org.dbforms.servlets
Class JasperReportServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.dbforms.servlets.base.AbstractServletBase
              org.dbforms.servlets.reports.AbstractReportServlet
                  org.dbforms.servlets.JasperReportServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

public class JasperReportServlet
extends AbstractReportServlet

This servlet starts a JasperReport.

Author:

Henner Kollmann

See Also:

Serialized Form

Constructor Summary

JasperReportServlet()

Method Summary

protected void	compileReport(ServletContext context, String reportFile) DOCUMENT ME!
protected String	getReportFileExtension() DOCUMENT ME!
protected ReportWriter	processReport(String reportFileFullName, AbstractJRDataSource dataSource, ServletContext context, HttpServletRequest request, HttpServletResponse response) generates a report.

Methods inherited from class org.dbforms.servlets.reports.AbstractReportServlet

handleException, init, process

Methods inherited from class org.dbforms.servlets.base.AbstractServletBase

doGet, doPost, sendErrorMessage

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Detail

JasperReportServlet

public JasperReportServlet()

Method Detail

getReportFileExtension

protected String getReportFileExtension()

DOCUMENT ME!

Specified by:

getReportFileExtension in class AbstractReportServlet

Returns:

DOCUMENT ME!

compileReport

protected void compileReport(ServletContext context,
                             String reportFile)
                      throws Exception

DOCUMENT ME!

Overrides:

compileReport in class AbstractReportServlet

Parameters:

context - DOCUMENT ME!

reportFile - DOCUMENT ME!

Throws:

Exception - DOCUMENT ME!

processReport

protected ReportWriter processReport(String reportFileFullName,
                                     AbstractJRDataSource dataSource,
                                     ServletContext context,
                                     HttpServletRequest request,
                                     HttpServletResponse response)

generates a report.

Specified by:

processReport in class AbstractReportServlet

Parameters:

reportFileFullName - filename of report to process reportHTTPServletRequest generated by getReportFile! getReportFile should be called before fetching data, so that error handling of report not found e.g. could be processed first!

dataSource - data for the report

context - ServletContext

request - HTTPServletRequest

response - HTTPServletResponse

Returns:

DOCUMENT ME!