Version 1.0.0

SBT:

• Support for sbt 1.0.0
• #65: Add a new “failOnWarning” parameter - fail if there are scalastyle warnings, not just on error
• Fix: #47 scalastyleSources does not include all unmanaged sources by default

Additions / bugfixes:

• Fix: #265 Fixes for destructuring in FieldNamesChecker
• Fix: #266 ScalaDocChecker indentStyle & ignoreOverride documentation inaccurate

Version 0.9.0

New rules:

• PackageNamesChecker - check package names against a regular expression
• EmptyInterpolatedStringChecker - check for empty string interpolations
• NoWhitespaceBeforeRightBracketChecker - check for whitespace before right brackets
• MethodArgumentNamesChecker - check method arguments against a reguilar expression
• OverrideJavaChecker - Check for use of java Override annotation
• NamedArgumentChecker - Checks that argument literals are named

Additions / bugfixes:

• Supports scala 2.12
• Fix: #260 - Not all interpolation types require variables
• Fix: #199 and #255 FieldNamesChecker desctructuring and object fields
• Fix: #253 Enforce ScalaDoc indentation
• Fix: #224 ScalaDocChecker supports comments inheritance
• Fix: #225 ScalaDocChecker takes into account valid constrained type parameter declarations
• Fix: #217 Add a CyclomaticComplexityChecker option to ignore “case” keyword
• Add parameter ignoreComments to MethodLengthChecker
• Fix: #204 NullChecker option to tolerate comparisons with null
• Fix: #236 ImportsChecker: allow actual lexicographic sorting
• Fix: #234 Add “exceptions” param for UnderscoreImportChecker
• Merge pull request #153 classParamIndentSize in indentation checker
• BUGFIX Class and Object name check entire name
• Fix: #201 ScalaDocChecker: Add ignoreTokenTypes option
• Fix: #220 Add “ignoreRegex” param for UnderscoreImportChecker
• Fix: #194 Fix indentation check for classes where invocation is mistaken for a parameter list
• option to ignore entire lines of whitespace for WhitespaceEndOfLineChecker
• Improvements in error messages

SBT:

• Fix: #45 Fix scalastyleConfig in multi-project builds
• Fix: #52 Upgrade to AutoPlugin
• Add a new “silent” parameter - suppress logging of results to the sbt log

Version 0.8.0

New rules:

• TodoCommentChecker - tests for presence of TODOs and FIXMEs
• ImportGroupingChecker - checks grouping and ordering of imports
• PatternMatchChecker - checks alignment of arrows in pattern matches

New parameters to existing checkers

• RegexChecker has a line parameter which allows line by line regular expression matching
• IndentationChecker has methodParamIndentSize parameter which allows specification of the amount of indentation for multi-line method parameters
• ScalaDocChecker has a ignoreRegex parameter into the ScalaDocChecker - classes which match are not checked

Other:

• sbt plugin - sources can be specified to scalastyle using the scalastyleSources setting - this is by default scalaSource
• sbt plugin - quiet flag is more quiet

• command line - option added to ignore certain files via un regex

• Fix: #159 TextOutput takes account of quiet and verbose
• Fix: #123 False positive in ScalaDocChecker
• Fix: #145 ProcedureDeclarationChecker - a constructor with a body containing braces was not correctly handled
• Fix: #33 Cyclomatic complexity - an inner method is not counted as part of a method for the cyclomatic complexity calculation
• Fix: #144 // scalastyle:ignore did not work

• Fix: #157 Use scalariform 0.1.7, which fixes some problems with Scala 2.11, including #156

• Various documentation fixes

Version 0.7.0

New rules:

• FieldNameChecker - check the names of fields
• XmlLiteralChecker - check the use of XML literals

Also:

• Fix SpacesAfterPlusChecker - only applies to infix expressions #124
• Fix PublicMethodsHaveTypeChecker should not flag nested defs #48
• lots of documentation improvements
• maven plugin creates directories if necessary
• Add support for external rules #25 custom-rules

Version 0.6.0

New rules:

• IndentationChecker - check the indentation of your code
• NonASCIICharacterChecker - check for use of non-ascii characters

Also:

• Support for 2.11
• sbt plugin - support for AutoPlugin #21
• sbt plugin - Add support for running scalastyle over test sources #27
• sbt plugin - Add support for remote config file (downloads once per day) #25
• sbt plugin - fix various logging issues #28
• HeaderMatchesChecker supports regular expressions #120
• scalastyle-batch is now an uberjar, not a zip. See scalastyle-batch.jar
• Incorrect error messages from the sbt plugin #117
• Fix EnsureSingleSpaceAfterTokenChecker when token is first one on line. #119
• Various bugfixes in the ScalaDocChecker

Version 0.5.0

New rules:

• DisallowSpaceAfterTokenChecker - check that no space appears after token(s)
• DisallowSpaceBeforeTokenChecker - check that no space appears before token(s)
• EnsureSingleSpaceAfterTokenChecker - check that a space appears after token(s)
• EnsureSingleSpaceBeforeTokenChecker - check that a space appears before token(s)
• ScalaDocChecker - checks that scaladoc exists for all members of a class
• SpaceAfterCommentStartChecker - checks that all comment lines start with a space

Also:

• End of support for 2.9.x
• End of support for Eclipse indigo, juno. Only kepler now supported. The others will still probably work.

Fixed crash on triple quoted interpolation #103

• Uses com.typesafe.config rather than java properties - this may help usage of custom checkers
• Removed scopt dependency
• Include stacktrace in error message when checkers throw an exception. #91
• IllegalImportsChecker now has exemptImports parameter
• sbt plugin now uses sbt logging, not println
• Add support for quiet/verbose output in TextOutput

Version 0.4.0

New rules:

• ForBraceChecker - use braces instead of parens in for comprehensions
• ProcedureDeclarationChecker - check use of def foo(): Unit = {} rather than def foo() {}

Also:

• Added info severity level #72
• Can ignore a rule on a single line using // scalastyle:ignore
• Update the cli to scopt 3.2.0 #75
• Fixes MagicNumberCheck issues warning for 0L #69
• Cyclomatic complexity checker now displays the actual figure, not just the limit #60
• Added option to ignore line length of import statements in FileLineLengthCheckerTest

Maven plugin:

• Configuration file can be URL, classpath (using a dependency) or default configuration from Scalastyle jar

sbt plugin:

• Added failOnError setting - if true sbt will fail the build on Scalastyle errors #10
• Build for 0.13.0 as well

Eclipse plugin:

• Don’t check derived resources #14

Version 0.3.2

• Bugfixes with BlockImportChecker
• Empty files no longer checked
• Eclipse plugin: Don’t check style in resources not on the classpath
• Double click to edit configurations
• Fixed problems with dependency in sbt plugin

Version 0.3.1

• Dependency problems with maven plugin
• Dependency problems with sbt plugin

Version 0.3.0

• Support for 2.10
• Skip PublicMethodsHaveTypeChecker for constructors
• Skip PublicMethodsHaveTypeChecker when function body does not exist
• Added ignoreOverride parameter for PublicMethodsHaveTypeChecker, if true, don’t check methods with override
• For method names, ignore mutators by default (foo=_())
• Allow declaration of a customID for rules, if a rule has more than one instance (for example a regex)
• Add rule for block imports
• Catch usage of ??? operator

Version 0.2.0

• Redundant if checker - check for if (x) then true else false
• A token regular expression checker - similar to the regular expression checker, except that it only detects tokens, so println in a comment won’t match
• DeprecatedJavaChecker - check usage of @Deprecated as a java annotation
• Empty class checker - warns if an empty class is used
• underscore import checker - warns on use of wildcard imports
• Lowercase pattern matcher checker - warns on use of a lowercase pattern match case x => foo, which can cause unexpected behaviour
• duplicated string literals in a file checker.
• Import grouping checker

Also:

• Upgrade to Scala 2.9.2
• An SBT plugin, which generates checkstyle type report xml for jenkins
• Correct handling of file encoding in the maven and Eclipse plugins
• The maven plugin can optionally generate checkstyle type report xml for jenkins
• Corrections to the import checker, to cope with import selectors

Version 0.1.0

The first release of Scalastyle.

The following checkers were added:

• ClassNamesChecker - Check that class names match a regular expression
• CovariantEqualsChecker - Check that classes and objects do not define equals without overriding equals(java.lang.Object).
• CyclomaticComplexityChecker - Checks that the cyclomatic complexity of a method does exceed a value
• EqualsHashCodeChecker - Check that if a class implements either equals or hashCode, it should implement the other
• FileLengthChecker - Check the number of lines in a file
• FileLineLengthChecker - Check the number of characters in a line
• FileTabChecker - Check that there are no tabs in a file
• HeaderMatchesChecker - Check the first lines of each file matches the text
• IfBraceChecker - Checks that if statement have braces
• IllegalImportsChecker - Check that a class does not import certain classes
• MagicNumberChecker - Checks for use of magic numbers
• MethodLengthChecker - Checks that methods do not exceed a maximum length
• MethodNamesChecker - Check that method names match a regular expression
• NewLineAtEofChecker - Checks that a file ends with a newline character
• NoCloneChecker - Check that classes and objects do not define the clone() method
• NoFinalizeChecker - Check that classes and objects do not define the finalize() method
• NoNewLineAtEofChecker - Checks that a file does not end with a newline character
• NoWhitespaceAfterLeftBracketChecker - No whitespace after left bracket ‘[’
• NoWhitespaceBeforeLeftBracketChecker - No whitespace before left bracket ‘[’
• NullChecker - Check that null is not used
• NumberOfMethodsInTypeChecker - Check that a class / trait / object does not have too many methods
• NumberOfTypesChecker - Checks that there are not too many types declared in a file
• ObjectNamesChecker - Check that object names match a regular expression
• PackageObjectNamesChecker - Check that package object names match a regular expression
• ParameterNumberChecker - Maximum number of parameters for a method
• PublicMethodsHaveTypeChecker - Check that a method has an explicit return type, it is not inferred
• RegexChecker - Checks that a regular expression cannot be matched, if found reports this
• ReturnChecker - Check that return is not used
• SimplifyBooleanExpressionChecker - Boolean expression can be simplified
• SpacesAfterPlusChecker - Check that the plus sign is followed by a space
• SpacesBeforePlusChecker - Check that the plus sign is preceded by a space
• StructuralTypeChecker - Check that structural types are not used.
• UppercaseLChecker - Checks that if a long literal is used, then an uppercase L is used
• VarFieldChecker - Checks that classes and objects do not define mutable fields
• VarLocalChecker - Checks that functions do not define mutable variables
• WhileChecker - Checks that while is not used
• WhitespaceEndOfLineChecker - Check that there is no trailing whitespace at the end of lines