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using System;
using System.Collections.Generic;
using System.IO;
using System.Web;
using System.Linq;
using System.Web.Hosting;
using Signum.Utilities;
using System.Reflection;
using System.Resources;
using System.Globalization;
using System.Collections.Concurrent;
using System.Collections;
using System.Text;
using System.Web.Mvc;
namespace Signum.Web.PortableAreas
{
public class EmbeddedFilesRepository: IFileRepository
{
public readonly Assembly Assembly;
readonly string namespaceName;
public readonly string VirtualPath;
readonly Dictionary<string, string> resources;
public EmbeddedFilesRepository(Assembly assembly, string areaName) :
this(assembly, "~/" + areaName + "/", assembly.GetName().Name + "." + areaName.Replace("/", "."))
{
}
public EmbeddedFilesRepository(Assembly assembly, string virtualPath, string namespaceName)
{
if (assembly == null)
throw new ArgumentNullException("assembly");
if (string.IsNullOrEmpty(virtualPath))
throw new ArgumentNullException("virtualPath");
if (string.IsNullOrEmpty(namespaceName))
throw new ArgumentNullException("namespaceName");
this.Assembly = assembly;
this.VirtualPath = virtualPath.ToLower();
this.namespaceName = namespaceName.ToLower();
resources = this.Assembly.GetManifestResourceNames()
.Where(name => name.StartsWith(namespaceName + ".", StringComparison.InvariantCultureIgnoreCase))
.ToDictionary(name => name.Substring(namespaceName.Length + 1), StringComparer.InvariantCultureIgnoreCase);
}
public ActionResult GetFile(string file)
{
string resourceName = GetResourceName(file);
if (resourceName == null)
throw new FileNotFoundException("{0} does not belong to this repository".Formato(file));
string actualResourceName = resources.TryGetC(resourceName);
if (actualResourceName == null)
throw new FileNotFoundException("{0} not found".Formato(file));
return new StaticContentResult(this.Assembly.GetManifestResourceStream(actualResourceName).ReadAllBytes(), file);
}
public bool FileExists(string file)
{
string resourceName = GetResourceName(file);
return resourceName != null && resources.ContainsKey(resourceName);
}
private string GetResourceName(string file)
{
file = VirtualPathUtility.ToAppRelative(file).ToLower();
if (!file.StartsWith(VirtualPath))
return null;
return file.Substring(VirtualPath.Length).Replace("/", ".");
}
public bool IsEmpty { get { return this.resources.IsEmpty(); } }
public override string ToString()
{
return "EmbeddedResources {0} -> {1}".Formato(namespaceName, VirtualPath);
}
}
}
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I'm Computer Scientist, one of the founders of Signum Software, and the lead developer behind Signum Framework.
www.signumframework.com
I love programming in C#, Linq, Compilers, Algorithms, Functional Programming, Computer Graphics, Maths...