SonarSource/sonar — pull request #32 by hansjoachim (2013-11-02 18:37:27+00:00)
Title: Fixes a couple of issues by using interfaces rather than a specific implementation

Hi,
after taking a look at http://nemo.sonarqube.org/dashboard/index/48569 for some low-hanging fruit, I fixed some various instances where interfaces could be used instead of specific implementations.