jodd.servlet.filters
Class GzipResponseWrapper

java.lang.Object
  extended byjavax.servlet.ServletResponseWrapper
      extended byjavax.servlet.http.HttpServletResponseWrapper
          extended byjodd.servlet.filters.GzipResponseWrapper
All Implemented Interfaces:
javax.servlet.http.HttpServletResponse, javax.servlet.ServletResponse

public class GzipResponseWrapper
extends javax.servlet.http.HttpServletResponseWrapper

Implementation of HttpServletResponseWrapper that works with the CompressionServletResponseStream implementation..


Field Summary
protected  java.lang.String contentType
          Content type
protected  javax.servlet.http.HttpServletResponse origResponse
          Original response
protected  javax.servlet.ServletOutputStream stream
          The ServletOutputStream that has been returned by getOutputStream(), if any.
protected  int threshold
          The threshold number to compress
protected  java.io.PrintWriter writer
          The PrintWriter that has been returned by getWriter(), if any.
 
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
GzipResponseWrapper(javax.servlet.http.HttpServletResponse response)
          Calls the parent constructor which creates a ServletResponse adaptor wrapping the given response object.
 
Method Summary
 javax.servlet.ServletOutputStream createOutputStream()
          Creates and returns a ServletOutputStream to write the content associated with this Response.
 void finishResponse()
          Finishes a response.
 void flushBuffer()
          Flush the buffer and commit this response.
 javax.servlet.ServletOutputStream getOutputStream()
          Returns the servlet output stream associated with this Response.
 java.io.PrintWriter getWriter()
          Returns the writer associated with this Response.
 void setCompressionThreshold(int threshold)
          Set threshold number
 void setContentLength(int length)
           
 void setContentType(java.lang.String contentType)
          Set content type
 
Methods inherited from class javax.servlet.http.HttpServletResponseWrapper
addCookie, addDateHeader, addHeader, addIntHeader, containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL, sendError, sendError, sendRedirect, setDateHeader, setHeader, setIntHeader, setStatus, setStatus
 
Methods inherited from class javax.servlet.ServletResponseWrapper
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
getBufferSize, getCharacterEncoding, getLocale, isCommitted, reset, resetBuffer, setBufferSize, setLocale
 

Field Detail

origResponse

protected javax.servlet.http.HttpServletResponse origResponse
Original response


stream

protected javax.servlet.ServletOutputStream stream
The ServletOutputStream that has been returned by getOutputStream(), if any.


writer

protected java.io.PrintWriter writer
The PrintWriter that has been returned by getWriter(), if any.


threshold

protected int threshold
The threshold number to compress


contentType

protected java.lang.String contentType
Content type

Constructor Detail

GzipResponseWrapper

public GzipResponseWrapper(javax.servlet.http.HttpServletResponse response)
Calls the parent constructor which creates a ServletResponse adaptor wrapping the given response object.

Parameters:
response -
Method Detail

setContentType

public void setContentType(java.lang.String contentType)
Set content type

Parameters:
contentType -

setCompressionThreshold

public void setCompressionThreshold(int threshold)
Set threshold number

Parameters:
threshold -

createOutputStream

public javax.servlet.ServletOutputStream createOutputStream()
                                                     throws java.io.IOException
Creates and returns a ServletOutputStream to write the content associated with this Response.

Returns:
a ServletOutputStream to write the content associated with response
Throws:
java.io.IOException - if an input/output error occurs

finishResponse

public void finishResponse()
Finishes a response.


flushBuffer

public void flushBuffer()
                 throws java.io.IOException
Flush the buffer and commit this response.

Throws:
java.io.IOException - if an input/output error occurs

getOutputStream

public javax.servlet.ServletOutputStream getOutputStream()
                                                  throws java.io.IOException
Returns the servlet output stream associated with this Response.

Returns:
servlet output stream associated with this Response
Throws:
java.lang.IllegalStateException - if getWriter has already been called for this response
java.io.IOException - if an input/output error occurs

getWriter

public java.io.PrintWriter getWriter()
                              throws java.io.IOException
Returns the writer associated with this Response.

Returns:
the writer associated with this Response
Throws:
java.lang.IllegalStateException - if getOutputStream has already been called for this response
java.io.IOException - if an input/output error occurs

setContentLength

public void setContentLength(int length)


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