question: private void runInitFunctionIfRequired ( String url , Connection connection ) throws SQLException { Matcher matcher = INITFUNCTION_MATCHING_PATTERN . matcher ( url ) ; if ( matcher . matches ( ) ) { String className = matcher . group ( 2 ) ; String methodName = matcher . group ( 4 ) ; try { Class < ? > initFunctionClazz = Class . forName ( className ) ; Method method = initFunctionClazz . getMethod ( methodName , Connection . class ) ; method . invoke ( null , connection ) ; } catch ( ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e ) { LOGGER . error ( "Error while executing init function: {}::{}" , className , methodName , e ) ; throw new SQLException ( "Error while executing init function: " + className + "::" + methodName , e ) ; } } }
target:  Run an init function (must be a public static method on an accessible class).