Package org.apache.aries.blueprint.reflect

Examples of org.apache.aries.blueprint.reflect.RefMetadataImpl


    private ReferenceListener parseServiceListener(Element element, ComponentMetadata enclosingComponent) {
        ReferenceListenerImpl listener = new ReferenceListenerImpl();
        Metadata listenerComponent = null;
        // Parse attributes
        if (element.hasAttribute(REF_ATTRIBUTE)) {
            listenerComponent = new RefMetadataImpl(element.getAttribute(REF_ATTRIBUTE));
        }
        String bindMethodName = null;
        String unbindMethodName = null;
        if (element.hasAttribute(BIND_METHOD_ATTRIBUTE)) {
            bindMethodName = element.getAttribute(BIND_METHOD_ATTRIBUTE);
            listener.setBindMethod(bindMethodName);
        }
        if (element.hasAttribute(UNBIND_METHOD_ATTRIBUTE)) {
            unbindMethodName = element.getAttribute(UNBIND_METHOD_ATTRIBUTE);
            listener.setUnbindMethod(unbindMethodName);
        }
        if (bindMethodName == null && unbindMethodName == null) {
            throw new ComponentDefinitionException("One of " + BIND_METHOD_ATTRIBUTE + " or " + UNBIND_METHOD_ATTRIBUTE + " must be set");
        }
        // Parse elements
        NodeList nl = element.getChildNodes();
        for (int i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i);
            if (node instanceof Element) {
                Element e = (Element) node;
                if (isBlueprintNamespace(e.getNamespaceURI())) {
                    if (nodeNameEquals(e, REF_ELEMENT)) {
                        if (listenerComponent != null) {
                            throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                        }
                        String component = e.getAttribute(COMPONENT_ID_ATTRIBUTE);
                        if (component == null || component.length() == 0) {
                            throw new ComponentDefinitionException("Element " + REF_ELEMENT + " must have a valid " + COMPONENT_ID_ATTRIBUTE + " attribute");
                        }
                        listenerComponent = new RefMetadataImpl(component);
                    } else if (nodeNameEquals(e, BEAN_ELEMENT)) {
                        if (listenerComponent != null) {
                            throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BLUEPRINT_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                        }
                        listenerComponent = parseBeanMetadata(e, false);
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    private Metadata parseArgumentOrPropertyValue(Element element, ComponentMetadata enclosingComponent) {
        Metadata [] values = new Metadata[3];
       
        if (element.hasAttribute(REF_ATTRIBUTE)) {
            values[0] = new RefMetadataImpl(element.getAttribute(REF_ATTRIBUTE));
        }
       
        if (element.hasAttribute(VALUE_ATTRIBUTE)) {
            values[1] = new ValueMetadataImpl(element.getAttribute(VALUE_ATTRIBUTE));
        }
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    private RefMetadata parseRef(Element element) {
        String component = element.getAttribute(COMPONENT_ID_ATTRIBUTE);
        if (component == null || component.length() == 0) {
            throw new ComponentDefinitionException("Element " + REF_ELEMENT + " must have a valid " + COMPONENT_ID_ATTRIBUTE + " attribute");
        }
        return new RefMetadataImpl(component);
    }
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                if (isBlueprintNamespace(e.getNamespaceURI())) {
                    if (nodeNameEquals(e, BEAN_ELEMENT)) {
                        target = parseBeanMetadata(e, true);
                    } else if (nodeNameEquals(e, REF_ELEMENT)) {
                        String componentName = e.getAttribute(COMPONENT_ID_ATTRIBUTE);
                        target = new RefMetadataImpl(componentName);
                    } else if (nodeNameEquals(e, REFERENCE_ELEMENT)) {
                        target = parseReference(e, true);
                    }
                } else {
                    target = parseCustomElement(e, null);
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        }
        if (element.hasAttribute(DESTROY_METHOD_ATTRIBUTE)) {
            metadata.setDestroyMethod(element.getAttribute(DESTROY_METHOD_ATTRIBUTE));
        }
        if (element.hasAttribute(FACTORY_REF_ATTRIBUTE)) {
            metadata.setFactoryComponent(new RefMetadataImpl(element.getAttribute(FACTORY_REF_ATTRIBUTE)));
        }
        if (element.hasAttribute(FACTORY_METHOD_ATTRIBUTE)) {
            String factoryMethod = element.getAttribute(FACTORY_METHOD_ATTRIBUTE);
            metadata.setFactoryMethod(factoryMethod);
        }
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        if (element.hasAttribute(INTERFACE_ATTRIBUTE)) {
            service.setInterfaceNames(Collections.singletonList(element.getAttribute(INTERFACE_ATTRIBUTE)));
            hasInterfaceNameAttribute = true;
        }
        if (element.hasAttribute(REF_ATTRIBUTE)) {
            service.setServiceComponent(new RefMetadataImpl(element.getAttribute(REF_ATTRIBUTE)));
        }
        if (element.hasAttribute(DEPENDS_ON_ATTRIBUTE)) {
            service.setDependsOn(parseList(element.getAttribute(DEPENDS_ON_ATTRIBUTE)));
        }
        String autoExport = element.hasAttribute(AUTO_EXPORT_ATTRIBUTE) ? element.getAttribute(AUTO_EXPORT_ATTRIBUTE) : AUTO_EXPORT_DEFAULT;
        if (AUTO_EXPORT_DISABLED.equals(autoExport)) {
            service.setAutoExport(ServiceMetadata.AUTO_EXPORT_DISABLED);
        } else if (AUTO_EXPORT_INTERFACES.equals(autoExport)) {
            service.setAutoExport(ServiceMetadata.AUTO_EXPORT_INTERFACES);
        } else if (AUTO_EXPORT_CLASS_HIERARCHY.equals(autoExport)) {
            service.setAutoExport(ServiceMetadata.AUTO_EXPORT_CLASS_HIERARCHY);
        } else if (AUTO_EXPORT_ALL.equals(autoExport)) {
            service.setAutoExport(ServiceMetadata.AUTO_EXPORT_ALL_CLASSES);
        } else {
            throw new ComponentDefinitionException("Illegal value (" + autoExport + ") for " + AUTO_EXPORT_ATTRIBUTE + " attribute");
        }
        String ranking = element.hasAttribute(RANKING_ATTRIBUTE) ? element.getAttribute(RANKING_ATTRIBUTE) : RANKING_DEFAULT;
        try {
            service.setRanking(Integer.parseInt(ranking));
        } catch (NumberFormatException e) {
            throw new ComponentDefinitionException("Attribute " + RANKING_ATTRIBUTE + " must be a valid integer (was: " + ranking + ")");
        }
        // Parse elements
        NodeList nl = element.getChildNodes();
        for (int i = 0; i < nl.getLength(); i++) {
            Node node = nl.item(i);
            if (node instanceof Element) {
                Element e = (Element) node;
                if (isBlueprintNamespace(e.getNamespaceURI())) {
                    if (nodeNameEquals(e, INTERFACES_ELEMENT)) {
                        if (hasInterfaceNameAttribute) {
                            throw new ComponentDefinitionException("Only one of " + INTERFACE_ATTRIBUTE + " attribute or " + INTERFACES_ELEMENT + " element must be used");
                        }
                        service.setInterfaceNames(parseInterfaceNames(e));
                    } else if (nodeNameEquals(e, SERVICE_PROPERTIES_ELEMENT)) {
                        List<MapEntry> entries = parseServiceProperties(e, service).getEntries();
                        service.setServiceProperties(entries);
                    } else if (nodeNameEquals(e, REGISTRATION_LISTENER_ELEMENT)) {
                        service.addRegistrationListener(parseRegistrationListener(e, service));
                    } else if (nodeNameEquals(e, BEAN_ELEMENT)) {
                        if (service.getServiceComponent() != null) {
                            throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + BEAN_ELEMENT + " element, " + REFERENCE_ELEMENT + " element or " + REF_ELEMENT + " element can be set");
                        }
                        service.setServiceComponent((Target) parseBeanMetadata(e, false));
                    } else if (nodeNameEquals(e, REF_ELEMENT)) {
                        if (service.getServiceComponent() != null) {
                            throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + BEAN_ELEMENT + " element, " + REFERENCE_ELEMENT + " element or " + REF_ELEMENT + " element can be set");
                        }
                        String component = e.getAttribute(COMPONENT_ID_ATTRIBUTE);
                        if (component == null || component.length() == 0) {
                            throw new ComponentDefinitionException("Element " + REF_ELEMENT + " must have a valid " + COMPONENT_ID_ATTRIBUTE + " attribute");
                        }
                        service.setServiceComponent(new RefMetadataImpl(component));                  
                    } else if (nodeNameEquals(e, REFERENCE_ELEMENT)) {
                        if (service.getServiceComponent() != null) {
                            throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + BEAN_ELEMENT + " element, " + REFERENCE_ELEMENT + " element or " + REF_ELEMENT + " element can be set");
                        }
                        service.setServiceComponent((Target) parseReference(e, false));
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    public<T extends Metadata> T createMetadata(Class<T> clazz) {
      if (clazz.isAssignableFrom(ReferenceMetadata.class))
        return clazz.cast(new ReferenceMetadataImpl());
      else if (clazz.isAssignableFrom(RefMetadata.class))
        return clazz.cast(new RefMetadataImpl());
      else
        return clazz.cast(new BeanMetadataImpl());
    }
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    public<T extends Metadata> T createMetadata(Class<T> clazz) {
      if (ReferenceMetadata.class.isAssignableFrom(clazz))
        return clazz.cast(new ReferenceMetadataImpl());
      else if (RefMetadata.class.isAssignableFrom(clazz))
        return clazz.cast(new RefMetadataImpl());
      else
        return clazz.cast(new BeanMetadataImpl());
    }
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                if (isBlueprintNamespace(e.getNamespaceURI())) {
                    if (nodeNameEquals(e, BEAN_ELEMENT)) {
                        target = parseBeanMetadata(e, true);
                    } else if (nodeNameEquals(e, REF_ELEMENT)) {
                        String componentName = e.getAttribute(COMPONENT_ID_ATTRIBUTE);
                        target = new RefMetadataImpl(componentName);
                    } else if (nodeNameEquals(e, REFERENCE_ELEMENT)) {
                        target = parseReference(e, true);
                    }
                } else {
                    target = parseCustomElement(e, null);
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        }
        if (element.hasAttribute(DESTROY_METHOD_ATTRIBUTE)) {
            metadata.setDestroyMethod(element.getAttribute(DESTROY_METHOD_ATTRIBUTE));
        }
        if (element.hasAttribute(FACTORY_REF_ATTRIBUTE)) {
            metadata.setFactoryComponent(new RefMetadataImpl(element.getAttribute(FACTORY_REF_ATTRIBUTE)));
        }
        if (element.hasAttribute(FACTORY_METHOD_ATTRIBUTE)) {
            String factoryMethod = element.getAttribute(FACTORY_METHOD_ATTRIBUTE);
            metadata.setFactoryMethod(factoryMethod);
        }
View Full Code Here

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