Package io.netty.handler.codec.http

Examples of io.netty.handler.codec.http.DefaultFullHttpResponse

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      if (message != null)
      {
         ByteBuf byteBuf = ctx.alloc().buffer();
         byteBuf.writeBytes(message.getBytes());

         response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, responseStatus, byteBuf);
      }
      else
      {
         response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, responseStatus);

      }
      if (keepAlive)
      {
         // Add keep alive and content length if needed
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       return res;
   }

   public DefaultHttpResponse getEmptyHttpResponse()
   {
       DefaultFullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.valueOf(getStatus()));
       res.headers().add(Names.CONTENT_LENGTH, EMPTY_CONTENT_LENGTH);
       transformResponseHeaders(res);
       return res;
   }
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      if (method.equals(HttpMethod.POST ) )
      {
         ctx.fireChannelRead(ReferenceCountUtil.retain(((FullHttpRequest) msg).content()));
         // add a new response
         responses.put(new ResponseHolder(System.currentTimeMillis() + responseTime,
               new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK)));
         ReferenceCountUtil.release(msg);
         return;
      }
      super.channelRead(ctx, msg);
   }
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    }

    private static final Pattern ALLOWED_FILE_NAME = Pattern.compile("[A-Za-z0-9][-_A-Za-z0-9\\.]*");

    private static void sendListing(ChannelHandlerContext ctx, File dir) {
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
        response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

        StringBuilder buf = new StringBuilder();
        String dirPath = dir.getPath();

        buf.append("<!DOCTYPE html>\r\n");
        buf.append("<html><head><title>");
        buf.append("Listing of: ");
        buf.append(dirPath);
        buf.append("</title></head><body>\r\n");

        buf.append("<h3>Listing of: ");
        buf.append(dirPath);
        buf.append("</h3>\r\n");

        buf.append("<ul>");
        buf.append("<li><a href=\"../\">..</a></li>\r\n");

        for (File f: dir.listFiles()) {
            if (f.isHidden() || !f.canRead()) {
                continue;
            }

            String name = f.getName();
            if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
                continue;
            }

            buf.append("<li><a href=\"");
            buf.append(name);
            buf.append("\">");
            buf.append(name);
            buf.append("</a></li>\r\n");
        }

        buf.append("</ul></body></html>\r\n");
        ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
        response.content().writeBytes(buffer);
        buffer.release();

        // Close the connection as soon as the error message is sent.
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }
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        // Close the connection as soon as the error message is sent.
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }

    private static void sendRedirect(ChannelHandlerContext ctx, String newUri) {
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, FOUND);
        response.headers().set(LOCATION, newUri);

        // Close the connection as soon as the error message is sent.
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }
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        // Close the connection as soon as the error message is sent.
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }

    private static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
        FullHttpResponse response = new DefaultFullHttpResponse(
                HTTP_1_1, status, Unpooled.copiedBuffer("Failure: " + status + "\r\n", CharsetUtil.UTF_8));
        response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");

        // Close the connection as soon as the error message is sent.
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }
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     *
     * @param ctx
     *            Context
     */
    private static void sendNotModified(ChannelHandlerContext ctx) {
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, NOT_MODIFIED);
        setDateHeader(response);

        // Close the connection as soon as the error message is sent.
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }
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    }

    private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) {
        // Handle a bad request.
        if (!req.decoderResult().isSuccess()) {
            sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
            return;
        }

        // Allow only GET methods.
        if (req.method() != GET) {
            sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, FORBIDDEN));
            return;
        }

        // Send the demo page and favicon.ico
        if ("/".equals(req.uri())) {
            ByteBuf content = WebSocketServerIndexPage.getContent(getWebSocketLocation(req));
            FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK, content);

            res.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
            HttpHeaderUtil.setContentLength(res, content.readableBytes());

            sendHttpResponse(ctx, req, res);
            return;
        }
        if ("/favicon.ico".equals(req.uri())) {
            FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, NOT_FOUND);
            sendHttpResponse(ctx, req, res);
            return;
        }

        // Handshake
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    public void messageReceived(ChannelHandlerContext ctx, Object msg) {
        if (msg instanceof HttpRequest) {
            HttpRequest req = (HttpRequest) msg;

            if (HttpHeaderUtil.is100ContinueExpected(req)) {
                ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
            }
            boolean keepAlive = HttpHeaderUtil.isKeepAlive(req);

            ByteBuf content = Unpooled.copiedBuffer("Hello World " + new Date(), CharsetUtil.UTF_8);

            FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, content);
            response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
            response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

            if (!keepAlive) {
                ctx.write(response).addListener(ChannelFutureListener.CLOSE);
            } else {
                response.headers().set(CONNECTION, Values.KEEP_ALIVE);
                ctx.write(response);
            }
        }
    }
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* response for any request.
*/
public class OkResponseHandler extends SimpleChannelInboundHandler<Object> {
    @Override
    public void messageReceived(ChannelHandlerContext ctx, Object msg) {
        final FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
        response.headers().set("custom-response-header", "Some value");
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
    }
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