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86 lines
3.0 KiB
86 lines
3.0 KiB
using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Rssdp.Infrastructure
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{
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/// <summary>
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/// Correclty implements the <see cref="IDisposable"/> interface and pattern for an object containing only managed resources, and adds a few common niceities not on the interface such as an <see cref="IsDisposed"/> property.
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/// </summary>
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public abstract class DisposableManagedObjectBase : IDisposable
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{
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#region Public Methods
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/// <summary>
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/// Override this method and dispose any objects you own the lifetime of if disposing is true;
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/// </summary>
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/// <param name="disposing">True if managed objects should be disposed, if false, only unmanaged resources should be released.</param>
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protected abstract void Dispose(bool disposing);
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/// <summary>
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/// Throws and <see cref="ObjectDisposedException"/> if the <see cref="IsDisposed"/> property is true.
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/// </summary>
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/// <seealso cref="IsDisposed"/>
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/// <exception cref="ObjectDisposedException">Thrown if the <see cref="IsDisposed"/> property is true.</exception>
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/// <seealso cref="Dispose()"/>
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protected virtual void ThrowIfDisposed()
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{
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if (this.IsDisposed) throw new ObjectDisposedException(this.GetType().FullName);
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}
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#endregion
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#region Public Properties
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/// <summary>
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/// Sets or returns a boolean indicating whether or not this instance has been disposed.
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/// </summary>
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/// <seealso cref="Dispose()"/>
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public bool IsDisposed
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{
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get;
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private set;
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}
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#endregion
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public string BuildMessage(string header, Dictionary<string, string> values)
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{
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var builder = new StringBuilder();
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const string argFormat = "{0}: {1}\r\n";
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builder.AppendFormat("{0}\r\n", header);
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foreach (var pair in values)
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{
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builder.AppendFormat(argFormat, pair.Key, pair.Value);
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}
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builder.Append("\r\n");
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return builder.ToString();
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}
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#region IDisposable Members
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/// <summary>
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/// Disposes this object instance and all internally managed resources.
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/// </summary>
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/// <remarks>
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/// <para>Sets the <see cref="IsDisposed"/> property to true. Does not explicitly throw an exception if called multiple times, but makes no promises about behaviour of derived classes.</para>
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/// </remarks>
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/// <seealso cref="IsDisposed"/>
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1063:ImplementIDisposableCorrectly", Justification = "We do exactly as asked, but CA doesn't seem to like us also setting the IsDisposed property. Too bad, it's a good idea and shouldn't cause an exception or anything likely to interfer with the dispose process.")]
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public void Dispose()
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{
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IsDisposed = true;
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Dispose(true);
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}
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#endregion
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}
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}
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