org.kuali.rice.krad.demo.uif.controller

Class DemoFileControllerServiceImpl

java.lang.Object

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

org.kuali.rice.krad.demo.uif.controller.DemoFileControllerServiceImpl

All Implemented Interfaces:

FileControllerService

public class DemoFileControllerServiceImpl
extends FileControllerServiceImpl

Demo controller service for sending back file contents.

Author:

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

Field Summary

Fields inherited from class org.kuali.rice.krad.web.service.impl.FileControllerServiceImpl

DELETE_FILE_UPLOAD_LINE_DIALOG

Constructor Summary

Constructors

Constructor and Description
DemoFileControllerServiceImpl()

Method Summary

Methods

Modifier and Type	Method and Description
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.

Methods inherited from class org.kuali.rice.krad.web.service.impl.FileControllerServiceImpl

addFileUploadLine, deleteFileUploadLine, getCollectionControllerService, getFileFromLine, getModelAndViewService, setCollectionControllerService, setModelAndViewService

Methods inherited from class java.lang.Object

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

Constructor Detail

DemoFileControllerServiceImpl

public DemoFileControllerServiceImpl()

Method Detail

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();
 }
 

Overrides:

sendFileFromLineResponse in class FileControllerServiceImpl

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