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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.