internal JsonServiceProxyGenerator(JsonServiceDescription service)
{
this.service = service;
if (!String.IsNullOrEmpty(service.Namespace))
{
this.serviceProxyName = service.Namespace+'.'+service.Name;
}
}
private void GenerateServiceProxyCode(AssemblyBuilder assemblyBuilder, Type serviceType)
{
IResourceNameGenerator nameGenerator = assemblyBuilder.CodeDomProvider as IResourceNameGenerator;
if (nameGenerator != null)
{
this.ResourceFullName = nameGenerator.GenerateResourceName(base.VirtualPath);
}
else
{
this.ResourceFullName = ResourceBuildProvider.GenerateTypeNameFromPath(base.VirtualPath);
}
// TODO: consolidate app relative path conversion
// calculate the service end-point path
string proxyPath = ResourceHandler.EnsureAppRelative(base.VirtualPath).TrimStart('~');
// build proxy from main service type
JsonServiceDescription desc = new JsonServiceDescription(serviceType, proxyPath);
JsonServiceProxyGenerator proxy = new JsonServiceProxyGenerator(desc);
string proxyOutput = proxy.OutputProxy(false);
proxyOutput = ScriptResourceCodeProvider.FirewallScript(proxyPath, proxyOutput, true);
string debugProxyOutput = proxy.OutputProxy(true);
debugProxyOutput = ScriptResourceCodeProvider.FirewallScript(proxyPath, debugProxyOutput, false);
byte[] gzippedBytes, deflatedBytes;
ResourceBuildProvider.Compress(proxyOutput, out gzippedBytes, out deflatedBytes);
string hash = ResourceBuildProvider.ComputeHash(proxyOutput);
// generate a service factory
CodeCompileUnit generatedUnit = new CodeCompileUnit();
#region namespace ResourceNamespace
CodeNamespace ns = new CodeNamespace(this.ResourceNamespace);
generatedUnit.Namespaces.Add(ns);
#endregion namespace ResourceNamespace
#region public sealed class ResourceTypeName : JsonServiceInfo
CodeTypeDeclaration resourceType = new CodeTypeDeclaration();
resourceType.IsClass = true;
resourceType.Name = this.ResourceTypeName;
resourceType.Attributes = MemberAttributes.Public|MemberAttributes.Final;
resourceType.BaseTypes.Add(typeof(IJsonServiceInfo));
resourceType.BaseTypes.Add(typeof(IOptimizedResult));
ns.Types.Add(resourceType);
#endregion public sealed class ResourceTypeName : CompiledBuildResult
#region [BuildPath(virtualPath)]
string virtualPath = base.VirtualPath;
if (HttpRuntime.AppDomainAppVirtualPath.Length > 1)
{
virtualPath = virtualPath.Substring(HttpRuntime.AppDomainAppVirtualPath.Length);
}
virtualPath = "~"+virtualPath;
CodeAttributeDeclaration attribute = new CodeAttributeDeclaration(
new CodeTypeReference(typeof(BuildPathAttribute)),
new CodeAttributeArgument(new CodePrimitiveExpression(virtualPath)));
resourceType.CustomAttributes.Add(attribute);
#endregion [BuildPath(virtualPath)]
#region private static readonly byte[] GzippedBytes
CodeMemberField field = new CodeMemberField();
field.Name = "GzippedBytes";
field.Type = new CodeTypeReference(typeof(byte[]));
field.Attributes = MemberAttributes.Private|MemberAttributes.Static|MemberAttributes.Final;
CodeArrayCreateExpression arrayInit = new CodeArrayCreateExpression(field.Type, gzippedBytes.Length);
foreach (byte b in gzippedBytes)
{
arrayInit.Initializers.Add(new CodePrimitiveExpression(b));
}
field.InitExpression = arrayInit;
resourceType.Members.Add(field);
#endregion private static static readonly byte[] GzippedBytes
#region private static readonly byte[] DeflatedBytes
field = new CodeMemberField();
field.Name = "DeflatedBytes";
field.Type = new CodeTypeReference(typeof(byte[]));
field.Attributes = MemberAttributes.Private|MemberAttributes.Static|MemberAttributes.Final;
arrayInit = new CodeArrayCreateExpression(field.Type, deflatedBytes.Length);
foreach (byte b in deflatedBytes)
{
arrayInit.Initializers.Add(new CodePrimitiveExpression(b));
}
field.InitExpression = arrayInit;
resourceType.Members.Add(field);
#endregion private static readonly byte[] DeflatedBytes
#region string IOptimizedResult.Source { get; }
// add a readonly property with the original resource source
CodeMemberProperty property = new CodeMemberProperty();
property.Name = "Source";
property.Type = new CodeTypeReference(typeof(String));
property.PrivateImplementationType = new CodeTypeReference(typeof(IOptimizedResult));
property.HasGet = true;
// get { return debugProxyOutput; }
property.GetStatements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(debugProxyOutput)));
resourceType.Members.Add(property);
#endregion string IOptimizedResult.Source { get; }
#region string IOptimizedResult.PrettyPrinted { get; }
// add a readonly property with the debug proxy code string
property = new CodeMemberProperty();
property.Name = "PrettyPrinted";
property.Type = new CodeTypeReference(typeof(String));
property.PrivateImplementationType = new CodeTypeReference(typeof(IOptimizedResult));
property.HasGet = true;
// get { return ((IOptimizedResult)this).Source; }
CodeExpression thisRef = new CodeCastExpression(typeof(IOptimizedResult), new CodeThisReferenceExpression());
CodePropertyReferenceExpression sourceProperty = new CodePropertyReferenceExpression(thisRef, "Source");
property.GetStatements.Add(new CodeMethodReturnStatement(sourceProperty));
resourceType.Members.Add(property);
#endregion string IOptimizedResult.PrettyPrinted { get; }
#region string IOptimizedResult.Compacted { get; }
// add a readonly property with the proxy code string
property = new CodeMemberProperty();
property.Name = "Compacted";
property.Type = new CodeTypeReference(typeof(String));
property.PrivateImplementationType = new CodeTypeReference(typeof(IOptimizedResult));
property.HasGet = true;
// get { return proxyOutput; }
property.GetStatements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(proxyOutput)));
resourceType.Members.Add(property);
#endregion string IOptimizedResult.Compacted { get; }
#region byte[] IOptimizedResult.Gzipped { get; }
// add a readonly property with the gzipped proxy code
property = new CodeMemberProperty();
property.Name = "Gzipped";
property.Type = new CodeTypeReference(typeof(byte[]));
property.PrivateImplementationType = new CodeTypeReference(typeof(IOptimizedResult));
property.HasGet = true;
// get { return GzippedBytes; }
property.GetStatements.Add(new CodeMethodReturnStatement(
new CodeFieldReferenceExpression(
new CodeTypeReferenceExpression(this.ResourceTypeName),
"GzippedBytes")));
resourceType.Members.Add(property);
#endregion byte[] IOptimizedResult.Gzipped { get; }
#region byte[] IOptimizedResult.Deflated { get; }
// add a readonly property with the deflated proxy code
property = new CodeMemberProperty();
property.Name = "Deflated";
property.Type = new CodeTypeReference(typeof(byte[]));
property.PrivateImplementationType = new CodeTypeReference(typeof(IOptimizedResult));
property.HasGet = true;
// get { return DeflatedBytes; }
property.GetStatements.Add(new CodeMethodReturnStatement(
new CodeFieldReferenceExpression(
new CodeTypeReferenceExpression(this.ResourceTypeName),
"DeflatedBytes")));
resourceType.Members.Add(property);
#endregion byte[] IOptimizedResult.Deflated { get; }
#region string IBuildResultMeta.Hash { get; }
// add a readonly property with the hash of the resource data
property = new CodeMemberProperty();
property.Name = "Hash";
property.Type = new CodeTypeReference(typeof(String));
property.PrivateImplementationType = new CodeTypeReference(typeof(IBuildResult));
property.HasGet = true;
// get { return hash; }
property.GetStatements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(hash)));
resourceType.Members.Add(property);
#endregion string IBuildResultMeta.Hash { get; }
#region string IBuildResultMeta.ContentType { get; }
// add a readonly property with the MIME of the resource data
property = new CodeMemberProperty();
property.Name = "ContentType";
property.Type = new CodeTypeReference(typeof(String));
property.PrivateImplementationType = new CodeTypeReference(typeof(IBuildResult));
property.HasGet = true;
// get { return ScriptResourceCodeProvider.MimeType; }
property.GetStatements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(ScriptResourceCodeProvider.MimeType)));
resourceType.Members.Add(property);
#endregion string IBuildResultMeta.ContentType { get; }
#region string IBuildResultMeta.FileExtension { get; }
// add a readonly property with the extension of the resource data
property = new CodeMemberProperty();
property.Name = "FileExtension";
property.Type = new CodeTypeReference(typeof(String));
property.PrivateImplementationType = new CodeTypeReference(typeof(IBuildResult));
property.HasGet = true;
// get { return ScriptResourceCodeProvider.FileExt; }
property.GetStatements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(ScriptResourceCodeProvider.FileExt)));
resourceType.Members.Add(property);
#endregion string IBuildResultMeta.FileExtension { get; }
#region public Type IJrpcServiceInfo.ServiceType { get; }
// add a static field with the service type
property = new CodeMemberProperty();
property.Name = "ServiceType";
property.Type = new CodeTypeReference(typeof(Type));
property.Attributes = MemberAttributes.Public;
property.ImplementationTypes.Add(new CodeTypeReference(typeof(IJsonServiceInfo)));
property.HasGet = true;
// get { return typeof(serviceType); }
property.GetStatements.Add(new CodeMethodReturnStatement(new CodeTypeOfExpression(serviceType.FullName)));
resourceType.Members.Add(property);
#endregion public Type IJrpcServiceInfo.ServiceType { get; }
#region object IJrpcServiceInfo.CreateService();
CodeMemberMethod codeMethod = new CodeMemberMethod();
codeMethod.Name = "CreateService";
codeMethod.PrivateImplementationType = new CodeTypeReference(typeof(IJsonServiceInfo));
codeMethod.ReturnType = new CodeTypeReference(typeof(Object));
// return new serviceType();
codeMethod.Statements.Add(new CodeMethodReturnStatement(new CodeObjectCreateExpression(serviceType)));
resourceType.Members.Add(codeMethod);
#endregion object IJrpcServiceInfo.CreateService();
#region MethodInfo IJrpcServiceInfo.ResolveMethodName(string name);
codeMethod = new CodeMemberMethod();
codeMethod.Name = "ResolveMethodName";
codeMethod.PrivateImplementationType = new CodeTypeReference(typeof(IJsonServiceInfo));
codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(typeof(String), "name"));
codeMethod.ReturnType = new CodeTypeReference(typeof(MethodInfo));
CodeVariableReferenceExpression nameParam = new CodeVariableReferenceExpression("name");
// if (String.IsNullOrEmpty(name)) { return null; }
CodeConditionStatement nullCheck = new CodeConditionStatement();
nullCheck.Condition = new CodeMethodInvokeExpression(new CodeTypeReferenceExpression(typeof(String)), "IsNullOrEmpty", nameParam);
nullCheck.TrueStatements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(null)));
codeMethod.Statements.Add(nullCheck);
Dictionary<string, MethodInfo> methodMap = JsonServiceBuildProvider.CreateMethodMap(serviceType);
foreach (string name in methodMap.Keys)
{
CodeConditionStatement nameTest = new CodeConditionStatement();
// if (String.Equals(name, methodName)) { ... }
nameTest.Condition = new CodeMethodInvokeExpression(new CodeTypeReferenceExpression(typeof(String)), "Equals", nameParam, new CodePrimitiveExpression(name));
// this.ServiceType
CodePropertyReferenceExpression serviceTypeRef = new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), "ServiceType");
// method name
CodePrimitiveExpression methodNameRef = new CodePrimitiveExpression(methodMap[name].Name);
// this.ServiceType.GetMethod(methodNameRef)
CodeMethodInvokeExpression methodInfoRef = new CodeMethodInvokeExpression(serviceTypeRef, "GetMethod", methodNameRef);
// return MethodInfo;
nameTest.TrueStatements.Add(new CodeMethodReturnStatement(methodInfoRef));
codeMethod.Statements.Add(nameTest);
}
codeMethod.Statements.Add(new CodeMethodReturnStatement(new CodePrimitiveExpression(null)));
resourceType.Members.Add(codeMethod);
#endregion MethodInfo IJrpcServiceInfo.ResolveMethodName(string name);
#region string[] IJrpcServiceInfo.GetMethodParams(string name);
codeMethod = new CodeMemberMethod();
codeMethod.Name = "GetMethodParams";
codeMethod.PrivateImplementationType = new CodeTypeReference(typeof(IJsonServiceInfo));
codeMethod.Parameters.Add(new CodeParameterDeclarationExpression(typeof(String), "name"));
codeMethod.ReturnType = new CodeTypeReference(typeof(String[]));
CodeVariableReferenceExpression nameParam2 = new CodeVariableReferenceExpression("name");
// if (String.IsNullOrEmpty(name)) { return new string[0]; }
CodeConditionStatement nullCheck2 = new CodeConditionStatement();
nullCheck2.Condition = new CodeMethodInvokeExpression(new CodeTypeReferenceExpression(typeof(String)), "IsNullOrEmpty", nameParam);
nullCheck2.TrueStatements.Add(new CodeMethodReturnStatement(new CodeArrayCreateExpression(typeof(String[]), 0)));
codeMethod.Statements.Add(nullCheck2);
foreach (MethodInfo method in methodMap.Values)
{
string[] paramMap = JsonServiceBuildProvider.CreateParamMap(method);
if (paramMap.Length < 1)
continue;
CodeConditionStatement nameTest = new CodeConditionStatement();
// if (String.Equals(name, method.Name)) { ... }
nameTest.Condition = new CodeMethodInvokeExpression(new CodeTypeReferenceExpression(typeof(String)), "Equals", nameParam2, new CodePrimitiveExpression(method.Name));
// = {...}
CodePrimitiveExpression[] paramList = new CodePrimitiveExpression[paramMap.Length];
for (int i=0; i<paramMap.Length; i++)
{
paramList[i] = new CodePrimitiveExpression(paramMap[i]);
}
// new string[] = {...}
CodeArrayCreateExpression paramArray = new CodeArrayCreateExpression(typeof(String[]), paramList);
// return string[];
nameTest.TrueStatements.Add(new CodeMethodReturnStatement(paramArray));
codeMethod.Statements.Add(nameTest);
}
codeMethod.Statements.Add(new CodeMethodReturnStatement(new CodeArrayCreateExpression(typeof(String[]), 0)));
resourceType.Members.Add(codeMethod);
#endregion string[] IJrpcServiceInfo.GetMethodParams(string name);
if (this.VirtualPathDependencies.Count > 0)
{
resourceType.BaseTypes.Add(typeof(IDependentResult));
#region private static readonly string[] Dependencies
field = new CodeMemberField();
field.Name = "Dependencies";
field.Type = new CodeTypeReference(typeof(string[]));
field.Attributes = MemberAttributes.Private|MemberAttributes.Static|MemberAttributes.Final;
arrayInit = new CodeArrayCreateExpression(field.Type, this.VirtualPathDependencies.Count);
foreach (string key in this.VirtualPathDependencies)
{
arrayInit.Initializers.Add(new CodePrimitiveExpression(key));
}
field.InitExpression = arrayInit;
resourceType.Members.Add(field);
#endregion private static readonly string[] Dependencies
#region IEnumerable<string> IDependentResult.VirtualPathDependencies { get; }
// add a readonly property returning the static data
property = new CodeMemberProperty();
property.Name = "VirtualPathDependencies";
property.Type = new CodeTypeReference(typeof(IEnumerable<string>));
property.PrivateImplementationType = new CodeTypeReference(typeof(IDependentResult));
property.HasGet = true;
// get { return Dependencies; }
property.GetStatements.Add(new CodeMethodReturnStatement(
new CodeFieldReferenceExpression(
new CodeTypeReferenceExpression(resourceType.Name),
"Dependencies")));
resourceType.Members.Add(property);
#endregion IEnumerable<string> IDependentResult.VirtualPathDependencies { get; }
}
// Generate _ASP FastObjectFactory
assemblyBuilder.GenerateTypeFactory(this.ResourceFullName);
assemblyBuilder.AddCodeCompileUnit(this, generatedUnit);
}