Examples with ComponentDefinitionException org.osgi.service.blueprint.container.ComponentDefinitionException used on opensource projects

Example 36 with ComponentDefinitionException

use of org.osgi.service.blueprint.container.ComponentDefinitionException in project aries by apache.

the class Parser method parseRegistrationListener.

public RegistrationListener parseRegistrationListener(Element element, ComponentMetadata enclosingComponent) {
    RegistrationListenerImpl listener = new RegistrationListenerImpl();
    Metadata listenerComponent = null;
    // Parse attributes
    if (element.hasAttribute(REF_ATTRIBUTE)) {
        listenerComponent = new RefMetadataImpl(element.getAttribute(REF_ATTRIBUTE));
    }
    String registrationMethod = null;
    if (element.hasAttribute(REGISTRATION_METHOD_ATTRIBUTE)) {
        registrationMethod = element.getAttribute(REGISTRATION_METHOD_ATTRIBUTE);
        listener.setRegistrationMethod(registrationMethod);
    }
    String unregistrationMethod = null;
    if (element.hasAttribute(UNREGISTRATION_METHOD_ATTRIBUTE)) {
        unregistrationMethod = element.getAttribute(UNREGISTRATION_METHOD_ATTRIBUTE);
        listener.setUnregistrationMethod(unregistrationMethod);
    }
    if (registrationMethod == null && unregistrationMethod == null) {
        throw new ComponentDefinitionException("One of " + REGISTRATION_METHOD_ATTRIBUTE + " or " + UNREGISTRATION_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 + ", " + BEAN_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 + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseBeanMetadata(e, false);
                } else if (nodeNameEquals(e, REFERENCE_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseReference(e, false);
                } else if (nodeNameEquals(e, SERVICE_ELEMENT)) {
                    if (listenerComponent != null) {
                        throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                    }
                    listenerComponent = parseService(e, false);
                }
            } else {
                if (listenerComponent != null) {
                    throw new ComponentDefinitionException("Only one of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element can be set");
                }
                listenerComponent = parseCustomElement(e, enclosingComponent);
            }
        }
    }
    if (listenerComponent == null) {
        throw new ComponentDefinitionException("One of " + REF_ATTRIBUTE + " attribute, " + REF_ELEMENT + ", " + BEAN_ELEMENT + ", " + REFERENCE_ELEMENT + ", " + SERVICE_ELEMENT + " or custom element must be set");
    }
    listener.setListenerComponent((Target) listenerComponent);
    return listener;
}

Example 37 with ComponentDefinitionException

use of org.osgi.service.blueprint.container.ComponentDefinitionException in project aries by apache.

the class Parser method getScope.

/**
     * Takes an Attribute Node for the scope, and returns the value.<br> 
     *  
     * @param attrNode The DOM Node with the attribute value.
     * @return The scope as a stringified value. It should be either the value <code>prototype</code>,
     * <code>singleton</code>, or a namespace qualified value, e.g. {http://foo}bar
     * @throws ComponentDefinitionException if the namespace prefix in the attribute value cannot be resolved.
     */
private String getScope(Node attrNode) throws ComponentDefinitionException {
    String scope = null;
    if (attrNode != null && (attrNode instanceof Attr)) {
        Attr attr = (Attr) attrNode;
        String attrValue = attr.getValue();
        if (attrValue != null && attrValue.indexOf(":") != -1) {
            String[] parts = attrValue.split(":");
            String prefix = parts[0];
            String localName = parts[1];
            String namespaceURI = attr.getOwnerElement().lookupNamespaceURI(prefix);
            if (namespaceURI != null) {
                scope = new QName(namespaceURI, localName).toString();
            } else {
                throw new ComponentDefinitionException("Unable to determine namespace binding for prefix, " + prefix);
            }
        } else {
            scope = attrValue;
        }
    }
    return scope;
}

Example 38 with ComponentDefinitionException

use of org.osgi.service.blueprint.container.ComponentDefinitionException in project aries by apache.

the class Parser method parseTypeConverters.

private void parseTypeConverters(Element element) {
    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;
            Object target = null;
            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);
            }
            if (!(target instanceof Target)) {
                throw new ComponentDefinitionException("Metadata parsed for element " + e.getNodeName() + " can not be used as a type converter");
            }
            registry.registerTypeConverter((Target) target);
        }
    }
}

Example 39 with ComponentDefinitionException

use of org.osgi.service.blueprint.container.ComponentDefinitionException in project aries by apache.

the class Parser method parseBlueprintElement.

private void parseBlueprintElement(Element element) {
    if (nodeNameEquals(element, DESCRIPTION_ELEMENT)) {
    // Ignore description
    } else if (nodeNameEquals(element, TYPE_CONVERTERS_ELEMENT)) {
        parseTypeConverters(element);
    } else if (nodeNameEquals(element, BEAN_ELEMENT)) {
        ComponentMetadata component = parseBeanMetadata(element, true);
        registry.registerComponentDefinition(component);
    } else if (nodeNameEquals(element, SERVICE_ELEMENT)) {
        ComponentMetadata service = parseService(element, true);
        registry.registerComponentDefinition(service);
    } else if (nodeNameEquals(element, REFERENCE_ELEMENT)) {
        ComponentMetadata reference = parseReference(element, true);
        registry.registerComponentDefinition(reference);
    } else if (nodeNameEquals(element, REFERENCE_LIST_ELEMENT)) {
        ComponentMetadata references = parseRefList(element, true);
        registry.registerComponentDefinition(references);
    } else {
        throw new ComponentDefinitionException("Unknown element " + element.getNodeName() + " in namespace " + BLUEPRINT_NAMESPACE);
    }
}

Example 40 with ComponentDefinitionException

use of org.osgi.service.blueprint.container.ComponentDefinitionException in project aries by apache.

the class Parser method parseService.

private ComponentMetadata parseService(Element element, boolean topElement) {
    ServiceMetadataImpl service = new ServiceMetadataImpl();
    boolean hasInterfaceNameAttribute = false;
    if (topElement) {
        service.setId(getId(element));
        service.setActivation(parseActivation(element));
    } else {
        service.setActivation(ComponentMetadata.ACTIVATION_LAZY);
    }
    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));
                }
            }
        }
    }
    // Check service
    if (service.getServiceComponent() == null) {
        throw new ComponentDefinitionException("One of " + REF_ATTRIBUTE + " attribute, " + BEAN_ELEMENT + " element, " + REFERENCE_ELEMENT + " element or " + REF_ELEMENT + " element must be set");
    }
    // Check interface
    if (service.getAutoExport() == ServiceMetadata.AUTO_EXPORT_DISABLED && service.getInterfaces().isEmpty()) {
        throw new ComponentDefinitionException(INTERFACE_ATTRIBUTE + " attribute or " + INTERFACES_ELEMENT + " element must be set when " + AUTO_EXPORT_ATTRIBUTE + " is set to " + AUTO_EXPORT_DISABLED);
    }
    // Check for non-disabled auto-exports and interfaces
    if (service.getAutoExport() != ServiceMetadata.AUTO_EXPORT_DISABLED && !service.getInterfaces().isEmpty()) {
        throw new ComponentDefinitionException(INTERFACE_ATTRIBUTE + " attribute or  " + INTERFACES_ELEMENT + " element must not be set when " + AUTO_EXPORT_ATTRIBUTE + " is set to anything else than " + AUTO_EXPORT_DISABLED);
    }
    ComponentMetadata s = service;
    // Parse custom attributes
    s = handleCustomAttributes(element.getAttributes(), s);
    // Parse custom elements;
    s = handleCustomElements(element, s);
    return s;
}