cms/org.argeo.slc.spring/src/org/argeo/slc/core/execution/xml/ExecutionScopeDecorator.java

   1 package org.argeo.slc.core.execution.xml;
   2
   3 import org.springframework.aop.scope.ScopedProxyUtils;
   4 import org.springframework.beans.factory.config.BeanDefinitionHolder;
   5 import org.springframework.beans.factory.parsing.BeanComponentDefinition;
   6 import org.springframework.beans.factory.xml.BeanDefinitionDecorator;
   7 import org.springframework.beans.factory.xml.ParserContext;
   8 import org.w3c.dom.Element;
   9 import org.w3c.dom.Node;
  10
  11 /**
  12  * Inspired by org.springframework.aop.config.ScopedProxyBeanDefinitionDecorator
  13  */
  14 public class ExecutionScopeDecorator implements BeanDefinitionDecorator {
  15         private static final String PROXY_TARGET_CLASS = "proxy-target-class";
  16
  17         public BeanDefinitionHolder decorate(Node node,
  18                         BeanDefinitionHolder definition, ParserContext parserContext) {
  19
  20                 definition.getBeanDefinition().setScope("execution");
  21
  22                 // Default: CGLib not used
  23                 boolean proxyTargetClass = false;
  24                 if (node instanceof Element) {
  25                         Element ele = (Element) node;
  26                         if (ele.hasAttribute(PROXY_TARGET_CLASS)) {
  27                                 proxyTargetClass = Boolean.valueOf(ele.getAttribute(PROXY_TARGET_CLASS)).booleanValue();
  28                         }
  29                 }
  30
  31                 // Register the original bean definition as it will be referenced by the scoped proxy and is relevant for tooling (validation, navigation).
  32                 String targetBeanName = ScopedProxyUtils.getTargetBeanName(definition.getBeanName());
  33                 parserContext.getReaderContext().fireComponentRegistered(new BeanComponentDefinition(definition.getBeanDefinition(), targetBeanName));
  34
  35                 return ScopedProxyUtils.createScopedProxy(definition, parserContext.getRegistry(), proxyTargetClass);
  36         }
  37 }