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/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.config.spring.parsers;
import org.mule.util.ClassUtils;
import org.mule.util.StringUtils;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;
public class ClassOrRefDefinitionParser extends AbstractBeanDefinitionParser
{
private String propertyName;
public ClassOrRefDefinitionParser(String propertyName)
{
super();
if (StringUtils.isEmpty(propertyName))
{
throw new IllegalArgumentException("propertyName cannot be null");
}
this.propertyName = propertyName;
}
@Override
protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext)
{
MutablePropertyValues parentProps = parserContext.getContainingBeanDefinition().getPropertyValues();
String ref = element.getAttribute(AbstractMuleBeanDefinitionParser.ATTRIBUTE_REF);
String className = element.getAttribute(AbstractMuleBeanDefinitionParser.ATTRIBUTE_CLASS);
if (StringUtils.isBlank(ref) && StringUtils.isBlank(className))
{
String elementName = element.getLocalName();
throw new IllegalArgumentException("Neither ref nor class attribute specified for the "
+ elementName + " element");
}
if (StringUtils.isNotBlank(ref))
{
// add a ref to other bean
parentProps.addPropertyValue(propertyName, new RuntimeBeanReference(ref));
}
else
{
// class attributed specified, instantiate and set directly
Object instance;
try
{
instance = ClassUtils.instanciateClass(className, ClassUtils.NO_ARGS, getClass());
}
catch (Exception e)
{
throw new RuntimeException(e);
}
parentProps.addPropertyValue(propertyName, instance);
}
return null;
}
}
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