public object Clone()
{
AjaxClass c = new AjaxClass();
c.Id = this.Id;
c.TypeString = this.TypeString;
return c;
}
public object Clone()
{
AjaxClass c = new AjaxClass();
c.Id = this.Id;
c.TypeString = this.TypeString;
return(c);
}
public AjaxMethod FindMethod(AjaxClass c, string methodName)
{
string cachekey = string.Format("{0}.{1}", c.Key, methodName);
if (_methodsCache.ContainsKey(cachekey))
return _methodsCache[cachekey];
foreach (AjaxMethod m in c.Methods)
{
if (string.Equals(m.MethodName, methodName))
{
_methodsCache[cachekey] = m;
return m;
}
}
throw new AjaxException("can't find ajax method. className:" + c.Key + " methodName: " + methodName);
}
public AjaxMethod FindMethod(AjaxClass c, string methodName)
{
string cachekey = string.Format("{0}.{1}", c.Key, methodName);
if (_methodsCache.ContainsKey(cachekey))
{
return(_methodsCache[cachekey]);
}
foreach (AjaxMethod m in c.Methods)
{
if (string.Equals(m.MethodName, methodName))
{
_methodsCache[cachekey] = m;
return(m);
}
}
throw new AjaxException("can't find ajax method. className:" + c.Key + " methodName: " + methodName);
}
private AjaxClass GetClass(XmlNode node)
{
AjaxClass c = new AjaxClass();
c.Id = XmlUtil.GetStringAttribute(node, "id", Guid.NewGuid().ToString());
c.TypeString = XmlUtil.GetStringAttribute(node, "type", string.Empty);
try
{
TypeRegistry.RegisterType(c.TypeString, c.TypeString);
}
catch (Exception ex)
{
throw new AjaxException("ajax config error. type:" + c.TypeString + " not found", ex);
}
foreach (XmlNode n in node.SelectNodes("ajax:method", nsmgr))
{
c.Methods.Add(GetMethod(n));
}
return(c);
}
private AjaxClass GetClass(XmlNode node)
{
AjaxClass c = new AjaxClass();
c.Id = XmlUtil.GetStringAttribute(node, "id", Guid.NewGuid().ToString());
c.TypeString = XmlUtil.GetStringAttribute(node, "type", string.Empty);
try
{
TypeRegistry.RegisterType(c.TypeString, c.TypeString);
}
catch (Exception ex)
{
throw new AjaxException("ajax config error. type:" + c.TypeString + " not found", ex);
}
foreach (XmlNode n in node.SelectNodes("ajax:method", nsmgr))
{
c.Methods.Add(GetMethod(n));
}
return c;
}
void proc()
{
JContext jc = JContext.Current;
HttpContext context = jc.Context;
// set a ajax request token
jc.IsAjaxRequest = true;
// get querystring
string qs = context.Request.Params["querystring"];
if (StringUtil.HasText(qs))
{
qs = qs.TrimStart('?');
jc.QueryString.Add(StringUtil.DelimitedEquation2NVCollection("&", qs));
}
if (context.Request.UrlReferrer != null)
{
UrlMappingModule module = UrlMappingModule.Instance;
if (module != null)
{
UrlMappingItem mapping = null;
jc.QueryString.Add(module.GetMappedQueryString(context.Request.UrlReferrer.AbsolutePath, out mapping));
if (mapping != null)
{
NavigationInfo navi = new NavigationInfo();
navi.Set(mapping, UrlMappingModule.GetUrlRequested(context.Request.UrlReferrer.AbsolutePath));
jc.Navigation = navi;
// fire url matched event
module.OnUrlMatched();
}
}
}
// set view data
UrlMappingModule.SetViewData();
string classId = context.Request.Params[CLASS_ID_PARAM];
string methodName = context.Request.Params[METHOD_NAME_PARAM];
string methodJsonArgs = context.Request.Params[METHOD_ARGS_PARAM];
string jsonp = context.Request.Params[JSONP];
object result;
int cacheMinutes = -1;
if (string.IsNullOrEmpty(classId) || string.IsNullOrEmpty(methodName))
{
result = "null";
}
else
{
AjaxConfiguration config = AjaxConfiguration.GetConfig();
AjaxMethod m = null;
try
{
string id = jc.Navigation.Id;
if (id.Contains(":"))
{
id = id.Substring(id.IndexOf(":") + 1);
}
AjaxClass c = config.FindClass(classId, id);
m = config.FindMethod(c, methodName);
if (string.Equals("Post", m.AjaxType, StringComparison.InvariantCultureIgnoreCase))
{
cacheMinutes = -1;
}
else if (StringUtil.HasText(m.CacheTest))
{
cacheMinutes = methodJsonArgs.Equals(m.CacheTest) ? cacheMinutes : -1;
}
// before execute
BeforeExecuteEventArgs e = new BeforeExecuteEventArgs()
{
JContext = jc, TypeName = c.Key, MethodName = m.MethodName
};
OnBeforeExecute(e);
if (e.PreventDefault)
{
result = e.ReturnValue;
goto response;
}
if (c.Type != null)
{
result = m.Invoke(c.Type, methodJsonArgs);
}
else
{
result = m.Invoke(c.TypeString, methodJsonArgs);
}
}
catch (Exception ex)
{
LogManager.GetLogger <AjaxController>().Error("ajax handler error." + ExceptionUtil.WriteException(ex));
AjaxServerException ajaxEx = null;
if (m != null)
{
ajaxEx = m.Exception;
}
if (ajaxEx != null)
{
result = ajaxEx.ToJson();
}
else
{
result = null;
}
}
}
goto response;
response:
OnAfterExecute(result);
ResponseUtil.OutputJson(context.Response, result, cacheMinutes, jsonp);
ContentType = context.Response.ContentType;
}
public void findAjaxMethods(IEnumerable<Type> types)
{
foreach (Type t in types)
{
AjaxClass ac = new AjaxClass();
ac.Id = "gAjax";
ac.Type = t;
foreach (MethodInfo mi in t.GetMethods(BindingFlags.Public | BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Instance))
{
object[] ajaxattrs = mi.GetCustomAttributes(typeof(AjaxMethodAttribute), true);
if (ajaxattrs != null && ajaxattrs.Length == 1)
{
AjaxMethodAttribute am = ajaxattrs[0] as AjaxMethodAttribute;
AjaxMethod ajaxMethod = new AjaxMethod();
ajaxMethod.MethodName = mi.Name;
ajaxMethod.AjaxType = am.Type.ToString();
ajaxMethod.CacheMinutes = am.CacheMinutes;
ajaxMethod.Exception = new AjaxServerException() { Action = am.OnExceptionAction, Parameter = am.OnExceptionParameter };
foreach (ParameterInfo param in mi.GetParameters())
{
string paramType = string.Empty;
if (param.ParameterType == typeof(long))
paramType = "long";
else if (param.ParameterType == typeof(int))
paramType = "int";
else if (param.ParameterType == typeof(double))
paramType = "double";
else if (param.ParameterType == typeof(bool))
paramType = "bool";
else if (param.ParameterType == typeof(string[]))
paramType = "strings";
else if (param.ParameterType == typeof(int[]))
paramType = "ints";
else
paramType = param.ParameterType.Name;
ajaxMethod.Params.Add(new AjaxParam() { ParamType = paramType, ParamName = param.Name });
}
ac.Methods.Add(ajaxMethod);
}
}
AjaxConfiguration.ControllerAjax[t] = ac;
}
}
private static void AppendClassScript(AjaxClass c, ref StringBuilder script)
{
script.AppendFormat("function {0}Class()", c.Id);
script.Append("{};");
script.AppendFormat("{0}Class.prototype=", c.Id);
script.Append("{");
for (int i = 0; i < c.Methods.Count; i++)
{
if (i > 0)
script.Append(",");
AppendMethodScript(c.Id, c.Methods[i], ref script);
}
script.Append("};");
script.AppendFormat("var {0}=new {0}Class();", c.Id);
}
