Contributions are welcome and be fully credited <3
Geotools will use the Symfony2 Coding Standard. The easiest way to apply these conventions is to install PHP_CodeSniffer and the Opensky Symfony2 Coding Standard.
You may be interested in PHP Coding Standards Fixer.
$ pear install PHP_CodeSniffer
$ cd `pear config-get php_dir`/PHP/CodeSniffer/Standards
$ git clone git://github.com/opensky/Symfony2-coding-standard.git Symfony2
$ phpcs --config-set default_standard Symfony2$ phpcs src/Happy coding !