@Override
public void redirect(String url, String alt) {
// location
if ("back".equals(url)) {
url = getHeader("Referrer");
if (url == null) {
url = alt;
}
if (url == null) {
url = "/";
}
}
setHeader("Location", url);
// status
if (!REDIRECT_STATUSES.contains(getStatus())) {
setStatus(FOUND);
}
// html
if (ctx.accepts("html") != null) {
url = HTTPEncode.encodeURIComponent(url);
setType("text/html; charset=utf-8");
end("Redirecting to <a href=\"" + url + "\">" + url + "</a>.");
return;
}
// text
setType("text/plain; charset=utf-8");
end("Redirecting to " + url + ".");
}
protected void triggerHeadersHandlers() {
if (!headersHandlerTriggered) {
headersHandlerTriggered = true;
// if there are handlers call them
if (headersHandler != null) {
Handler<Void> handler;
while ((handler = headersHandler.pollFirst()) != null) {
handler.handle();
}
}
// convert the cookies
for (HttpCookie cookie : getCookies()) {
appendHeader(Headers.SET_COOKIE, ServerCookieEncoder.encode(cookie));
}
// // if there is a filter then putAt the right get
// if (filter != null) {
// // verify if the filter can filter this content
// if (filter.canFilter(getResponse.getHeaders().get("content-type"))) {
// getResponse.putHeader("content-encoding", filter.encoding());
// } else {
// // disable the filter
// filter = null;
// }
// }
// if there is no content and method is not HEAD delete content-type, content-encoding
if (!hasBody() && ctx.getRequest().getMethod() != Method.HEAD) {
removeHeader("Content-Encoding");
removeHeader("Content-Type");
}
}
}
@Override
public void render(@NotNull final String template) {
int sep = template.lastIndexOf('.');
if (sep != -1) {
String extension = template.substring(sep);
final Engine renderEngine = ENGINE.get(extension);
if (renderEngine == null) {
ctx.fail("No engine registered for extension: " + extension);
} else {
renderEngine.render(template, ctx);
}
} else {
// when no extension is provided but only 1 engine is available assume that one
if (DEFAULT_ENGINE != null) {
final Engine renderEngine = ENGINE.get(DEFAULT_ENGINE);
renderEngine.render(template, ctx);
} else {
ctx.fail("Cannot determine the extension of the template");
}
}
}
@Override
public void json(Object bean) {
if (bean == null) {
end();
} else {
try {
final String encoded = JSON.encode(bean);
setType("application/json; charset=utf-8");
end(encoded);
} catch (JsonProcessingException | RuntimeException e) {
ctx.fail(INTERNAL_SERVER_ERROR, e);
}
}
}