/// <summary>
/// Saves all the extended settings into a simple multi-line key/value pair.
/// This also handles the case for stringclobs.
/// </summary>
/// <param name="objToSave">The obj to save.</param>
/// <param name="includeProps">The include props.</param>
/// <param name="excludeProps">The exclude props.</param>
/// <param name="stringClobProps">The string clob props.</param>
/// <returns></returns>
public static string CreateState(object objToSave, string includeProps, string excludeProps, string stringClobProps)
{
if (objToSave == null)
{
throw new ArgumentNullException("Object to save is null");
}
if (string.IsNullOrEmpty(includeProps) && string.IsNullOrEmpty(includeProps) && string.IsNullOrEmpty(includeProps))
{
return(string.Empty);
}
SimpleStateMap propStateMap = null;
if (_stateMap.ContainsKey(objToSave.GetType().FullName))
{
propStateMap = _stateMap[objToSave.GetType().FullName];
}
else
{
propStateMap = SimpleStateMap.ToPropStateMap(objToSave.GetType(), includeProps, excludeProps, stringClobProps);
_stateMap[objToSave.GetType().FullName] = propStateMap;
}
// 4. Now save state for each property.
var buffer = new StringBuilder();
foreach (var propPair in propStateMap.IncludeProps)
{
// Save state for each property.
PropertyInfo prop = propStateMap.AllPropMap[propPair.Key];
object val = prop.GetValue(objToSave, null);
bool isStringClob = propStateMap.StringClobProps.ContainsKey(prop.Name);
string valString = string.Empty;
if (isStringClob && val != null)
{
valString = ((string)val).Replace(Environment.NewLine, "<br />");
}
else if (val != null)
{
valString = val.ToString();
}
string state = string.Format("{0},{1}" + Environment.NewLine, prop.Name, valString);
buffer.Append(state);
}
string completeState = buffer.ToString();
return(completeState);
}
/// <summary>
/// Load the state into the properties of <paramref name="objToSave"/>
/// </summary>
/// <param name="objToSave">The obj to save.</param>
/// <param name="state">The state as a string.
/// e.g.
/// line #: propertyname,value
/// line1 : Title,Learn how to program in asp.net mvc./r/n
/// line2 : Cost,30/r/n
/// line3 : Content,learn how to program in asp.net using commonlibrary.net CMS which is an
/// : ASP.NET MVC CMS using commonlibrary.net/r/n
/// line6 : Url,1,http://commonlibrarynetcms.codeplex.com/r/n
/// </param>
/// <param name="includeProps">The include props.</param>
/// <param name="excludeProps">The exclude props.</param>
/// <param name="stringClobProps">The string clob props.</param>
public static void LoadState(object objToSave, string state, string includeProps, string excludeProps, string stringClobProps)
{
if (objToSave == null)
{
throw new ArgumentNullException("Object to save is null");
}
if (string.IsNullOrEmpty(includeProps) && string.IsNullOrEmpty(includeProps) && string.IsNullOrEmpty(includeProps))
{
return;
}
SimpleStateMap propStateMap = null;
if (_stateMap.ContainsKey(objToSave.GetType().FullName))
{
propStateMap = _stateMap[objToSave.GetType().FullName];
}
else
{
propStateMap = SimpleStateMap.ToPropStateMap(objToSave.GetType(), includeProps, excludeProps, stringClobProps);
_stateMap[objToSave.GetType().FullName] = propStateMap;
}
using (StringReader reader = new StringReader(state))
{
string line;
while ((line = reader.ReadLine()) != null)
{
// Format is <propertyname>,<numberoflines>,<value>
int ndxComma = line.IndexOf(',');
string propName = line.Substring(0, ndxComma);
if (propStateMap.AllPropMap.ContainsKey(propName))
{
string val = line.Substring(ndxComma + 1);
// Now set the value.
var prop = propStateMap.AllPropMap[propName];
object convertedVal = Converter.ConvertTo(prop.PropertyType, val);
prop.SetValue(objToSave, convertedVal, null);
}
}
}
}
