Here you can find the source of isBinary(int jdbcType)
public static boolean isBinary(int jdbcType)
//package com.java2s; import java.sql.Types; public class Main { public static boolean isBinary(int jdbcType) { switch (jdbcType) { case Types.BINARY: case Types.VARBINARY: case Types.LONGVARBINARY: return true; default://ww w . j av a 2s. co m return false; } } }