using System;
using System.Globalization;
using System.Reflection;
using System.Resources;
using Microsoft.SqlServer.Dac.CodeAnalysis;
namespace TSQLSmellSCA
{
/// <summary>
/// This is an example of a localized export attribute. These can be very useful in the case where
/// you need localized resource strings for things like the display name and description of a rule.
///
/// All of the export attributes provided by the DAC API can be localized, and internally a very
/// similar structure is used. If you do not need to perform localization of any resources it's easier to use the
/// <see cref="ExportCodeAnalysisRuleAttribute"/> directly.
///
/// </summary>
internal sealed class LocalizedExportCodeAnalysisRuleAttribute : ExportCodeAnalysisRuleAttribute
{
public string ResourceBaseName { get; }
public string DisplayNameResourceId { get; }
public string DescriptionResourceId { get; }
private ResourceManager resourceManager;
private string displayName;
private string descriptionValue;
public LocalizedExportCodeAnalysisRuleAttribute(
string id,
string resourceBaseName,
string displayNameResourceId,
string descriptionResourceId)
: base(id, null)
{
ResourceBaseName = resourceBaseName;
DisplayNameResourceId = displayNameResourceId;
DescriptionResourceId = displayNameResourceId; // descriptionResourceId;
}
public Assembly GetAssembly()
{
return GetType().Assembly;
}
private void EnsureResourceManagerInitialized()
{
var resourceAssembly = GetAssembly();
try
{
resourceManager = new ResourceManager(ResourceBaseName, resourceAssembly);
}
catch (Exception ex)
{
var msg = string.Format(CultureInfo.CurrentCulture, Resources.CannotCreateResourceManager, ResourceBaseName, resourceAssembly);
throw new RuleException(msg, ex);
}
}
private string GetResourceString(string resourceId)
{
if (string.IsNullOrWhiteSpace(resourceId))
{
return string.Empty;
}
EnsureResourceManagerInitialized();
return resourceManager.GetString(resourceId, CultureInfo.CurrentUICulture);
}
/// <summary>
/// Overrides the standard DisplayName and looks up its value inside a resources file
/// </summary>
public override string DisplayName
{
get
{
if (displayName == null)
{
displayName = GetResourceString(DisplayNameResourceId);
}
return displayName;
}
}
/// <summary>
/// Overrides the standard Description and looks up its value inside a resources file
/// </summary>
public override string Description
{
get
{
if (descriptionValue == null)
{
// Using the descriptionResourceId as the key for looking up the description in the resources file.
descriptionValue = GetResourceString(DescriptionResourceId);
}
return descriptionValue;
}
}
}
}
