Reuse types in current assembly for WCF Proxies

Question

VS WCF integration has nice option \"Reuse types in refrenced assemblies\". The problem is that I need the same but for the current assembly. Some of the types are already d

Answer 1

I had the same problem, whereby I wanted a test harness to point to a couple of services. Each service would have datacontracts in common.

What needs to be done:

1. Use svcutil with /t:metadata on each url.
2. Rename all the generated files with something unique for the service (e.g. Rename lala.xsd to 1_lala.xsd)
3. Copy all generated files to a single location
4. Use svcutil with *.xsd .wsdl /out:output.cs /namespace:,MySpecialNamespace to generate ALL service contracts and datacontracts to a single file.

If you want to be crafty: use the following T4 template:

<#@ template language="C#v4.0" hostspecific="True"#>
<#@ import namespace="System.Diagnostics" #>
<#@ import namespace="System.IO" #>
<#=GetGeneratedCode(
"http://localhost/Service/Service1.svc",
"http://localhost/Service/Service2.svc",
"http://localhost/Service/Service3.svc",
"http://localhost/Service/Service4.svc"
)#>
<#+
const string _svcutil = @"C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin\svcutil.exe";

private string GetGeneratedCode(params string[] urls)
{
    var tmp = GetTemporaryDirectory();
    foreach (var url in urls)
    {
        GetMetadata(url, tmp);
    }

    RunSvcutil(tmp, "*.wsdl *.xsd /out:output.cs /namespace:*," +     Path.GetFileNameWithoutExtension(Host.TemplateFile));
    var result = File.ReadAllText(Path.Combine(tmp, "output.cs"));
    return result;
}

private static void RunSvcutil(string workingFolder, string arguments)
{
    var processInfo = new ProcessStartInfo(_svcutil);
    processInfo.Arguments = arguments;
    processInfo.WorkingDirectory = workingFolder;

    var p = Process.Start(processInfo);
    p.WaitForExit();
}

private static void GetMetadata(string url, string destination)
{
    var workingFolder = GetTemporaryDirectory();
    RunSvcutil(workingFolder, string.Format("/t:metadata \"{0}\"", url));

    foreach (var filename in Directory.GetFiles(workingFolder))
    {
        File.Copy(filename, Path.Combine(destination,     Path.GetFileNameWithoutExtension(url) + "_" +  Path.GetFileName(filename)));
    }
}

private static string GetTemporaryDirectory()
{
    string tempDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
    Directory.CreateDirectory(tempDirectory);
    return tempDirectory;
}
#>