org.mule.config.spring.parsers.processors

Class AbstractChildElementIterator

java.lang.Object

org.mule.config.spring.parsers.processors.AbstractChildElementIterator

All Implemented Interfaces:

PostProcessor

Direct Known Subclasses:

NamedSetterChildElementIterator

public abstract class AbstractChildElementIterator
extends Object
implements PostProcessor

This iterates over child elements, parsing them and calling insertBean(BeanAssembler, Object, Element, Element).

There are two ways we can parse a tree of elements - have an external loop or let each parser iterate over its own children. Mule uses the first strategy, but some (most? all?) third party BDPs use the second. This processor lets us use third party beans inside the Mule framework.

So this is a very specialised parser that should only be used when trying to inter-operate with beans from third party packages which themselves control how their children are parsed.

Since for Mule beans the iteration over child elements (at least currently) is done via MuleHierarchicalBeanDefinitionParserDelegate the calling parser needs to set the flag MuleHierarchicalBeanDefinitionParserDelegate.MULE_NO_RECURSE - this stops the Mule recursion from working.

NOTE - IMHO (ac) the Mule approach was probably a mistake; this processor could be used as a way to slowly migrate the Mule code to the more common approach.

Constructor Summary

Constructors

Constructor and Description
AbstractChildElementIterator(BeanAssemblerFactory beanAssemblerFactory, PropertyConfiguration configuration)

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract void	insertBean(BeanAssembler targetAssembler, Object childBean, Element parent, Element child)
void	postProcess(org.springframework.beans.factory.xml.ParserContext context, BeanAssembler assembler, Element element)
protected void	processChildElement(org.springframework.beans.factory.xml.ParserContext context, BeanAssembler assembler, Element parent, Element child)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractChildElementIterator

public AbstractChildElementIterator(BeanAssemblerFactory beanAssemblerFactory,
                            PropertyConfiguration configuration)

Method Detail

postProcess

public void postProcess(org.springframework.beans.factory.xml.ParserContext context,
               BeanAssembler assembler,
               Element element)

Specified by:

postProcess in interface PostProcessor

processChildElement

protected void processChildElement(org.springframework.beans.factory.xml.ParserContext context,
                       BeanAssembler assembler,
                       Element parent,
                       Element child)

insertBean

protected abstract void insertBean(BeanAssembler targetAssembler,
              Object childBean,
              Element parent,
              Element child)