javax.servlet.AsyncContext Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.servlet;
/**
* TODO SERVLET3 - Add comments
* @since Servlet 3.0
*/
public interface AsyncContext {
public static final String ASYNC_REQUEST_URI =
"javax.servlet.async.request_uri";
public static final String ASYNC_CONTEXT_PATH =
"javax.servlet.async.context_path";
public static final String ASYNC_MAPPING =
"javax.servlet.async.mapping";
public static final String ASYNC_PATH_INFO =
"javax.servlet.async.path_info";
public static final String ASYNC_SERVLET_PATH =
"javax.servlet.async.servlet_path";
public static final String ASYNC_QUERY_STRING =
"javax.servlet.async.query_string";
ServletRequest getRequest();
ServletResponse getResponse();
boolean hasOriginalRequestAndResponse();
/**
* @throws IllegalStateException if this method is called when the request
* is not in asynchronous mode. The request is in asynchronous mode after
* {@link javax.servlet.http.HttpServletRequest#startAsync()} or
* {@link javax.servlet.http.HttpServletRequest#startAsync(ServletRequest,
* ServletResponse)} has been called and before {@link #complete()} or any
* other dispatch() method has been called.
*/
void dispatch();
/**
* @param path The path to which the request/response should be dispatched
* relative to the {@link ServletContext} from which this async
* request was started.
*
* @throws IllegalStateException if this method is called when the request
* is not in asynchronous mode. The request is in asynchronous mode after
* {@link javax.servlet.http.HttpServletRequest#startAsync()} or
* {@link javax.servlet.http.HttpServletRequest#startAsync(ServletRequest,
* ServletResponse)} has been called and before {@link #complete()} or any
* other dispatch() method has been called.
*/
void dispatch(String path);
/**
* @param path The path to which the request/response should be dispatched
* relative to the specified {@link ServletContext}.
* @param context The {@link ServletContext} to which the request/response
* should be dispatched.
*
* @throws IllegalStateException if this method is called when the request
* is not in asynchronous mode. The request is in asynchronous mode after
* {@link javax.servlet.http.HttpServletRequest#startAsync()} or
* {@link javax.servlet.http.HttpServletRequest#startAsync(ServletRequest,
* ServletResponse)} has been called and before {@link #complete()} or any
* other dispatch() method has been called.
*/
void dispatch(ServletContext context, String path);
void complete();
void start(Runnable run);
void addListener(AsyncListener listener);
void addListener(AsyncListener listener, ServletRequest request,
ServletResponse response);
T createListener(Class clazz)
throws ServletException;
/**
* Set the timeout.
*
* @param timeout The timeout in milliseconds. 0 or less indicates no
* timeout.
*/
void setTimeout(long timeout);
/**
* Get the current.
*
* @return The timeout in milliseconds. 0 or less indicates no timeout.
*/
long getTimeout();
}