285 lines
11 KiB
C#
285 lines
11 KiB
C#
//
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// Class: Util
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// Current CLR: 4.0.30319.34209
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// System: Microsoft Visual Studio 10.0
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// Author: dani
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// Created: 3/21/2015 10:36:56 AM
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//
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// Copyright (c) 2015 Informatikbüro Daniel Schick. All rights reserved.
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using System;
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using System.Data.SqlClient;
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using System.Collections.Generic;
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using System.Text.RegularExpressions;
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using log4net;
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namespace bsmd.database
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{
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public static class Util
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{
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private static readonly Regex regexVisit = new Regex("^(DE)([A-Z]{3})-([0-9]{4})-([A-Z]{6})$", RegexOptions.IgnoreCase);
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private static readonly Regex regexTransit = new Regex("^(ZZNOK)-([0-9]{4})-([A-Z]{6})$", RegexOptions.IgnoreCase);
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private static readonly ILog _log = LogManager.GetLogger(typeof(Util));
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/// <summary>
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/// Extension helper to add values that can be null:
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/// http://stackoverflow.com/questions/13451085/exception-when-addwithvalue-parameter-is-null
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/// </summary>
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public static SqlParameter AddWithNullableValue(this SqlParameterCollection collection, string parameterName, object value)
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{
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if (value == null)
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return collection.AddWithValue(parameterName, DBNull.Value);
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else
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return collection.AddWithValue(parameterName, value);
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}
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public static string GetGenderDisplay(byte? val)
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{
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if (val.HasValue)
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{
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switch (val)
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{
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case 0: return "Male";
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case 1: return "Female";
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default: return "Other";
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}
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}
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else
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{
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return "Unknown";
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}
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}
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public static string GetIdentityDocumentTypeDisplay(byte? val)
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{
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if(val.HasValue)
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{
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switch (val)
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{
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case 0: return "Identity card";
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case 1: return "Passport";
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case 2: return "Muster book";
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case 3: return "Picture ID";
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case 4: return "Residantal permit";
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default: return "Other legal identity document";
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}
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}
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else
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{
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return "Unknown";
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}
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}
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public static string GetISSCTypeDisplay(byte? val)
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{
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if (val.HasValue)
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{
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switch(val)
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{
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case 0: return "FULL";
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case 1: return "INTERIM";
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default:
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return "UNKNOWN";
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}
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}
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else
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{
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return "Unknown";
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}
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}
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public static string GetISSCIssuerTypeDisplay(byte? val)
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{
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if (val.HasValue)
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{
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switch (val)
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{
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case 0: return "ADMINISTRATION";
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case 1: return "RSO";
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default:
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return "UNKNOWN";
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}
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}
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else
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{
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return "Unknown";
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}
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}
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public static bool IsVisitId(string val)
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{
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if (val.IsNullOrEmpty()) return false;
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return regexVisit.IsMatch(val);
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}
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public static bool IsTransitId(string val)
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{
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if (val.IsNullOrEmpty()) return false;
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return regexTransit.IsMatch(val);
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}
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/// <summary>
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/// Hilfsfunktion für "manuelle" Anlage eines Schiffsanlaufs. Die Objekte sind bereits gespeichert.
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/// Es werden nur noch nicht vorhandene Meldeklassen erzeugt
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/// </summary>
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public static List<Message> CreateMessagesForCore(MessageCore core, List<Message> existingMessages, ReportingParty user = null)
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{
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List<Message> result = new List<Message>();
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Dictionary<Message.NotificationClass, Message> messageDict = new Dictionary<Message.NotificationClass, Message>();
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if(!existingMessages.IsNullOrEmpty())
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{
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foreach (Message aMessage in existingMessages)
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{
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if(messageDict.ContainsKey(aMessage.MessageNotificationClass))
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{
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_log.WarnFormat("Core {0} [{1}] has more than one message class for {2}", core.Id, core.DisplayId, aMessage.MessageNotificationClassDisplay);
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}
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messageDict[aMessage.MessageNotificationClass] = aMessage;
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}
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}
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bool isDE, isDK;
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if(core?.PoC != null)
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{
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isDE = core.PoC.Equals("ZZNOK") || core.PoC.StartsWith("DE");
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isDK = core.PoC.StartsWith("DK");
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foreach (Message.NotificationClass notificationClass in Enum.GetValues(typeof(Message.NotificationClass)))
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{
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if(isDE)
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{
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if ((notificationClass == Message.NotificationClass.CREWD) ||
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(notificationClass == Message.NotificationClass.PASD) ||
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(notificationClass == Message.NotificationClass.STO)) continue;
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}
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if(isDK)
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{
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// gibt es hier etwas, das nicht gebraucht wird? (siehe Mail von Christin, 29.5.17
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if ((notificationClass == Message.NotificationClass.MDH) ||
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(notificationClass == Message.NotificationClass.BKRA) ||
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(notificationClass == Message.NotificationClass.BKRD) ||
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(notificationClass == Message.NotificationClass.TOWA) ||
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(notificationClass == Message.NotificationClass.TOWD)) continue;
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}
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if (core.IsTransit && (notificationClass == Message.NotificationClass.VISIT)) continue;
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if (!core.IsTransit && (notificationClass == Message.NotificationClass.TRANSIT)) continue;
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Message message = null;
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if (!messageDict.ContainsKey(notificationClass))
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{
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message = new Message();
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if (user != null)
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message.CreatedBy = string.Format("ENI-2: {0}", user.Logon);
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message.MessageCore = core;
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message.MessageCoreId = core.Id;
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message.MessageNotificationClass = notificationClass;
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DBManager.Instance.Save(message);
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result.Add(message);
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}
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else
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{
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message = messageDict[notificationClass];
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}
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// abgesehen von "Listen" für die Nachrichtenklassen auch untergeordnete Elemente erzeugen, falls nicht vorhanden!
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DatabaseEntity classElement = null;
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if (!Message.IsListClass(notificationClass) && (message.Elements.Count == 0))
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{
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classElement = DBManager.CreateMessage(notificationClass);
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// CH: 6.10.17: Für die manuelle Eingabe (wird leider nicht ganz auszuschließen sein) wäre es hilfreich, wenn alle Checkboxen nicht leer sind, sondern False beinhalten.
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if(notificationClass == Message.NotificationClass.MDH)
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{
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((MDH)classElement).SetBoolsToFalse();
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}
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if(notificationClass == Message.NotificationClass.BPOL)
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{
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// Vorbelegung, Spezialwunsch aus BRV 5.2.18
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((BPOL)classElement).CruiseShip = false;
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((BPOL)classElement).StowawaysOnBoard = false;
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}
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if (classElement != null) // null für Visit/Transit
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{
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classElement.MessageHeader = message;
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DBManager.Instance.Save(classElement);
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message.Elements.Add(classElement);
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}
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}
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}
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}
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return result;
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}
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public static int? GetNumericIdentifier(ISublistElement element)
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{
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if (element != null)
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{
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string stringIdentifier = element.Identifier;
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Regex re = new Regex(@"\d+");
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Match m = re.Match(stringIdentifier);
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if (m.Success)
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{
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return Int32.Parse(m.Value);
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}
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}
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return null;
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}
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public static bool IsIMOValid(string imoAsString)
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{
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if (imoAsString.IsNullOrEmpty()) return false;
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string actualIMO = null;
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if(imoAsString.Length == 10)
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{
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if (imoAsString.Substring(0, 3).Equals("imo", StringComparison.OrdinalIgnoreCase))
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actualIMO = imoAsString.Substring(3);
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}
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if (imoAsString.Length == 7)
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actualIMO = imoAsString;
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if ((actualIMO != null) && Int32.TryParse(actualIMO, out int _))
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{
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/* The integrity of an IMO number can be verified using its check digit. This is done by multiplying
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* each of the first six digits by a factor of 2 to 7 corresponding to their position from right
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* to left. The rightmost digit of this sum is the check digit.
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* For example, for IMO 9074729: (9×7) + (0×6) + (7×5) + (4×4) + (7×3) + (2×2) = 139
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*/
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int sum = 0;
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for (int i = 0, multiplier = 7; i < 6; i++, multiplier--)
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{
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sum += (Convert.ToInt32(actualIMO.Substring(i,1)) * multiplier);
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}
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int lastdigit = sum % 10; // letzte Stelle
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if (Convert.ToInt32(actualIMO.Substring(6,1)) == lastdigit)
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return true;
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}
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return false;
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}
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#region CoordinateTransformation
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public static double NSWToDecimalDegrees(int nswCoordinate)
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{
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double result = Math.Floor(nswCoordinate / 600000.0);
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result += (double) (nswCoordinate % 600000.0) / 600000.0;
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return result;
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}
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public static int DecimalDegreesToNSW(double decimalDegree)
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{
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int result = ((int)decimalDegree) * 600000;
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result += (int) ((decimalDegree - (int)decimalDegree) * 600000);
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return result;
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}
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#endregion
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}
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}
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