Package org.apache.tuscany.sca.extensibility

Examples of org.apache.tuscany.sca.extensibility.ServiceDeclaration.loadClass()

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            // Dynamically load a factory class declared under META-INF/services
            try {
                ServiceDeclaration factoryDeclaration =
                    ServiceDiscovery.getInstance().getFirstServiceDeclaration(factoryInterface.getName());
                if (factoryDeclaration != null) {
                    Class<?> factoryClass = factoryDeclaration.loadClass();
                    try {
                       
                        // Default empty constructor
                        Constructor<?> constructor = factoryClass.getConstructor();
                        factory = constructor.newInstance();
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            // Dynamically load an extension point class declared under META-INF/services          
            try {
                ServiceDeclaration extensionPointDeclaration = ServiceDiscovery.getInstance().getFirstServiceDeclaration(extensionPointType.getName());
                if (extensionPointDeclaration != null) {
                    Class<?> extensionPointClass = extensionPointDeclaration.loadClass();
                   
                    // Construct the extension point
                    Constructor<?>[] constructors = extensionPointClass.getConstructors();
                    Constructor<?> constructor = getConstructor(constructors, new Class<?>[] {ExtensionPointRegistry.class});
                    if (constructor != null) {
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            // Dynamically load a utility class declared under META-INF/services/"utilityType"          
            try {
                ServiceDeclaration utilityDeclaration =ServiceDiscovery.getInstance().getFirstServiceDeclaration(utilityType.getName());
                if (utilityDeclaration != null) {
                    Class<?> utilityClass = utilityDeclaration.loadClass();
                   
                    // Construct the utility
                    Constructor<?>[] constructors = utilityClass.getConstructors();
                    Constructor<?> constructor = getConstructor(constructors, new Class<?>[] {ExtensionPointRegistry.class});
                    if (constructor != null) {
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            // Dynamically load a factory class declared under META-INF/services
            try {
                ServiceDeclaration factoryDeclaration =
                    ServiceDiscovery.getInstance().getFirstServiceDeclaration(factoryInterface.getName());
                if (factoryDeclaration != null) {
                    Class<?> factoryClass = factoryDeclaration.loadClass();
                    try {
                       
                        // Default empty constructor
                        Constructor<?> constructor = factoryClass.getConstructor();
                        factory = constructor.newInstance();
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            // Dynamically load an extension point class declared under META-INF/services          
            try {
                ServiceDeclaration extensionPointDeclaration = ServiceDiscovery.getInstance().getFirstServiceDeclaration(extensionPointType.getName());
                if (extensionPointDeclaration != null) {
                    Class<?> extensionPointClass = extensionPointDeclaration.loadClass();
                   
                    // Construct the extension point
                    Constructor<?>[] constructors = extensionPointClass.getConstructors();
                    Constructor<?> constructor = getConstructor(constructors, new Class<?>[] {ExtensionPointRegistry.class});
                    if (constructor != null) {
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            Class<? extends ModelResolver> resolver = resolvers.get(c);
            if (resolver == null) {
                ServiceDeclaration resolverClass = loadedResolvers.get(c.getName());
                if (resolverClass != null) {
                    try {
                        return (Class<? extends ModelResolver>)resolverClass.loadClass();
                    } catch (ClassNotFoundException e) {
                        throw new IllegalArgumentException(e);
                    }
                }
            } else {
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        Class<? extends ModelResolver > resolver = resolvers.get(modelType);
        if (resolver == null) {
            ServiceDeclaration resolverClass = loadedResolvers.get(modelType.getName());
            if (resolverClass != null) {
                try {
                    return (Class<? extends ModelResolver>)resolverClass.loadClass();
                } catch (ClassNotFoundException e) {
                    throw new IllegalArgumentException(e);
                }
            }
        }
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            // Dynamically load a factory class declared under META-INF/services
            try {
                ServiceDeclaration factoryDeclaration = ServiceDiscovery.getInstance().getFirstServiceDeclaration(factoryInterface.getName());
                if (factoryDeclaration != null) {
                    Class<?> factoryClass = factoryDeclaration.loadClass();
           
                    // Default empty constructor
                    Constructor<?> constructor = factoryClass.getConstructor(ExtensionPointRegistry.class);
                    factory = constructor.newInstance(registry);
           
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                if (factoryDeclaration != null) {
                    try {
                        // Constructor taking the extension point registry
                        factory = newInstance(registry, factoryDeclaration);
                    } catch (NoSuchMethodException e) {
                        factory = newInstance(factoryDeclaration.loadClass(), FactoryExtensionPoint.class, this);
                    }

                    // Cache the loaded factory
                    factories.put(factoryInterface, factory);
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            Class<? extends ModelResolver> resolver = resolvers.get(c);
            if (resolver == null) {
                ServiceDeclaration resolverClass = loadedResolvers.get(c.getName());
                if (resolverClass != null) {
                    try {
                        return (Class<? extends ModelResolver>)resolverClass.loadClass();
                    } catch (ClassNotFoundException e) {
                        throw new IllegalArgumentException(e);
                    }
                }
            } else {
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