org.apache.commons.betwixt.digester

Class ElementRule

java.lang.Object

org.apache.commons.digester.Rule

org.apache.commons.betwixt.digester.RuleSupport

org.apache.commons.betwixt.digester.ElementRule

public class ElementRule
extends RuleSupport

ElementRule the digester Rule for parsing the <element> elements.

Version:

$Id: ElementRule.java,v 1.6 2003/01/07 22:32:57 rdonkin Exp $

Author:

James Strachan

Field Summary

Fields

Modifier and Type	Field and Description
private Class	beanClass Class for which the .bewixt file is being digested
private ClassLoader	classLoader Classloader used to load classes by name
private static Log	log Logger

Fields inherited from class org.apache.commons.digester.Rule

digester, namespaceURI

Constructor Summary

Constructors

Constructor and Description
ElementRule() Base constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	begin(Attributes attributes) Process the beginning of this element.
protected void	configureDescriptor(ElementDescriptor elementDescriptor) Set the Expression and Updater from a bean property name
void	end() Process the end of this element.
protected PropertyDescriptor	getPropertyDescriptor(Class beanClass, String propertyName) Returns the property descriptor for the class and property name.
protected Class	getPropertyType(String propertyClassName, Class beanClass, String propertyName) Gets the type of a property

Methods inherited from class org.apache.commons.betwixt.digester.RuleSupport

getBeanClass, getProcessedPropertyNameSet, getXMLInfoDigester, getXMLIntrospector

Methods inherited from class org.apache.commons.digester.Rule

begin, body, body, end, finish, getDigester, getNamespaceURI, setDigester, setNamespaceURI

Methods inherited from class java.lang.Object

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

Field Detail

log

private static final Log log

Logger

classLoader

private ClassLoader classLoader

Classloader used to load classes by name

beanClass

private Class beanClass

Class for which the .bewixt file is being digested

Constructor Detail

ElementRule

public ElementRule()

Base constructor

Method Detail

begin

public void begin(Attributes attributes)
           throws SAXException

Process the beginning of this element.

Overrides:

begin in class Rule

Parameters:

attributes - The attribute list of this element

Throws:

SAXException - when this tag's parent is not either an info or element tag

end

public void end()

Process the end of this element.

Overrides:

end in class Rule

getPropertyType

protected Class getPropertyType(String propertyClassName,
                    Class beanClass,
                    String propertyName)

Gets the type of a property

Parameters:

propertyClassName - class name for property type (may be null)

beanClass - class that has property

propertyName - the name of the property whose type is to be determined

Returns:

property type

configureDescriptor

protected void configureDescriptor(ElementDescriptor elementDescriptor)

Set the Expression and Updater from a bean property name

Parameters:

elementDescriptor - configure this ElementDescriptor

getPropertyDescriptor

protected PropertyDescriptor getPropertyDescriptor(Class beanClass,
                                       String propertyName)

Returns the property descriptor for the class and property name. Note that some caching could be used to improve performance of this method. Or this method could be added to PropertyUtils.

Parameters:

beanClass - descriptor for property in this class

propertyName - descriptor for property with this name

Returns:

property descriptor for the named property in the given class