org.egov.infra.reporting.engine.jasper

Class JasperReportService

java.lang.Object

org.egov.infra.reporting.engine.AbstractReportService<net.sf.jasperreports.engine.JasperReport>

org.egov.infra.reporting.engine.jasper.JasperReportService

All Implemented Interfaces:

ReportService

public class JasperReportService
extends AbstractReportService<net.sf.jasperreports.engine.JasperReport>

Report service for generating reports using the JasperReports engine. Caches the report templates based on the template file to improve performance.

Field Summary

Fields

Modifier and Type	Field and Description
static String	TEMPLATE_EXTENSION

Constructor Summary

Constructors

Constructor and Description
JasperReportService(int templateCacheMinSize, int templateCacheMaxSize)

Method Summary

Modifier and Type	Method and Description
protected ReportOutput	createReportFromHql(ReportRequest reportInput) Creates report using a template that uses HQL for fetching data
protected ReportOutput	createReportFromJavaBean(ReportRequest reportInput) Creates a report using given report input where the report data source is java beans
protected ReportOutput	createReportFromSql(ReportRequest reportInput, Connection connection) Creates report for given report template, format, connection and parameters
protected String	getTemplateExtension()
protected net.sf.jasperreports.engine.JasperReport	loadTemplate(InputStream templateInputStream)

Methods inherited from class org.egov.infra.reporting.engine.AbstractReportService

createReport, createReportFromSql, getTemplate, isValidTemplate

Methods inherited from class java.lang.Object

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

Field Detail

TEMPLATE_EXTENSION

public static final String TEMPLATE_EXTENSION

See Also:

Constant Field Values

Constructor Detail

JasperReportService

public JasperReportService(int templateCacheMinSize,
                           int templateCacheMaxSize)

Parameters:

templateCacheMinSize - Minimum size of template cache

templateCacheMaxSize - Maximum size of template cache

Method Detail

getTemplateExtension

protected String getTemplateExtension()

Specified by:

getTemplateExtension in class AbstractReportService<net.sf.jasperreports.engine.JasperReport>

Returns:

Extension of the report templates supported by the report service

createReportFromSql

protected ReportOutput createReportFromSql(ReportRequest reportInput,
                                           Connection connection)

Description copied from class: AbstractReportService

Creates report for given report template, format, connection and parameters

Specified by:

createReportFromSql in class AbstractReportService<net.sf.jasperreports.engine.JasperReport>

Parameters:

reportInput - Report Input object

Returns:

Report output for given report template, format, data source and parameters.

createReportFromJavaBean

protected ReportOutput createReportFromJavaBean(ReportRequest reportInput)

Description copied from class: AbstractReportService

Creates a report using given report input where the report data source is java beans

Specified by:

createReportFromJavaBean in class AbstractReportService<net.sf.jasperreports.engine.JasperReport>

Parameters:

reportInput - The report input

Returns:

The report output

createReportFromHql

protected ReportOutput createReportFromHql(ReportRequest reportInput)

Description copied from class: AbstractReportService

Creates report using a template that uses HQL for fetching data

Specified by:

createReportFromHql in class AbstractReportService<net.sf.jasperreports.engine.JasperReport>

Parameters:

reportInput - The report input

Returns:

Report output created using given input

loadTemplate

protected net.sf.jasperreports.engine.JasperReport loadTemplate(InputStream templateInputStream)

Specified by:

loadTemplate in class AbstractReportService<net.sf.jasperreports.engine.JasperReport>

Parameters:

templateInputStream - Input stream from which the report template is to be loaded

Returns:

The report template object