmlFile
```

Constructor Detail
- CheckstyleViolationCheckMojo
```
public CheckstyleViolationCheckMojo()
```

Method Detail

execute

public void execute()
             throws org.apache.maven.plugin.MojoExecutionException,
                    org.apache.maven.plugin.MojoFailureException

Throws:: org.apache.maven.plugin.MojoExecutionException; org.apache.maven.plugin.MojoFailureException

checkDeprecatedParameterUsage

private void checkDeprecatedParameterUsage(java.lang.Object parameter,
                                           java.lang.String name,
                                           java.lang.String replacement)
                                    throws org.apache.maven.plugin.MojoFailureException

Throws:: org.apache.maven.plugin.MojoFailureException

countViolations

private int countViolations(org.codehaus.plexus.util.xml.pull.XmlPullParser xpp)
                     throws org.codehaus.plexus.util.xml.pull.XmlPullParserException,
                            java.io.IOException

Throws:: org.codehaus.plexus.util.xml.pull.XmlPullParserException; java.io.IOException

log

private void log(java.lang.String severity,
                 java.lang.String message)

isViolation
```
private boolean isViolation(java.lang.String severity)
```
Checks if the given severity is considered a violation.

Parameters:

severity - The severity to check

Returns:

true if the given severity is a violation, otherwise false

ignore

private boolean ignore(RuleUtil.Matcher[] ignores,
                       java.lang.String source)

getConsoleListener

private com.puppycrawl.tools.checkstyle.DefaultLogger getConsoleListener()
                                                                  throws org.apache.maven.plugin.MojoExecutionException

Throws:: org.apache.maven.plugin.MojoExecutionException

getOutputStream

private java.io.OutputStream getOutputStream(java.io.File file)
                                      throws org.apache.maven.plugin.MojoExecutionException

Throws:: org.apache.maven.plugin.MojoExecutionException

getListener

private com.puppycrawl.tools.checkstyle.api.AuditListener getListener()
                                                               throws org.apache.maven.plugin.MojoFailureException,
                                                                      org.apache.maven.plugin.MojoExecutionException

Throws:: org.apache.maven.plugin.MojoFailureException; org.apache.maven.plugin.MojoExecutionException

collectArtifacts

private java.util.List<org.apache.maven.artifact.Artifact> collectArtifacts(java.lang.String hint)

getCheckstylePluginDependenciesAsArtifacts

private java.util.List<org.apache.maven.artifact.Artifact> getCheckstylePluginDependenciesAsArtifacts(java.util.Map<java.lang.String,org.apache.maven.model.Plugin> plugins,
                                                                                                      java.lang.String hint)

getSourceDirectories

private java.util.List<java.io.File> getSourceDirectories()

getTestSourceDirectories

private java.util.List<java.io.File> getTestSourceDirectories()

Class CheckstyleViolationCheckMojo

Field Summary

Fields inherited from interface org.apache.maven.plugin.Mojo

Constructor Summary

Method Summary

Methods inherited from class org.apache.maven.plugin.AbstractMojo

Methods inherited from class java.lang.Object

Field Detail

JAVA_FILES

CHECKSTYLE_FILE_HEADER

outputFile

outputFileFormat

failOnViolation

maxAllowedViolations

violationSeverity

violationIgnore

skip

skipExec

logViolationsToConsole

resources

testResources

configLocation

propertiesLocation

propertyExpansion

headerLocation

cacheFile

suppressionsFileExpression

suppressionsLocation

encoding

checkstyleExecutor

consoleOutput

project

plugin

useFile

excludes

includes

resourceExcludes

resourceIncludes

failsOnError

testSourceDirectory

testSourceDirectories

includeTestSourceDirectory

sourceDirectory

sourceDirectories

includeResources

includeTestResources

checkstyleRules

rulesFiles

omitIgnoredModules

stringOutputStream

outputXmlFile

Constructor Detail

CheckstyleViolationCheckMojo

Method Detail

execute

checkDeprecatedParameterUsage

countViolations

log

isViolation

ignore

getConsoleListener

getOutputStream

getListener

collectArtifacts

getCheckstylePluginDependenciesAsArtifacts

getSourceDirectories

getTestSourceDirectories