org.apache.catalina.filters

Class ExpiresFilter.XHttpServletResponse

java.lang.Object

HttpServletResponseWrapper

org.apache.catalina.filters.ExpiresFilter.XHttpServletResponse

Enclosing class:

ExpiresFilter

public class ExpiresFilter.XHttpServletResponse
extends HttpServletResponseWrapper

Wrapping extension of the HttpServletResponse to yrap the "Start Write Response Body" event.

For performance optimization : this extended response holds the lastModifiedHeader and cacheControlHeader values access to the slow #getHeader(String) and to spare the string to date to long conversion.

Constructor Summary

Constructors

Constructor and Description
ExpiresFilter.XHttpServletResponse(HttpServletRequest request, HttpServletResponse response)

Method Summary

Methods

Modifier and Type	Method and Description
void	addDateHeader(java.lang.String name, long date)
void	addHeader(java.lang.String name, java.lang.String value)
java.lang.String	getCacheControlHeader()
long	getLastModifiedHeader()
ServletOutputStream	getOutputStream()
java.io.PrintWriter	getWriter()
boolean	isLastModifiedHeaderSet()
boolean	isWriteResponseBodyStarted()
void	reset()
void	setDateHeader(java.lang.String name, long date)
void	setHeader(java.lang.String name, java.lang.String value)
void	setWriteResponseBodyStarted(boolean writeResponseBodyStarted)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpiresFilter.XHttpServletResponse

public ExpiresFilter.XHttpServletResponse(HttpServletRequest request,
                                  HttpServletResponse response)

Method Detail

addDateHeader

public void addDateHeader(java.lang.String name,
                 long date)

addHeader

public void addHeader(java.lang.String name,
             java.lang.String value)

getCacheControlHeader

public java.lang.String getCacheControlHeader()

getLastModifiedHeader

public long getLastModifiedHeader()

getOutputStream

public ServletOutputStream getOutputStream()
                                    throws java.io.IOException

Throws:

java.io.IOException

getWriter

public java.io.PrintWriter getWriter()
                              throws java.io.IOException

Throws:

java.io.IOException

isLastModifiedHeaderSet

public boolean isLastModifiedHeaderSet()

isWriteResponseBodyStarted

public boolean isWriteResponseBodyStarted()

reset

public void reset()

setDateHeader

public void setDateHeader(java.lang.String name,
                 long date)

setHeader

public void setHeader(java.lang.String name,
             java.lang.String value)

setWriteResponseBodyStarted

public void setWriteResponseBodyStarted(boolean writeResponseBodyStarted)