Examples of org.apache.tuscany.sca.implementation.spring.SpringSCAReferenceElement

Package org.apache.tuscany.sca.implementation.spring

Examples of org.apache.tuscany.sca.implementation.spring.SpringSCAReferenceElement

org.apache.tuscany.sca.implementation.spring.SpringSCAReferenceElement
Represents a element in a Spring application-context - this has id and className attributes - plus zero or more property elements as children @version $Rev: 988747 $ $Date: 2010-08-24 15:34:52 -0700 (Tue, 24 Aug 2010) $

                            SpringSCAServiceElement service =
                                new SpringSCAServiceElement(reader.getAttributeValue(null, "name"), reader
                                    .getAttributeValue(null, "type"), reader.getAttributeValue(null, "target"));
                            services.add(service);
                        } else if (SpringImplementationConstants.REFERENCE_ELEMENT.equals(qname)) {
                            SpringSCAReferenceElement reference =
                                new SpringSCAReferenceElement(reader.getAttributeValue(null, "name"), reader
                                    .getAttributeValue(null, "type"));
                            references.add(reference);
                        } else if (SpringImplementationConstants.SCAPROPERTY_ELEMENT.equals(qname)) {
                            SpringSCAPropertyElement scaproperty =
                                new SpringSCAPropertyElement(reader.getAttributeValue(null, "name"), reader

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            } // end while


            // Next handle the references
            Iterator<SpringSCAReferenceElement> itr = references.iterator();
            while (itr.hasNext()) {
                SpringSCAReferenceElement referenceElement = itr.next();
                Class<?> interfaze = resolveClass(resolver, referenceElement.getType());
                Reference theReference = createReference(interfaze, referenceElement.getName());                
                // Override the older bean definition with the latest ones.
                Reference duplicate = null;
                for (Reference reference : componentType.getReferences()) {
                  if (reference.getName().equals(theReference.getName()))
                    duplicate = reference;

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            } // end while
            // Scan over the SCA reference elements looking for a match
            if (unresolved) {
                Iterator<SpringSCAReferenceElement> itr = references.iterator();
                while (itr.hasNext()) {
                    SpringSCAReferenceElement referenceElement = itr.next();
                    if (ref.equals(referenceElement.getName())) {
                        unresolved = false;
                        break;
                    } // end if
                } // end while
            } // end if

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                          // element MUST be unique amongst the @name attributes of the <sca:reference/> subelements, 
                          // of the <beans/> element.
                          if (!references.isEmpty() && (references.contains(reader.getAttributeValue(null, "name"))))
                                error("ScaReferenceNameNotUnique", resolver);
                          
                          SpringSCAReferenceElement reference =
                                new SpringSCAReferenceElement(reader.getAttributeValue(null, "name"), 
                                                reader.getAttributeValue(null, "type"));
                            if (reader.getAttributeValue(null, "default") != null)
                              reference.setDefaultBean(reader.getAttributeValue(null, "default"));
                            policyProcessor.readPolicies(reference, reader);
                            references.add(reference);                            
                        } else if (SpringImplementationConstants.SCA_PROPERTY_ELEMENT.equals(qname)) {
                          // The value of the @name attribute of an <sca:property/> subelement of a <beans/> 
                          // element MUST be unique amongst the @name attributes of the <sca:property/> subelements,

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            } // end while


            // Next handle the references
            Iterator<SpringSCAReferenceElement> itr = references.iterator();
            while (itr.hasNext()) {
                SpringSCAReferenceElement referenceElement = itr.next();
                Class<?> interfaze = resolveClass(resolver, referenceElement.getType(), context);
                Reference theReference = createReference(interfaze, referenceElement.getName());
                // Override the older bean definition with the latest ones
                // for the duplicate definitions found.
                Reference duplicate = null;
                for (Reference reference : componentType.getReferences()) {
                  if (reference.getName().equals(theReference.getName()))
                    duplicate = reference;
                }
                if (duplicate != null)
                  componentType.getReferences().remove(duplicate);
                
                // add the required intents and policySets for this reference
                theReference.getRequiredIntents().addAll(referenceElement.getRequiredIntents());
                theReference.getPolicySets().addAll(referenceElement.getPolicySets());
                componentType.getReferences().add(theReference);
            } // end while


            // Next handle the properties
            Iterator<SpringSCAPropertyElement> itsp = scaproperties.iterator();

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            } // end while
            // Scan over the SCA reference elements looking for a match
            if (unresolved) {
                Iterator<SpringSCAReferenceElement> itr = references.iterator();
                while (itr.hasNext()) {
                    SpringSCAReferenceElement referenceElement = itr.next();
                    if (ref.equals(referenceElement.getName())) {
                        unresolved = false;
                        break;
                    } // end if
                } // end while
            } // end if

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        // The @default attribute of a <sca:reference/> subelement of a <beans/>  
        // element MUST have the value of the @name attribute of one of the <bean/> 
        // subelements of the <beans/> element.
        Iterator<SpringSCAReferenceElement> itr = references.iterator();
        while (itr.hasNext()) {
          SpringSCAReferenceElement referenceElement = itr.next();
          boolean defaultBeanExists = true;
          boolean isUniqueReferenceName = true;
          Iterator<SpringBeanElement> itb = beans.iterator();
          while (itb.hasNext()) {
            SpringBeanElement beanElement = itb.next();
            if (referenceElement.getDefaultBean() != null)
              if (referenceElement.getDefaultBean().equals(beanElement.getId()))
                defaultBeanExists = false;
            if (referenceElement.getName().equals(beanElement.getId()))
              isUniqueReferenceName = false;
          }
          Iterator<SpringSCAPropertyElement> itp = scaproperties.iterator();
          while (itp.hasNext()) {
            SpringSCAPropertyElement propertyElement = itp.next();
            if (referenceElement.getName().equals(propertyElement.getName()))
              isUniqueReferenceName = false;
          }
          if (!defaultBeanExists)
            error("DefaultBeanDoesNotExist", beans);
          if (!isUniqueReferenceName)
            error("ScaReferenceNameNotUnique", beans);
        } // end while
              
      // The value of the @name attribute of an <sca:property/> subelement of a <beans/> 
      // element MUST be unique amongst the @name attributes of the <sca:reference/> 
        // subelements and the <bean/> subelements of the <beans/> element.      
        Iterator<SpringSCAPropertyElement> itp = scaproperties.iterator();
        while (itp.hasNext()) {
          SpringSCAPropertyElement propertyElement = itp.next();
          boolean isUniquePropertyName = true;
          Iterator<SpringBeanElement> itb = beans.iterator();
          while (itb.hasNext()) {
            SpringBeanElement beanElement = itb.next();
            if (propertyElement.getName().equals(beanElement.getId()))
              isUniquePropertyName = false;  
          }
          Iterator<SpringSCAReferenceElement> itrp = references.iterator();
            while (itrp.hasNext()) {
              SpringSCAReferenceElement referenceElement = itrp.next();
              if (propertyElement.getName().equals(referenceElement.getName()))
              isUniquePropertyName = false;
            }
          if (!isUniquePropertyName)
            error("ScaPropertyNameNotUnique", beans);
        } // end while

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    public BeanDefinition parse(Element element, ParserContext parserContext) {
        BeanDefinitionRegistry registry = parserContext.getRegistry();
        if (registry instanceof SCAGenericApplicationContext) {
            SCAGenericApplicationContext context = (SCAGenericApplicationContext)registry;
            SpringSCAReferenceElement referenceElement =
                new SpringSCAReferenceElement(getAttribute(element, "name"), getAttribute(element, "type"));
            referenceElement.setDefaultBean(getAttribute(element, "default"));


            String requires = getAttribute(element, "requires");
            if (requires != null) {
                List<QName> qnames = ScaNamespaceHandler.resolve(element, requires);
                referenceElement.getIntentNames().addAll(qnames);
            }


            String policySets = getAttribute(element, "policySets");
            if (policySets != null) {
                List<QName> qnames = ScaNamespaceHandler.resolve(element, policySets);
                referenceElement.getPolicySetNames().addAll(qnames);
            }


            context.addSCAReferenceElement(referenceElement);
        }

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            } // end while


            // Next handle the references
            Iterator<SpringSCAReferenceElement> itr = references.iterator();
            while (itr.hasNext()) {
                SpringSCAReferenceElement referenceElement = itr.next();
                Class<?> interfaze = resolveClass(resolver, referenceElement.getType(), context);
                Reference theReference = createReference(interfaze, referenceElement.getName());
                // Override the older bean definition with the latest ones
                // for the duplicate definitions found.
                Reference duplicate = null;
                for (Reference reference : componentType.getReferences()) {
                    if (reference.getName().equals(theReference.getName()))
                        duplicate = reference;
                }
                if (duplicate != null)
                    componentType.getReferences().remove(duplicate);


                // add the required intents and policySets for this reference
                theReference.getRequiredIntents().addAll(referenceElement.getRequiredIntents());
                theReference.getPolicySets().addAll(referenceElement.getPolicySets());
                componentType.getReferences().add(theReference);
            } // end while


            // Next handle the properties
            Iterator<SpringSCAPropertyElement> itsp = scaproperties.iterator();

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            } // end while
              // Scan over the SCA reference elements looking for a match
            if (unresolved) {
                Iterator<SpringSCAReferenceElement> itr = references.iterator();
                while (itr.hasNext()) {
                    SpringSCAReferenceElement referenceElement = itr.next();
                    if (ref.equals(referenceElement.getName())) {
                        unresolved = false;
                        break;
                    } // end if
                } // end while
            } // end if

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