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java.lang.Objectjavax.servlet.ServletResponseWrapper
javax.servlet.http.HttpServletResponseWrapper
com.sun.appserv.web.cache.filter.CachingResponseWrapper
a wrapper to HttpServletResponse to cache the outbound headers and content
and,
HttpServletResponse| Field Summary |
| Constructor Summary | |
CachingResponseWrapper(HttpServletResponse response)
Constructs a response adaptor wrapping the given response. |
|
| Method Summary | |
void |
addCookie(Cookie cookie)
The default behavior of this method is to call addCookie(Cookie cookie) on the wrapped response object. |
void |
addDateHeader(java.lang.String name,
long value)
Add the specified date header to the specified value. |
void |
addHeader(java.lang.String name,
java.lang.String value)
Add the specified header to the specified value. |
void |
addIntHeader(java.lang.String name,
int value)
Add the specified integer header to the specified value. |
HttpCacheEntry |
cacheResponse()
called by doFilter to cache the response that was just sent out |
void |
clear()
clear the contents of this wrapper |
java.lang.Long |
getExpiresDateHeader()
return the Expires: date header value |
ServletOutputStream |
getOutputStream()
Return the servlet output stream associated with this Response. |
java.io.PrintWriter |
getWriter()
Return the writer associated with this Response. |
boolean |
isError()
has the response been set to error |
void |
sendError(int status)
Send an error response with the specified status and a default message. |
void |
sendError(int status,
java.lang.String message)
Send an error response with the specified status and message. |
void |
setContentLength(int len)
Set the content length (in bytes) for this Response. |
void |
setContentType(java.lang.String type)
Set the content type for this Response. |
void |
setDateHeader(java.lang.String name,
long value)
Set the specified date header to the specified value. |
void |
setHeader(java.lang.String name,
java.lang.String value)
Set the specified header to the specified value. |
void |
setIntHeader(java.lang.String name,
int value)
Set the specified integer header to the specified value. |
void |
setLocale(java.util.Locale locale)
Set the Locale that is appropriate for this response, including setting the appropriate character encoding. |
void |
setStatus(int sc)
Set the HTTP status to be returned with this response. |
| Methods inherited from class javax.servlet.http.HttpServletResponseWrapper |
containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL, sendRedirect, setStatus |
| Methods inherited from class javax.servlet.ServletResponseWrapper |
flushBuffer, getBufferSize, getCharacterEncoding, getContentType, getLocale, getResponse, isCommitted, reset, resetBuffer, setBufferSize, setCharacterEncoding, setResponse |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface javax.servlet.ServletResponse |
flushBuffer, getBufferSize, getCharacterEncoding, getContentType, getLocale, isCommitted, reset, resetBuffer, setBufferSize, setCharacterEncoding |
| Constructor Detail |
public CachingResponseWrapper(HttpServletResponse response)
java.lang.IllegalArgumentException - if the response is null| Method Detail |
public ServletOutputStream getOutputStream()
throws java.io.IOException
getOutputStream in interface ServletResponsegetOutputStream in class ServletResponseWrapperjava.lang.IllegalStateException - if getWriter has
already been called for this response
java.io.IOException - if an input/output error occurs
public java.io.PrintWriter getWriter()
throws java.io.IOException
getWriter in interface ServletResponsegetWriter in class ServletResponseWrapperjava.lang.IllegalStateException - if getOutputStream has
already been called for this response
java.io.IOException - if an input/output error occurspublic void setContentLength(int len)
setContentLength in interface ServletResponsesetContentLength in class ServletResponseWrapperpublic void setContentType(java.lang.String type)
setContentType in interface ServletResponsesetContentType in class ServletResponseWrappertype - The new content typepublic void setLocale(java.util.Locale locale)
setLocale in interface ServletResponsesetLocale in class ServletResponseWrapperlocale - The new localepublic void addCookie(Cookie cookie)
addCookie in interface HttpServletResponseaddCookie in class HttpServletResponseWrapper
public void setHeader(java.lang.String name,
java.lang.String value)
setHeader in interface HttpServletResponsesetHeader in class HttpServletResponseWrappername - Name of the header to setvalue - Value to be set
public void setIntHeader(java.lang.String name,
int value)
setIntHeader in interface HttpServletResponsesetIntHeader in class HttpServletResponseWrappername - Name of the header to setvalue - Integer value to be set
public void addHeader(java.lang.String name,
java.lang.String value)
addHeader in interface HttpServletResponseaddHeader in class HttpServletResponseWrappername - Name of the header to setvalue - Value to be set
public void addIntHeader(java.lang.String name,
int value)
addIntHeader in interface HttpServletResponseaddIntHeader in class HttpServletResponseWrappername - Name of the header to setvalue - Integer value to be set
public void setDateHeader(java.lang.String name,
long value)
setDateHeader in interface HttpServletResponsesetDateHeader in class HttpServletResponseWrappername - Name of the header to setvalue - Date value to be set
public void addDateHeader(java.lang.String name,
long value)
addDateHeader in interface HttpServletResponseaddDateHeader in class HttpServletResponseWrappername - Name of the header to setvalue - Date value to be setpublic void setStatus(int sc)
setStatus in interface HttpServletResponsesetStatus in class HttpServletResponseWrapper
public void sendError(int status)
throws java.io.IOException
sendError in interface HttpServletResponsesendError in class HttpServletResponseWrapperstatus - HTTP status code to send
java.lang.IllegalStateException - if this response has
already been committed
java.io.IOException - if an input/output error occurs
public void sendError(int status,
java.lang.String message)
throws java.io.IOException
sendError in interface HttpServletResponsesendError in class HttpServletResponseWrapperstatus - HTTP status code to sendmessage - Corresponding message to send
java.lang.IllegalStateException - if this response has
already been committed
java.io.IOException - if an input/output error occurspublic boolean isError()
public java.lang.Long getExpiresDateHeader()
public HttpCacheEntry cacheResponse()
throws java.io.IOException
java.io.IOExceptionpublic void clear()
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Copyright 2003 Sun Microsystems, Inc. All rights reserved.