runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/xml/AsFlowDecorator.java

   1 package org.argeo.slc.core.execution.xml;
   2
   3 import org.argeo.slc.SlcException;
   4 import org.argeo.slc.core.execution.DefaultExecutionFlow;
   5 import org.springframework.beans.factory.config.BeanDefinitionHolder;
   6 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
   7 import org.springframework.beans.factory.support.ManagedList;
   8 import org.springframework.beans.factory.xml.BeanDefinitionDecorator;
   9 import org.springframework.beans.factory.xml.ParserContext;
  10 import org.w3c.dom.Attr;
  11 import org.w3c.dom.Node;
  12
  13 public class AsFlowDecorator implements BeanDefinitionDecorator {
  14
  15         @SuppressWarnings("unchecked")
  16         public BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder bean,
  17                         ParserContext ctx) {
  18                 String flowBeanName = ((Attr) node).getValue();
  19                 if (ctx.getRegistry().containsBeanDefinition(flowBeanName))
  20                         throw new SlcException("A bean named " + flowBeanName
  21                                         + " is already defined.");
  22                 BeanDefinitionBuilder flow = BeanDefinitionBuilder
  23                                 .rootBeanDefinition(DefaultExecutionFlow.class);
  24                 ManagedList executables = new ManagedList(1);
  25                 executables.add(bean.getBeanDefinition());
  26                 flow.addPropertyValue("executables", executables);
  27                 ctx.getRegistry().registerBeanDefinition(flowBeanName,
  28                                 flow.getBeanDefinition());
  29                 return bean;
  30         }
  31
  32 }