Grails write to response output stream safely

write_to_outputstream

def outputStream = response.outputStream
response.setContentType("application/octet-stream")
response.setHeader("Content-disposition", "filename=\"${name}\"")

try {
    outputStream << <Your byte array here>
} catch (IOException e){
    null
} finally {
    if (outputStream != null){
        try {
            outputStream.close()
        } catch (IOException e) {
            null
        }
    }
}