Rule File Examples

Here are some example rule files:

• RemoveUnneededCasts.rules: a single-rule script that tests for whether the type of a Java expression is an instance of the type it is being cast to, and if so, removes the cast.
• FindEJBs.rules: reports which classes implement J2EE EJB interfaces.
• SwingUtilitiesToEventQueue.rules: moves references to those SwingUtilities methods that were moved to the EventQueue in Java 1.3.
• Cleanup.rules: removes common code redundancy, simplifying the source without changing its functionality.
• Deprecated.rules:  example of how to convert deprecated method references to non-deprecated references.
• SimplifyBooleanExpressions.rules: converts complex boolean expressions into their simpler equivalents.
• AddConditionals.rules: replaces simple if/then/else statements with conditional expression statements.
• RemoveConditionals.rules: replaces conditional expression statements with if/then/else statements.
• StringBufferToStringBuilder.rules: converts StringBuffer references to use Java 5's faster StringBuilder class.
• StringTokenizerToScanner.rules: converts StringTokenizer references to use Java 5's Scanner class.
• log4j.rules: converts Log4J logging method references to the java.util.logging package. Contributed by the JXTA engineering team.