JavaServlet4.0API

javax.servlet

Interface AsyncContext

public interface AsyncContext

• TODO SERVLET3 - Add comments

• Since:
• Servlet 3.0

Field Summary

• Fields 

• Modifier and Type
• Field and Description

• static java.lang.String
• ASYNC_CONTEXT_PATH 
• 
  
• static java.lang.String
• ASYNC_MAPPING 
• 
  
• static java.lang.String
• ASYNC_PATH_INFO 
• 
  
• static java.lang.String
• ASYNC_QUERY_STRING 
• 
  
• static java.lang.String
• ASYNC_REQUEST_URI 
• 
  
• static java.lang.String
• ASYNC_SERVLET_PATH 

Method Summary

• All Methods Instance Methods Abstract Methods 

• Modifier and Type
• Method and Description

• void
• addListener(AsyncListener listener) 

• void
• addListener(AsyncListener listener, ServletRequest request, ServletResponse response) 

• void
• complete() 

• <T extends AsyncListener>
• T
• createListener(java.lang.Class<T> clazz) 

• void
• dispatch() 

• void
• dispatch(ServletContext context,
• java.lang.String path) 

• void
• dispatch(java.lang.String path) 

• ServletRequest
• getRequest() 

• ServletResponse
• getResponse() 
• 
  
• long
• getTimeout()

• Get the current.

• boolean
• hasOriginalRequestAndResponse() 

• void
• setTimeout(long timeout)

• Set the timeout.

• void
• start(java.lang.Runnable run) 

Field Detail

ASYNC_REQUEST_URI

static final java.lang.String ASYNC_REQUEST_URI

• See Also:
• Constant
• Field Values

ASYNC_CONTEXT_PATH

static final java.lang.String ASYNC_CONTEXT_PATH

• See Also:
• Constant
• Field Values

ASYNC_MAPPING

static final java.lang.String ASYNC_MAPPING

• See Also:
• Constant
• Field Values

ASYNC_PATH_INFO

static final java.lang.String ASYNC_PATH_INFO

• See Also:
• Constant
• Field Values

ASYNC_SERVLET_PATH

static final java.lang.String ASYNC_SERVLET_PATH

• See Also:
• Constant
• Field Values

ASYNC_QUERY_STRING

static final java.lang.String ASYNC_QUERY_STRING

• See Also:
• Constant
• Field Values

Method Detail

getRequest

ServletRequest getRequest()

getResponse

ServletResponse getResponse()

hasOriginalRequestAndResponse

boolean hasOriginalRequestAndResponse()

dispatch

void dispatch()

• Throws:
• java.lang.IllegalStateException - if this method is called when
• the request is not in asynchronous mode. The request is in asynchronous mode
• after ServletRequest.startAsync()
• or ServletRequest.startAsync(ServletRequest,
• ServletResponse) has been called and before complete()
• or any other dispatch() method has been called.

dispatch

void dispatch(java.lang.String path)

• Parameters:
• path - The path to which the request/response should be
• dispatched relative to the ServletContext
• from which this async request was started.
• Throws:
• java.lang.IllegalStateException - if this method is called when
• the request is not in asynchronous mode. The request is in asynchronous mode
• after ServletRequest.startAsync()
• or ServletRequest.startAsync(ServletRequest,
• ServletResponse) has been called and before complete()
• or any other dispatch() method has been called.

dispatch

void dispatch(ServletContext context,
              java.lang.String path)

• Parameters:
• path - The path to which the request/response should be
• dispatched relative to the specified ServletContext.
• context - The ServletContext
• to which the request/response should be dispatched.
• Throws:
• java.lang.IllegalStateException - if this method is called when
• the request is not in asynchronous mode. The request is in asynchronous mode
• after ServletRequest.startAsync()
• or ServletRequest.startAsync(ServletRequest,
• ServletResponse) has been called and before complete()
• or any other dispatch() method has been called.

complete

void complete()

start

void start(java.lang.Runnable run)

addListener

void addListener(AsyncListener listener)

addListener

void addListener(AsyncListener listener,
                 ServletRequest request,
                 ServletResponse response)

createListener

<T extends AsyncListener> T createListener(java.lang.Class<T> clazz)
                                    throws ServletException

• Throws:
• ServletException

setTimeout

void setTimeout(long timeout)

• Set the timeout.

• Parameters:
• timeout - The timeout in milliseconds. 0 or less indicates no
• timeout.

getTimeout

long getTimeout()

• Get the current.

• Returns:
• The timeout in milliseconds. 0 or less indicates no timeout.

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