if ( !isInitialized ) {
systemConfig = PentahoSystem.get( ISystemConfig.class );
String solutionRootPath = PentahoSystem.getApplicationContext().getSolutionRootPath();
config =
new PropertiesFileConfiguration( "rest", new File( solutionRootPath + "/system/restConfig.properties" ) );
try {
systemConfig.registerConfiguration( config );
setSessionVarWhiteList = Arrays
.asList( systemConfig.getProperty( "rest.userConsoleResource.setSessionVarWhiteList" ).split( "," ) );
getSessionVarWhiteList = Arrays