/// <summary>
/// Initializes a new instance of the class.
/// </summary>
/// <param name="assetType">Type of the asset.</param>
/// <param name="assets">The assets.</param>
public WebAssetItemCollectionBuilder(WebAssetType assetType, WebAssetItemCollection assets)
{
if (assetType == WebAssetType.None)
{
throw new ArgumentException("None is only used for internal purpose", "assets");
}
_assetType = assetType;
_assets = assets;
}
/// <summary>
/// Merges the specified assets.
/// </summary>
/// <param name="contentType">Type of the content.</param>
/// <param name="assetHandlerPath">The asset handler path.</param>
/// <param name="isSecured">if set to <c>true</c> [is secure].</param>
/// <param name="canCompress">if set to <c>true</c> [can compress].</param>
/// <param name="assets">The assets.</param>
/// <returns>The collection of web asset paths.</returns>
public IList <string> Merge(string contentType, string assetHandlerPath, bool isSecured, bool canCompress, WebAssetItemCollection assets)
{
// If the instance object is null.
if (contentType == null)
{
throw new System.ArgumentNullException("contentType");
}
if (assetHandlerPath == null)
{
throw new System.ArgumentNullException("assetHandlerPath");
}
if (assets == null)
{
throw new System.ArgumentNullException("assets");
}
IList <string> mergedList = new List <string>();
Func <string, string, string> getRelativePath = (source, version) => _urlResolver.Resolve(_assetRegistry.Locate(source, version));
Action <WebAssetItemGroup> processGroup = group =>
{
if (group.Combined)
{
string id = _assetRegistry.Store(contentType, group);
string virtualPath = "{0}?{1}={2}".FormatWith(assetHandlerPath, _urlEncoder.Encode(WebAssetHttpHandler.IdParameterName), _urlEncoder.Encode(id));
string relativePath = _urlResolver.Resolve(virtualPath);
if (!mergedList.Contains(relativePath, StringComparer.OrdinalIgnoreCase))
{
mergedList.Add(relativePath);
}
}
else
{
group.Items.Each(i =>
{
if (!mergedList.Contains(i.Source, StringComparer.OrdinalIgnoreCase))
{
mergedList.Add(getRelativePath(i.Source, group.Version));
}
});
}
};
if (!assets.IsEmpty())
{
foreach (IWebAssetItem asset in assets)
{
WebAssetItem item = asset as WebAssetItem;
WebAssetItemGroup itemGroup = asset as WebAssetItemGroup;
if (item != null)
{
mergedList.Add(getRelativePath(item.Source, null));
}
else if (itemGroup != null)
{
WebAssetItemGroup frameworkGroup = null;
if ((frameworkGroup != null) && !frameworkGroup.Items.IsEmpty())
{
processGroup(frameworkGroup);
}
if (!itemGroup.Items.IsEmpty())
{
processGroup(itemGroup);
}
}
}
}
// Return the list.
return(mergedList.ToList());
}