/// <summary>
/// Lookup an expression factory used to coerce method parameters in context under key
/// <code>"javax.el.ExpressionFactory"</code>.
/// If no expression factory can be found under that key, use a default instance created with
/// <seealso cref="ExpressionFactory.newInstance()"/>. </summary>
/// <param name="context">
/// The context of this evaluation. </param>
/// <returns> expression factory instance </returns>
private ExpressionFactory GetExpressionFactory(ELContext context)
{
object obj = context.GetContext(typeof(ExpressionFactory));
if (obj is ExpressionFactory)
{
return((ExpressionFactory)obj);
}
if (defaultFactory == null)
{
defaultFactory = ExpressionFactory.NewInstance();
}
return(defaultFactory);
}
public override object GetValue(ELContext context, object @base, object property)
{
if (property != null)
{
var @object = context.GetContext(typeof(IScope));
if (@object != null)
{
var variableScope = (Dictionary <string, Type>)@object;
Type type;
variableScope.TryGetValue(property.ToString(), out type);
if (type != null)
{
if (IsResolvable(type))
{
if (Context.CommandContext.Scope != null)
{
if (Context.CommandContext.Scope.IsRegistered(type))
{
var val = Context.CommandContext.Scope.Resolve(type);
context.PropertyResolved = true;
return(val);
}
}
else
{
using (var scope = ObjectContainer.BeginLifetimeScope())
{
if (scope.IsRegistered(type))
{
var val = scope.Resolve(type);
context.PropertyResolved = true;
return(val);
}
}
}
}
}
}
}
return(null);
}
