com.opensymphony.module.sitemesh.filter
Class PageResponseWrapper

java.lang.Object
  javax.servlet.ServletResponseWrapper
      javax.servlet.http.HttpServletResponseWrapper
          com.opensymphony.module.sitemesh.filter.PageResponseWrapper

All Implemented Interfaces:

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

public final class PageResponseWrapper
extends javax.servlet.http.HttpServletResponseWrapper

Implementation of HttpServletResponseWrapper that captures page data instead of sending to the writer.

Should be used in filter-chains or when forwarding/including pages using a RequestDispatcher.

Version:

$Revision: 17 $

Author:

Joe Walnes, Scott Farquhar

Field Summary

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_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

PageResponseWrapper(javax.servlet.http.HttpServletResponse response, com.opensymphony.module.sitemesh.Factory factory)

Method Summary

void	addHeader(java.lang.String name, java.lang.String value) Prevent content-length being set if page is parseable.
javax.servlet.ServletOutputStream	getOutputStream()
com.opensymphony.module.sitemesh.Page	getPage()
java.io.PrintWriter	getWriter()
boolean	isUsingStream()
void	sendError(int sc)
void	sendError(int sc, java.lang.String msg)
void	sendRedirect(java.lang.String location)
void	setContentLength(int contentLength) Prevent content-length being set if page is parseable.
void	setContentType(java.lang.String type) Set the content-type of the request and store it so it can be passed to the PageParser.
void	setHeader(java.lang.String name, java.lang.String value) Prevent content-length being set if page is parseable.
void	setStatus(int sc) Prevent 'not modified' (304) HTTP status from being sent if page is parseable (so web-server/browser doesn't cache contents).

Methods inherited from class javax.servlet.http.HttpServletResponseWrapper

addCookie, addDateHeader, addIntHeader, containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL, setDateHeader, setIntHeader, setStatus

Methods inherited from class javax.servlet.ServletResponseWrapper

flushBuffer, getBufferSize, getCharacterEncoding, getLocale, getResponse, isCommitted, reset, resetBuffer, setBufferSize, 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, getLocale, isCommitted, reset, resetBuffer, setBufferSize, setLocale

Constructor Detail

PageResponseWrapper

public PageResponseWrapper(javax.servlet.http.HttpServletResponse response,
                           com.opensymphony.module.sitemesh.Factory factory)

Method Detail

setContentType

public void setContentType(java.lang.String type)

Set the content-type of the request and store it so it can be passed to the PageParser.

Specified by:

setContentType in interface javax.servlet.ServletResponse

Overrides:

setContentType in class javax.servlet.ServletResponseWrapper

setContentLength

public void setContentLength(int contentLength)

Prevent content-length being set if page is parseable.

Specified by:

setContentLength in interface javax.servlet.ServletResponse

Overrides:

setContentLength in class javax.servlet.ServletResponseWrapper

setHeader

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

Prevent content-length being set if page is parseable.

Specified by:

setHeader in interface javax.servlet.http.HttpServletResponse

Overrides:

setHeader in class javax.servlet.http.HttpServletResponseWrapper

addHeader

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

Prevent content-length being set if page is parseable.

Specified by:

addHeader in interface javax.servlet.http.HttpServletResponse

Overrides:

addHeader in class javax.servlet.http.HttpServletResponseWrapper

setStatus

public void setStatus(int sc)

Prevent 'not modified' (304) HTTP status from being sent if page is parseable (so web-server/browser doesn't cache contents).

Specified by:

setStatus in interface javax.servlet.http.HttpServletResponse

Overrides:

setStatus in class javax.servlet.http.HttpServletResponseWrapper

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()

Specified by:

getWriter in interface javax.servlet.ServletResponse

Overrides:

getWriter in class javax.servlet.ServletResponseWrapper

getPage

public com.opensymphony.module.sitemesh.Page getPage()
                                              throws java.io.IOException

Throws:

java.io.IOException

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

sendRedirect

public void sendRedirect(java.lang.String location)
                  throws java.io.IOException

Specified by:

sendRedirect in interface javax.servlet.http.HttpServletResponse

Overrides:

sendRedirect in class javax.servlet.http.HttpServletResponseWrapper

Throws:

java.io.IOException

isUsingStream

public boolean isUsingStream()