/// <summary>
/// Retrieves the web asset by specified id.
/// </summary>
/// <param name="id">The id.</param>
/// <returns></returns>
public WebAsset Retrieve(string id)
{
MergedAsset mergedAsset = CreateMergedAssetFromConfiguration(id) ?? CreateMergedAssetFromUrl(id);
WebAssetHolder assetHolder = EnsureAsset(mergedAsset, id);
return(new WebAsset(assetHolder.Asset.ContentType, assetHolder.Asset.Version, assetHolder.Asset.Compress, assetHolder.Asset.CacheDurationInDays, assetHolder.Content));
}
/// <summary>
///
/// </summary>
/// <param name="asset"></param>
/// <param name="id"></param>
/// <returns></returns>
private WebAssetHolder EnsureAsset(MergedAsset asset, string id)
{
string key = "{0}:{1}".FormatWith(GetType().AssemblyQualifiedName, id);
WebAssetHolder assetHolder;
using (syncLock.ReadAndWrite())
{
assetHolder = GetWebAssetHolder(key);
if (assetHolder == null)
{
using (syncLock.Write())
{
assetHolder = GetWebAssetHolder(key);
if (assetHolder == null)
{
List <string> physicalPaths = new List <string>();
StringBuilder contentBuilder = new StringBuilder();
var files = asset.Directories
.SelectMany(d => d.Files.Select(f => new { Directory = d, File = f }))
.OrderBy(f => f.File.Order);
foreach (var pair in files)
{
string path = "~/" + pair.Directory.Path + "/" + pair.File.Name;
string virtualPath = assetLocator.Locate(path, asset.Version);
string fileContent = virtualPathProvider.ReadAllText(virtualPath);
if (string.Compare(asset.ContentType, "text/css", StringComparison.OrdinalIgnoreCase) == 0)
{
string baseDiretory = virtualPathProvider.GetDirectory(virtualPath);
fileContent = ReplaceImagePath(baseDiretory, asset.Version, fileContent);
}
contentBuilder.AppendLine(fileContent);
physicalPaths.Add(pathResolver.Resolve(virtualPath));
}
assetHolder = new WebAssetHolder {
Asset = asset, Content = contentBuilder.ToString()
};
cacheManager.Insert(key, assetHolder, null, physicalPaths.ToArray());
}
}
}
}
return(assetHolder);
}
private WebAssetHolder EnsureAsset(MergedAsset asset, string id)
{
string key = CreateKey(id);
WebAssetHolder assetHolder;
using (syncLock.ReadAndWrite())
{
assetHolder = cacheManager.GetItem(key) as WebAssetHolder;
if (assetHolder == null)
{
using (syncLock.Write())
{
assetHolder = cacheManager.GetItem(key) as WebAssetHolder;
if (assetHolder == null)
{
IEnumerable<string> items = asset.Directories
.SelectMany(d => d.Files.Select(f => new { f.Order, path = "~/" + d.Path + "/" + f.Name }))
.OrderBy(f => f.Order)
.Select(f => f.path);
List<string> physicalPaths = new List<string>();
StringBuilder contentBuilder = new StringBuilder();
foreach (string item in items)
{
string virtualPath = assetLocator.Locate(item);
string physicalPath = pathResolver.Resolve(virtualPath);
string fileContent = fileSystem.ReadAllText(physicalPath);
contentBuilder.AppendLine(fileContent);
physicalPaths.Add(physicalPath);
}
assetHolder = new WebAssetHolder { Asset = asset, Content = contentBuilder.ToString() };
cacheManager.Insert(key, assetHolder, null, physicalPaths.ToArray());
}
}
}
}
return assetHolder;
}
private WebAssetHolder EnsureAsset(MergedAsset asset, string id)
{
string key = "{0}:{1}".FormatWith(GetType().AssemblyQualifiedName, id);
WebAssetHolder assetHolder;
using (syncLock.ReadAndWrite())
{
assetHolder = GetWebAssetHolder(key);
if (assetHolder == null)
{
using (syncLock.Write())
{
assetHolder = GetWebAssetHolder(key);
if (assetHolder == null)
{
List<string> physicalPaths = new List<string>();
StringBuilder contentBuilder = new StringBuilder();
var files = asset.Directories
.SelectMany(d => d.Files.Select(f => new { Directory = d, File = f }))
.OrderBy(f => f.File.Order);
foreach (var pair in files)
{
string path = "~/" + pair.Directory.Path + "/" + pair.File.Name;
string virtualPath = assetLocator.Locate(path, asset.Version);
string fileContent = virtualPathProvider.ReadAllText(virtualPath);
if (string.Compare(asset.ContentType, "text/css", StringComparison.OrdinalIgnoreCase) == 0)
{
string baseDiretory = virtualPathProvider.GetDirectory(virtualPath);
fileContent = ReplaceImagePath(baseDiretory, fileContent);
}
contentBuilder.AppendLine(fileContent);
physicalPaths.Add(pathResolver.Resolve(virtualPath));
}
assetHolder = new WebAssetHolder { Asset = asset, Content = contentBuilder.ToString() };
cacheManager.Insert(key, assetHolder, null, physicalPaths.ToArray());
}
}
}
}
return assetHolder;
}