/// <summary>
/// Converts an JSON string into an NET object.
/// </summary>
/// <param name="json">The JSON string representation.</param>
/// <param name="type">The type to convert the string to.</param>
/// <returns>Returns a .NET object.</returns>
/// <example>
/// using System;
/// using AjaxPro;
/// namespace Demo
/// {
/// public class WebForm1 : System.Web.UI.Page
/// {
/// private void Page_Load(object sender, System.EventArgs e)
/// {
/// string json = "[1,2,3,4,5,6]";
/// object o = JavaScriptDeserializer.Deserialize(json, typeof(int[]);
/// if(o != null)
/// {
/// foreach(int i in (int[])o)
/// {
/// Response.Write(i.ToString());
/// }
/// }
/// }
/// }
/// }
/// </example>
public static object DeserializeFromJson(string json, Type type)
{
JSONParser p = new JSONParser();
IJavaScriptObject o = p.GetJSONObject(json);
return(JavaScriptDeserializer.Deserialize(o, type));
}
/// <summary>
/// Converts an IJavaScriptObject into an NET object.
/// </summary>
/// <param name="o">The IJavaScriptObject object to convert.</param>
/// <param name="t"></param>
/// <returns>Returns a .NET object.</returns>
public override object Deserialize(IJavaScriptObject o, Type t)
{
#if (!JSONLIB)
if (!Utility.Settings.OldStyle.Contains("allowNumberBooleanAsString"))
#endif
{
if (o is JavaScriptNumber)
{
return(JavaScriptDeserializer.Deserialize(o, typeof(Int64)));
}
else if (o is JavaScriptBoolean)
{
return(JavaScriptDeserializer.Deserialize(o, typeof(Boolean)));
}
}
if (t == typeof(char))
{
string s = o.ToString();
if (s.Length == 0)
{
return('\0');
}
return(s[0]);
}
return(o.ToString());
}
/// <summary>
/// HTMLs the control from string.
/// </summary>
/// <param name="html">The HTML.</param>
/// <param name="type">The type.</param>
/// <returns></returns>
internal static HtmlControl HtmlControlFromString(string html, Type type)
{
if (!typeof(HtmlControl).IsAssignableFrom(type))
{
throw new InvalidCastException("The target type is not a HtmlControlType");
}
JavaScriptDeserializer.ThrowExceptionIfNotCustomTypeDeserializationAllowed(type);
html = AddRunAtServer(html, (Activator.CreateInstance(type) as HtmlControl).TagName);
if (type.IsAssignableFrom(typeof(HtmlSelect)))
{
html = CorrectAttributes(html);
}
Control o = HtmlControlConverterHelper.Parse(html);
if (o.GetType() == type)
{
return(o as HtmlControl);
}
else
{
foreach (Control con in o.Controls)
{
if (con.GetType() == type)
{
return(con as HtmlControl);
}
}
}
return(null);
}
/// <summary>
/// Deserializes the custom object.
/// </summary>
/// <param name="o">The o.</param>
/// <param name="type">The type.</param>
/// <returns></returns>
internal static object DeserializeCustomObject(JavaScriptObject o, Type type)
{
object c = Activator.CreateInstance(type);
MemberInfo[] members = type.GetMembers(BindingFlags.GetField | BindingFlags.GetProperty | BindingFlags.Public | BindingFlags.Instance);
foreach (MemberInfo memberInfo in members)
{
if (memberInfo.MemberType == MemberTypes.Field)
{
if (o.Contains(memberInfo.Name))
{
FieldInfo fieldInfo = (FieldInfo)memberInfo;
fieldInfo.SetValue(c, JavaScriptDeserializer.Deserialize((IJavaScriptObject)o[fieldInfo.Name], fieldInfo.FieldType));
}
}
else if (memberInfo.MemberType == MemberTypes.Property)
{
if (o.Contains(memberInfo.Name))
{
PropertyInfo propertyInfo = (PropertyInfo)memberInfo;
if (propertyInfo.CanWrite)
{
propertyInfo.SetValue(c, JavaScriptDeserializer.Deserialize((IJavaScriptObject)o[propertyInfo.Name], propertyInfo.PropertyType), new object[0]);
}
}
}
}
return(c);
}
/// <summary>
/// Converts an IJavaScriptObject into an NET object.
/// </summary>
/// <param name="o">The IJavaScriptObject object to convert.</param>
/// <param name="t"></param>
/// <returns>Returns a .NET object.</returns>
public override object Deserialize(IJavaScriptObject o, Type t)
{
JavaScriptObject ht = o as JavaScriptObject;
if (ht == null)
{
throw new NotSupportedException();
}
if (!ht.Contains("Columns") || !(ht["Columns"] is JavaScriptArray) ||
!ht.Contains("Rows") || !(ht["Rows"] is JavaScriptArray))
{
throw new NotSupportedException();
}
JavaScriptArray columns = (JavaScriptArray)ht["Columns"];
JavaScriptArray rows = (JavaScriptArray)ht["Rows"];
DataTable dt = new DataTable();
DataRow row = null;
Type colType;
JavaScriptArray column;
if (ht.Contains("TableName") && ht["TableName"] is JavaScriptString)
{
dt.TableName = ht["TableName"].ToString();
}
for (int i = 0; i < columns.Count; i++)
{
column = (JavaScriptArray)columns[i];
colType = Type.GetType(column[1].ToString(), true);
dt.Columns.Add(column[0].ToString(), colType);
}
JavaScriptArray cols = null;
object obj;
for (int y = 0; y < rows.Count; y++)
{
// if(!(r is JavaScriptArray))
// continue;
cols = (JavaScriptArray)rows[y];
row = dt.NewRow();
for (int i = 0; i < cols.Count; i++)
{
//row[i] = JavaScriptDeserializer.Deserialize((IJavaScriptObject)cols[i], dt.Columns[i].DataType);
obj = JavaScriptDeserializer.Deserialize((IJavaScriptObject)cols[i], dt.Columns[i].DataType);
row[i] = (obj == null) ? DBNull.Value : obj;
}
dt.Rows.Add(row);
}
return(dt);
}
/// <summary>
/// Converts an IJavaScriptObject into an NET object.
/// </summary>
/// <param name="o">The IJavaScriptObject object to convert.</param>
/// <param name="t"></param>
/// <returns>Returns a .NET object.</returns>
public override object Deserialize(IJavaScriptObject o, Type t)
{
if (!AjaxPro.Utility.Settings.OldStyle.Contains("renderJsonCompliant"))
{
if (!(o is JavaScriptArray))
{
throw new NotSupportedException();
}
JavaScriptArray a = (JavaScriptArray)o;
for (int i = 0; i < a.Count; i++)
{
if (!(a[i] is JavaScriptArray))
{
throw new NotSupportedException();
}
}
IDictionary d = (IDictionary)Activator.CreateInstance(t);
object key;
object value;
JavaScriptArray aa;
for (int i = 0; i < a.Count; i++)
{
aa = (JavaScriptArray)a[i];
Type keyType = Type.GetType(((JavaScriptString)aa[2]).ToString());
Type valueType = Type.GetType(((JavaScriptString)aa[3]).ToString());
JavaScriptDeserializer.ThrowExceptionIfNotCustomTypeDeserializationAllowed(keyType);
JavaScriptDeserializer.ThrowExceptionIfNotCustomTypeDeserializationAllowed(valueType);
key = JavaScriptDeserializer.Deserialize((IJavaScriptObject)aa[0], keyType);
value = JavaScriptDeserializer.Deserialize((IJavaScriptObject)aa[1], valueType);
d.Add(key, value);
}
return(d);
}
if (!(o is JavaScriptObject))
{
throw new NotSupportedException();
}
JavaScriptObject oa = (JavaScriptObject)o;
IDictionary od = (IDictionary)Activator.CreateInstance(t);
foreach (string key in oa.Keys)
{
od.Add(key, JavaScriptDeserializer.Deserialize(oa[key], typeof(string)));
}
return(od);
}
/// <summary>
/// Retreives the parameters.
/// </summary>
/// <returns></returns>
public override object[] RetreiveParameters()
{
ParameterInfo[] pi = method.GetParameters();
object[] args = new object[pi.Length];
// initialize default values
for (int i = 0; i < pi.Length; i++)
{
args[i] = pi[i].DefaultValue;
}
string v = context.Request["data"];
// If something went wrong or there are no arguments
// we can return with the empty argument array.
if (v == null || pi.Length == 0 || v == "{}")
{
return(args);
}
if (context.Request.ContentEncoding != System.Text.Encoding.UTF8)
{
v = System.Text.Encoding.UTF8.GetString(context.Request.ContentEncoding.GetBytes(v));
}
hashCode = v.GetHashCode();
// check if we have to decrypt the JSON string.
if (Utility.Settings != null && Utility.Settings.Security != null)
{
v = Utility.Settings.Security.SecurityProvider.Decrypt(v);
}
context.Items.Add(Constant.AjaxID + ".JSON", v);
JavaScriptObject jso = (JavaScriptObject)JavaScriptDeserializer.DeserializeFromJson(v, typeof(JavaScriptObject));
for (int i = 0; i < pi.Length; i++)
{
//if (pi[i].ParameterType.IsAssignableFrom(jso[pi[i].Name].GetType()))
//{
// args[i] = jso[pi[i].Name];
//}
//else
{
args[i] = JavaScriptDeserializer.Deserialize((IJavaScriptObject)jso[pi[i].Name], pi[i].ParameterType);
}
}
return(args);
}
/// <summary>
/// Converts an IJavaScriptObject into an NET object.
/// </summary>
/// <param name="o">The IJavaScriptObject object to convert.</param>
/// <param name="t"></param>
/// <returns>Returns a .NET object.</returns>
public override object Deserialize(IJavaScriptObject o, Type t)
{
//return Enum.Parse(type, o.ToString());
object enumValue = JavaScriptDeserializer.Deserialize(o, Enum.GetUnderlyingType(t));
if (!Enum.IsDefined(t, enumValue))
{
throw new ArgumentException("Invalid value for enum of type '" + t.ToString() + "'.", "o");
}
return(Enum.ToObject(t, enumValue));
}
/// <summary>
/// Converts an IJavaScriptObject into an NET object.
/// </summary>
/// <param name="o">The IJavaScriptObject object to convert.</param>
/// <param name="t"></param>
/// <returns>Returns a .NET object.</returns>
public override object Deserialize(IJavaScriptObject o, Type t)
{
JavaScriptArray list = o as JavaScriptArray;
if (list == null)
{
throw new NotSupportedException();
}
if (t.IsArray)
{
Type type = Type.GetType(t.AssemblyQualifiedName.Replace("[]", ""));
Array a = Array.CreateInstance(type, (list != null ? list.Count : 0));
try
{
if (list != null)
{
for (int i = 0; i < list.Count; i++)
{
object v = JavaScriptDeserializer.Deserialize(list[i], type);
a.SetValue(v, i);
}
}
}
catch (System.InvalidCastException iex)
{
throw new InvalidCastException("Array ('" + t.Name + "') could not be filled with value of type '" + type.Name + "'.", iex);
}
return(a);
}
if (!typeof(IList).IsAssignableFrom(t) || !(o is JavaScriptArray))
{
throw new NotSupportedException();
}
IList l = (IList)Activator.CreateInstance(t);
MethodInfo mi = t.GetMethod("Add");
ParameterInfo pi = mi.GetParameters()[0];
for (int i = 0; i < list.Count; i++)
{
l.Add(JavaScriptDeserializer.Deserialize(list[i], pi.ParameterType));
}
return(l);
}
/// <summary>
/// Converts an IJavaScriptObject into an NET object.
/// </summary>
/// <param name="o">The IJavaScriptObject object to convert.</param>
/// <param name="t"></param>
/// <returns>Returns a .NET object.</returns>
public override object Deserialize(IJavaScriptObject o, Type t)
{
JavaScriptObject ht = o as JavaScriptObject;
if (ht == null)
{
throw new NotSupportedException();
}
if (!ht.Contains("keys") || !ht.Contains("values"))
{
throw new NotSupportedException();
}
IDictionary d = (IDictionary)Activator.CreateInstance(t);
ParameterInfo[] p = t.GetMethod("Add").GetParameters();
Type kT = p[0].ParameterType;
Type vT = p[1].ParameterType;
object key;
object value;
JavaScriptArray keys = ht["keys"] as JavaScriptArray;
JavaScriptArray values = ht["values"] as JavaScriptArray;
for (int i = 0; i < keys.Count && i < values.Count; i++)
{
key = JavaScriptDeserializer.Deserialize(keys[i], kT);
value = JavaScriptDeserializer.Deserialize(values[i], vT);
d.Add(key, value);
}
return(d);
}
/// <summary>
/// Converts an IJavaScriptObject into an NET object.
/// </summary>
/// <param name="o">The IJavaScriptObject object to convert.</param>
/// <param name="t"></param>
/// <returns>Returns a .NET object.</returns>
public override object Deserialize(IJavaScriptObject o, Type t)
{
if (AjaxPro.Utility.Settings.OldStyle.Contains("renderJsonCompliant"))
{
return(new NotSupportedException("DataSets are not supported when renderJsonCompliant is configured."));
}
JavaScriptObject ht = o as JavaScriptObject;
if (ht == null)
{
throw new NotSupportedException();
}
if (!ht.Contains("Tables") || !(ht["Tables"] is JavaScriptArray))
{
throw new NotSupportedException();
}
JavaScriptArray tables = (JavaScriptArray)ht["Tables"];
DataSet ds = new DataSet();
DataTable dt = null;
foreach (IJavaScriptObject table in tables)
{
dt = (DataTable)JavaScriptDeserializer.Deserialize(table, typeof(DataTable));
if (dt != null)
{
ds.Tables.Add(dt);
}
}
return(ds);
}
/// <summary>
/// Deserializes the custom object.
/// </summary>
/// <param name="o">The o.</param>
/// <param name="type">The type.</param>
/// <returns></returns>
internal static object DeserializeCustomObject(JavaScriptObject o, Type type)
{
object c = Activator.CreateInstance(type);
// TODO: is this a security problem?
// if(o.GetType().GetCustomAttributes(typeof(AjaxClassAttribute), true).Length == 0)
// throw new System.Security.SecurityException("Could not create class '" + type.FullName + "' because of missing AjaxClass attribute.");
MemberInfo[] members = type.GetMembers(BindingFlags.GetField | BindingFlags.GetProperty | BindingFlags.Public | BindingFlags.Instance);
foreach (MemberInfo memberInfo in members)
{
if (memberInfo.MemberType == MemberTypes.Field)
{
if (o.Contains(memberInfo.Name))
{
FieldInfo fieldInfo = (FieldInfo)memberInfo;
fieldInfo.SetValue(c, JavaScriptDeserializer.Deserialize((IJavaScriptObject)o[fieldInfo.Name], fieldInfo.FieldType));
}
}
else if (memberInfo.MemberType == MemberTypes.Property)
{
if (o.Contains(memberInfo.Name))
{
PropertyInfo propertyInfo = (PropertyInfo)memberInfo;
if (propertyInfo.CanWrite)
{
propertyInfo.SetValue(c, JavaScriptDeserializer.Deserialize((IJavaScriptObject)o[propertyInfo.Name], propertyInfo.PropertyType), new object[0]);
}
}
}
}
return(c);
}
/// <summary>
/// Converts an IJavaScriptObject into an NET object.
/// </summary>
/// <param name="o">The IJavaScriptObject object to convert.</param>
/// <param name="t"></param>
/// <returns>Returns a .NET object.</returns>
public override object Deserialize(IJavaScriptObject o, Type t)
{
JavaScriptObject ht = o as JavaScriptObject;
if (o is JavaScriptSource)
{
// new Date(Date.UTC(2006,6,9,5,36,18,875))
string s = o.ToString();
if (s.StartsWith("new Date(Date.UTC(") && s.EndsWith("))"))
{
s = s.Substring(18, s.Length - 20);
//Regex r = new Regex(@"(\d{4}),(\d{1,2}),(\d{1,2}),(\d{1,2}),(\d{1,2}),(\d{1,2}),(\d{1,3})", RegexOptions.Compiled);
//Match m = r.Match(s);
//if (m.Groups.Count != 8)
// throw new NotSupportedException();
//int Year = int.Parse(m.Groups[1].Value);
//int Month = int.Parse(m.Groups[2].Value) + 1;
//int Day = int.Parse(m.Groups[3].Value);
//int Hour = int.Parse(m.Groups[4].Value);
//int Minute = int.Parse(m.Groups[5].Value);
//int Second = int.Parse(m.Groups[6].Value);
//int Millisecond = int.Parse(m.Groups[7].Value);
//DateTime d = new DateTime(Year, Month, Day, Hour, Minute, Second, Millisecond);
string[] p = s.Split(',');
return(new DateTime(int.Parse(p[0]), int.Parse(p[1]) + 1, int.Parse(p[2]), int.Parse(p[3]), int.Parse(p[4]), int.Parse(p[5]), int.Parse(p[6])).AddMinutes(UtcOffsetMinutes));
}
else if (s.StartsWith("new Date(") && s.EndsWith(")"))
{
long nanosecs = long.Parse(s.Substring(9, s.Length - 10)) * 10000;
#if (NET20)
nanosecs += new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc).Ticks;
DateTime d1 = new DateTime(nanosecs, DateTimeKind.Utc);
#else
nanosecs += new DateTime(1970, 1, 1, 0, 0, 0, 0).Ticks;
DateTime d1 = new DateTime(nanosecs);
#endif
return(Utility.Settings.OldStyle.Contains("noUtcTime") ? d1 : d1.AddMinutes(UtcOffsetMinutes)); // TimeZone.CurrentTimeZone.GetUtcOffset(d1).TotalMinutes);
}
}
else if (o is JavaScriptString)
{
#if (NET20)
DateTime d2;
if (DateTime.TryParseExact(o.ToString(),
System.Globalization.DateTimeFormatInfo.InvariantInfo.UniversalSortableDateTimePattern,
System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.AllowWhiteSpaces, out d2
) == true)
{
return(Utility.Settings.OldStyle.Contains("noUtcTime") ? d2 : d2.AddMinutes(UtcOffsetMinutes)); // TimeZone.CurrentTimeZone.GetUtcOffset(d2).TotalMinutes);
}
#else
try
{
DateTime d4 = DateTime.ParseExact(o.ToString(),
System.Globalization.DateTimeFormatInfo.InvariantInfo.UniversalSortableDateTimePattern,
System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.AllowWhiteSpaces
);
return(Utility.Settings.OldStyle.Contains("noUtcTime") ? d4 : d4.AddMinutes(UtcOffsetMinutes)); // TimeZone.CurrentTimeZone.GetUtcOffset(d4).TotalMinutes);
}
catch (FormatException)
{
}
#endif
}
if (ht == null)
{
throw new NotSupportedException();
}
int Year2 = (int)JavaScriptDeserializer.Deserialize(ht["Year"], typeof(int));
int Month2 = (int)JavaScriptDeserializer.Deserialize(ht["Month"], typeof(int));
int Day2 = (int)JavaScriptDeserializer.Deserialize(ht["Day"], typeof(int));
int Hour2 = (int)JavaScriptDeserializer.Deserialize(ht["Hour"], typeof(int));
int Minute2 = (int)JavaScriptDeserializer.Deserialize(ht["Minute"], typeof(int));
int Second2 = (int)JavaScriptDeserializer.Deserialize(ht["Second"], typeof(int));
int Millisecond2 = (int)JavaScriptDeserializer.Deserialize(ht["Millisecond"], typeof(int));
DateTime d5 = new DateTime(Year2, Month2, Day2, Hour2, Minute2, Second2, Millisecond2);
return(Utility.Settings.OldStyle.Contains("noUtcTime") ? d5 : d5.AddMinutes(UtcOffsetMinutes)); // TimeZone.CurrentTimeZone.GetUtcOffset(d3).TotalMinutes);
}
/// <summary>
/// Retreives the parameters.
/// </summary>
/// <returns></returns>
public override object[] RetreiveParameters()
{
context.Request.ContentEncoding = System.Text.UTF8Encoding.UTF8;
ParameterInfo[] pi = method.GetParameters();
object[] args = new object[pi.Length];
// initialize default values
for (int i = 0; i < pi.Length; i++)
{
args[i] = pi[i].DefaultValue;
}
byte[] b = new byte[context.Request.InputStream.Length];
if (context.Request.InputStream.Read(b, 0, b.Length) == 0)
{
return(null);
}
StreamReader sr = new StreamReader(new MemoryStream(b), System.Text.UTF8Encoding.UTF8);
string v = null;
try
{
v = sr.ReadToEnd();
}
finally
{
sr.Close();
}
// If something went wrong or there are no arguments
// we can return with the empty argument array.
if (v == null || pi.Length == 0 || v == "{}")
{
return(args);
}
hashCode = v.GetHashCode();
// check if we have to decrypt the JSON string.
if (Utility.Settings != null && Utility.Settings.Security != null)
{
v = Utility.Settings.Security.SecurityProvider.Decrypt(v);
}
context.Items.Add(Constant.AjaxID + ".JSON", v);
JavaScriptObject jso = (JavaScriptObject)JavaScriptDeserializer.DeserializeFromJson(v, typeof(JavaScriptObject));
for (int i = 0; i < pi.Length; i++)
{
if (jso.Contains(pi[i].Name))
{
//if(pi[i].ParameterType.IsAssignableFrom(jso[pi[i].Name].GetType()))
//{
// args[i] = jso[pi[i].Name];
//}
//else
{
args[i] = JavaScriptDeserializer.Deserialize((IJavaScriptObject)jso[pi[i].Name], pi[i].ParameterType);
}
}
}
return(args);
}
