class BookController {
def downloadFile() {
byte[] bytes = // read bytes
response.outputStream << bytes
}
}response
Purpose
The {grailsdocs}ref/Servlet%20API/response.html[response] object is an instance of the Servlet API’s {javaee}javax/servlet/http/HttpServletResponse.html[HttpServletResponse] class
Examples
Description
The Servlet API’s HttpServletResponse class can be used within Grails to perform all typical activities such as writing out binary data, writing directly to the response and sending error response codes to name but a few. Refer to the documentation on the {javaee}javax/servlet/http/HttpServletResponse.html[HttpServletResponse] class in the Servlet API for more information.
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The additional methods added to the {grailsdocs}ref/Servlet%20API/response.html[response] object are documented in the Grails Servlet API reference guide |