}
        }
        return buf.toString();
    }

    public void setUseFilename(final boolean useFilename) {
        this.useFilename = useFilename;
    }

    public void setUseFilenameOnOctetStream(final boolean useFilenameOnOctetStream) {
        this.useFilenameOnOctetStream = useFilenameOnOctetStream;
    }