public virtual bool ContainsKey(string key)
{
foreach (IResolver scriptResolver in scriptResolvers)
{
if (scriptResolver.ContainsKey(key))
{
return(true);
}
}
return(wrappedBindings.ContainsKey(key));
}
/// <summary>
/// Retrieves the value of the attribute with the given name in
/// the scope occurring earliest in the search order. The order
/// is determined by the numeric value of the scope parameter (lowest
/// scope values first.)
/// </summary>
/// <param name="name"> The name of the the attribute to retrieve. </param>
/// <returns> The value of the attribute in the lowest scope for
/// which an attribute with the given name is defined. Returns
/// null if no attribute with the name exists in any scope. </returns>
/// <exception cref="NullPointerException"> if the name is null. </exception>
/// <exception cref="IllegalArgumentException"> if the name is empty. </exception>
public virtual object GetAttribute(string name)
{
if (engineScope.ContainsKey(name))
{
return(GetAttribute(name, ScriptContext_Fields.ENGINE_SCOPE));
}
else if (globalScope != null && globalScope.ContainsKey(name))
{
return(GetAttribute(name, ScriptContext_Fields.GLOBAL_SCOPE));
}
return(null);
}
/// <summary>
/// Dedicated implementation which does not fall back on the <seealso cref="#calculateBindingMap()"/> for performance reasons
/// </summary>
public virtual bool ContainsKey(string key)
{
if (wrappedBindings.ContainsKey(key))
{
return(true);
}
if (key is string)
{
return(variableContext.ContainsVariable((string)key));
}
else
{
return(false);
}
}
