private void processHead(ChannelHandlerContext context, FullHttpRequest request) {
HttpHeaders headers = request.headers();
FullHttpResponse response = null;
if (headers.contains(Names.CONTENT_LENGTH)) {
try {
File file = getRequestedFile(request.getUri());
response =
new DefaultFullHttpResponse(
HTTP_1_1, request.getDecoderResult().isSuccess() ? OK : BAD_REQUEST);
HttpHeaders.setContentLength(response, file.length());
} catch (FileNotFoundException | URISyntaxException e) {
response = getBadRequest(e.getMessage());
}
}
context.writeAndFlush(response);
}
private void processGet(ChannelHandlerContext context, FullHttpRequest request) {
try {
File file = getRequestedFile(request.getUri());
RandomAccessFile raf = new RandomAccessFile(file, "r");
long fileLength = raf.length();
HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
HttpHeaders.setContentLength(response, fileLength);
setContentTypeHeader(response, file);
context.write(response);
context.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength));
// Write the end marker.
ChannelFuture future = context.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
future.addListener(ChannelFutureListener.CLOSE);
} catch (IOException | URISyntaxException e) {
context.writeAndFlush(getBadRequest(e.getMessage()));
}
}