Digister Rule set

<?xml version="1.0"?>

<digester-rules>
   <object-create-rule pattern="catalog" classname="Catalog" />
   <set-properties-rule pattern="catalog" >
      <alias attr-name="library" prop-name="library" />
   </set-properties-rule>

   <pattern value="catalog/book">
      <object-create-rule classname="Book" />
      <call-method-rule pattern="author" methodname="setAuthor"
	                paramcount="0" />
      <call-method-rule pattern="title" methodname="setTitle" 
	                paramcount="0" />
      <set-next-rule methodname="addBook" />
   </pattern>

   <pattern value="catalog/magazine">
      <object-create-rule classname="Magazine" />

      <call-method-rule pattern="name" methodname="setName" paramcount="0" />

      <pattern value="article">
         <object-create-rule classname="Article" />
         <set-properties-rule>
            <alias attr-name="page" prop-name="page" />
         </set-properties-rule>    
         <call-method-rule pattern="headline" methodname="setHeadline" 
		           paramcount="0" />
         <set-next-rule methodname="addArticle" />
      </pattern>

      <set-next-rule methodname="addMagazine" /> 
   </pattern>
</digester-rules>