dap4/d4servlet/src/main/java/dap4/servlet/DapController.java
void
    setEndianness(DapDataset dmr, ByteOrder order)
            throws DapException
    {
        DapAttribute a = dmr.findAttribute(DapUtil.LITTLEENDIANATTRNAME);
        if(a == null) {
            a = new DapAttribute(DapUtil.LITTLEENDIANATTRNAME, DapType.UINT8);
            dmr.addAttribute(a);
        }
        //ByteOrder order = (ByteOrder) cxt.get(Dap4Util.DAP4ENDIANTAG);
        String oz = (order == ByteOrder.BIG_ENDIAN ? "0" : "1");
        a.setValues(new String[]{oz});
    }
void
    setEndianness(DapDataset dmr, ByteOrder order)
            throws DapException
    {
        DapAttribute a = dmr.findAttribute(DapUtil.LITTLEENDIANATTRNAME);
        if(a == null) {
            a = new DapAttribute(DapUtil.LITTLEENDIANATTRNAME, DapType.UINT8);
            dmr.addAttribute(a);
        }
        //ByteOrder order = (ByteOrder) cxt.get(Dap4Util.DAP4ENDIANTAG);
        String oz = (order == ByteOrder.BIG_ENDIAN ? "0" : "1");
        a.setValues(new String[]{oz});
    }
Set special attribute: endianness : overwrite exiting value

@param dmr
@param order
@throws DapException