/// <summary> {@inheritDoc}
///
/// </summary>
/// <seealso cref="org.apache.velocity.util.introspection.Uberspect.getPropertySet(java.lang.Object, java.lang.String,">
/// java.lang.Object, org.apache.velocity.util.introspection.Info)
/// </seealso>
//@Override
public override IVelPropertySet GetPropertySet(object obj, string identifier, object arg, Info i)
{
IVelPropertySet setter = leftUberspect.GetPropertySet(obj, identifier, arg, i);
return(setter != null ? setter : rightUberspect.GetPropertySet(obj, identifier, arg, i));
}
/// <summary> Sets the value of a complex reference (something like $foo.bar)
/// Currently used by ASTSetReference()
///
/// </summary>
/// <seealso cref="ASTSetDirective">
///
/// </seealso>
/// <param name="context">context object containing this reference
/// </param>
/// <param name="value">Object to set as value
/// </param>
/// <returns> true if successful, false otherwise
/// </returns>
/// <throws> MethodInvocationException </throws>
public virtual bool SetValue(IInternalContextAdapter context, object value)
{
if (GetNumChildren() == 0)
{
context.Put(rootString, value);
return(true);
}
/*
* The rootOfIntrospection is the object we will
* retrieve from the Context. This is the base
* object we will apply reflection to.
*/
object result = GetVariableValue(context, rootString);
if (result == null)
{
string msg = "reference set is not a valid reference at " + Log.FormatFileString(uberInfo);
log.Error(msg);
return(false);
}
/*
* How many child nodes do we have?
*/
for (int i = 0; i < numChildren - 1; i++)
{
result = GetChild(i).Execute(result, context);
if (result == null)
{
if (strictRef)
{
string name = GetChild(i + 1).FirstToken.Image;
throw new MethodInvocationException("Attempted to access '" + name + "' on a null value", null, name, uberInfo.TemplateName, GetChild(i + 1).Line, GetChild(i + 1).Column);
}
string msg = "reference set is not a valid reference at " + Log.FormatFileString(uberInfo);
log.Error(msg);
return(false);
}
}
/*
* We support two ways of setting the value in a #set($ref.foo = $value ) :
* 1) ref.setFoo( value )
* 2) ref,put("foo", value ) to parallel the get() map introspection
*/
try
{
IVelPropertySet vs = rsvc.Uberspect.GetPropertySet(result, identifier, value, uberInfo);
if (vs == null)
{
if (strictRef)
{
throw new MethodInvocationException("Object '" + result.GetType().FullName + "' does not contain property '" + identifier + "'", null, identifier, uberInfo.TemplateName, uberInfo.Line, uberInfo.Column);
}
else
{
return(false);
}
}
vs.Invoke(result, value);
}
catch (TargetInvocationException ite)
{
/*
* this is possible
*/
throw new MethodInvocationException("ASTReference : Invocation of method '" + identifier + "' in " + result.GetType() + " threw exception " + ite.GetBaseException().ToString(), ite.GetBaseException(), identifier, TemplateName, this.Line, this.Column);
}
/**
* pass through application level runtime exceptions
*/
catch (System.SystemException e)
{
throw e;
}
catch (System.Exception e)
{
/*
* maybe a security exception?
*/
string msg = "ASTReference setValue() : exception : " + e + " template at " + Log.FormatFileString(uberInfo);
log.Error(msg, e);
throw new VelocityException(msg, e);
}
return(true);
}
