def getDataTypeList() {
        log.debug "in $controllerName - $actionName... $params"
        def result = [:]
        def excludeDataType = ['Date']
        try {
            def dataTypeList = []
            DataTypeMapping.list().each { obj ->
                if (!excludeDataType.contains(obj.name)) {
                    dataTypeList.add([id: obj.name, name: obj.name, isComplex: obj.isComplex])
                }
            }
            result.dataTypeList = dataTypeList
            result.isSuccess = "Y"
            result.message = ""
        } catch (Exception e) {
            log.error(ExceptionUtils.getStackTrace(e))
            result.isSuccess = "N"
            result.message = "Error"
        }
        render result as JSON
    }