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