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356
Framework/Util/Configuration.cs
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356
Framework/Util/Configuration.cs
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using System;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Xml;
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using Kreta.Framework.Logging;
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using Kreta.Resources;
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namespace Kreta.Framework
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{
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public enum SystemType
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{
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[Display(Name = nameof(EnumsResource.Ismeretlen), ResourceType = typeof(EnumsResource))]
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Ismeretlen = -1,
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[Display(Name = nameof(EnumsResource.Teszt), ResourceType = typeof(EnumsResource))]
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Teszt = 0,
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[Display(Name = nameof(EnumsResource.KlebelsbergKozpont), ResourceType = typeof(EnumsResource))]
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KK = 1,
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[Display(Name = nameof(EnumsResource.NemzetiSzakkepzesiEsFelnottkepzesiHivatal), ResourceType = typeof(EnumsResource))]
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NSZFH = 2,
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[Display(Name = nameof(EnumsResource.HermanOttoIntezet), ResourceType = typeof(EnumsResource))]
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HOI = 3,
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[Display(Name = nameof(EnumsResource.Azure), ResourceType = typeof(EnumsResource))]
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AZURE = 4,
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[Display(Name = nameof(EnumsResource.Azure), ResourceType = typeof(EnumsResource))]
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NSZFH_EMA = 5
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}
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/// <summary>
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/// Néhány alaptulajdonság van felvéve, aztan majd lehet bővíteni.
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/// </summary>
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public class Configuration : ILogConfig
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{
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/// <summary>
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/// Configuration constuctor
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/// </summary>
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/// <param name="configurationNode">the main "config" node</param>
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public Configuration(XmlNode configurationNode)
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{
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var cfg = configurationNode;
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try
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{
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ConfigDocument = cfg;
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// ReSharper disable once DoNotCallOverridableMethodsInConstructor
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ReadConfig(cfg);
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}
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catch (InvalidConfigurationException)
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{
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throw;
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}
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catch (Exception exception)
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{
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throw new InvalidConfigurationException(exception);
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}
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}
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#region Beolvasás
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/// <summary>
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/// Reads configuration string.
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/// </summary>
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/// <param name="confignode">Server config</param>
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/// <param name="xpath">XPath location of node</param>
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/// <returns>Configuration value</returns>
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/// <exception cref="InvalidConfigurationException">Invalid configuration</exception>
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protected static string ReadString(XmlNode confignode, string xpath)
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{
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XmlNode current;
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if ((current = confignode.SelectSingleNode(xpath)) != null)
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{
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return current.InnerText;
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}
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throw new InvalidConfigurationException(string.Format("Missing configuration entry: {0}.", xpath));
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}
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/// <summary>
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/// Reads configuration string.
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/// </summary>
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/// <param name="confignode">Server config</param>
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/// <param name="xpath">XPath location of node</param>
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/// <param name="defaultValue">The default value if missing from configuration</param>
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/// <returns>Configuration value</returns>
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/// <exception cref="InvalidConfigurationException">Invalid configuration</exception>
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protected static string ReadString(XmlNode confignode, string xpath, string defaultValue)
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{
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XmlNode current;
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return (current = confignode.SelectSingleNode(xpath)) != null ? current.InnerText : defaultValue;
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}
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/// <summary>
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/// Reads configuration list.
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/// </summary>
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/// <param name="confignode">Server config</param>
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/// <param name="xpath">XPath location of node</param>
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/// <param name="listElementNode">Name of list element node</param>
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/// <returns>Configuration list</returns>
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protected static string[] ReadStrings(XmlNode confignode, string xpath, string listElementNode)
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{
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XmlNode current;
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if ((current = confignode.SelectSingleNode(xpath)) != null)
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{
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return (
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from XmlNode node in current.ChildNodes
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where node.Name.Equals(listElementNode, StringComparison.OrdinalIgnoreCase)
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select node.InnerText)
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.ToArray();
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}
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return null;
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}
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/// <summary>
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/// Reads configuration number.
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/// </summary>
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/// <param name="confignode">Server config</param>
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/// <param name="xpath">XPath location of node</param>
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/// <param name="defaultValue">The default value if missing from configuration, <c>null</c> value implies required node</param>
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/// <returns>Configuration value</returns>
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/// <exception cref="InvalidConfigurationException">
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/// Invalid configuration or <paramref name="defaultValue"/> is <c>null</c> and node is missing.
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/// </exception>
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protected static int ReadNumber(XmlNode confignode, string xpath, int? defaultValue = null)
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{
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XmlNode current;
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if ((current = confignode.SelectSingleNode(xpath)) != null)
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{
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if (int.TryParse(current.InnerText, out int innerNumber))
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{
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return innerNumber;
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}
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throw new InvalidConfigurationException(string.Format("Invalid configuration entry: {0}.", xpath));
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}
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if (defaultValue != null)
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{
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return (int)defaultValue;
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}
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throw new InvalidConfigurationException(string.Format("Missing configuration entry: {0}.", xpath));
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}
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/// <summary>
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/// Reads configuration switch.
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/// </summary>
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/// <param name="confignode">Server config</param>
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/// <param name="xpath">XPath location of node</param>
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/// <param name="defaultValue">The default value if missing from configuration, <c>null</c> value implies required node</param>
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/// <returns>Configuration value</returns>
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/// <exception cref="InvalidConfigurationException">
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/// Invalid configuration or <paramref name="defaultValue"/> is <c>null</c> and node is missing.
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/// </exception>
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protected static bool ReadBool(XmlNode confignode, string xpath, bool? defaultValue = null)
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{
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XmlNode current;
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if ((current = confignode.SelectSingleNode(xpath)) != null)
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{
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if (bool.TryParse(current.InnerText, out var innerBool))
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{
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return innerBool;
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}
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throw new InvalidConfigurationException(string.Format("Invalid configuration entry: {0}.", xpath));
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}
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if (defaultValue != null)
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{
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return (bool)defaultValue;
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}
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throw new InvalidConfigurationException(string.Format("Missing configuration entry: {0}.", xpath));
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}
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/// <summary>
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/// Reads configuration enumeration.
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/// </summary>
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/// <param name="confignode">Server config</param>
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/// <param name="xpath">XPath location of node</param>
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/// <param name="defaultValue">The default value if missing from configuration, <c>null</c> value implies required node</param>
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/// <returns>Configuration value</returns>
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/// <exception cref="InvalidConfigurationException">
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/// Invalid configuration or <paramref name="defaultValue"/> is <c>null</c> and node is missing.
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/// </exception>
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protected static TEnum ReadEnum<TEnum>(XmlNode confignode, string xpath, TEnum? defaultValue = null) where TEnum : struct
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{
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XmlNode current;
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if ((current = confignode.SelectSingleNode(xpath)) != null)
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{
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if (Enum.TryParse(current.InnerText, true, out TEnum innerEnum))
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{
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return innerEnum;
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}
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throw new InvalidConfigurationException(string.Format("Invalid configuration entry: {0}.", xpath));
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}
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if (defaultValue != null)
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{
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return (TEnum)defaultValue;
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}
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throw new InvalidConfigurationException(string.Format("Missing configuration entry: {0}.", xpath));
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}
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protected virtual void ReadConfig(XmlNode confignode)
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{
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string xpath = "";
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try
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{
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// Kiszolgáló egyedi neve.
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xpath = @"/config/server/name";
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ServerName = ReadString(confignode, xpath);
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// Az adatbázis-kapcsolatot leíró karakterlánc.
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xpath = @"/config/server/dbconnection";
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DBConnection = ReadString(confignode, xpath);
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xpath = @"/config/server/globalapidbconnection";
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GlobalDbConnection = ReadString(confignode, xpath);
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// A naplózás szintje.
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xpath = @"/config/server/loglevel";
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ServerLogLevel = ReadEnum<LogLevel>(confignode, xpath);
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#if !DEBUG
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// Release szerver legfeljebb INFO részletességű lehet.
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if (ServerLogLevel < LogLevel.INFO)
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{
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ServerLogLevel = LogLevel.INFO;
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}
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#endif
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// Munkamenet elévülési ideje.
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xpath = @"/config/server/sessiontimeout";
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SessionTimeout = ReadNumber(confignode, xpath);
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// Alapértelmezett nyelv.
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xpath = @"/config/server/lcid";
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LCID = ReadNumber(confignode, xpath, 1038);
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xpath = @"/config/server/logdbconnection";
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_logDbConnection = ReadString(confignode, xpath, DBConnection);
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// Konzolra való naplózás engedélyezése.
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xpath = @"/config/server/logtoconsole";
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LogToConsole = ReadBool(confignode, xpath, false);
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// A maximálisan lehozható rekordok száma.
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xpath = @"/config/server/maxrecordsperrequest";
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MaximalRecordCountPerRequest = ReadNumber(confignode, xpath, 200);
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xpath = @"/config/server/systemtype";
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SystemType = ReadEnum<SystemType>(confignode, xpath, SystemType.Ismeretlen);
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}
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catch (InvalidConfigurationException)
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{
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throw;
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}
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catch (Exception exception)
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{
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throw new InvalidConfigurationException(string.Format("Invalid configuration entry: {0}.", xpath), exception);
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}
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}
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#endregion
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#region Mezok
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string _logDbConnection;
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volatile int _sessionTimeout = 10;
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SystemType _systemType = SystemType.Ismeretlen;
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#endregion
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#region Tulajdonságok
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/// <summary>
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/// A kiszolgáló neve.
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/// </summary>
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public string ServerName { get; private set; }
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string dbconnection = null;
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/// <summary>
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/// Adatbáziskapcsolat-leíró karakterlánc.
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/// </summary>
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public string DBConnection
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{
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get
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{
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return dbconnection;
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}
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set
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{
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dbconnection = value;
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System.Data.SqlClient.SqlConnectionStringBuilder builder = new System.Data.SqlClient.SqlConnectionStringBuilder(dbconnection);
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DatabaseName = builder.InitialCatalog;
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}
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}
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public string GlobalDbConnection { get; set; }
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public string DatabaseName { get; set; }
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/// <summary>
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/// A kiszolgáló naplózási szintje.
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/// </summary>
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public LogLevel ServerLogLevel { get; private set; }
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/// <summary>
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/// A kiszolgáló alapértelmezett régiókódja.
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/// </summary>
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public int LCID { get; private set; }
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/// <summary>
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/// Munkamenet elévülési ideje, percben.
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/// </summary>
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public int SessionTimeout
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{
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get { return _sessionTimeout; }
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set { _sessionTimeout = value; }
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}
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/// <summary>
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/// Rendszer típus
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/// </summary>
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public SystemType SystemType
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{
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get { return _systemType; }
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set { _systemType = value; }
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}
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/// <summary>
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/// A konfiguráció, mint XML dokumentum.
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/// </summary>
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public XmlNode ConfigDocument { get; private set; }
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/// <summary>
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/// Az egy kérésben maximálisan megengedett felhozott rekordok száma.
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/// </summary>
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public int MaximalRecordCountPerRequest { get; set; }
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/// <summary>
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/// Naplózás konzolra.
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/// </summary>
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public bool LogToConsole { get; private set; }
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#endregion
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#region ILogConfig
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/// <summary>
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/// A kiszolgáló naplózási szintje.
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/// </summary>
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LogLevel ILogConfig.LogLevel { get { return ServerLogLevel; } }
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string ILogConfig.ConnectionString { get { return _logDbConnection; } }
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#endregion
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}
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}
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