Examples with HttpUtil.setContentLength io.netty.handler.codec.http.HttpUtil.setContentLength used on opensource projects

Example 1 with HttpUtil.setContentLength

use of io.netty.handler.codec.http.HttpUtil.setContentLength in project component-runtime by Talend.

the class PassthroughHandler method doHttpRequest.

private void doHttpRequest(final FullHttpRequest request, final ChannelHandlerContext ctx) {
    try {
        final Attribute<String> baseAttr = ctx.channel().attr(Handlers.BASE);
        final String requestUri = (baseAttr == null || baseAttr.get() == null ? "" : baseAttr.get()) + request.uri();
        // do the remote request with all the incoming data and save it
        // note: this request must be synchronous for now
        final Response resp;
        try {
            final URL url = new URL(requestUri);
            final HttpURLConnection connection = HttpURLConnection.class.cast(url.openConnection(Proxy.NO_PROXY));
            connection.setConnectTimeout(30000);
            connection.setReadTimeout(20000);
            if (HttpsURLConnection.class.isInstance(connection) && api.getSslContext() != null) {
                final HttpsURLConnection httpsURLConnection = HttpsURLConnection.class.cast(connection);
                httpsURLConnection.setHostnameVerifier((h, s) -> true);
                httpsURLConnection.setSSLSocketFactory(api.getSslContext().getSocketFactory());
            }
            request.headers().forEach(e -> connection.setRequestProperty(e.getKey(), e.getValue()));
            if (request.method() != null) {
                final String requestMethod = request.method().name();
                connection.setRequestMethod(requestMethod);
                if (!"HEAD".equalsIgnoreCase(requestMethod) && request.content().readableBytes() > 0) {
                    connection.setDoOutput(true);
                    request.content().readBytes(connection.getOutputStream(), request.content().readableBytes());
                }
            }
            final int responseCode = connection.getResponseCode();
            final int defaultLength = ofNullable(connection.getHeaderField("content-length")).map(Integer::parseInt).orElse(8192);
            resp = new ResponseImpl(connection.getHeaderFields().entrySet().stream().filter(e -> e.getKey() != null).filter(h -> !api.getHeaderFilter().test(h.getKey())).collect(toMap(Map.Entry::getKey, e -> e.getValue().stream().collect(Collectors.joining(",")))), responseCode, responseCode <= 399 ? slurp(connection.getInputStream(), defaultLength) : slurp(connection.getErrorStream(), defaultLength));
        } catch (final Exception e) {
            log.error(e.getMessage(), e);
            sendError(ctx, HttpResponseStatus.BAD_REQUEST);
            return;
        }
        beforeResponse(requestUri, request, resp);
        final ByteBuf bytes = ofNullable(resp.payload()).map(Unpooled::copiedBuffer).orElse(Unpooled.EMPTY_BUFFER);
        final HttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(resp.status()), bytes);
        HttpUtil.setContentLength(response, bytes.array().length);
        ofNullable(resp.headers()).ifPresent(h -> h.forEach((k, v) -> response.headers().set(k, v)));
        ctx.writeAndFlush(response);
    } finally {
        request.release();
    }
}