package org.andromda.cartridges.webservice.metafacades;
   
   import java.util.Collection;
   import org.andromda.cartridges.webservice.WebServiceGlobals;
   import org.andromda.core.metafacade.MetafacadeBase;
   import org.andromda.core.metafacade.ModelValidationMessage;
   import org.andromda.translation.ocl.validation.OCLIntrospector;
   import org.andromda.utils.StringUtilsHelper;
   import org.apache.commons.lang.StringUtils;
  
  /**
   * MetafacadeLogic implementation for org.andromda.cartridges.webservice.metafacades.WSDLTypeAttribute.
   *
   * @see org.andromda.cartridges.webservice.metafacades.WSDLTypeAttribute
   * @author Bob Fields
   */
  public class WSDLTypeAttributeLogicImpl
          extends WSDLTypeAttributeLogic
  {
      private static final long serialVersionUID = 34L;
      // ---------------- constructor -------------------------------
  
      /**
       * @param metaObject
       * @param context
       */
      public WSDLTypeAttributeLogicImpl(Object metaObject, String context)
      {
          super(metaObject, context);
      }
  
      /**
       * @return !this.isRequired()
       * @see org.andromda.cartridges.webservice.metafacades.WSDLTypeAttribute#isNillable()
       */
      protected boolean handleIsNillable()
      {
          return !this.isRequired();
      }
  
      /**
       * The property defining the web service XML Adapter for Jaxb for the @XmlAdapter annotation.
       */
      private static final String PROPERTY_XML_ADAPTER = "schemaValidation";
  
      /**
       * @see org.andromda.cartridges.webservice.metafacades.WSDLTypeAttributeLogic#handleGetXmlAdapter()
       */
      @Override
      protected String handleGetXmlAdapter()
      {
          String adapter = (String)this.findTaggedValue(WebServiceGlobals.XML_ADAPTER);
          if (StringUtils.isEmpty(adapter))
          {
              adapter = String.valueOf(this.getConfiguredProperty(PROPERTY_XML_ADAPTER));
          }
          return adapter;
      }
  
      /**
       * The property defining the web service XML Adapter for Jaxb.
       */
      private static final String PROPERTY_XML_TYPE = "schemaValidation";
  
      /**
       * @see org.andromda.cartridges.webservice.metafacades.WSDLTypeAttributeLogic#handleGetXmlSchemaType()
       */
      @Override
      protected String handleGetXmlSchemaType()
      {
          String mode = (String)this.findTaggedValue(WebServiceGlobals.XML_TYPE);
          if (StringUtils.isEmpty(mode))
          {
              mode = String.valueOf(this.getConfiguredProperty(PROPERTY_XML_TYPE));
          }
          if (StringUtils.isEmpty(mode))
          {
              //mode = "false";
          }
          return mode;
      }
  
      /**
       * The property defining the web service XML Adapter for Jaxb.
       */
      private static final String USE_ATTRIBUTES = "useAttributes";
  
      /**
       * @see org.andromda.cartridges.webservice.metafacades.WSDLTypeAttributeLogic#handleIsAttribute()
       */
      @Override
      protected boolean handleIsAttribute()
      {
          boolean isAttribute = this.hasStereotype(WebServiceGlobals.STEREOTYPE_XML_ATTRIBUTE);
          boolean isElement = this.hasStereotype(WebServiceGlobals.STEREOTYPE_XML_ELEMENT);
          if (isElement)
          {
              if (isAttribute)
              {
                 logger.error("Attribute has both XmlAttribute and XmlElement stereotypes, it cannot be both! " + this.getFullyQualifiedName());
                 // leave attribute = true anyway, because it has the stereotype
             }
             // else: Attribute = false because it is an element, not an attribute
         }
         else if (!isAttribute)
         {
             String attributes = String.valueOf(this.getConfiguredProperty(USE_ATTRIBUTES));
             if (StringUtils.isEmpty(attributes))
             {
                 attributes = "true";
             }
             isAttribute = Boolean.parseBoolean(attributes);
         }
         // else: Attribute = true because of stereotype
         return isAttribute;
     }
 
     /**
      * @see org.andromda.cartridges.webservice.metafacades.WSDLTypeAttributeLogic#handleIsElement()
      */
     @Override
     protected boolean handleIsElement()
     {
         boolean isAttribute = this.hasStereotype(WebServiceGlobals.STEREOTYPE_XML_ELEMENT);
         boolean isElement = this.hasStereotype(WebServiceGlobals.STEREOTYPE_XML_ELEMENT);
         if (isElement)
         {
             if (isAttribute)
             {
                 logger.error("Attribute has both XmlAttribute and XmlElement stereotypes, it cannot be both! " + this.getFullyQualifiedName());
                 // leave element = true anyway, because it has the stereotype
             }
             // else: Element = true because it is an element, not an attribute
         }
         else if (!isAttribute)
         {
             String attributes = String.valueOf(this.getConfiguredProperty(USE_ATTRIBUTES));
             if (StringUtils.isEmpty(attributes))
             {
                 attributes = "true";
             }
             // useAttributes = true by default
             isElement = !Boolean.parseBoolean(attributes);
         }
         // else: Attribute = true because of stereotype
         return isElement;
     }
 
     /**
      * <p><b>Constraint:</b> org::andromda::cartridges::webservice::metafacades::WSDLTypeAttribute::attribute must start with a lowercase letter</p>
      * <p><b>Error:</b> Attribute name must start with a lowercase letter.</p>
      * @param validationMessages Collection<ModelValidationMessage>
      * @see org.andromda.core.metafacade.MetafacadeBase#validateInvariants(Collection validationMessages)
      */
     @Override
     public void validateInvariants(Collection<ModelValidationMessage> validationMessages)
     {
         super.validateInvariants(validationMessages);
         try
         {
             final Object contextElement = this.THIS();
             final String name = (String)OCLIntrospector.invoke(contextElement,"name");
             final boolean isStatic = this.isStatic() && this.isLeaf();
             if (!isStatic && name != null && name.length()>0 && !StringUtilsHelper.startsWithLowercaseLetter(name))
             {
                 validationMessages.add(
                     new ModelValidationMessage(
                         (MetafacadeBase)contextElement ,
                         "org::andromda::cartridges::webservice::metafacades::WSDLTypeAttribute::attribute must start with a lowercase letter",
                         "Attribute name must start with a lowercase letter."));
             }
         }
         catch (Throwable th)
         {
             Throwable cause = th.getCause();
             int depth = 0; // Some throwables have infinite recursion
             while (cause != null && depth < 7)
             {
                 th = cause;
                 depth++;
             }
             logger.error("Error validating constraint 'org::andromda::cartridges::webservice::WSDLTypeAttribute::attribute must start with a lowercase letter' ON "
                 + this.THIS().toString() + ": " + th.getMessage(), th);
         }
     }
 }