Here you can find the source of isSupportedDataType(int type, String typeName)
private static boolean isSupportedDataType(int type, String typeName)
//package com.java2s; //License from project: LGPL import java.sql.Types; public class Main { private static boolean isSupportedDataType(int type, String typeName) { switch (type) { case Types.BLOB: case Types.BINARY: case Types.VARBINARY: case Types.STRUCT: case Types.DISTINCT: case Types.REF: case Types.JAVA_OBJECT: case Types.OTHER: case Types.ARRAY: return false; default://from ww w . j a v a 2 s . com return true; } } }