Examples with Transaction org.jvnet.hk2.config.Transaction used on opensource projects

Example 31 with Transaction

use of org.jvnet.hk2.config.Transaction in project Payara by payara.

the class SetCommand method setLeafElement.

public static void setLeafElement(final ConfigBean node, final String elementName, final String values) throws TransactionFailure {
    ConfigBeanProxy readableView = node.getProxy(node.getProxyType());
    ConfigSupport.apply(new SingleConfigCode<ConfigBeanProxy>() {

        /**
         * Runs the following command passing the configuration object. The
         * code will be run within a transaction, returning true will commit
         * the transaction, false will abort it.
         *
         * @param param is the configuration object protected by the
         * transaction
         * @return any object that should be returned from within the
         * transaction code
         * @throws java.beans.PropertyVetoException if the changes cannot be
         * applied to the configuration
         */
        @Override
        public Object run(ConfigBeanProxy param) throws PropertyVetoException, TransactionFailure {
            WriteableView writeableParent = (WriteableView) Proxy.getInvocationHandler(param);
            StringTokenizer st = new StringTokenizer(values, ",");
            List<String> valList = new ArrayList<>();
            while (st.hasMoreTokens()) {
                valList.add(st.nextToken());
            }
            ConfigBean bean = writeableParent.getMasterView();
            for (Method m : writeableParent.getProxyType().getMethods()) {
                // Check to see if the method is a setter for the element
                // An element setter has to have the right name, take a single
                // collection parameter that parameterized with the right type
                Class[] argClasses = m.getParameterTypes();
                Type[] argTypes = m.getGenericParameterTypes();
                ConfigModel.Property prop = bean.model.toProperty(m);
                if (prop == null || !prop.xmlName().equals(elementName) || argClasses.length != 1 || !Collection.class.isAssignableFrom(argClasses[0]) || argTypes.length != 1 || !(argTypes[0] instanceof ParameterizedType) || !Types.erasure(Types.getTypeArgument(argTypes[0], 0)).isAssignableFrom(values.getClass())) {
                    continue;
                }
                // we have the right method.  Now call it
                try {
                    m.invoke(writeableParent.getProxy(writeableParent.<ConfigBeanProxy>getProxyType()), valList);
                } catch (IllegalAccessException | InvocationTargetException e) {
                    throw new TransactionFailure("Exception while setting element", e);
                }
                return node;
            }
            throw new TransactionFailure("No method found for setting element");
        }
    }, readableView);
}

Example 32 with Transaction

use of org.jvnet.hk2.config.Transaction in project Payara by payara.

the class GenericCrudCommand method getInjectionResolver.

public InjectionResolver<Param> getInjectionResolver() {
    final InjectionResolver<Param> delegate = injector;
    return new InjectionResolver<Param>(Param.class) {

        @Override
        public <V> V getValue(Object component, AnnotatedElement annotated, Type genericType, Class<V> type) throws MultiException {
            if (type.isAssignableFrom(List.class)) {
                final List<ConfigBeanProxy> values;
                try {
                    if (annotated instanceof Method) {
                        values = (List<ConfigBeanProxy>) ((Method) annotated).invoke(component);
                    } else if (annotated instanceof Field) {
                        values = (List<ConfigBeanProxy>) ((Field) annotated).get(component);
                    } else {
                        String msg = localStrings.getLocalString(GenericCrudCommand.class, "GenericCrudCommand.invalid_type", "Invalid annotated type {0} passed to InjectionResolver:getValue()", annotated.getClass().toString());
                        logger.log(Level.SEVERE, ConfigApiLoggerInfo.INVALID_ANNO_TYPE, annotated.getClass().toString());
                        throw new MultiException(new IllegalArgumentException(msg));
                    }
                } catch (IllegalAccessException e) {
                    String msg = localStrings.getLocalString(GenericCrudCommand.class, "GenericCrudCommand.invocation_failure", "Failure {0} while getting List<?> values from component", e.getMessage());
                    logger.log(Level.SEVERE, ConfigApiLoggerInfo.INVOKE_FAILURE);
                    throw new MultiException(new IllegalStateException(msg, e));
                } catch (InvocationTargetException e) {
                    String msg = localStrings.getLocalString(GenericCrudCommand.class, "GenericCrudCommand.invocation_failure", "Failure {0} while getting List<?> values from component", e.getMessage());
                    logger.log(Level.SEVERE, ConfigApiLoggerInfo.INVOKE_FAILURE);
                    throw new MultiException(new IllegalStateException(msg, e));
                }
                Object value = delegate.getValue(component, annotated, genericType, type);
                if (value == null) {
                    if (logger.isLoggable(level)) {
                        logger.log(level, "Value of " + annotated.toString() + " is null");
                    }
                    return null;
                }
                Type genericReturnType = null;
                if (annotated instanceof Method) {
                    genericReturnType = ((Method) annotated).getGenericReturnType();
                } else if (annotated instanceof Field) {
                    genericReturnType = ((Field) annotated).getGenericType();
                }
                if (genericReturnType == null) {
                    throw new MultiException(new IllegalArgumentException("Cannot determine parametized type from " + annotated.toString()));
                }
                final Class<? extends ConfigBeanProxy> itemType = Types.erasure(Types.getTypeArgument(genericReturnType, 0));
                if (logger.isLoggable(level)) {
                    logger.log(level, "Found that List<?> really is a List<" + itemType.toString() + ">");
                }
                if (itemType == null) {
                    String msg = localStrings.getLocalString(GenericCrudCommand.class, "GenericCrudCommand.nongeneric_type", "The List type returned by {0} must be a generic type", annotated.toString());
                    logger.log(Level.SEVERE, ConfigApiLoggerInfo.LIST_NOT_GENERIC_TYPE, annotated.toString());
                    throw new MultiException(new IllegalArgumentException(msg));
                }
                if (!ConfigBeanProxy.class.isAssignableFrom(itemType)) {
                    String msg = localStrings.getLocalString(GenericCrudCommand.class, "GenericCrudCommand.wrong_type", "The generic type {0} is not supported, only List<? extends ConfigBeanProxy> is", annotated.toString());
                    logger.log(Level.SEVERE, ConfigApiLoggerInfo.GENERIC_TYPE_NOT_SUPPORTED, annotated.toString());
                    throw new MultiException(new IllegalArgumentException(msg));
                }
                Properties props = convertStringToProperties(value.toString(), ':');
                if (logger.isLoggable(level)) {
                    for (Map.Entry<Object, Object> entry : props.entrySet()) {
                        logger.log(level, "Subtype " + itemType + " key:" + entry.getKey() + " value:" + entry.getValue());
                    }
                }
                final BeanInfo beanInfo;
                try {
                    beanInfo = Introspector.getBeanInfo(itemType);
                } catch (IntrospectionException e) {
                    String msg = localStrings.getLocalString(GenericCrudCommand.class, "GenericCrudCommand.introspection_failure", "Failure {0} while instrospecting {1} to find all getters and setters", e.getMessage(), itemType.getName());
                    LogHelper.log(logger, Level.SEVERE, ConfigApiLoggerInfo.INTROSPECTION_FAILED, e, itemType.getName());
                    throw new MultiException(new IllegalStateException(msg, e));
                }
                for (final Map.Entry<Object, Object> entry : props.entrySet()) {
                    ConfigBeanProxy child = (ConfigBeanProxy) component;
                    try {
                        ConfigBeanProxy cc = child.createChild(itemType);
                        new InjectionManager().inject(cc, itemType, new InjectionResolver<Attribute>(Attribute.class) {

                            @Override
                            public boolean isOptional(AnnotatedElement annotated, Attribute annotation) {
                                return true;
                            }

                            @Override
                            public Method getSetterMethod(Method annotated, Attribute annotation) {
                                // variant.
                                for (PropertyDescriptor pd : beanInfo.getPropertyDescriptors()) {
                                    if (pd.getReadMethod().equals(annotated)) {
                                        return pd.getWriteMethod();
                                    }
                                }
                                return annotated;
                            }

                            @Override
                            public <V> V getValue(Object component, AnnotatedElement annotated, Type genericType, Class<V> type) throws MultiException {
                                String name = annotated.getAnnotation(Attribute.class).value();
                                if ((name == null || name.length() == 0) && annotated instanceof Method) {
                                    // maybe there is a better way to do this...
                                    name = ((Method) annotated).getName().substring(3);
                                    if (name.equalsIgnoreCase("name") || name.equalsIgnoreCase("key")) {
                                        return type.cast(entry.getKey());
                                    }
                                    if (name.equalsIgnoreCase("value")) {
                                        return type.cast(entry.getValue());
                                    }
                                }
                                return null;
                            }
                        });
                        values.add(cc);
                    } catch (TransactionFailure transactionFailure) {
                        String msg = localStrings.getLocalString(GenericCrudCommand.class, "GenericCrudCommand.transactionException", "Transaction exception {0} while injecting {1}", transactionFailure.getMessage(), itemType);
                        LogHelper.log(logger, Level.SEVERE, ConfigApiLoggerInfo.TX_FAILED, transactionFailure, itemType);
                        throw new MultiException(new IllegalStateException(msg, transactionFailure));
                    }
                }
                return null;
            }
            return delegate.getValue(component, annotated, genericType, type);
        }

        @Override
        public boolean isOptional(AnnotatedElement annotated, Param annotation) {
            return annotation.optional();
        }
    };
}