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.
Parameter Details <cacheFile>Specifies the cache file used to speed up Checkstyle on successive runs.
java.lang.String
No
${project.build.directory}/checkstyle-cachefile
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> ...
org.codehaus.plexus.configuration.PlexusConfiguration
2.12
No
The header to use for the inline configuration. Only used when you specify checkstyleRules
.
java.lang.String
No
<?xml version="1.0"?> <!DOCTYPE module PUBLIC "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN" "https://checkstyle.org/dtds/configuration_1_3.dtd">
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.java.lang.String
2.5
No
checkstyle.config.location
sun_checks.xml
Output errors to console.
boolean
No
checkstyle.consoleOutput
false
Specifies whether generated source files should be excluded from Checkstyle.
boolean
3.3.1
No
checkstyle.excludeGeneratedSources
false
Specifies the names filter of the source files to be excluded for Checkstyle.
java.lang.String
No
checkstyle.excludes
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.
boolean
No
checkstyle.failOnViolation
true
boolean
No
false
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>
java.lang.String
2.0-beta-2
No
checkstyle.header.file
LICENSE.txt
Whether to apply Checkstyle to resource directories.
boolean
2.11
Yes
checkstyle.includeResources
true
Whether to apply Checkstyle to test resource directories.
boolean
2.11
Yes
checkstyle.includeTestResources
true
Include or not the test source directory to be used for Checkstyle.
boolean
2.2
No
false
Specifies the names filter of the source files to be used for Checkstyle.
java.lang.String
Yes
checkstyle.includes
**\/*.java
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.
java.lang.String
2.2
No
encoding
${project.build.sourceEncoding}
Output the detected violation count to the console.
boolean
3.0.1
No
checkstyle.logViolationCount
true
Output the detected violations to the console.
boolean
2.3
No
checkstyle.console
true
The maximum number of allowed violations. The execution fails only if the number of violations is above this limit.
int
2.3
No
checkstyle.maxAllowedViolations
0
Specifies whether modules with a configured severity of ignore
should be omitted during Checkstyle invocation.
boolean
3.0.0
No
false
Specifies the path and filename to save the Checkstyle output. The format of the output file is determined by the outputFileFormat
parameter.
java.io.File
No
checkstyle.output.file
${project.build.directory}/checkstyle-result.xml
Specifies the format of the output to be used when writing to the output file. Valid values are "plain
", "sarif
" and "xml
".
java.lang.String
No
checkstyle.output.format
xml
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).
java.lang.String
2.5
No
checkstyle.properties.location
Allows for specifying raw property expansion information.
java.lang.String
No
Specifies the names filter of the files to be excluded for Checkstyle when checking resources.
java.lang.String
2.11
No
checkstyle.resourceExcludes
Specifies the names filter of the files to be used for Checkstyle when checking resources.
java.lang.String
2.11
Yes
checkstyle.resourceIncludes
**/*.properties
Dump file for inlined Checkstyle rules.
java.io.File
No
checkstyle.output.rules.file
${project.build.directory}/checkstyle-rules.xml
Skip entire check.
boolean
2.2
No
checkstyle.skip
false
Skip Checkstyle execution will only scan the outputFile.
boolean
2.5
No
checkstyle.skipExec
false
Specifies the location of the source directories to be used for Checkstyle. Default value is ${project.compileSourceRoots}
.
java.util.List<java.lang.String>
2.13
No
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.
java.io.File
No
The key to be used in the properties for the suppressions file.
java.lang.String
2.1
No
checkstyle.suppression.expression
checkstyle.suppressions.file
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.
java.lang.String
2.0-beta-2
No
checkstyle.suppressions.location
Specifies the location of the test source directories to be used for Checkstyle. Default value is ${project.testCompileSourceRoots}
.
java.util.List<java.lang.String>
2.13
No
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.
java.io.File
2.2
No
If null
, the Checkstyle plugin will display violations on stdout. Otherwise, a text file will be created with the violations.
java.io.File
No
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.
java.lang.String
2.13
No
checkstyle.violation.ignore
The lowest severity level that is considered a violation. Valid values are "error
", "warning
" and "info
".
java.lang.String
2.2
No
checkstyle.violationSeverity
error
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