Examples with Type org.glassfish.hk2.external.org.objectweb.asm.Type used on opensource projects

Example 56 with Type

use of org.glassfish.hk2.external.org.objectweb.asm.Type 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();
        }
    };
}