org.springframework.web.filter
Class ShallowEtagHeaderFilter.ShallowEtagResponseWrapper

java.lang.Object
  javax.servlet.ServletResponseWrapper
      javax.servlet.http.HttpServletResponseWrapper
          org.springframework.web.filter.ShallowEtagHeaderFilter.ShallowEtagResponseWrapper

All Implemented Interfaces:

javax.servlet.http.HttpServletResponse, javax.servlet.ServletResponse

Enclosing class:

ShallowEtagHeaderFilter

private static class ShallowEtagHeaderFilter.ShallowEtagResponseWrapper
extends javax.servlet.http.HttpServletResponseWrapper

HttpServletRequest wrapper that buffers all content written to the output stream and writer, and allows this content to be retrieved via a byte array.

Nested Class Summary

private class	ShallowEtagHeaderFilter.ShallowEtagResponseWrapper.ResponsePrintWriter
private class	ShallowEtagHeaderFilter.ShallowEtagResponseWrapper.ResponseServletOutputStream

Field Summary

private java.io.ByteArrayOutputStream	content
private javax.servlet.ServletOutputStream	outputStream
private int	statusCode
private java.io.PrintWriter	writer

Fields inherited from interface javax.servlet.http.HttpServletResponse

SC_ACCEPTED, SC_BAD_GATEWAY, SC_BAD_REQUEST, SC_CONFLICT, SC_CONTINUE, SC_CREATED, SC_EXPECTATION_FAILED, SC_FORBIDDEN, SC_FOUND, SC_GATEWAY_TIMEOUT, SC_GONE, SC_HTTP_VERSION_NOT_SUPPORTED, SC_INTERNAL_SERVER_ERROR, SC_LENGTH_REQUIRED, SC_METHOD_NOT_ALLOWED, SC_MOVED_PERMANENTLY, SC_MOVED_TEMPORARILY, SC_MULTIPLE_CHOICES, SC_NO_CONTENT, SC_NON_AUTHORITATIVE_INFORMATION, SC_NOT_ACCEPTABLE, SC_NOT_FOUND, SC_NOT_IMPLEMENTED, SC_NOT_MODIFIED, SC_OK, SC_PARTIAL_CONTENT, SC_PAYMENT_REQUIRED, SC_PRECONDITION_FAILED, SC_PROXY_AUTHENTICATION_REQUIRED, SC_REQUEST_ENTITY_TOO_LARGE, SC_REQUEST_TIMEOUT, SC_REQUEST_URI_TOO_LONG, SC_REQUESTED_RANGE_NOT_SATISFIABLE, SC_RESET_CONTENT, SC_SEE_OTHER, SC_SERVICE_UNAVAILABLE, SC_SWITCHING_PROTOCOLS, SC_TEMPORARY_REDIRECT, SC_UNAUTHORIZED, SC_UNSUPPORTED_MEDIA_TYPE, SC_USE_PROXY

Constructor Summary

private

ShallowEtagHeaderFilter.ShallowEtagResponseWrapper(javax.servlet.http.HttpServletResponse response)

Method Summary

javax.servlet.ServletOutputStream	getOutputStream()
private int	getStatusCode()
java.io.PrintWriter	getWriter()
void	reset()
void	resetBuffer()
void	sendError(int sc)
void	sendError(int sc, java.lang.String msg)
void	setContentLength(int len)
void	setStatus(int sc)
void	setStatus(int sc, java.lang.String sm)
private byte[]	toByteArray()

Methods inherited from class javax.servlet.http.HttpServletResponseWrapper

addCookie, addDateHeader, addHeader, addIntHeader, containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL, sendRedirect, setDateHeader, setHeader, setIntHeader

Methods inherited from class javax.servlet.ServletResponseWrapper

flushBuffer, getBufferSize, getCharacterEncoding, getContentType, getLocale, getResponse, isCommitted, setBufferSize, setCharacterEncoding, setContentType, setLocale, 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, setBufferSize, setCharacterEncoding, setContentType, setLocale

Field Detail

content

private final java.io.ByteArrayOutputStream content

outputStream

private final javax.servlet.ServletOutputStream outputStream

writer

private java.io.PrintWriter writer

statusCode

private int statusCode

Constructor Detail

ShallowEtagHeaderFilter.ShallowEtagResponseWrapper

private ShallowEtagHeaderFilter.ShallowEtagResponseWrapper(javax.servlet.http.HttpServletResponse response)

Method Detail

setStatus

public void setStatus(int sc)

Specified by:

setStatus in interface javax.servlet.http.HttpServletResponse

Overrides:

setStatus in class javax.servlet.http.HttpServletResponseWrapper

setStatus

public void setStatus(int sc,
                      java.lang.String sm)

Specified by:

setStatus in interface javax.servlet.http.HttpServletResponse

Overrides:

setStatus in class javax.servlet.http.HttpServletResponseWrapper

sendError

public void sendError(int sc)
               throws java.io.IOException

Specified by:

sendError in interface javax.servlet.http.HttpServletResponse

Overrides:

sendError in class javax.servlet.http.HttpServletResponseWrapper

Throws:

java.io.IOException

sendError

public void sendError(int sc,
                      java.lang.String msg)
               throws java.io.IOException

Specified by:

sendError in interface javax.servlet.http.HttpServletResponse

Overrides:

sendError in class javax.servlet.http.HttpServletResponseWrapper

Throws:

java.io.IOException

setContentLength

public void setContentLength(int len)

Specified by:

setContentLength in interface javax.servlet.ServletResponse

Overrides:

setContentLength in class javax.servlet.ServletResponseWrapper

getOutputStream

public javax.servlet.ServletOutputStream getOutputStream()

Specified by:

getOutputStream in interface javax.servlet.ServletResponse

Overrides:

getOutputStream in class javax.servlet.ServletResponseWrapper

getWriter

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

Specified by:

getWriter in interface javax.servlet.ServletResponse

Overrides:

getWriter in class javax.servlet.ServletResponseWrapper

Throws:

java.io.IOException

resetBuffer

public void resetBuffer()

Specified by:

resetBuffer in interface javax.servlet.ServletResponse

Overrides:

resetBuffer in class javax.servlet.ServletResponseWrapper

reset

public void reset()

Specified by:

reset in interface javax.servlet.ServletResponse

Overrides:

reset in class javax.servlet.ServletResponseWrapper

getStatusCode

private int getStatusCode()

toByteArray

private byte[] toByteArray()