org.jaxen.saxpath.helpers

Class XPathReaderFactory

java.lang.Object

org.jaxen.saxpath.helpers.XPathReaderFactory

public class XPathReaderFactory
extends java.lang.Object

Create an XPathReader from either a system property, or a named class.

Similar to the SAX API, the XPathReaderFactory can create an XPathReader from a name of a class passed in directly, or by inspecting the system property org.saxpath.driver.

Author:

bob mcwhirter (bob@werken.com)

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.lang.String	DEFAULT_DRIVER The default driver to use if none is configured.
static java.lang.String	DRIVER_PROPERTY The org.saxpath.driver property name.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	XPathReaderFactory()

Method Summary

Methods

Modifier and Type	Method and Description
static XPathReader	createReader() Create an XPathReader using the value of the org.saxpath.driver system property.
static XPathReader	createReader(java.lang.String className) Create an XPathReader using the passed in class name.

Methods inherited from class java.lang.Object

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

Field Detail

DRIVER_PROPERTY

public static final java.lang.String DRIVER_PROPERTY

The org.saxpath.driver property name.

See Also:

Constant Field Values

DEFAULT_DRIVER

protected static final java.lang.String DEFAULT_DRIVER

The default driver to use if none is configured.

See Also:

Constant Field Values

Constructor Detail

XPathReaderFactory

private XPathReaderFactory()

Method Detail

createReader

public static XPathReader createReader()
                                throws SAXPathException

Create an XPathReader using the value of the org.saxpath.driver system property.

Returns:

an instance of the XPathReader specified by the org.saxpath.driver property

Throws:

SAXPathException - if the property is not set, or if the class can not be instantiated for some reason, or if the class doesn't implement the XPathReader interface

createReader

public static XPathReader createReader(java.lang.String className)
                                throws SAXPathException

Create an XPathReader using the passed in class name.

Parameters:

className - the name of the class that implements the XPathReader interface.

Returns:

an XPathReader

Throws:

SAXPathException - if the class cannot be instantiated for some reason, or if the class doesn't implement the XPathReader interface