net.sf.ehcache.constructs.web
Class GenericResponseWrapper

java.lang.Object
  javax.servlet.ServletResponseWrapper
      javax.servlet.http.HttpServletResponseWrapper
          net.sf.ehcache.constructs.web.GenericResponseWrapper

All Implemented Interfaces:

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

public class GenericResponseWrapper
extends javax.servlet.http.HttpServletResponseWrapper
implements Serializable

Provides a wrapper for HttpServletResponseWrapper.

It is used to wrap the real Response so that we can modify it after that the target of the request has delivered its response.

It uses the Wrapper pattern.

Version:

$Id: GenericResponseWrapper.java 793 2008-10-07 07:28:03Z gregluck $

Author:

Greg Luck

See Also:

Serialized Form

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_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

GenericResponseWrapper(javax.servlet.http.HttpServletResponse response, OutputStream outstr)
Creates a GenericResponseWrapper

Method Summary

void	addCookie(javax.servlet.http.Cookie cookie) Adds a cookie.
void	addDateHeader(String name, long date)
void	addHeader(String name, String value)
void	addIntHeader(String name, int value)
void	flush() Flushes all the streams for this response.
void	flushBuffer() Flushes buffer and commits response to client.
Collection<Header<? extends Serializable>>	getAllHeaders()
int	getContentLength() Gets the content length.
String	getContentType() Gets the content type.
Collection	getCookies() Gets all the cookies.
Collection	getHeaders() Deprecated. use getAllHeaders() instead
javax.servlet.ServletOutputStream	getOutputStream() Gets the outputstream.
int	getStatus() Returns the status code for this response.
PrintWriter	getWriter() Gets the print writer.
boolean	isDisableFlushBuffer() Is the wrapped reponse's buffer flushing disabled?
void	reset() Resets the response.
void	resetBuffer() Resets the buffers.
void	sendError(int i) Send the error.
void	sendError(int i, String string) Send the error.
void	sendRedirect(String string) Send the redirect.
void	setContentLength(int length) Sets the content length.
void	setContentType(String type) Sets the content type.
void	setDateHeader(String name, long date)
void	setDisableFlushBuffer(boolean disableFlushBuffer) Set if the wrapped reponse's buffer flushing should be disabled.
void	setHeader(String name, String value)
void	setIntHeader(String name, int value)
void	setStatus(int code) Sets the status code for this response.
void	setStatus(int code, String msg) Sets the status code for this response.

Methods inherited from class javax.servlet.http.HttpServletResponseWrapper

containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL

Methods inherited from class javax.servlet.ServletResponseWrapper

getBufferSize, getCharacterEncoding, getLocale, getResponse, isCommitted, setBufferSize, setCharacterEncoding, 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

getBufferSize, getCharacterEncoding, getLocale, isCommitted, setBufferSize, setCharacterEncoding, setLocale

Constructor Detail

GenericResponseWrapper

public GenericResponseWrapper(javax.servlet.http.HttpServletResponse response,
                              OutputStream outstr)

Creates a GenericResponseWrapper

Method Detail

getOutputStream

public javax.servlet.ServletOutputStream getOutputStream()

Gets the outputstream.

Specified by:

getOutputStream in interface javax.servlet.ServletResponse

Overrides:

getOutputStream in class javax.servlet.ServletResponseWrapper

setStatus

public void setStatus(int code)

Sets the status code for this response.

Specified by:

setStatus in interface javax.servlet.http.HttpServletResponse

Overrides:

setStatus in class javax.servlet.http.HttpServletResponseWrapper

sendError

public void sendError(int i,
                      String string)
               throws IOException

Send the error. If the response is not ok, most of the logic is bypassed and the error is sent raw Also, the content is not cached.

Specified by:

sendError in interface javax.servlet.http.HttpServletResponse

Overrides:

sendError in class javax.servlet.http.HttpServletResponseWrapper

Parameters:

i - the status code

string - the error message

Throws:

IOException

sendError

public void sendError(int i)
               throws IOException

Send the error. If the response is not ok, most of the logic is bypassed and the error is sent raw Also, the content is not cached.

Specified by:

sendError in interface javax.servlet.http.HttpServletResponse

Overrides:

sendError in class javax.servlet.http.HttpServletResponseWrapper

Parameters:

i - the status code

Throws:

IOException

sendRedirect

public void sendRedirect(String string)
                  throws IOException

Send the redirect. If the response is not ok, most of the logic is bypassed and the error is sent raw. Also, the content is not cached.

Specified by:

sendRedirect in interface javax.servlet.http.HttpServletResponse

Overrides:

sendRedirect in class javax.servlet.http.HttpServletResponseWrapper

Parameters:

string - the URL to redirect to

Throws:

IOException

setStatus

public void setStatus(int code,
                      String msg)

Sets the status code for this response.

Specified by:

setStatus in interface javax.servlet.http.HttpServletResponse

Overrides:

setStatus in class javax.servlet.http.HttpServletResponseWrapper

getStatus

public int getStatus()

Returns the status code for this response.

setContentLength

public void setContentLength(int length)

Sets the content length.

Specified by:

setContentLength in interface javax.servlet.ServletResponse

Overrides:

setContentLength in class javax.servlet.ServletResponseWrapper

getContentLength

public int getContentLength()

Gets the content length.

setContentType

public void setContentType(String type)

Sets the content type.

Specified by:

setContentType in interface javax.servlet.ServletResponse

Overrides:

setContentType in class javax.servlet.ServletResponseWrapper

getContentType

public String getContentType()

Gets the content type.

Specified by:

getContentType in interface javax.servlet.ServletResponse

Overrides:

getContentType in class javax.servlet.ServletResponseWrapper

getWriter

public PrintWriter getWriter()
                      throws IOException

Gets the print writer.

Specified by:

getWriter in interface javax.servlet.ServletResponse

Overrides:

getWriter in class javax.servlet.ServletResponseWrapper

Throws:

IOException

addHeader

public void addHeader(String name,
                      String value)

Specified by:

addHeader in interface javax.servlet.http.HttpServletResponse

Overrides:

addHeader in class javax.servlet.http.HttpServletResponseWrapper

See Also:

HttpServletResponseWrapper.addHeader(java.lang.String, java.lang.String)

setHeader

public void setHeader(String name,
                      String value)

Specified by:

setHeader in interface javax.servlet.http.HttpServletResponse

Overrides:

setHeader in class javax.servlet.http.HttpServletResponseWrapper

See Also:

HttpServletResponseWrapper.setHeader(java.lang.String, java.lang.String)

addDateHeader

public void addDateHeader(String name,
                          long date)

Specified by:

addDateHeader in interface javax.servlet.http.HttpServletResponse

Overrides:

addDateHeader in class javax.servlet.http.HttpServletResponseWrapper

See Also:

HttpServletResponseWrapper.addDateHeader(java.lang.String, long)

setDateHeader

public void setDateHeader(String name,
                          long date)

Specified by:

setDateHeader in interface javax.servlet.http.HttpServletResponse

Overrides:

setDateHeader in class javax.servlet.http.HttpServletResponseWrapper

See Also:

HttpServletResponseWrapper.setDateHeader(java.lang.String, long)

addIntHeader

public void addIntHeader(String name,
                         int value)

Specified by:

addIntHeader in interface javax.servlet.http.HttpServletResponse

Overrides:

addIntHeader in class javax.servlet.http.HttpServletResponseWrapper

See Also:

HttpServletResponseWrapper.addIntHeader(java.lang.String, int)

setIntHeader

public void setIntHeader(String name,
                         int value)

Specified by:

setIntHeader in interface javax.servlet.http.HttpServletResponse

Overrides:

setIntHeader in class javax.servlet.http.HttpServletResponseWrapper

See Also:

HttpServletResponseWrapper.setIntHeader(java.lang.String, int)

getHeaders

@Deprecated
public Collection getHeaders()

Deprecated. use getAllHeaders() instead

Gets the headersMap.

getAllHeaders

public Collection<Header<? extends Serializable>> getAllHeaders()

Returns:

All of the headersMap set/added on the response

addCookie

public void addCookie(javax.servlet.http.Cookie cookie)

Adds a cookie.

Specified by:

addCookie in interface javax.servlet.http.HttpServletResponse

Overrides:

addCookie in class javax.servlet.http.HttpServletResponseWrapper

getCookies

public Collection getCookies()

Gets all the cookies.

flushBuffer

public void flushBuffer()
                 throws IOException

Flushes buffer and commits response to client.

Specified by:

flushBuffer in interface javax.servlet.ServletResponse

Overrides:

flushBuffer in class javax.servlet.ServletResponseWrapper

Throws:

IOException

reset

public void reset()

Resets the response.

Specified by:

reset in interface javax.servlet.ServletResponse

Overrides:

reset in class javax.servlet.ServletResponseWrapper

resetBuffer

public void resetBuffer()

Resets the buffers.

Specified by:

resetBuffer in interface javax.servlet.ServletResponse

Overrides:

resetBuffer in class javax.servlet.ServletResponseWrapper

flush

public void flush()
           throws IOException

Flushes all the streams for this response.

Throws:

IOException

isDisableFlushBuffer

public boolean isDisableFlushBuffer()

Is the wrapped reponse's buffer flushing disabled?

Returns:

true if the wrapped reponse's buffer flushing disabled

setDisableFlushBuffer

public void setDisableFlushBuffer(boolean disableFlushBuffer)

Set if the wrapped reponse's buffer flushing should be disabled.

Parameters:

disableFlushBuffer - true if the wrapped reponse's buffer flushing should be disabled