class AdapterClass
{
    //how could it look like?
}

class AdapterClassFactory
{
    //input
    public AdapterClass generateByJSONString(String input)
    public AdapterClass generateByXMLString(String input)
    public AdapterClass generateByResultSet(ResultSet input)
    public AdapterClass generateByCSV(String input)

    //output
    public String generateJSONString(AdapterClass input)
    public String generateXMLString(AdapterClass input)
    public ResultSet generateResultSet(AdapterClass input)
    public String generateCSV(AdapterClass input)
}