com.groiss.reporting.export
Class DownloadExporter

java.lang.Object
  com.groiss.reporting.export.HTMLExporter
      com.groiss.reporting.export.DownloadExporter

All Implemented Interfaces:

ReportingExporter, Public

public abstract class DownloadExporter
extends HTMLExporter
implements Public

Abstract subclass of HTMLExporter. Implement this class to provide export object as download. Class provides methods to download

Field Summary

Fields inherited from interface com.groiss.reporting.export.ReportingExporter

ROW_STYLE_HIDDEN

Constructor Summary

DownloadExporter()

Method Summary

void	download(HttpServletRequest req, HttpServletResponse res) Implement this Mehthod to provide download.
protected Object	getData(Query q, ReportingTableModel tm) Overwrite this Method to generate downloadable Object.
protected TableModel	getResultTableModel(Query q, ReportingTableModel tm) Returns a tablemodel that the TableRenderer may handle.

Methods inherited from class com.groiss.reporting.export.HTMLExporter

addConfigOptions, export, getAttributeDropdownlist, getExportName, getHeaderInfos, getId, getLineStyles, getPage, getResultComponent, getTableAdapter

Methods inherited from class java.lang.Object

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

Constructor Detail

DownloadExporter

public DownloadExporter()

Method Detail

getResultTableModel

protected TableModel getResultTableModel(Query q,
                                         ReportingTableModel tm)

Description copied from class: HTMLExporter

Returns a tablemodel that the TableRenderer may handle. Overwrite this method if the exporter should display the results in html to ensure compatibility with toolbar actions

Overrides:

getResultTableModel in class HTMLExporter

Parameters:

q - The query object

tm - The Reporting results return a Tablemodel implementation that the TableRenderer is able to transform to a TableContainer.

getData

protected Object getData(Query q,
                         ReportingTableModel tm)

Overwrite this Method to generate downloadable Object.

Parameters:

q - the Query Object

tm - the Reporting result table model

Returns:

a Object represanting the Download file/objet

download

public void download(HttpServletRequest req,
                     HttpServletResponse res)

Implement this Mehthod to provide download. Obtain a timestamp from request paramteter time and retrieve the queryid and the dataobject of the getData mehtod HttpSession Paramters "queryid"+timestamp and "querydata"+timestamp Note: Set the correct Contenttype and length of response.

Parameters:

req - the download request

res - the resonse object