org.kuali.rice.krad.web.service.impl

Class FileControllerServiceImpl

java.lang.Object

org.kuali.rice.krad.web.service.impl.FileControllerServiceImpl

All Implemented Interfaces:

FileControllerService

Direct Known Subclasses:

DemoFileControllerServiceImpl

public class FileControllerServiceImpl
extends Object
implements FileControllerService

Default implementation of the file controller service.

Author:

Kuali Rice Team (rice.collab@kuali.org)

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	DELETE_FILE_UPLOAD_LINE_DIALOG

Constructor Summary

Constructors

Constructor and Description
FileControllerServiceImpl()

Method Summary

Methods

Modifier and Type	Method and Description
org.springframework.web.servlet.ModelAndView	addFileUploadLine(UifFormBase form) Invoked by the multiFile upload element to add a file object to the collection it controls.
org.springframework.web.servlet.ModelAndView	deleteFileUploadLine(UifFormBase form) Invoked by the multiFile upload widget to delete a file; Inform the model of file to delete.
protected CollectionControllerService	getCollectionControllerService()
void	getFileFromLine(UifFormBase form, javax.servlet.http.HttpServletResponse response) Invoked by the multiFile upload widget to get the file contents for a file upload line.
protected ModelAndViewService	getModelAndViewService()
protected void	sendFileFromLineResponse(UifFormBase form, javax.servlet.http.HttpServletResponse response, List<FileMeta> collection, FileMeta fileLine) Hook controller method to send a response back by using response.flushBuffer() using request/collection/fileLine information provided.
void	setCollectionControllerService(CollectionControllerService collectionControllerService)
void	setModelAndViewService(ModelAndViewService modelAndViewService)

Methods inherited from class java.lang.Object

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

Field Detail

DELETE_FILE_UPLOAD_LINE_DIALOG

protected static final String DELETE_FILE_UPLOAD_LINE_DIALOG

See Also:

Constant Field Values

Constructor Detail

FileControllerServiceImpl

public FileControllerServiceImpl()

Method Detail

addFileUploadLine

public org.springframework.web.servlet.ModelAndView addFileUploadLine(UifFormBase form)

Invoked by the multiFile upload element to add a file object to the collection it controls.

Specified by:

addFileUploadLine in interface FileControllerService

Parameters:

form - form instance containing the file data

Returns:

ModelAndView instance for rendering the view

deleteFileUploadLine

public org.springframework.web.servlet.ModelAndView deleteFileUploadLine(UifFormBase form)

Invoked by the multiFile upload widget to delete a file; Inform the model of file to delete.

Specified by:

deleteFileUploadLine in interface FileControllerService

Parameters:

form - form instance containing the file data

Returns:

ModelAndView instance for rendering the view

getFileFromLine

public void getFileFromLine(UifFormBase form,
                   javax.servlet.http.HttpServletResponse response)

Invoked by the multiFile upload widget to get the file contents for a file upload line.

Specified by:

getFileFromLine in interface FileControllerService

Parameters:

form - form instance containing the file request data

response - Http response for streaming back the file contents

sendFileFromLineResponse

protected void sendFileFromLineResponse(UifFormBase form,
                            javax.servlet.http.HttpServletResponse response,
                            List<FileMeta> collection,
                            FileMeta fileLine)

Hook controller method to send a response back by using response.flushBuffer() using request/collection/fileLine information provided.

A sample implementation may look like:

 if (fileLine instanceof FileMetaBlob) {
 InputStream is = ((FileMetaBlob) fileLine).getBlob().getBinaryStream();
 response.setContentType("application/force-download");
 response.setHeader("Content-Disposition", "attachment; filename=" + fileLine.getName());

 // copy it to response's OutputStream
 FileCopyUtils.copy(is, response.getOutputStream());

 response.flushBuffer();
 }
 

Parameters:

form - form instance containing the file request data

response - Http response object for streaming back the file contents

collection - collection the file object belongs to

fileLine - the particular file line instance the contents should be sent back for

getCollectionControllerService

protected CollectionControllerService getCollectionControllerService()

setCollectionControllerService

public void setCollectionControllerService(CollectionControllerService collectionControllerService)

getModelAndViewService

protected ModelAndViewService getModelAndViewService()

setModelAndViewService

public void setModelAndViewService(ModelAndViewService modelAndViewService)