Coverage Report - org.mule.config.spring.parsers.specific.ComponentDelegatingDefinitionParser
 
Classes in this File Line Coverage Branch Coverage Complexity
ComponentDelegatingDefinitionParser
0%
0/10
0%
0/2
0
ComponentDelegatingDefinitionParser$CheckExclusiveClassAttributeObjectFactory
0%
0/16
0%
0/10
0
ComponentDelegatingDefinitionParser$CheckExclusiveClassAttributeObjectFactoryException
0%
0/3
N/A
0
 
 1  
 /*
 2  
  * $Id: ComponentDelegatingDefinitionParser.java 19191 2010-08-25 21:05:23Z tcarlson $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.config.spring.parsers.specific;
 12  
 
 13  
 import org.mule.config.spring.parsers.AbstractMuleBeanDefinitionParser;
 14  
 import org.mule.config.spring.parsers.MuleDefinitionParser;
 15  
 import org.mule.config.spring.parsers.PreProcessor;
 16  
 import org.mule.config.spring.parsers.assembly.configuration.PropertyConfiguration;
 17  
 import org.mule.config.spring.parsers.delegate.AbstractParallelDelegatingDefinitionParser;
 18  
 import org.mule.config.spring.util.SpringXMLUtils;
 19  
 import org.mule.util.StringUtils;
 20  
 
 21  
 import org.springframework.beans.factory.xml.ParserContext;
 22  
 import org.w3c.dom.Attr;
 23  
 import org.w3c.dom.Element;
 24  
 import org.w3c.dom.NamedNodeMap;
 25  
 import org.w3c.dom.Node;
 26  
 
 27  
 /**
 28  
  * Allows for parsing either a shortcut component configuration by delegating to two
 29  
  * different component parses depending on the existence of the class attribute. If
 30  
  * the class attribute is used then an embedded object factory element cannot be
 31  
  * used.
 32  
  * 
 33  
  * <pre>
 34  
  * &lt;component class=&quot;&quot;&gt;
 35  
  * </pre>
 36  
  * 
 37  
  * or one with an embedded object factory element.
 38  
  * 
 39  
  * <pre>
 40  
  * &lt;component&gt;
 41  
  *     &lt;singleon-object class=&quot;..&quot;/&gt;
 42  
  * &lt;/component&gt;
 43  
  * </pre>
 44  
  */
 45  
 public class ComponentDelegatingDefinitionParser extends AbstractParallelDelegatingDefinitionParser
 46  
 {
 47  
 
 48  
     private MuleDefinitionParser normalConfig;
 49  
     private MuleDefinitionParser shortcutConfig;
 50  
 
 51  
     public ComponentDelegatingDefinitionParser(Class clazz)
 52  0
     {
 53  0
         normalConfig = new ComponentDefinitionParser(clazz);
 54  0
         shortcutConfig = new ShortcutComponentDefinitionParser(clazz);
 55  0
         addDelegate(normalConfig);
 56  0
         addDelegate(shortcutConfig);
 57  0
         registerPreProcessor(new CheckExclusiveClassAttributeObjectFactory());
 58  0
     }
 59  
 
 60  
     @Override
 61  
     protected MuleDefinitionParser getDelegate(Element element, ParserContext parserContext)
 62  
     {
 63  0
         if (StringUtils.isEmpty(element.getAttribute(AbstractMuleBeanDefinitionParser.ATTRIBUTE_CLASS)))
 64  
         {
 65  0
             return normalConfig;
 66  
         }
 67  
         else
 68  
         {
 69  0
             return shortcutConfig;
 70  
         }
 71  
     }
 72  
 
 73  
     /**
 74  
      * Given that the service object-factory is extensible and new object factory
 75  
      * types can be implemented and used by substitution, the only way of checking
 76  
      * for the existence of an object-factory if by object factory element
 77  
      * convention.<br>
 78  
      * This pre-processor checks for the existence of a <i>"class"</i> attribute on
 79  
      * the service, and throws an exception if the service has any elements that
 80  
      * match the object factory element convention (i.e. that end in "object"). NOTE:
 81  
      * We used to test by exclusion here allowing all other elements, but that no
 82  
      * longer works now extensible interceptors elements can be used.
 83  
      */
 84  0
     class CheckExclusiveClassAttributeObjectFactory implements PreProcessor
 85  
     {
 86  
 
 87  
         private static final String OBJECT_FACTORY_ELEMENT_CONVENTION_SUFFIX = "object";
 88  
 
 89  
         public void preProcess(PropertyConfiguration config, Element element)
 90  
         {
 91  0
             NamedNodeMap attributes = element.getAttributes();
 92  0
             for (int i = 0; i < attributes.getLength(); i++)
 93  
             {
 94  0
                 String alias = SpringXMLUtils.attributeName((Attr) attributes.item(i));
 95  0
                 if (alias.equals(AbstractMuleBeanDefinitionParser.ATTRIBUTE_CLASS))
 96  
                 {
 97  0
                     for (int j = 0; j < element.getChildNodes().getLength(); j++)
 98  
                     {
 99  0
                         Node child = element.getChildNodes().item(j);
 100  0
                         if (child instanceof Element
 101  
                             && child.getLocalName().endsWith(OBJECT_FACTORY_ELEMENT_CONVENTION_SUFFIX))
 102  
                         {
 103  0
                             StringBuffer message = new StringBuffer("The child element '");
 104  0
                             message.append(child.getLocalName());
 105  0
                             message.append("' cannot appear with the 'class' attribute");
 106  0
                             message.append(" in element ");
 107  0
                             message.append(SpringXMLUtils.elementToString(element));
 108  0
                             message.append(".");
 109  0
                             throw new CheckExclusiveClassAttributeObjectFactoryException(message.toString());
 110  
                         }
 111  
                     }
 112  
                 }
 113  
             }
 114  0
         }
 115  
     }
 116  
 
 117  
     class CheckExclusiveClassAttributeObjectFactoryException extends IllegalStateException
 118  
     {
 119  
         private static final long serialVersionUID = 4625276914151932111L;
 120  
 
 121  
         CheckExclusiveClassAttributeObjectFactoryException(String message)
 122  0
         {
 123  0
             super(message);
 124  0
         }
 125  
     }
 126  
 
 127  
 }