package org.andromda.cartridges.jsf2.metafacades;
   
   import java.util.ArrayList;
   import java.util.Collection;
   import java.util.Iterator;
   import java.util.LinkedHashMap;
   import java.util.LinkedHashSet;
   import java.util.List;
   import java.util.Map;
  import java.util.Set;
  import java.util.TreeMap;
  import org.andromda.cartridges.jsf2.JSFGlobals;
  import org.andromda.cartridges.jsf2.JSFProfile;
  import org.andromda.cartridges.jsf2.JSFUtils;
  import org.andromda.metafacades.uml.AssociationEndFacade;
  import org.andromda.metafacades.uml.AttributeFacade;
  import org.andromda.metafacades.uml.ClassifierFacade;
  import org.andromda.metafacades.uml.DependencyFacade;
  import org.andromda.metafacades.uml.FrontEndAction;
  import org.andromda.metafacades.uml.FrontEndActivityGraph;
  import org.andromda.metafacades.uml.FrontEndFinalState;
  import org.andromda.metafacades.uml.FrontEndForward;
  import org.andromda.metafacades.uml.FrontEndParameter;
  import org.andromda.metafacades.uml.FrontEndUseCase;
  import org.andromda.metafacades.uml.FrontEndView;
  import org.andromda.metafacades.uml.IncludeFacade;
  import org.andromda.metafacades.uml.ModelElementFacade;
  import org.andromda.metafacades.uml.Role;
  import org.andromda.metafacades.uml.UseCaseFacade;
  import org.andromda.utils.StringUtilsHelper;
  import org.apache.commons.collections.CollectionUtils;
  import org.apache.commons.collections.Predicate;
  import org.apache.commons.collections.Transformer;
  import org.apache.commons.lang.ObjectUtils;
  import org.apache.commons.lang.StringUtils;
  
  /**
   * MetafacadeLogic implementation for org.andromda.cartridges.jsf2.metafacades.JSFUseCase.
   *
   * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase
   */
  public class JSFUseCaseLogicImpl
      extends JSFUseCaseLogic
  {
      private static final long serialVersionUID = 34L;
      /**
       * @param metaObject
       * @param context
       */
      public JSFUseCaseLogicImpl(
          Object metaObject,
          String context)
      {
          super(metaObject, context);
      }
  
      /**
       * @return actionPath
       * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getPath()
       */
      protected String handleGetPath()
      {
          String actionPath = null;
          final FrontEndActivityGraph graph = this.getActivityGraph();
          if (graph != null)
          {
              final JSFAction action = (JSFAction)graph.getInitialAction();
              if (action != null)
              {
                  actionPath = action.getPath();
              }
          }
          return actionPath;
      }
  
      /**
       * @return pathRoot
       * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getPathRoot()
       */
      protected String handleGetPathRoot()
      {
          final StringBuilder pathRoot = new StringBuilder("/");
          final String packagePath = this.getPackagePath();
          final String prefix = packagePath != null ? packagePath.trim() : "";
          pathRoot.append(prefix);
          return pathRoot.toString();
      }
  
      /**
       * @return forwardName
       * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getPathRoot()
       */
      protected String handleGetForwardName()
      {
          return JSFUtils.toWebResourceName(this.getName()) + JSFGlobals.USECASE_FORWARD_NAME_SUFFIX;
      }
  
      /**
       * @return titleKey
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getTitleKey()
      */
     protected String handleGetTitleKey()
     {
         return StringUtilsHelper.toResourceMessageKey(
             this.isNormalizeMessages() ? this.getTitleValue() : this.getName()) + '.' +
             JSFGlobals.TITLE_MESSAGE_KEY_SUFFIX;
     }
 
     /**
      * @return toPhrase(getName())
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getTitleValue()
      */
     protected String handleGetTitleValue()
     {
         return StringUtilsHelper.toPhrase(getName());
     }
 
     /**
      * Indicates whether or not we should normalize messages.
      *
      * @return true/false
      */
     private boolean isNormalizeMessages()
     {
         final String normalizeMessages = (String)getConfiguredProperty(JSFGlobals.NORMALIZE_MESSAGES);
         return Boolean.valueOf(normalizeMessages).booleanValue();
     }
 
     /**
      * @return allMessages
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getAllMessages()
      */
     protected Map handleGetAllMessages()
     {
         final boolean normalize = this.isNormalizeMessages();
         final Map<String, String> messages = normalize ?
             new TreeMap<String, String>() : new LinkedHashMap<String, String>();
 
         // - only retrieve the messages for the entry use case (i.e. the use case
         //   where the application begins)
         if (this.isEntryUseCase())
         {
             final List<FrontEndUseCase> useCases = this.getAllUseCases();
             for (int ctr = 0; ctr < useCases.size(); ctr++)
             {
                 // - usecase
                 final JSFUseCase useCase = (JSFUseCase)useCases.get(ctr);
                 messages.put(
                     useCase.getTitleKey(),
                     useCase.getTitleValue());
 
                 final List<FrontEndView> views = useCase.getViews();
                 for (int ctr2 = 0; ctr2 < views.size(); ctr2++)
                 {
                     // - view
                     final JSFView view = (JSFView)views.get(ctr2);
                     messages.put(
                         view.getTitleKey(),
                         view.getTitleValue());
                     messages.put(
                         view.getMessageKey(),
                         view.getMessageValue());
                     messages.put(
                         view.getDocumentationKey(),
                         view.getDocumentationValue());
 
                     final List<FrontEndParameter> viewVariables = view.getVariables();
                     for (int ctr3 = 0; ctr3 < viewVariables.size(); ctr3++)
                     {
                         // - page variables
                         final Object object = viewVariables.get(ctr3);
                         if (object instanceof JSFParameter)
                         {
                             final JSFParameter parameter = (JSFParameter)object;
 
                             final Collection<ClassifierFacade> resolvingTypes = new ArrayList<ClassifierFacade>();
                             this.collectAttributeMessages(messages, parameter.getAttributes(), resolvingTypes);
                             this.collectAssociationEndMessages(messages,
                                 parameter.getNavigableAssociationEnds(), resolvingTypes);
                             messages.put(
                                 parameter.getMessageKey(),
                                 parameter.getMessageValue());
 
                             // - table
                             if (parameter.isTable())
                             {
                                 for (String columnName : parameter.getTableColumnNames())
                                 {
                                      messages.put(
                                         parameter.getTableColumnMessageKey(columnName),
                                         parameter.getTableColumnMessageValue(columnName));
                                 }
                             }
                         }
                     }
 
                     final List<FrontEndAction> actions = useCase.getActions();
                     for (int ctr3 = 0; ctr3 < actions.size(); ctr3++)
                     {
                         // - action
                         final JSFAction action = (JSFAction)actions.get(ctr3);
 
                         // - event/trigger
                         final Object trigger = action.getTrigger();
                         if (trigger != null && trigger instanceof JSFEvent)
                         {
                             final JSFEvent event = (JSFEvent)trigger;
                             // only add these when a trigger is present, otherwise it's no use having them
                             messages.put(
                                 action.getDocumentationKey(),
                                 action.getDocumentationValue());
 
                             // the regular trigger messages
                             messages.put(
                                 event.getResetMessageKey(),
                                 event.getResetMessageValue());
 
                             // this one is the same as doing: action.getMessageKey()
                             messages.put(
                                 event.getMessageKey(),
                                 event.getMessageValue());
 
                             // - IMAGE LINK
 
                             /*if (action.isImageLink())
                             {
                                 messages.put(
                                     action.getImageMessageKey(),
                                     action.getImagePath());
                             }*/
                         }
 
                         // - forwards
                         for (final FrontEndForward forward : action.getTransitions())
                         {
                             if (forward instanceof JSFForward)
                             {
                                 final JSFForward forwardTransition = (JSFForward)forward;
                                 messages.putAll(forwardTransition.getSuccessMessages());
                                 messages.putAll(forwardTransition.getWarningMessages());
                             }
                             else
                             {
                                 final JSFAction actionTransition = (JSFAction)forward;
                                 messages.putAll(actionTransition.getSuccessMessages());
                                 messages.putAll(actionTransition.getWarningMessages());
                             }
 
                         }
 
                         // - action parameters
                         final List<FrontEndParameter> parameters = action.getParameters();
                         for (int l = 0; l < parameters.size(); l++)
                         {
                             final Object object = parameters.get(l);
                             if (object instanceof JSFParameter)
                             {
                                 final JSFParameter parameter = (JSFParameter)object;
                                 final Collection attributes = parameter.getAttributes();
                                 if (!attributes.isEmpty())
                                 {
                                     for (final Iterator iterator = attributes.iterator(); iterator.hasNext();)
                                     {
                                         final JSFAttribute attribute = (JSFAttribute)iterator.next();
                                         messages.put(
                                             attribute.getMessageKey(),
                                             attribute.getMessageValue());
                                     }
                                 }
                                 final Collection associationEnds = parameter.getNavigableAssociationEnds();
                                 if (!associationEnds.isEmpty())
                                 {
                                     for (final Iterator iterator = associationEnds.iterator(); iterator.hasNext();)
                                     {
                                         final AssociationEndFacade end = (AssociationEndFacade)iterator.next();
                                         final ClassifierFacade type = end.getType();
                                         if (type != null)
                                         {
                                             final Collection<AttributeFacade> typeAttributes = type.getAttributes();
                                             if (!attributes.isEmpty())
                                             {
                                                 for (final Iterator<AttributeFacade> attributeIterator
                                                     = typeAttributes.iterator(); attributeIterator.hasNext(); )
                                                 {
                                                     final JSFAttribute attribute = (JSFAttribute)attributeIterator.next();
                                                     messages.put(
                                                         attribute.getMessageKey(),
                                                         attribute.getMessageValue());
                                                 }
                                             }
                                         }
                                     }
                                 }
                                 messages.put(
                                     parameter.getMessageKey(),
                                     parameter.getMessageValue());
                                 messages.put(
                                     parameter.getDocumentationKey(),
                                     parameter.getDocumentationValue());
 
                                 // - submittable input table
                                 if (parameter.isInputTable())
                                 {
                                     final Collection<String> columnNames = parameter.getTableColumnNames();
                                     for (final Iterator<String> columnNameIterator = columnNames.iterator();
                                         columnNameIterator.hasNext();)
                                     {
                                         final String columnName = columnNameIterator.next();
                                         messages.put(
                                             parameter.getTableColumnMessageKey(columnName),
                                             parameter.getTableColumnMessageValue(columnName));
                                     }
                                 }
                                 /*if (parameter.getValidWhen() != null)
                                 {
                                     // this key needs to be fully qualified since the valid when value can be different
                                     final String completeKeyPrefix =
                                         (normalize)
                                         ? useCase.getTitleKey() + '.' + view.getMessageKey() + '.' +
                                         action.getMessageKey() + '.' + parameter.getMessageKey() : parameter.getMessageKey();
                                     messages.put(
                                         completeKeyPrefix + "_validwhen",
                                         "{0} is only valid when " + parameter.getValidWhen());
                                 }*/
                                 /*if (parameter.getOptionCount() > 0)
                                 {
                                     final List optionKeys = parameter.getOptionKeys();
                                     final List optionValues = parameter.getOptionValues();
 
                                     for (int m = 0; m < optionKeys.size(); m++)
                                     {
                                         messages.put(
                                             optionKeys.get(m),
                                             optionValues.get(m));
                                         messages.put(
                                             optionKeys.get(m) + ".title",
                                             optionValues.get(m));
                                     }
                                 }*/
                             }
                         }
 
                         // - portlet preferences
                         final JSFPortletPreferences preferences = useCase.getPreferences();
                         if (preferences != null)
                         {
                             final Collection<AttributeFacade> attributes = preferences.getAttributes(true);
                             if (!attributes.isEmpty())
                             {
                                 for (final Iterator iterator = attributes.iterator(); iterator.hasNext();)
                                 {
                                     final JSFAttribute attribute = (JSFAttribute)iterator.next();
                                     messages.put(
                                         attribute.getMessageKey(),
                                         attribute.getMessageValue());
                                 }
                             }
                         }
 
                         // - exception forwards
 
                         /*
                         final List exceptions = action.getActionExceptions();
 
                         if (normalize)
                         {
                             if (exceptions.isEmpty())
                             {
                                 messages.put("exception.occurred", "{0}");
                             }
                             else
                             {
                                 for (int l = 0; l < exceptions.size(); l++)
                                 {
                                     final FrontEndExceptionHandler exception =
                                         (FrontEndExceptionHandler)exceptions.get(l);
                                     messages.put(action.getMessageKey() + '.' + exception.getExceptionKey(), "{0}");
                                 }
                             }
                         }
                         else
                         {
                             if (exceptions.isEmpty())
                             {
                                 if (!action.isUseCaseStart())
                                 {
                                     messages.put(action.getMessageKey() + ".exception", "{0} (java.lang.Exception)");
                                 }
                             }
                             else
                             {
                                 for (int l = 0; l < exceptions.size(); l++)
                                 {
                                     final FrontEndExceptionHandler exception =
                                         (FrontEndExceptionHandler)exceptions.get(l);
 
                                     // we construct the key using the action message too because the exception can
                                     // belong to more than one action (therefore it cannot return the correct value
                                     // in .getExceptionKey())
                                     messages.put(
                                         action.getMessageKey() + '.' + exception.getExceptionKey(),
                                         "{0} (" + exception.getExceptionType() + ")");
                                 }
                             }
                         }*/
                     }
                 }
             }
         }
         return messages;
     }
 
     /**
      * Collects all attribute messages into the given Map.
      *
      * @param messages the Map in which messages are collected.
      * @param attributes the attributes to collect the messages from.
      * @param resolvingTypes used to prevent endless recursion.
      */
     private void collectAttributeMessages(Map<String,String> messages, Collection attributes,
         final Collection<ClassifierFacade> resolvingTypes)
     {
         if (attributes != null && !attributes.isEmpty())
         {
             for (final Iterator iterator = attributes.iterator(); iterator.hasNext(); )
             {
                 final JSFAttribute attribute = (JSFAttribute)iterator.next();
                 messages.put(
                     attribute.getMessageKey(),
                     attribute.getMessageValue());
                 // - lets go another level for nested attributes
                 this.collectTypeMessages(messages, attribute.getType(), resolvingTypes);
             }
         }
     }
 
     /**
      * Collects all association end messages into the given Map.
      *
      * @param messages the Map in which messages are collected.
      * @param associationEnds the association ends to collect the messages from.
      * @param resolvingTypes used to prevent endless recursion.
      */
     private void collectAssociationEndMessages(Map<String,String> messages, Collection associationEnds,
         final Collection<ClassifierFacade> resolvingTypes)
     {
         if (associationEnds != null && !associationEnds.isEmpty())
         {
             for (final Iterator iterator = associationEnds.iterator(); iterator.hasNext();)
             {
                 final AssociationEndFacade end = (AssociationEndFacade)iterator.next();
                 this.collectTypeMessages(messages, end.getType(), resolvingTypes);
             }
         }
     }
 
     private void collectTypeMessages(Map<String,String> messages, ClassifierFacade type,
          final Collection<ClassifierFacade> resolvingTypes)
     {
         if (type != null)
         {
             if (!resolvingTypes.contains(type))
             {
                 resolvingTypes.add(type);
                 if (type.isArrayType())
                 {
                     type = type.getNonArray();
                 }
                 //check again, since the type can be changed
                 if (!resolvingTypes.contains(type))
                 {
                     this.collectAttributeMessages(messages, type.getAttributes(), resolvingTypes);
                     this.collectAssociationEndMessages(messages, type.getNavigableConnectingEnds(), resolvingTypes);
                 }
             }
             resolvingTypes.remove(type);
         }
     }
 
     /**
      * @return actionForwards
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getActionForwards()
      */
     protected List<JSFAction> handleGetActionForwards()
     {
         final Set<JSFAction> actionForwards = new LinkedHashSet<JSFAction>();
         for (final FrontEndView view : this.getViews())
         {
             actionForwards.addAll(((JSFView)view).getActionForwards());
         }
         return new ArrayList<JSFAction>(actionForwards);
     }
 
     /**
      * @return forwards
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getForwards()
      */
     protected List<JSFForward> handleGetForwards()
     {
         final Map<String, JSFForward> forwards = new LinkedHashMap<String, JSFForward>();
         for (final FrontEndAction action : this.getActions())
         {
             for (final FrontEndForward forward : action.getActionForwards())
             {
                 if (forward instanceof JSFForward)
                 {
                     forwards.put(forward.getName(), (JSFForward) forward);
                 }
             }
         }
         return new ArrayList(forwards.values());
     }
 
     /**
      * @return allForwards
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getAllForwards()
      */
     @SuppressWarnings("unchecked")
     protected List<ModelElementFacade> handleGetAllForwards()
     {
         final Map<String, ModelElementFacade> forwards = new LinkedHashMap<String, ModelElementFacade>();
         for (final JSFAction forward : this.getActionForwards())
         {
             forwards.put(forward.getName(), forward);
         }
         for (final JSFForward forward : this.getForwards())
         {
             forwards.put(forward.getName(), forward);
         }
         return new ArrayList<ModelElementFacade>(forwards.values());
     }
 
     /**
      * @return upperCamelCaseName(this.getName())
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getActionClassName()
      */
     protected String handleGetActionClassName()
     {
         return StringUtilsHelper.upperCamelCaseName(this.getName());
     }
 
     /**
      * @return getFullyQualifiedActionClassName().replace('.', '/') + ".java"
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getFullyQualifiedActionClassPath()
      */
     protected String handleGetFullyQualifiedActionClassPath()
     {
         return this.getFullyQualifiedActionClassName().replace(
             '.',
             '/') + ".java";
     }
 
     /**
      * @return lowerCamelCaseName(this.getName())
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getControllerAction()
      */
     protected String handleGetControllerAction()
     {
         return StringUtilsHelper.lowerCamelCaseName(this.getName());
     }
 
     /**
      * @return fullyQualifiedActionClassName
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getFullyQualifiedActionClassName()
      */
     protected String handleGetFullyQualifiedActionClassName()
     {
         final StringBuilder path = new StringBuilder();
         final String packageName = this.getPackageName();
         if (StringUtils.isNotBlank(packageName))
         {
             path.append(packageName);
             path.append('.');
         }
         path.append(this.getActionClassName());
         return path.toString();
     }
 
     /**
      * @return formKeyValue
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getFormKey()
      */
     protected String handleGetFormKey()
     {
         final Object formKeyValue = this.findTaggedValue(JSFProfile.TAGGEDVALUE_ACTION_FORM_KEY);
         return formKeyValue == null ? ObjectUtils.toString(this.getConfiguredProperty(JSFGlobals.ACTION_FORM_KEY))
                                     : String.valueOf(formKeyValue);
     }
 
     /**
      * @return initialTargetPath
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getInitialTargetPath()
      */
     protected String handleGetInitialTargetPath()
     {
         String path = null;
         final Object target = this.getInitialTarget();
         if (target instanceof JSFView)
         {
             path = ((JSFView)target).getPath();
         }
         else if (target instanceof JSFUseCase)
         {
             path = ((JSFUseCase)target).getPath();
         }
         return path;
     }
 
     /**
      * Gets the initial target when this use case is entered.
      *
      * @return the initial target.
      */
     private Object getInitialTarget()
     {
         Object initialTarget = null;
         final FrontEndActivityGraph graph = this.getActivityGraph();
         final FrontEndAction action = graph != null ? this.getActivityGraph().getInitialAction() : null;
         final Collection<FrontEndForward> forwards = action != null ? action.getActionForwards() : null;
         if (forwards != null && !forwards.isEmpty())
         {
             final Object target = forwards.iterator().next().getTarget();
             if (target instanceof FrontEndView)
             {
                 initialTarget = target;
             }
             else if (target instanceof FrontEndFinalState)
             {
                 final FrontEndFinalState finalState = (FrontEndFinalState)target;
                 final FrontEndUseCase targetUseCase = finalState.getTargetUseCase();
                 if (targetUseCase != null && !targetUseCase.equals(this.THIS()))
                 {
                     initialTarget = targetUseCase;
                 }
             }
         }
         return initialTarget;
     }
 
     /**
      * @return required
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#isValidationRequired()
      */
     protected boolean handleIsValidationRequired()
     {
         boolean required = false;
         for (final FrontEndView feView : this.getViews())
         {
             final JSFView view = (JSFView)feView;
             if (view.isValidationRequired())
             {
                 required = true;
                 break;
             }
         }
         return required;
     }
 
     /**
      * @return getInitialTarget() instanceof JSFView
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#isInitialTargetView()
      */
     protected boolean handleIsInitialTargetView()
     {
         return this.getInitialTarget() instanceof JSFView;
     }
 
     /**
      * @return required
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#isInitialTargetView()
      */
     protected boolean handleIsApplicationValidationRequired()
     {
         boolean required = false;
         for (final FrontEndUseCase feUseCase : this.getAllUseCases())
         {
             final JSFUseCase useCase = (JSFUseCase)feUseCase;
             if (useCase.isValidationRequired())
             {
                 required = true;
                 break;
             }
         }
         return required;
     }
 
     /**
      * @return sameName
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#isViewHasNameOfUseCase()
      */
     protected boolean handleIsViewHasNameOfUseCase()
     {
         boolean sameName = false;
         for (final FrontEndView view : this.getViews())
         {
             sameName = ((JSFView)view).isHasNameOfUseCase();
             if (sameName)
             {
                 break;
             }
         }
         return sameName;
     }
 
     /**
      * @return hasStereotype(JSFProfile.STEREOTYPE_FRONT_END_REGISTRATION)
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#isRegistrationUseCase()
      */
     protected boolean handleIsRegistrationUseCase()
     {
         return this.hasStereotype(JSFProfile.STEREOTYPE_FRONT_END_REGISTRATION);
     }
 
     /**
      * @return useCases
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getRegistrationUseCases()
      */
     @SuppressWarnings("unchecked")
     protected List<FrontEndUseCase> handleGetRegistrationUseCases()
     {
         final List<FrontEndUseCase> useCases = new ArrayList<FrontEndUseCase>(this.getAllUseCases());
         for (final Iterator<FrontEndUseCase> iterator = useCases.iterator(); iterator.hasNext();)
         {
             final FrontEndUseCase useCase = iterator.next();
             if (useCase instanceof JSFUseCase)
             {
                 if (!((JSFUseCase)useCase).isRegistrationUseCase())
                 {
                     iterator.remove();
                 }
             }
             else
             {
                 iterator.remove();
             }
         }
         return useCases;
     }
 
     /**
      * The suffix for the forwards class name.
      */
     private static final String FORWARDS_CLASS_NAME_SUFFIX = "Forwards";
 
     /**
      * @return getName() + FORWARDS_CLASS_NAME_SUFFIX
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getForwardsClassName()
      */
     protected String handleGetForwardsClassName()
     {
         return StringUtilsHelper.upperCamelCaseName(this.getName()) + FORWARDS_CLASS_NAME_SUFFIX;
     }
 
     /**
      * @return navigationRules
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getNavigationRules()
      */
     @SuppressWarnings("unchecked")
     protected Collection<Object> handleGetNavigationRules()
     {
         final Map<String, Object> rules = new LinkedHashMap<String, Object>();
         for (final FrontEndView feView : this.getViews())
         {
             final JSFView view = (JSFView)feView;
             rules.put(view.getFromOutcome(), view);
             for (final Iterator forwardIterator = view.getForwards().iterator(); forwardIterator.hasNext();)
             {
                 final Object forward = forwardIterator.next();
                 String name;
                 if (forward instanceof JSFForward)
                 {
                     name = ((JSFForward)forward).getFromOutcome();
                 }
                 else
                 {
                     name = ((JSFAction)forward).getFromOutcome();
                 }
                 rules.put(name, forward);
             }
         }
         return rules.values();
     }
 
     /**
      * @return navigationChildren
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getNavigationChildren()
      */
     protected Collection<UseCaseFacade> handleGetNavigationChildren()
     {
         return CollectionUtils.collect(getIncludes(), new Transformer()
         {
             public Object transform(Object object)
             {
                 final IncludeFacade include = (IncludeFacade)object;
                 return include.getAddition();
             }
         });
     }
 
     private static boolean isParent(final JSFUseCase useCase1, final JSFUseCase useCase2)
     {
         return CollectionUtils.exists(useCase2.getIncludes(), new Predicate()
         {
             public boolean evaluate(Object object)
             {
                 final IncludeFacade include = (IncludeFacade)object;
                 return include.getAddition().equals(useCase1);
             }
         });
     }
 
     /**
      * @return navigationParents
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getNavigationParents()
      */
     protected Collection<FrontEndUseCase> handleGetNavigationParents()
     {
         final JSFUseCase theUseCase = this;
         return CollectionUtils.select(getAllUseCases(),new Predicate() {
             @SuppressWarnings("synthetic-access")
             public boolean evaluate(Object o)
             {
                 final JSFUseCase useCase = (JSFUseCase)o;
                 if (theUseCase.equals(useCase))
                 {
                     return false;
                 }
                 return isParent(theUseCase, useCase);
             }
         });
     }
 
     /**
      * @return actionRoles
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCase#getActionRoles()
      */
     protected String handleGetActionRoles()
     {
         final StringBuilder rolesBuffer = new StringBuilder();
         boolean first = true;
         for (final Role role : this.getRoles())
         {
             if (first)
             {
                 first = false;
             }
             else
             {
                 rolesBuffer.append(',');
             }
             rolesBuffer.append(role.getName());
         }
         return rolesBuffer.toString();
     }
 
     /**
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCaseLogic#handleGetPreferences()
      */
     @Override
     protected Object handleGetPreferences()
     {
         JSFPortletPreferences preferences = null;
         final Collection<DependencyFacade> dependencies = this.getSourceDependencies();
         if (dependencies != null && !dependencies.isEmpty())
         {
             for (final DependencyFacade dependency : dependencies)
             {
                 final Object target = dependency.getTargetElement();
                 if (dependency.getTargetElement() instanceof JSFPortletPreferences)
                 {
                     preferences = (JSFPortletPreferences)target;
                     break;
                 }
             }
         }
         return preferences;
     }
 
     /**
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCaseLogic#handleGetPortletEditForwardName()
      */
     @Override
     protected String handleGetPortletEditForwardName()
     {
         return this.getWebResourceName() + "-portlet-edit";
     }
 
     /**
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCaseLogic#handleGetPortletEditPath()
      */
     @Override
     protected String handleGetPortletEditPath()
     {
         return this.getPathRoot() + "/" + this.getPortletEditForwardName();
     }
 
     /**
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCaseLogic#handleGetPortletHelpForwardName()
      */
     @Override
     protected String handleGetPortletHelpForwardName()
     {
         return this.getWebResourceName() + "-portlet-help";
     }
 
     /**
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCaseLogic#handleGetPortletHelpPath()
      */
     @Override
     protected String handleGetPortletHelpPath()
     {
         return this.getPathRoot() + "/" + this.getPortletHelpForwardName();
     }
 
     /**
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCaseLogic#handleGetPortletViewForwardName()
      */
     @Override
     protected String handleGetPortletViewForwardName()
     {
         return this.getWebResourceName() + "-portlet-view";
     }
 
     private String getWebResourceName()
     {
         return JSFUtils.toWebResourceName(this.getName());
     }
 
     /**
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCaseLogic#handleGetPortletViewPath()
      */
     @Override
     protected String handleGetPortletViewPath()
     {
         return this.getPath();
     }
 
     /**
      * @see org.andromda.cartridges.jsf2.metafacades.JSFUseCaseLogic#handleGetAllViews()
      */
     @SuppressWarnings("unchecked")
     @Override
     protected Collection<FrontEndView> handleGetAllViews()
     {
         final Set<FrontEndView> allViews = new LinkedHashSet<FrontEndView>();
         for (final FrontEndUseCase useCase : this.getAllUseCases())
         {
             allViews.addAll(useCase.getViews());
         }
         return allViews;
     }
 }