46 lines
1.6 KiB
C#
46 lines
1.6 KiB
C#
10 years ago
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using System;
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using System.Configuration;
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using System.Reflection;
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using System.Collections.Specialized;
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using SalesCatalog.Configuration;
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namespace SalesCatalog
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{
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/// <summary>
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/// Catalog helper.
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/// Used by the catalog manager to get the catalog provider from the configuration.
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/// </summary>
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public static class CatalogHelper
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{
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public static CatalogProvider GetProvider ()
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{
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CatalogProvidersConfigurationSection config = ConfigurationManager.GetSection ("system.web/catalog") as CatalogProvidersConfigurationSection;
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if (config == null)
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throw new ConfigurationErrorsException("The configuration bloc for the catalog provider was not found");
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CatalogProviderConfigurationElement celt =
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config.Providers.GetElement (config.DefaultProvider);
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if (celt == null)
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throw new ConfigurationErrorsException("The default catalog provider was not found");
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Type catprtype = Type.GetType (celt.Type);
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if (catprtype == null)
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throw new Exception (
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string.Format("The catalog provider type ({0}) could not be found",celt.Type));
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ConstructorInfo ci = catprtype.GetConstructor (Type.EmptyTypes);
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if (ci==null)
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throw new Exception (
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string.Format("The catalog provider type ({0}) doesn't contain public constructor with empty parameter list",celt.Type));
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CatalogProvider cp = ci.Invoke (Type.EmptyTypes) as CatalogProvider;
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NameValueCollection c = new NameValueCollection ();
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c.Add ("name", celt.Name);
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c.Add ("type", celt.Type);
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c.Add ("connection", celt.Connection);
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c.Add ("description", celt.Description);
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c.Add ("applicationName", celt.ApplicationName);
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cp.Initialize (celt.Name, c);
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return cp;
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}
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}
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}
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