Package net.sf.jasperreports.engine.util.xml

Class JRXPathExecuterUtils

java.lang.Object

net.sf.jasperreports.engine.util.xml.JRXPathExecuterUtils

public final class JRXPathExecuterUtils
extends Object

Helper class used to instantiate XPath executers.

The XPath executer factory class name is given by the net.sf.jasperreports.xpath.executer.factory property. The class should have a public default constructor so that it can be instantiated via reflection.

By default, XPath executers based on Jaxen are used.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	EXCEPTION_MESSAGE_KEY_XPATH_EXECUTER_FACTORY_NOT_FOUND
static final String	PROPERTY_XPATH_EXECUTER_FACTORY	Property that holds the XPath executer factory class name.

Method Summary

Modifier and Type	Method	Description
static JRXPathExecuter	getXPathExecuter(JasperReportsContext jasperReportsContext)	Produces an XPath executer instance by means of the factory returned by getXPathExecuterFactory(JasperReportsContext).
static JRXPathExecuterFactory	getXPathExecuterFactory(JasperReportsContext jasperReportsContext)	Return an XPath executer factory instance.

Methods inherited from class java.lang.Object

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

Field Details

EXCEPTION_MESSAGE_KEY_XPATH_EXECUTER_FACTORY_NOT_FOUND

public static final String EXCEPTION_MESSAGE_KEY_XPATH_EXECUTER_FACTORY_NOT_FOUND

See Also:

• Constant Field Values

PROPERTY_XPATH_EXECUTER_FACTORY

public static final String PROPERTY_XPATH_EXECUTER_FACTORY

Property that holds the XPath executer factory class name.

See Also:

• Constant Field Values

Method Details

getXPathExecuterFactory

public static JRXPathExecuterFactory getXPathExecuterFactory(JasperReportsContext jasperReportsContext)
                                                      throws JRException

Return an XPath executer factory instance.

Returns:

a JRXPathExecuterFactory instance

Throws:

JRException - if the XPath factory property is not defined or the factory cannot be instantiated.

getXPathExecuter

public static JRXPathExecuter getXPathExecuter(JasperReportsContext jasperReportsContext)
                                        throws JRException

Produces an XPath executer instance by means of the factory returned by getXPathExecuterFactory(JasperReportsContext).

Returns:

an JRXPathExecuter instance

Throws:

JRException - if the XPath factory property is not defined or the factory cannot be instantiated.