コード例 #1
0
        private ExprCastNodeDateDesc ValidateDateFormat(
            ExprNamedParameterNode dateFormatParameter,
            ExprValidationContext validationContext)
        {
            var iso8601Format = false;
            var formatExpr = dateFormatParameter.ChildNodes[0];
            var formatForge = formatExpr.Forge;
            var formatReturnType = formatExpr.Forge.EvaluationType;
            string staticFormatString = null;

            if (formatReturnType == typeof(string)) {
                if (formatExpr.Forge.ForgeConstantType.IsCompileTimeConstant) {
                    staticFormatString = (string) formatForge.ExprEvaluator.Evaluate(null, true, null);
                    if (staticFormatString.ToLowerInvariant().Trim().Equals("iso")) {
                        iso8601Format = true;
                    }
                    else {
                        try {
                            DateTimeFormat.For(staticFormatString);
                        }
                        catch (EPException) {
                            throw;
                        }
                        catch (Exception ex) {
                            throw new ExprValidationException(
                                "Invalid date format '" +
                                staticFormatString +
                                "' (as obtained from DateTimeFormatter.For): " +
                                ex.Message,
                                ex);
                        }
                    }
                }
            }
            else {
                if ((typeof(DateFormat) != formatReturnType) &&
                    (!typeof(DateFormat).IsAssignableFrom(formatReturnType)) &&
                    (typeof(DateTimeFormat) != formatReturnType) &&
                    (!typeof(DateTimeFormat).IsAssignableFrom(formatReturnType))) {
                    throw GetFailedExpected(typeof(DateFormat), formatReturnType);
                }
            }

            return new ExprCastNodeDateDesc(
                iso8601Format,
                formatForge,
                staticFormatString,
                formatForge.ForgeConstantType.IsConstant);
        }
コード例 #2
0
        public static DateTimeFormat StringToDateTimeFormatterSafe(object format)
        {
            if (format == null) {
                throw new EPException("Null date format returned by 'dateformat' expression");
            }

            try {
                return DateTimeFormat.For(format.ToString());
            }
            catch (EPException) {
                throw;
            }
            catch (Exception ex) {
                throw new EPException("Invalid date format '" + format + "': " + ex.Message, ex);
            }
        }
コード例 #3
0
 public override object Parse(string input)
 {
     return(StringToDateTimeWStaticFormatParse(input, DateTimeFormat.For(format)));
 }
コード例 #4
0
ファイル: FileSourceCSV.cs プロジェクト: lanicon/nesper
        private static ParseMakePropertiesDesc SetupProperties(bool requireOneMatch,
                                                               string[] propertyNamesOffered,
                                                               EventType outputEventType,
                                                               StatementContext statementContext,
                                                               string dateFormat)
        {
            var writeables = EventTypeUtility.GetWriteableProperties(outputEventType, false, false);

            IList <int> indexesList = new List <int>();
            IList <SimpleTypeParser>            parserList    = new List <SimpleTypeParser>();
            IList <WriteablePropertyDescriptor> writablesList = new List <WriteablePropertyDescriptor>();

            for (var i = 0; i < propertyNamesOffered.Length; i++)
            {
                var  propertyName = propertyNamesOffered[i];
                Type propertyType;
                try {
                    propertyType = outputEventType.GetPropertyType(propertyName);
                }
                catch (PropertyAccessException ex) {
                    throw new EPException("Invalid property name '" + propertyName + "': " + ex.Message, ex);
                }

                if (propertyType == null)
                {
                    continue;
                }

                SimpleTypeParser parser;
                if (propertyType.IsDateTime() && !propertyType.IsInt64())
                {
                    var dateTimeFormat = dateFormat != null
                                                ? DateTimeFormat.For(dateFormat)
                                                : DateTimeFormat.ISO_DATE_TIME;

                    if (propertyType == typeof(DateTime?))
                    {
                        parser = new ProxySimpleTypeParser(
                            text => (dateTimeFormat.Parse(text)?.DateTime)?.DateTime);
                    }
                    else if (propertyType == typeof(DateTime))
                    {
                        parser = new ProxySimpleTypeParser(
                            text => dateTimeFormat.Parse(text).DateTime.DateTime);
                    }
                    else if (propertyType == typeof(DateTimeOffset?))
                    {
                        parser = new ProxySimpleTypeParser(
                            text => dateTimeFormat.Parse(text)?.DateTime);
                    }
                    else if (propertyType == typeof(DateTimeOffset))
                    {
                        parser = new ProxySimpleTypeParser(
                            text => dateTimeFormat.Parse(text).DateTime);
                    }
                    else
                    {
                        parser = new ProxySimpleTypeParser(
                            text => dateTimeFormat.Parse(text));
                    }
                }
                else
                {
                    parser = SimpleTypeParserFactory.GetParser(propertyType);
                }

                var writable = EventTypeUtility.FindWritable(propertyName, writeables);
                if (writable == null)
                {
                    continue;
                }

                indexesList.Add(i);
                parserList.Add(parser);
                writablesList.Add(writable);
            }

            if (indexesList.IsEmpty() && requireOneMatch)
            {
                throw new EPException(
                          "Failed to match any of the properties " +
                          CompatExtensions.RenderAny(propertyNamesOffered) +
                          " to the event type properties of event type '" +
                          outputEventType.Name +
                          "'");
            }

            var parsers   = parserList.ToArray();
            var writables = writablesList.ToArray();
            var indexes   = CollectionUtil.IntArray(indexesList);
            EventBeanManufacturer manufacturer;

            try {
                manufacturer = EventTypeUtility.GetManufacturer(
                    outputEventType,
                    writables,
                    statementContext.ImportServiceRuntime,
                    false,
                    statementContext.EventTypeAvroHandler)
                               .GetManufacturer(statementContext.EventBeanTypedEventFactory);
            }
            catch (EventBeanManufactureException e) {
                throw new EPException("Event type '" + outputEventType.Name + "' cannot be written to: " + e.Message, e);
            }

            return(new ParseMakePropertiesDesc(indexes, parsers, manufacturer));
        }
コード例 #5
0
 public StringWStaticFormatComputer(string format)
 {
     this.format     = format;
     this.dateFormat = DateTimeFormat.For(format);
 }
コード例 #6
0
        public static ReformatFormatForgeDesc ValidateGetFormatterType(
            EPType inputType,
            string methodName,
            ExprNode exprNode)
        {
            if (!(inputType is ClassEPType)) {
                throw new ExprValidationException(
                    GetMessage(methodName) + " requires a datetime input value but received " + inputType);
            }

            if (!exprNode.Forge.ForgeConstantType.IsConstant) {
                throw new ExprValidationException(GetMessage(methodName) + " requires a constant-value format");
            }

            var formatForge = exprNode.Forge;
            var formatType = formatForge.EvaluationType;
            if (formatType == null) {
                throw new ExprValidationException(GetMessage(methodName) + " invalid null format object");
            }

            object format = null;
            if (formatForge.ForgeConstantType.IsCompileTimeConstant) {
                format = ExprNodeUtilityEvaluate.EvaluateValidationTimeNoStreams(
                    exprNode.Forge.ExprEvaluator,
                    null,
                    "date format");
                if (format == null) {
                    throw new ExprValidationException(GetMessage(methodName) + " invalid null format object");
                }
            }

            // handle legacy date
            var input = (ClassEPType) inputType;
            if (input.Clazz.GetBoxedType() == typeof(long?) ||
                TypeHelper.IsSubclassOrImplementsInterface(input.Clazz, typeof(DateTime)) ||
                TypeHelper.IsSubclassOrImplementsInterface(input.Clazz, typeof(DateTimeOffset)) ||
                TypeHelper.IsSubclassOrImplementsInterface(input.Clazz, typeof(DateTimeEx))) {
                if (TypeHelper.IsSubclassOrImplementsInterface(formatType, typeof(DateFormat))) {
                    return new ReformatFormatForgeDesc(typeof(DateFormat));
                }

                if (TypeHelper.IsSubclassOrImplementsInterface(formatType, typeof(string))) {
                    if (format != null) {
                        try {
                            new SimpleDateFormat((string) format);
                        }
                        catch (Exception ex) {
                            throw new ExprValidationException(
                                GetMessage(methodName) + " invalid format string (SimpleDateFormat): " + ex.Message,
                                ex);
                        }
                    }

                    return new ReformatFormatForgeDesc(typeof(string));
                }

                throw GetFailedExpected(methodName, typeof(DateFormat), formatType);
            }

            if (TypeHelper.IsSubclassOrImplementsInterface(formatType, typeof(DateTimeFormat))) {
                return new ReformatFormatForgeDesc(typeof(DateTimeFormat));
            }

            if (TypeHelper.IsSubclassOrImplementsInterface(formatType, typeof(string))) {
                if (format != null) {
                    try {
                        DateTimeFormat.For((string) format);
                    }
                    catch (Exception ex) {
                        throw new ExprValidationException(
                            GetMessage(methodName) + " invalid format string (DateTimeFormatter): " + ex.Message,
                            ex);
                    }
                }

                return new ReformatFormatForgeDesc(typeof(string));
            }

            throw GetFailedExpected(methodName, typeof(DateTimeFormat), formatType);
        }