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//------------------------------------------------------------------------------
// <copyright file="WebReferencesBuildProvider.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Compilation {
using System;
using System.Globalization;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Collections.Specialized;
using System.Net;
using System.Xml.Serialization;
#if !FEATURE_PAL
using System.Web.Services.Description;
using System.Web.Services.Discovery;
#endif // !FEATURE_PAL
using System.Web.Hosting;
using System.Web.UI;
using System.Web.Util;
using Util=System.Web.UI.Util;
internal class WebReferencesBuildProvider: BuildProvider {
private VirtualDirectory _vdir;
private const string IndigoWebRefProviderTypeName = "System.Web.Compilation.WCFBuildProvider";
private static Type s_indigoWebRefProviderType;
private static bool s_triedToGetWebRefType;
internal WebReferencesBuildProvider(VirtualDirectory vdir) {
_vdir = vdir;
}
public override void GenerateCode(AssemblyBuilder assemblyBuilder) {
// Only attempt to get the Indigo provider once
if (!s_triedToGetWebRefType) {
s_indigoWebRefProviderType = BuildManager.GetType(IndigoWebRefProviderTypeName, false /*throwOnError*/);
s_triedToGetWebRefType = true;
}
// If we have an Indigo provider, instantiate it and forward the GenerateCode call to it
if (s_indigoWebRefProviderType != null) {
BuildProvider buildProvider = (BuildProvider)HttpRuntime.CreateNonPublicInstance(s_indigoWebRefProviderType);
buildProvider.SetVirtualPath(VirtualPathObject);
buildProvider.GenerateCode(assemblyBuilder);
}
// e.g "/MyApp/Application_WebReferences"
VirtualPath rootWebRefDirVirtualPath = HttpRuntime.WebRefDirectoryVirtualPath;
// e.g "/MyApp/Application_WebReferences/Foo/Bar"
string currentWebRefDirVirtualPath = _vdir.VirtualPath;
Debug.Assert(StringUtil.StringStartsWithIgnoreCase(
currentWebRefDirVirtualPath, rootWebRefDirVirtualPath.VirtualPathString));
string ns;
if (rootWebRefDirVirtualPath.VirtualPathString.Length == currentWebRefDirVirtualPath.Length) {
// If it's the root WebReferences dir, use the empty namespace
ns = String.Empty;
}
else {
// e.g. "Foo/Bar"
Debug.Assert(rootWebRefDirVirtualPath.HasTrailingSlash);
currentWebRefDirVirtualPath = UrlPath.RemoveSlashFromPathIfNeeded(currentWebRefDirVirtualPath);
currentWebRefDirVirtualPath = currentWebRefDirVirtualPath.Substring(
rootWebRefDirVirtualPath.VirtualPathString.Length);
// Split it into chunks separated by '/'
string[] chunks = currentWebRefDirVirtualPath.Split('/');
// Turn all the relevant chunks into valid namespace chunks
for (int i=0; i<chunks.Length; i++) {
chunks[i] = Util.MakeValidTypeNameFromString(chunks[i]);
}
// Put the relevant chunks back together to form the namespace
ns = String.Join(".", chunks);
}
#if !FEATURE_PAL // FEATURE_PAL does not support System.Web.Services
CodeNamespace codeNamespace = new CodeNamespace(ns);
// for each discomap file, read all references and add them to the WebReferenceCollection
WebReferenceCollection webs = new WebReferenceCollection();
bool hasDiscomap = false;
// Go through all the discomap in the directory
foreach (VirtualFile child in _vdir.Files) {
string extension = UrlPath.GetExtension(child.VirtualPath);
extension = extension.ToLower(CultureInfo.InvariantCulture);
if (extension == ".discomap") {
// NOTE: the WebReferences code requires physical path, so this feature
// cannot work with a non-file based VirtualPathProvider
string physicalPath = HostingEnvironment.MapPath(child.VirtualPath);
DiscoveryClientProtocol client = new DiscoveryClientProtocol();
client.AllowAutoRedirect = true;
client.Credentials = CredentialCache.DefaultCredentials;
client.ReadAll(physicalPath);
WebReference webRefTemp = new WebReference(client.Documents, codeNamespace);
//
string fileName = System.IO.Path.ChangeExtension(UrlPath.GetFileName(child.VirtualPath), null);
string appSetttingUrlKey = ns + "." + fileName;
WebReference web = new WebReference(client.Documents, codeNamespace, webRefTemp.ProtocolName, appSetttingUrlKey, null);
webs.Add(web);
hasDiscomap = true;
}
}
// If we didn't find any discomap files, we have nothing to generate
if (!hasDiscomap)
return;
CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
codeCompileUnit.Namespaces.Add(codeNamespace);
//public static StringCollection GenerateWebReferences(WebReferenceCollection webReferences, CodeDomProvider codeProvider, CodeCompileUnit codeCompileUnit, WebReferenceOptions options) {
WebReferenceOptions options = new WebReferenceOptions();
options.CodeGenerationOptions = CodeGenerationOptions.GenerateProperties | CodeGenerationOptions.GenerateNewAsync | CodeGenerationOptions.GenerateOldAsync;
options.Style = ServiceDescriptionImportStyle.Client;
options.Verbose = true;
StringCollection shareWarnings = ServiceDescriptionImporter.GenerateWebReferences(webs, assemblyBuilder.CodeDomProvider, codeCompileUnit, options);
// Add the CodeCompileUnit to the compilation
assemblyBuilder.AddCodeCompileUnit(this, codeCompileUnit);
#else // !FEATURE_PAL
return;
#endif // !FEATURE_PAL
}
}
}
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