using IStation.Epanet.Enums;
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namespace IStation.Epanet
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{
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///<summary>Epanet exception codes handler.</summary>
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public class EnException : Exception
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{
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///<summary>Array of arguments to be used in the error string creation.</summary>
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private readonly object[] _arguments;
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///<summary>Epanet error code.</summary>
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protected readonly ErrorCode _code;
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/// <summary>Get error code.</summary>
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/// <value>Code id.</value>
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public ErrorCode Code => _code;
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///<summary>Constructor from error code id.</summary>
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///<param name="code">Error code id.</param>
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public EnException(ErrorCode code)
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{
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_arguments = null;
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_code = code;
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}
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/// <summary>Constructor from error code id and multiple arguments.</summary>
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/// <param name="code">Error code id.</param>
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/// <param name="arg">Extra arguments.</param>
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///
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public EnException(ErrorCode code, params object[] arg)
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{
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_code = code;
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_arguments = arg;
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}
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/// <summary>Constructor from error code id and inner exception.</summary>
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/// <param name="code">Error code id.</param>
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/// <param name="innerException"></param>
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///
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public EnException(ErrorCode code, Exception innerException)
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: base(null, innerException)
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{
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_code = code;
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}
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///<summary>Handles the exception string conversion.</summary>
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/// <returns>Final error string.</returns>
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public override string Message
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{
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get
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{
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string format;
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try
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{
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format = _code.GetMsg();
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}
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catch (Exception)
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{
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format = null;
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}
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if (format == null)
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return string.Format("Unknown error message ({0})", _code);
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return _arguments != null ? string.Format(format, _arguments) : format;
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}
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}
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}
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}
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