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WebExternalDependencyBase.cs
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WebExternalDependencyBase.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
namespace TheOthers
{
/// <summary>
/// A base IExternalDependency's implementation which check a HTTP status code of a web resource.
/// </summary>
public class WebExternalDependencyBase : ExternalDependencyBase
{
private string m_url;
private HttpStatusCode m_expectedStatusCode;
/// <summary>
/// Initializes a new instance of the <see cref="TheOthers.WebExternalDependencyBase"/> class.
/// </summary>
/// <param name="name">The external dependency name.</param>
/// <param name="url">The web resource url.</param>
/// <param name="expectedStatusCode">The expected HTTP status code.</param>
protected WebExternalDependencyBase(string name, string url, HttpStatusCode expectedStatusCode)
: base(name)
{
m_url = url;
m_expectedStatusCode = expectedStatusCode;
}
/// <summary>
/// Performs the check status.
/// </summary>
/// <returns>The check status.</returns>
protected internal override ExternalDependencyStatus PerformCheckStatus()
{
var result = new ExternalDependencyStatus();
var request = (HttpWebRequest)HttpWebRequest.Create(m_url);
var response = (HttpWebResponse)request.GetResponse();
if (response.StatusCode == m_expectedStatusCode)
{
result.IsFailing = false;
}
else
{
result.IsFailing = true;
result.Description = $"Expected HTTP status code was '{m_expectedStatusCode}', but the url '{m_url}' returns a status '{response.StatusCode}'.";
}
return result;
}
}
}