package org.andromda.cartridges.spring.metafacades;
   
   import java.util.ArrayList;
   import java.util.Collection;
   import java.util.Iterator;
   import java.util.List;
   import org.andromda.cartridges.spring.SpringHibernateUtils;
   import org.andromda.metafacades.uml.DependencyFacade;
   import org.andromda.metafacades.uml.ModelElementFacade;
  import org.apache.commons.collections.CollectionUtils;
  import org.apache.commons.collections.Predicate;
  import org.apache.commons.lang.StringUtils;
  
  
  /**
   * MetafacadeLogic implementation for org.andromda.cartridges.spring.metafacades.SpringDependency.
   *
   * @see org.andromda.cartridges.spring.metafacades.SpringDependency
   */
  public class SpringDependencyLogicImpl
      extends SpringDependencyLogic
  {
      private static final long serialVersionUID = 34L;
      /**
       * Public constructor for SpringDependencyLogicImpl
       * @param metaObject
       * @param context
       * @see org.andromda.cartridges.spring.metafacades.SpringDependency
       */
      public SpringDependencyLogicImpl(
          Object metaObject,
          String context)
      {
          super(metaObject, context);
      }
  
      /**
       * @return SpringGlobals.TRANSFORMATION_CONSTANT_PREFIX + this.getName().toUpperCase()
       * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getTransformationConstantName()
       */
      protected String handleGetTransformationConstantName()
      {
          return SpringGlobals.TRANSFORMATION_CONSTANT_PREFIX + this.getName().toUpperCase();
      }
  
      /**
       * @return SpringGlobals.TRANSFORMATION_METHOD_PREFIX + StringUtils.capitalize(this.getName())
       * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getTransformationMethodName()
       */
      protected String handleGetTransformationMethodName()
      {
          return SpringGlobals.TRANSFORMATION_METHOD_PREFIX + StringUtils.capitalize(this.getName());
      }
  
      /**
       * The suffix for the transformation annonymous name.
       */
      private static final String TRANSFORMATION_ANONYMOUS_NAME_SUFFIX = "_TRANSFORMER";
  
      /**
       * @return getName().toUpperCase() + TRANSFORMATION_ANONYMOUS_NAME_SUFFIX
       * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getTransformationAnonymousName()
       */
      protected String handleGetTransformationAnonymousName()
      {
          return this.getName().toUpperCase() + TRANSFORMATION_ANONYMOUS_NAME_SUFFIX;
      }
  
      /**
       * @return dependency.getTargetElement().equals(sourceElement)
       * @see org.andromda.cartridges.spring.metafacades.SpringDependency#isCircularReference()
       */
      protected boolean handleIsCircularReference()
      {
          boolean circularReference = false;
          final ModelElementFacade sourceElement = this.getSourceElement();
          final ModelElementFacade targetElement = this.getTargetElement();
          final Collection<DependencyFacade> sourceDependencies = targetElement.getSourceDependencies();
          if (sourceDependencies != null && !sourceDependencies.isEmpty())
          {
              circularReference =
                  CollectionUtils.find(
                      sourceDependencies,
                      new Predicate()
                      {
                          public boolean evaluate(Object object)
                          {
                              DependencyFacade dependency = (DependencyFacade)object;
                              return dependency != null && dependency.getTargetElement().equals(sourceElement);
                          }
                      }) != null;
          }
          return circularReference;
      }
  
      private boolean isXmlPersistenceActive()
      {
          return SpringHibernateUtils.isXmlPersistenceActive(
              (String)this.getConfiguredProperty(SpringGlobals.HIBERNATE_VERSION),
             (String)this.getConfiguredProperty(SpringGlobals.HIBERNATE_XML_PERSISTENCE));
     }
 
     /**
      * @return incoming ValueObject references
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getTransformationConstantValue()
      */
     protected int handleGetTransformationConstantValue()
     {
         int value = 0;
         ModelElementFacade element = this.getSourceElement();
         if (element instanceof SpringEntity)
         {
             final List<SpringEntity> hierarchy = new ArrayList<SpringEntity>();
             for (SpringEntity entity = (SpringEntity)element; entity != null;
                 entity = (SpringEntity)entity.getGeneralization())
             {
                 hierarchy.add(entity);
             }
             boolean breakOut = false;
             for (int ctr = hierarchy.size() - 1; ctr >= 0; ctr--)
             {
                 final SpringEntity generalization = hierarchy.get(ctr);
                 //TODO Bug? generalization.getValueObjectReferences() can contain not only ClassifierFacades
                 for (final Iterator referenceIterator = generalization.getValueObjectReferences().iterator();
                     referenceIterator.hasNext();)
                 {
                     final Object reference = referenceIterator.next();
                     value++;
                     if (reference.equals(this))
                     {
                         breakOut = true;
                         break;
                     }
                 }
                 if (breakOut)
                 {
                     break;
                 }
             }
         }
 
         if (isXmlPersistenceActive())
         {
             value++;
         }
 
         return value;
     }
 
     /**
      * @return SpringGlobals.TRANSFORMATION_METHOD_PREFIX + getName() + SpringGlobals.TRANSFORMATION_TO_COLLECTION_METHOD_SUFFIX
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getTransformationToCollectionMethodName()
      */
     protected String handleGetTransformationToCollectionMethodName()
     {
         return SpringGlobals.TRANSFORMATION_METHOD_PREFIX + StringUtils.capitalize(this.getName()) +
         SpringGlobals.TRANSFORMATION_TO_COLLECTION_METHOD_SUFFIX;
     }
 
     /**
      * @return TRANSFORMATION_METHOD_PREFIX + capitalize(getName()) + TRANSFORMATION_TO_ARRAY_METHOD_SUFFIX
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getTransformationToArrayMethodName()
      */
     protected String handleGetTransformationToArrayMethodName()
     {
         return SpringGlobals.TRANSFORMATION_METHOD_PREFIX + StringUtils.capitalize(this.getName()) +
             SpringGlobals.TRANSFORMATION_TO_ARRAY_METHOD_SUFFIX;
     }
 
     /**
      * @return getDaoNamePattern().replaceAll("\\{0\\}", getName())
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getDaoName()
      */
     protected String handleGetDaoName()
     {
         return this.getDaoNamePattern().replaceAll(
             "\\{0\\}",
             this.getName());
     }
 
     /**
      * Gets the value of the {@link SpringGlobals#DAO_PATTERN}.
      *
      * @return the DAO name pattern.
      */
     private String getDaoNamePattern()
     {
         return String.valueOf(this.getConfiguredProperty(SpringGlobals.DAO_PATTERN));
     }
 
     /**
      * @return "get" + StringUtils.capitalize(this.getDaoName())
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getDaoGetterName()
      */
     protected String handleGetDaoGetterName()
     {
         return "get" + StringUtils.capitalize(this.getDaoName());
     }
 
     /**
      * @return "set" + StringUtils.capitalize(this.getDaoName())
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getDaoSetterName()
      */
     protected String handleGetDaoSetterName()
     {
         return "set" + StringUtils.capitalize(this.getDaoName());
     }
 
     /**
      * @return getTransformationToEntityMethodName() + TRANSFORMATION_TO_COLLECTION_METHOD_SUFFIX
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getTransformationToEntityCollectionMethodName()
      */
     protected String handleGetTransformationToEntityCollectionMethodName()
     {
         return this.getTransformationToEntityMethodName() + SpringGlobals.TRANSFORMATION_TO_COLLECTION_METHOD_SUFFIX;
     }
 
     /**
      * The suffix for the transformation to entity method name.
      */
     private static final String TRANSFORMATION_TO_ENTITY_METHOD_NAME_SUFFIX = "ToEntity";
 
     /**
      * @return getName() + TRANSFORMATION_TO_ENTITY_METHOD_NAME_SUFFIX
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getTransformationToEntityMethodName()
      */
     protected String handleGetTransformationToEntityMethodName()
     {
         return this.getName() + TRANSFORMATION_TO_ENTITY_METHOD_NAME_SUFFIX;
     }
 
     /**
      * The suffix for the value object to entity transformer. "Transformer"
      */
     private static final String VALUE_OBJECT_TO_ENTITY_TRANSFORMER_SUFFIX = "Transformer";
 
     /**
      * @return capitalize(this.getTransformationToEntityMethodName()) + VALUE_OBJECT_TO_ENTITY_TRANSFORMER_SUFFIX
      * @see org.andromda.cartridges.spring.metafacades.SpringDependency#getValueObjectToEntityTransformerName()
      */
     protected String handleGetValueObjectToEntityTransformerName()
     {
         return StringUtils.capitalize(this.getTransformationToEntityMethodName()) +
         VALUE_OBJECT_TO_ENTITY_TRANSFORMER_SUFFIX;
     }
 }