io.vertx.ext.web.RoutingContext Maven / Gradle / Ivy
/*
* Copyright 2014 Red Hat, Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.ext.web;
import io.vertx.codegen.annotations.*;
import io.vertx.core.*;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.*;
import io.vertx.core.http.impl.MimeMapping;
import io.vertx.core.impl.ContextInternal;
import io.vertx.core.json.EncodeException;
import io.vertx.core.json.Json;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.JsonObject;
import io.vertx.ext.auth.User;
import io.vertx.ext.web.impl.ParsableMIMEValue;
import io.vertx.ext.web.impl.Utils;
import java.nio.charset.Charset;
import java.time.Instant;
import java.util.List;
import java.util.Map;
import static io.vertx.codegen.annotations.GenIgnore.PERMITTED_TYPE;
/**
* Represents the context for the handling of a request in Vert.x-Web.
*
* A new instance is created for each HTTP request that is received in the
* {@link Router#handle(Object)} of the router.
*
* The same instance is passed to any matching request or failure handlers during the routing of the request or
* failure.
*
* The context provides access to the {@link HttpServerRequest} and {@link HttpServerResponse}
* and allows you to maintain arbitrary data that lives for the lifetime of the context. Contexts are discarded once they
* have been routed to the handler for the request.
*
* The context also provides access to the {@link Session}, cookies and body for the request, given the correct handlers
* in the application.
*
* If you use the internal error handler
*
* @author Tim Fox
*/
@VertxGen
public interface RoutingContext {
/**
* @return the HTTP request object
*/
@CacheReturn
HttpServerRequest request();
/**
* @return the HTTP response object
*/
@CacheReturn
HttpServerResponse response();
/**
* Tell the router to route this context to the next matching route (if any).
* This method, if called, does not need to be called during the execution of the handler, it can be called
* some arbitrary time later, if required.
*
* If next is not called for a handler then the handler should make sure it ends the response or no response
* will be sent.
*/
void next();
/**
* Fail the context with the specified status code.
*
* This will cause the router to route the context to any matching failure handlers for the request. If no failure handlers
* match It will trigger the error handler matching the status code. You can define such error handler with
* {@link Router#errorHandler(int, Handler)}. If no error handler is not defined, It will send a default failure response with provided status code.
*
* @param statusCode the HTTP status code
*/
void fail(int statusCode);
/**
* Fail the context with the specified throwable and 500 status code.
*
* This will cause the router to route the context to any matching failure handlers for the request. If no failure handlers
* match It will trigger the error handler matching the status code. You can define such error handler with
* {@link Router#errorHandler(int, Handler)}. If no error handler is not defined, It will send a default failure response with 500 status code.
*
* @param throwable a throwable representing the failure
*/
void fail(Throwable throwable);
/**
* Fail the context with the specified throwable and the specified the status code.
*
* This will cause the router to route the context to any matching failure handlers for the request. If no failure handlers
* match It will trigger the error handler matching the status code. You can define such error handler with
* {@link Router#errorHandler(int, Handler)}. If no error handler is not defined, It will send a default failure response with provided status code.
*
* @param statusCode the HTTP status code
* @param throwable a throwable representing the failure
*/
void fail(int statusCode, Throwable throwable);
/**
* Put some arbitrary data in the context. This will be available in any handlers that receive the context.
*
* @param key the key for the data
* @param obj the data
* @return a reference to this, so the API can be used fluently
*/
@Fluent
RoutingContext put(String key, Object obj);
/**
* Get some data from the context. The data is available in any handlers that receive the context.
*
* @param key the key for the data
* @param the type of the data
* @return the data
* @throws ClassCastException if the data is not of the expected type
*/
@Nullable T get(String key);
/**
* Get some data from the context. The data is available in any handlers that receive the context.
*
* @param key the key for the data
* @param the type of the data
* @param defaultValue when the underlying data doesn't contain the key this will be the return value.
* @return the data
* @throws ClassCastException if the data is not of the expected type
*/
T get(String key, T defaultValue);
/**
* Remove some data from the context. The data is available in any handlers that receive the context.
*
* @param key the key for the data
* @param the type of the data
* @return the previous data associated with the key
* @throws ClassCastException if the data is not of the expected type
*/
@Nullable T remove(String key);
/**
* @return all the context data as a map
*/
@GenIgnore(PERMITTED_TYPE)
Map data();
/**
* @return the Vert.x instance associated to the initiating {@link Router} for this context
*/
@CacheReturn
Vertx vertx();
/**
* @return the mount point for this router. It will be null for a top level router. For a sub-router it will be the path
* at which the subrouter was mounted.
*/
@Nullable String mountPoint();
/**
* @return the current route this context is being routed through.
*/
@Nullable Route currentRoute();
/**
* Use {@link #normalizedPath} instead
*/
@Deprecated()
default String normalisedPath() {
return this.normalizedPath();
}
/**
* Return the normalized path for the request.
*
* The normalized path is where the URI path has been decoded, i.e. any unicode or other illegal URL characters that
* were encoded in the original URL with `%` will be returned to their original form. E.g. `%20` will revert to a space.
* Also `+` reverts to a space in a query.
*
* The normalized path will also not contain any `..` character sequences to prevent resources being accessed outside
* of the permitted area.
*
* It's recommended to always use the normalized path as opposed to {@link HttpServerRequest#path()}
* if accessing server resources requested by a client.
*
* @return the normalized path
*/
String normalizedPath();
/**
* @deprecated Use {@link HttpServerRequest#getCookie(String)}
* Get the cookie with the specified name.
*
* @param name the cookie name
* @return the cookie
*/
@Deprecated
@Nullable Cookie getCookie(String name);
/**
* @deprecated Use {@link HttpServerResponse#addCookie(Cookie)}
* Add a cookie. This will be sent back to the client in the response.
*
* @param cookie the cookie
* @return a reference to this, so the API can be used fluently
*/
@Deprecated
@Fluent
RoutingContext addCookie(io.vertx.core.http.Cookie cookie);
/**
* @deprecated Use {@link HttpServerResponse#removeCookie(String)}
* Expire a cookie, notifying a User Agent to remove it from its cookie jar.
*
* @param name the name of the cookie
* @return the cookie, if it existed, or null
*/
@Deprecated
default @Nullable Cookie removeCookie(String name) {
return removeCookie(name, true);
}
/**
* @deprecated Use {@link HttpServerResponse#removeCookie(String, boolean)}
* Remove a cookie from the cookie set. If invalidate is true then it will expire a cookie, notifying a User Agent to
* remove it from its cookie jar.
*
* @param name the name of the cookie
* @return the cookie, if it existed, or null
*/
@Deprecated
@Nullable Cookie removeCookie(String name, boolean invalidate);
/**
* @deprecated Use {@link HttpServerRequest#cookieCount()}
* @return the number of cookies.
*/
@Deprecated
int cookieCount();
/**
* @deprecated Use {@link HttpServerRequest#cookieMap()}
* @return a map of all the cookies.
*/
@Deprecated
Map cookieMap();
/**
* @deprecated Use {@link #body()} instead.
*
* @return the entire HTTP request body as a string, assuming UTF-8 encoding if the request does not provide the
* content type charset attribute. If a charset is provided in the request that it shall be respected. The context
* must have first been routed to a {@link io.vertx.ext.web.handler.BodyHandler} for this to be populated.
*/
@Deprecated
default @Nullable String getBodyAsString() {
return body().asString();
}
/**
* @deprecated Use {@link #body()} instead.
*
* Get the entire HTTP request body as a string, assuming the specified encoding. The context must have first been routed to a
* {@link io.vertx.ext.web.handler.BodyHandler} for this to be populated.
*
* @param encoding the encoding, e.g. "UTF-16"
* @return the body
*/
@Deprecated
default @Nullable String getBodyAsString(String encoding) {
return body().asString(encoding);
}
/**
* @deprecated Use {@link #body()} instead.
*
* Gets the current body buffer as a {@link JsonObject}. If a positive limit is provided the parsing will only happen
* if the buffer length is smaller or equal to the limit. Otherwise an {@link IllegalStateException} is thrown.
*
* When the application is only handling uploads in JSON format, it is recommended to set a limit on
* {@link io.vertx.ext.web.handler.BodyHandler#setBodyLimit(long)} as this will avoid the upload to be parsed and
* loaded into the application memory.
*
* @param maxAllowedLength if the current buffer length is greater than the limit an {@link IllegalStateException} is
* thrown. This can be used to avoid DDoS attacks on very long JSON payloads that could take
* over the CPU while attempting to parse the data.
*
* @return Get the entire HTTP request body as a {@link JsonObject}. The context must have first been routed to a
* {@link io.vertx.ext.web.handler.BodyHandler} for this to be populated.
*
* When the body is {@code null} or the {@code "null"} JSON literal then {@code null} is returned.
*/
@Deprecated
default @Nullable JsonObject getBodyAsJson(int maxAllowedLength) {
return body().asJsonObject(maxAllowedLength);
}
/**
* @deprecated Use {@link #body()} instead.
*
* Gets the current body buffer as a {@link JsonArray}. If a positive limit is provided the parsing will only happen
* if the buffer length is smaller or equal to the limit. Otherwise an {@link IllegalStateException} is thrown.
*
* When the application is only handling uploads in JSON format, it is recommended to set a limit on
* {@link io.vertx.ext.web.handler.BodyHandler#setBodyLimit(long)} as this will avoid the upload to be parsed and
* loaded into the application memory.
*
* @param maxAllowedLength if the current buffer length is greater than the limit an {@link IllegalStateException} is
* thrown. This can be used to avoid DDoS attacks on very long JSON payloads that could take
* over the CPU while attempting to parse the data.
*
* @return Get the entire HTTP request body as a {@link JsonArray}. The context must have first been routed to a
* {@link io.vertx.ext.web.handler.BodyHandler} for this to be populated.
*
* When the body is {@code null} or the {@code "null"} JSON literal then {@code null} is returned.
*/
@Deprecated
default @Nullable JsonArray getBodyAsJsonArray(int maxAllowedLength) {
return body().asJsonArray(maxAllowedLength);
}
/**
* @deprecated Use {@link #body()} instead.
*
* @return Get the entire HTTP request body as a {@link JsonObject}. The context must have first been routed to a
* {@link io.vertx.ext.web.handler.BodyHandler} for this to be populated.
*
* When the body is {@code null} or the {@code "null"} JSON literal then {@code null} is returned.
*/
@Deprecated
default @Nullable JsonObject getBodyAsJson() {
return body().asJsonObject();
}
/**
* @deprecated Use {@link #body()} instead.
*
* @return Get the entire HTTP request body as a {@link JsonArray}. The context must have first been routed to a
* {@link io.vertx.ext.web.handler.BodyHandler} for this to be populated.
*
* When the body is {@code null} or the {@code "null"} JSON literal then {@code null} is returned.
*/
@Deprecated
default @Nullable JsonArray getBodyAsJsonArray() {
return body().asJsonArray();
}
/**
* @deprecated Use {@link #body()} instead.
*
* @return Get the entire HTTP request body as a {@link Buffer}. The context must have first been routed to a
* {@link io.vertx.ext.web.handler.BodyHandler} for this to be populated.
*/
@Deprecated
default @Nullable Buffer getBody() {
return body().buffer();
}
RequestBody body();
/**
* @return a list of {@link FileUpload} (if any) for the request. The context must have first been routed to a
* {@link io.vertx.ext.web.handler.BodyHandler} for this to work.
*/
List fileUploads();
/**
* Cancel all unfinished file upload in progress and delete all uploaded files.
*/
void cancelAndCleanupFileUploads();
/**
* Get the session. The context must have first been routed to a {@link io.vertx.ext.web.handler.SessionHandler}
* for this to be populated.
* Sessions live for a browser session, and are maintained by session cookies.
* @return the session.
*/
@Nullable Session session();
/**
* Whether the {@link RoutingContext#session()} has been already called or not. This is usually used by the
* {@link io.vertx.ext.web.handler.SessionHandler}.
*
* @return true if the session has been accessed.
*/
boolean isSessionAccessed();
/**
* Get the authenticated user (if any). This will usually be injected by an auth handler if authentication if successful.
* @return the user, or null if the current user is not authenticated.
*/
@Nullable User user();
/**
* If the context is being routed to failure handlers after a failure has been triggered by calling
* {@link #fail(Throwable)} then this will return that throwable. It can be used by failure handlers to render a response,
* e.g. create a failure response page.
*
* @return the throwable used when signalling failure
*/
@CacheReturn
@Nullable
Throwable failure();
/**
* If the context is being routed to failure handlers after a failure has been triggered by calling
* {@link #fail(int)} then this will return that status code. It can be used by failure handlers to render a response,
* e.g. create a failure response page.
*
* When the status code has not been set yet (it is undefined) its value will be -1.
*
* @return the status code used when signalling failure
*/
@CacheReturn
int statusCode();
/**
* If the route specifies produces matches, e.g. produces `text/html` and `text/plain`, and the `accept` header
* matches one or more of these then this returns the most acceptable match.
*
* @return the most acceptable content type.
*/
@Nullable String getAcceptableContentType();
/**
* The headers:
*
* - Accept
* - Accept-Charset
* - Accept-Encoding
* - Accept-Language
* - Content-Type
*
* Parsed into {@link ParsedHeaderValue}
* @return A container with the parsed headers.
*/
@CacheReturn
ParsedHeaderValues parsedHeaders();
/**
* Add a handler that will be called just before headers are written to the response. This gives you a hook where
* you can write any extra headers before the response has been written when it will be too late.
*
* @param handler the handler
* @return the id of the handler. This can be used if you later want to remove the handler.
*/
int addHeadersEndHandler(Handler handler);
/**
* Remove a headers end handler
*
* @param handlerID the id as returned from {@link io.vertx.ext.web.RoutingContext#addHeadersEndHandler(Handler)}.
* @return true if the handler existed and was removed, false otherwise
*/
boolean removeHeadersEndHandler(int handlerID);
/**
* Provides a handler that will be called after the last part of the body is written to the wire.
* The handler is called asynchronously of when the response has been received by the client.
* This provides a hook allowing you to do more operations once the request has been sent over the wire.
* Do not use this for resource cleanup as this handler might never get called (e.g. if the connection is reset).
*
* @param handler the handler
* @return the id of the handler. This can be used if you later want to remove the handler.
*/
int addBodyEndHandler(Handler handler);
/**
* Remove a body end handler
*
* @param handlerID the id as returned from {@link io.vertx.ext.web.RoutingContext#addBodyEndHandler(Handler)}.
* @return true if the handler existed and was removed, false otherwise
*/
boolean removeBodyEndHandler(int handlerID);
/**
* Add an end handler for the request/response context. This will be called when the response is disposed or an
* exception has been encountered to allow consistent cleanup. The handler is called asynchronously of when the
* response has been received by the client.
*
* @param handler the handler that will be called with either a success or failure result.
* @return the id of the handler. This can be used if you later want to remove the handler.
*/
int addEndHandler(Handler> handler);
/**
* Add an end handler for the request/response context. This will be called when the response is disposed or an
* exception has been encountered to allow consistent cleanup. The handler is called asynchronously of when the
* response has been received by the client.
*
* @see #addEndHandler(Handler)
*
* @return future that will be called with either a success or failure result.
*/
default Future addEndHandler() {
Promise promise = Promise.promise();
addEndHandler(promise);
return promise.future();
}
/**
* Remove an end handler
*
* @param handlerID the id as returned from {@link io.vertx.ext.web.RoutingContext#addEndHandler(Handler)}.
* @return true if the handler existed and was removed, false otherwise
*/
boolean removeEndHandler(int handlerID);
/**
* @return true if the context is being routed to failure handlers.
*/
boolean failed();
/**
* @deprecated This method is internal. Users that really need to use it should refer to {@link io.vertx.ext.web.impl.RoutingContextInternal#setBody(Buffer)}
* Set the body. Used by the {@link io.vertx.ext.web.handler.BodyHandler}. You will not normally call this method.
*
* @param body the body
*/
@Deprecated
void setBody(Buffer body);
/**
* @deprecated This method is internal. Users that really need to use it should refer to {@link io.vertx.ext.web.impl.RoutingContextInternal#setSession(Session)}
* Set the session. Used by the {@link io.vertx.ext.web.handler.SessionHandler}. You will not normally call this method.
*
* @param session the session
*/
@Deprecated
void setSession(Session session);
/**
* Set the user. Usually used by auth handlers to inject a User. You will not normally call this method.
*
* @param user the user
*/
void setUser(User user);
/**
* Clear the current user object in the context. This usually is used for implementing a log out feature, since the
* current user is unbounded from the routing context.
*/
void clearUser();
/**
* Set the acceptable content type. Used by
* @param contentType the content type
*/
void setAcceptableContentType(@Nullable String contentType);
/**
* Restarts the current router with a new path and reusing the original method. All path parameters are then parsed
* and available on the params list. Query params will also be allowed and available.
*
* @param path the new http path.
*/
default void reroute(String path) {
reroute(request().method(), path);
}
/**
* Restarts the current router with a new method and path. All path parameters are then parsed and available on the
* params list. Query params will also be allowed and available.
*
* @param method the new http request
* @param path the new http path.
*/
void reroute(HttpMethod method, String path);
/**
* Returns the languages for the current request. The languages are determined from the Accept-Language
* header and sorted on quality.
*
* When 2 or more entries have the same quality then the order used to return the best match is based on the lowest
* index on the original list. For example if a user has en-US and en-GB with same quality and this order the best
* match will be en-US because it was declared as first entry by the client.
*
* @return The best matched language for the request
*/
@CacheReturn
default List acceptableLanguages(){
return parsedHeaders().acceptLanguage();
}
/**
* Helper to return the user preferred language.
* It is the same action as returning the first element of the acceptable languages.
*
* @return the users preferred locale.
*/
@CacheReturn
default LanguageHeader preferredLanguage() {
List acceptableLanguages = acceptableLanguages();
return acceptableLanguages.size() > 0 ? acceptableLanguages.get(0) : null;
}
/**
* Returns a map of named parameters as defined in path declaration with their actual values
*
* @return the map of named parameters
*/
Map pathParams();
/**
* Gets the value of a single path parameter
*
* @param name the name of parameter as defined in path declaration
* @return the actual value of the parameter or null if it doesn't exist
*/
@Nullable
String pathParam(String name);
/**
* Returns a map of all query parameters inside the query string
* The query parameters are lazily decoded: the decoding happens on the first time this method is called. If the query string is invalid
* it fails the context
*
* @return the multimap of query parameters
*/
MultiMap queryParams();
/**
* Always decode the current query string with the given {@code encoding}. The decode result is never cached. Callers
* to this method are expected to cache the result if needed. Usually users should use {@link #queryParams()}.
*
* This method is only useful when the requests without content type ({@code GET} requests as an example) expect that
* query params are in the ASCII format {@code ISO-5559-1}.
*
* @param encoding a non null character set.
* @return the multimap of query parameters
*/
@GenIgnore(PERMITTED_TYPE)
MultiMap queryParams(Charset encoding);
/**
* Gets the value of a single query parameter. For more info {@link RoutingContext#queryParams()}
*
* @param name The name of query parameter
* @return The list of all parameters matching the parameter name. It returns an empty list if no query parameter with {@code name} was found
*/
List queryParam(String name);
/**
* Set Content-Disposition get to "attachment" with optional {@code filename} mime type.
*
* @param filename the filename for the attachment
*/
@Fluent
default RoutingContext attachment(String filename) {
if (filename != null) {
String contentType = MimeMapping.getMimeTypeForFilename(filename);
if (contentType != null) {
response()
.putHeader(HttpHeaders.CONTENT_TYPE, contentType);
}
}
response()
.putHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=" + filename);
return this;
}
/**
* Perform a 302 redirect to {@code url}. If a custom 3xx code is already defined, then that
* one will be preferred.
*
* The string "back" is special-cased
* to provide Referrer support, when Referrer
* is not present "/" is used.
*
* Examples:
*
* redirect('back');
* redirect('/login');
* redirect('http://google.com');
*
* @param url the target url
*/
default Future redirect(String url) {
// location
if ("back".equals(url)) {
url = request().getHeader(HttpHeaders.REFERER);
if (url == null) {
url = "/";
}
}
response()
.putHeader(HttpHeaders.LOCATION, url);
// status
int status = response().getStatusCode();
if (status < 300 || status >= 400) {
// if a custom code is in use that will be
// respected
response().setStatusCode(302);
}
return response()
.putHeader(HttpHeaders.CONTENT_TYPE, "text/plain; charset=utf-8")
.end("Redirecting to " + url + ".");
}
/**
* See {@link #redirect(String)}.
*/
@Fluent
default RoutingContext redirect(String url, Handler> handler) {
redirect(url).onComplete(handler);
return this;
}
/**
* Encode an Object to JSON and end the request.
* When {@code Content-Type} is not set then correct {@code Content-Type} will be applied to the response
* @param json the json
* @return a future to handle the end of the request
*/
default Future json(Object json) {
final HttpServerResponse res = response();
final boolean hasContentType = res.headers().contains(HttpHeaders.CONTENT_TYPE);
if (json == null) {
// http://www.iana.org/assignments/media-types/application/json
// No "charset" parameter is defined for this registration.
// Adding one really has no effect on compliant recipients.
// apply the content type header only if content type header is not set
if(!hasContentType) {
res.putHeader(HttpHeaders.CONTENT_TYPE, "application/json");
}
return res.end("null");
} else {
try {
Buffer buffer = Json.encodeToBuffer(json);
// http://www.iana.org/assignments/media-types/application/json
// No "charset" parameter is defined for this registration.
// Adding one really has no effect on compliant recipients.
// apply the content type header only if the encoding succeeds and content type header is not set
if(!hasContentType) {
res.putHeader(HttpHeaders.CONTENT_TYPE, "application/json");
}
return res.end(buffer);
} catch (EncodeException | UnsupportedOperationException e) {
// handle the failure
fail(e);
// as the operation failed return a failed future
// this is purely a notification
return ((ContextInternal) vertx().getOrCreateContext()).failedFuture(e);
}
}
}
/**
* See {@link #json(Object)}.
*/
@Fluent
default RoutingContext json(Object json, Handler> handler) {
json(json).onComplete(handler);
return this;
}
/**
* Check if the incoming request contains the "Content-Type"
* get field, and it contains the give mime `type`.
* If there is no request body, `false` is returned.
* If there is no content type, `false` is returned.
* Otherwise, it returns true if the `type` that matches.
*
* Examples:
*
* // With Content-Type: text/html; charset=utf-8
* is("html"); // => true
* is("text/html"); // => true
*
* // When Content-Type is application/json
* is("application/json"); // => true
* is("html"); // => false
*
* @param type content type
* @return The most close value
*/
@CacheReturn
default boolean is(String type) {
MIMEHeader contentType = parsedHeaders().contentType();
if (contentType == null) {
return false;
}
ParsedHeaderValue value;
// if we received an incomplete CT
if (type.indexOf('/') == -1) {
// when the content is incomplete we assume */type, e.g.:
// json -> */json
value = new ParsableMIMEValue("*/" + type).forceParse();
} else {
value = new ParsableMIMEValue(type).forceParse();
}
return contentType.isMatchedBy(value);
}
/**
* Check if the request is fresh, aka
* Last-Modified and/or the ETag
* still match.
*
* @return true if content is fresh according to the cache.
*/
default boolean isFresh() {
final HttpMethod method = request().method();
// GET or HEAD for weak freshness validation only
if (method != HttpMethod.GET && method != HttpMethod.HEAD) {
return false;
}
final int s = response().getStatusCode();
// 2xx or 304 as per rfc2616 14.26
if ((s >= 200 && s < 300) || 304 == s) {
return Utils.fresh(this);
}
return false;
}
/**
* Set the ETag of a response.
* This will normalize the quotes if necessary.
*
* etag('md5hashsum');
* etag('"md5hashsum"');
* ('W/"123456789"');
*
* @param etag the etag value
*/
@Fluent
default RoutingContext etag(String etag) {
boolean quoted =
// at least 2 characters
etag.length() > 2 &&
// either starts with " or W/"
(etag.charAt(0) == '\"' || etag.startsWith("W/\"")) &&
// ends with "
etag.charAt(etag.length() -1) == '\"';
if (!quoted) {
response().putHeader(HttpHeaders.ETAG, "\"" + etag + "\"");
} else {
response().putHeader(HttpHeaders.ETAG, etag);
}
return this;
}
/**
* Set the Last-Modified date using a Instant.
*
* @param instant the last modified instant
*/
@Fluent
@GenIgnore(PERMITTED_TYPE)
default RoutingContext lastModified(Instant instant) {
response().putHeader(HttpHeaders.LAST_MODIFIED, Utils.formatRFC1123DateTime(instant.toEpochMilli()));
return this;
}
/**
* Set the Last-Modified date using a String.
*
* @param instant the last modified instant
*/
@Fluent
default RoutingContext lastModified(String instant) {
response().putHeader(HttpHeaders.LAST_MODIFIED, instant);
return this;
}
/**
* Shortcut to the response end.
* @param chunk a chunk
* @return future
*/
default Future end(String chunk) {
return response().end(chunk);
}
/**
* See {@link #end(String)}
*/
@Fluent
default RoutingContext end(String chunk, Handler> handler) {
end(chunk).onComplete(handler);
return this;
}
/**
* Shortcut to the response end.
* @param buffer a chunk
* @return future
*/
default Future end(Buffer buffer) {
return response().end(buffer);
}
/**
* See {@link #end(Buffer)}
*/
@Fluent
default RoutingContext end(Buffer buffer, Handler> handler) {
end(buffer).onComplete(handler);
return this;
}
/**
* Shortcut to the response end.
* @return future
*/
default Future end() {
return response().end();
}
/**
* See {@link #end()}
*/
@Fluent
default RoutingContext end(Handler> handler) {
end().onComplete(handler);
return this;
}
}