Checkstyle 2
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Release 2.3
New features:
- Support checking to determine if an unused @throws exception is a subclass of java.lang.RuntimeException (request 540382).
- Detect instantiations of classes that should not be instantiated (e.g. java.lang.Boolean) (request 550205).
- Added ability to specify the base directory for reporting file names (request 571161).
- Check for line wrapping on operators (request 553160).
- Detect empty try blocks.
- Detect empty catch blocks (request 516255).
- Detect empty finally blocks.
- Detect to-do comments (request 504275).
- Detect use of lowercase l ("ell") in long integer literals.
- Include column number in the XML output (request 555262).
- Added ability to specify a properties file on the command line (request 557544).
- Check for whitespace around "{" and "}" (request 557544).
- Fix Javadoc errors under JDK 1.4 (request 568553).
- Detect redundant abstract modifier in interfaces (request 573485).
- Support running Checkstyle using the -jar option.
Resolved bugs:
- Better error reporting for missing properties files (bug 576165).
- Ant task now logs style violations as errors (bug 561616).
API changes (only relevant for IDE plugin authors):
- The get/setOutputStream methods have been removed from the AuditListener interface. The XMLLogger and DefaultLogger implementations now expect OutputStreams to be provided as a constructor argument.
- The DefaultLogger now differentiates between info messages ("started checking file ...", etc.) and error messages (style errors found by checkstyle).
Release 2.2
Resolved bugs:
- The cache was not invalidated upon parameter change (Bug 522282).
- Tabs were not counted correctly in line length checks (Bug 524671).
- Problem when a Checker could not be created (Bug 528358).
- The documentation of the command line property names did not list the property checkstyle.allow.tabs (Bug 529975).
- The default regular expression for constant names allowed consecutive '_' characters to occur (Bug 540358).
- Checkstyle reported unused @throws tag for multiple declarations of the same Exception. According to the Java BugParade this is incorrect, multiple @throws tags for the same exception are OK (Bug 540384).
New features:
- added check for whitespace around '()'
- added support for JDK 1.4 assert statements
- added column number to error messages for better Emacs integration
- added possibility to disable line-length checking by means of regular expressions
- added possibility to disallow import of package hierarchies, e.g. sun.*
- added failureProperty to ANT task
- added check for 'public' modifier in interface method declarations, following the recommendation in chapter 9.4 of the Java Language Specification
- added -r "dir" option to the commandline frontend, checkstyle will find all Java files contained in the specified directory
- incorporated patch from Warner Onstine to configure the ANT task by means of a property file
- added 'contrib' directory, contains XSL stylesheets for formating checkstyle's XML output (contributions by Ingmar Stein, Stephane Bailliez, Scott McCrory and Gray Herter)
Release 2.1
New features:
- added check for package.html
- added flag allowPackage which acts similar as allowProtected
- added support for ignoring multiple lines in the file header
- added support for specifying the file header by means of regular expressions
- added whitespace checks around '.', e.g. System . out . println()
- added check for names of methods and local variables
- check the order of modifiers (public, static, etc.) against the recommendation in the Java Language specification
- added checks for curly braces placement
- incorporated patch from Andrew Lang for more robust Javadoc parsing
Release 2.0
Changes:
- Now released under the GNU Lesser General Public License (LGPL).
- Fix bug #508010, documentation and code are inconsistent.
- Changes to make it build "out of the box".
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