private static void sendStatus(
HttpResponse response,
@Nullable HttpRequest request,
Channel channel,
@Nullable String description) {
response.setHeader(CONTENT_TYPE, "text/html");
if (request == null || request.getMethod() != HttpMethod.HEAD) {
String message = response.getStatus().toString();
StringBuilder builder = new StringBuilder();
builder
.append("<!doctype html><title>")
.append(message)
.append("</title>")
.append("<h1 style=\"text-align: center\">")
.append(message)
.append("</h1>");
if (description != null) {
builder.append("<p>").append(description).append("</p>");
}
builder
.append("<hr/><p style=\"text-align: center\">")
.append(StringUtil.notNullize(getServerHeaderValue(), ""))
.append("</p>");
response.setContent(ChannelBuffers.copiedBuffer(builder, CharsetUtil.UTF_8));
}
send(response, channel, request);
}
void saveExceededSizeError(HttpRequest nettyRequest, Request request, Response response) {
String warning = nettyRequest.getHeader(HttpHeaders.Names.WARNING);
String length = nettyRequest.getHeader(HttpHeaders.Names.CONTENT_LENGTH);
if (warning != null) {
Logger.trace("saveExceededSizeError: begin");
try {
StringBuilder error = new StringBuilder();
error.append("\u0000");
// Cannot put warning which is play.netty.content.length.exceeded
// as Key as it will result error when printing error
error.append("play.netty.maxContentLength");
error.append(":");
String size = null;
try {
size = JavaExtensions.formatSize(Long.parseLong(length));
} catch (Exception e) {
size = length + " bytes";
}
error.append(Messages.get(warning, size));
error.append("\u0001");
error.append(size);
error.append("\u0000");
if (request.cookies.get(Scope.COOKIE_PREFIX + "_ERRORS") != null
&& request.cookies.get(Scope.COOKIE_PREFIX + "_ERRORS").value != null) {
error.append(request.cookies.get(Scope.COOKIE_PREFIX + "_ERRORS").value);
}
String errorData = URLEncoder.encode(error.toString(), "utf-8");
Http.Cookie c = new Http.Cookie();
c.value = errorData;
c.name = Scope.COOKIE_PREFIX + "_ERRORS";
request.cookies.put(Scope.COOKIE_PREFIX + "_ERRORS", c);
Logger.trace("saveExceededSizeError: end");
} catch (Exception e) {
throw new UnexpectedException("Error serialization problem", e);
}
}
}
public void handleJsRequest(String path, HttpRequest req, HttpResponse resp) {
if (req.containsHeader(IF_NONE_MATCH) || req.containsHeader(IF_MODIFIED_SINCE)) {
resp.setStatus(HttpResponseStatus.NOT_MODIFIED);
return;
}
String jsName = path.substring(1);
ChannelBuffer buf = jsBufferMap.get(jsName);
if (buf == null) {
tryReloadJs();
if (jsName == null) {
log.error("需要访问的JS名称为空。[req: " + req.getUri() + "]");
}
buf = jsBufferMap.get(jsName);
}
if (buf != null) {
resp.setContent(buf);
resp.setHeader(CONTENT_LENGTH, buf.capacity());
resp.setHeader(CONTENT_TYPE, "text/javascript; charset=UTF-8");
resp.setHeader(CONTENT_ENCODING, "gzip");
// resp.setHeader(EXPIRES, System.currentTimeMillis() + expired);
StringBuilder etagBuilder =
new StringBuilder("W/\"")
.append(buf.capacity())
.append("-")
.append(System.currentTimeMillis())
.append("\"");
resp.setHeader(ETAG, etagBuilder.toString());
LogRequestParser lrp = logRequestParserThreadLocal.get();
if (lrp == null) {
lrp = new LogRequestParser();
}
lrp.cdate.setTime(System.currentTimeMillis() + expired);
resp.setHeader(EXPIRES, lrp.sdf.format(lrp.cdate));
} else {
resp.setStatus(HttpResponseStatus.NOT_FOUND);
}
}
