Package org.apache.wicket.protocol.http.servlet

Class MultipartServletWebRequestImpl

java.lang.Object

org.apache.wicket.request.Request

org.apache.wicket.request.http.WebRequest

org.apache.wicket.protocol.http.servlet.ServletWebRequest

org.apache.wicket.protocol.http.servlet.MultipartServletWebRequest

org.apache.wicket.protocol.http.servlet.MultipartServletWebRequestImpl

All Implemented Interfaces:

IMultipartWebRequest

public class MultipartServletWebRequestImpl
extends MultipartServletWebRequest

Servlet specific WebRequest subclass for multipart content uploads.

Author:

Jonathan Locke, Eelco Hillenius, Cameron Braid, Ate Douma, Igor Vaynberg (ivaynberg)

Field Summary

Fields inherited from class org.apache.wicket.request.http.WebRequest

HEADER_AJAX, HEADER_AJAX_BASE_URL, HEADER_ORIGIN, HEADER_REFERER, PARAM_AJAX, PARAM_AJAX_BASE_URL, PARAM_AJAX_REQUEST_ANTI_CACHE

Constructor Summary

Constructors

Constructor	Description
MultipartServletWebRequestImpl(javax.servlet.http.HttpServletRequest request, String filterPrefix, Bytes maxSize, String upload)	Constructor.
MultipartServletWebRequestImpl(javax.servlet.http.HttpServletRequest request, String filterPrefix, Bytes maxSize, String upload, org.apache.commons.fileupload.FileItemFactory factory)	Constructor

Method Summary

Modifier and Type	Method	Description
static void	clearUploadInfo(javax.servlet.http.HttpServletRequest req, String upload)	Clears the UploadInfo object from session if one exists.
protected Map<String,List<StringValue>>	generatePostParameters()
List<org.apache.commons.fileupload.FileItem>	getFile(String fieldName)	Gets the file that was uploaded using the given field name.
Map<String,List<org.apache.commons.fileupload.FileItem>>	getFiles()
static UploadInfo	getUploadInfo(javax.servlet.http.HttpServletRequest req, String upload)	Retrieves UploadInfo from session, null if not found.
protected org.apache.commons.fileupload.FileUploadBase	newFileUpload(String encoding)	Factory method for creating new instances of FileUploadBase
MultipartServletWebRequest	newMultipartWebRequest(Bytes maxSize, String upload)	Creates multipart web request from this request.
MultipartServletWebRequest	newMultipartWebRequest(Bytes maxSize, String upload, org.apache.commons.fileupload.FileItemFactory factory)	Creates multipart web request from this request.
protected void	onUploadCompleted()	Upload completed callback
protected void	onUploadStarted(int totalBytes)	Upload start callback
protected void	onUploadUpdate(int bytesUploaded, int total)	Upload status update callback
void	parseFileParts()	Parses the multipart body of the request.
static void	setUploadInfo(javax.servlet.http.HttpServletRequest req, String upload, UploadInfo uploadInfo)	Sets the UploadInfo object into session.
protected boolean	wantUploadProgressUpdates()	Subclasses that want to receive upload notifications should return true.

Methods inherited from class org.apache.wicket.protocol.http.servlet.MultipartServletWebRequest

cloneWithUrl, getFileCountMax, getFileMaxSize, getMaxSize, setFileCountMax, setFileMaxSize, setMaxSize

Methods inherited from class org.apache.wicket.protocol.http.servlet.ServletWebRequest

getCharset, getClientUrl, getContainerRequest, getContextPath, getCookies, getDateHeader, getFilterPath, getFilterPrefix, getHeader, getHeaders, getLocale, getPostParameters, getPrefixToContextPath, getUrl, shouldPreserveClientUrl

Methods inherited from class org.apache.wicket.request.http.WebRequest

getCookie, getIfModifiedSinceHeader, isAjax

Methods inherited from class org.apache.wicket.request.Request

getOriginalUrl, getQueryParameters, getRequestParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

MultipartServletWebRequestImpl

public MultipartServletWebRequestImpl(javax.servlet.http.HttpServletRequest request,
                                      String filterPrefix,
                                      Bytes maxSize,
                                      String upload)
                               throws org.apache.commons.fileupload.FileUploadException

Constructor. This constructor will use DiskFileItemFactory to store uploads.

Parameters:

request - the servlet request

filterPrefix - prefix to wicket filter mapping

maxSize - the maximum size allowed for this request

upload - upload identifier for UploadInfo

Throws:

org.apache.commons.fileupload.FileUploadException - Thrown if something goes wrong with upload

MultipartServletWebRequestImpl

public MultipartServletWebRequestImpl(javax.servlet.http.HttpServletRequest request,
                                      String filterPrefix,
                                      Bytes maxSize,
                                      String upload,
                                      org.apache.commons.fileupload.FileItemFactory factory)
                               throws org.apache.commons.fileupload.FileUploadException

Constructor

Parameters:

request - the servlet request

filterPrefix - prefix to wicket filter mapping

maxSize - the maximum size allowed for this request

upload - upload identifier for UploadInfo

factory - DiskFileItemFactory to use when creating file items used to represent uploaded files

Throws:

org.apache.commons.fileupload.FileUploadException - Thrown if something goes wrong with upload

Method Detail

parseFileParts

public void parseFileParts()
                    throws org.apache.commons.fileupload.FileUploadException

Description copied from class: MultipartServletWebRequest

Parses the multipart body of the request.

Specified by:

parseFileParts in class MultipartServletWebRequest

Throws:

org.apache.commons.fileupload.FileUploadException

newFileUpload

protected org.apache.commons.fileupload.FileUploadBase newFileUpload(String encoding)

Factory method for creating new instances of FileUploadBase

Parameters:

encoding - The encoding to use while reading the data

Returns:

A new instance of FileUploadBase

getFiles

public Map<String,List<org.apache.commons.fileupload.FileItem>> getFiles()

Returns:

Returns the files.

getFile

public List<org.apache.commons.fileupload.FileItem> getFile(String fieldName)

Gets the file that was uploaded using the given field name.

Parameters:

fieldName - the field name that was used for the upload

Returns:

the upload with the given field name

generatePostParameters

protected Map<String,List<StringValue>> generatePostParameters()

Overrides:

generatePostParameters in class ServletWebRequest

wantUploadProgressUpdates

protected boolean wantUploadProgressUpdates()

Subclasses that want to receive upload notifications should return true. By default it takes the value from ApplicationSettings.isUploadProgressUpdatesEnabled().

Returns:

true if upload status update event should be invoked

onUploadStarted

protected void onUploadStarted(int totalBytes)

Upload start callback

Parameters:

totalBytes -

onUploadUpdate

protected void onUploadUpdate(int bytesUploaded,
                              int total)

Upload status update callback

Parameters:

bytesUploaded -

total -

onUploadCompleted

protected void onUploadCompleted()

Upload completed callback

newMultipartWebRequest

public MultipartServletWebRequest newMultipartWebRequest(Bytes maxSize,
                                                         String upload)
                                                  throws org.apache.commons.fileupload.FileUploadException

Description copied from class: ServletWebRequest

Creates multipart web request from this request.

Overrides:

newMultipartWebRequest in class ServletWebRequest

Parameters:

maxSize - max allowed size of request

upload - upload identifier for UploadInfo

Returns:

multipart request

Throws:

org.apache.commons.fileupload.FileUploadException

newMultipartWebRequest

public MultipartServletWebRequest newMultipartWebRequest(Bytes maxSize,
                                                         String upload,
                                                         org.apache.commons.fileupload.FileItemFactory factory)
                                                  throws org.apache.commons.fileupload.FileUploadException

Description copied from class: ServletWebRequest

Creates multipart web request from this request.

Overrides:

newMultipartWebRequest in class ServletWebRequest

Parameters:

maxSize - max allowed size of request

upload - upload identifier for UploadInfo

Returns:

multipart request

Throws:

org.apache.commons.fileupload.FileUploadException

getUploadInfo

public static UploadInfo getUploadInfo(javax.servlet.http.HttpServletRequest req,
                                       String upload)

Retrieves UploadInfo from session, null if not found.

Parameters:

req - http servlet request, not null

upload - upload identifier

Returns:

UploadInfo object from session, or null if not found

setUploadInfo

public static void setUploadInfo(javax.servlet.http.HttpServletRequest req,
                                 String upload,
                                 UploadInfo uploadInfo)

Sets the UploadInfo object into session.

Parameters:

req - http servlet request, not null

upload - upload identifier

uploadInfo - UploadInfo object to be put into session, not null

clearUploadInfo

public static void clearUploadInfo(javax.servlet.http.HttpServletRequest req,
                                   String upload)

Clears the UploadInfo object from session if one exists.

Parameters:

req - http servlet request, not null

upload - upload identifier