Package com.twelvemonkeys.servlet.fileupload

Class FileUploadFilter

java.lang.Object

com.twelvemonkeys.servlet.GenericFilter

com.twelvemonkeys.servlet.fileupload.FileUploadFilter

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Filter, javax.servlet.FilterConfig

public class FileUploadFilter
extends GenericFilter

A servlet Filter for processing HTTP file upload requests, as specified by Form-based File Upload in HTML (RFC1867).

Version:

$Id: FileUploadFilter.java#1 $

Author:

Harald Kuhr

See Also:

HttpFileUploadRequest, Serialized Form

Field Summary

Fields inherited from class com.twelvemonkeys.servlet.GenericFilter

oncePerRequest

Constructor Summary

Constructors

Constructor	Description
FileUploadFilter()

Method Summary

Modifier and Type	Method	Description
void	doFilterImpl(javax.servlet.ServletRequest pRequest, javax.servlet.ServletResponse pResponse, javax.servlet.FilterChain pChain)	Examines the request content type, and if it is a multipart/* request, wraps the request with a HttpFileUploadRequest.
void	init()	This method is called by the server before the filter goes into service, and here it determines the file upload directory.
void	setMaxFileSize(long pMaxSize)	Sets max filesize allowed for upload.

Methods inherited from class com.twelvemonkeys.servlet.GenericFilter

destroy, doFilter, getFilterConfig, getFilterName, getInitParameter, getInitParameterNames, getServletContext, init, log, log, setFilterConfig, setOncePerRequest

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUploadFilter

public FileUploadFilter()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

This method is called by the server before the filter goes into service, and here it determines the file upload directory.

Overrides:

init in class GenericFilter

Throws:

javax.servlet.ServletException

See Also:

GenericFilter.init(FilterConfig)

setMaxFileSize

public void setMaxFileSize(long pMaxSize)

Sets max filesize allowed for upload.

Parameters:

pMaxSize -

doFilterImpl

public void doFilterImpl(javax.servlet.ServletRequest pRequest,
                         javax.servlet.ServletResponse pResponse,
                         javax.servlet.FilterChain pChain)
                  throws java.io.IOException,
                         javax.servlet.ServletException

Examines the request content type, and if it is a multipart/* request, wraps the request with a HttpFileUploadRequest.

Specified by:

doFilterImpl in class GenericFilter

Parameters:

pRequest - The servlet request

pResponse - The servlet response

pChain - The filter chain

Throws:

javax.servlet.ServletException

java.io.IOException

See Also:

GenericFilter.oncePerRequest, doFilter, Filter.doFilter