if (o != null)
{
return o;
}
Node astNode = (Node) vmproxyhash.get(key);
if (astNode != null)
{
int type = astNode.getType();
// if the macro argument (astNode) is a reference, we need to evaluate it
// in case it is a multilevel node
if (type == ParserTreeConstants.JJTREFERENCE)
{
ASTReference ref = (ASTReference) astNode;
if (ref.jjtGetNumChildren() > 0)
{
return ref.execute(null, innerContext);
}
else
{
Object obj = innerContext.get(ref.getRootString());
if (obj == null && ref.strictRef)
{
if (!innerContext.containsKey(ref.getRootString()))
{
throw new MethodInvocationException("Parameter '" + ref.getRootString()
+ "' not defined", null, key, ref.getTemplateName(),
ref.getLine(), ref.getColumn());
}
}
return obj;
}
}
else if (type == ParserTreeConstants.JJTTEXT)
{
// this really shouldn't happen. text is just a throwaway arg for #foreach()
try
{
StringWriter writer = new StringWriter();
astNode.render(innerContext, writer);
return writer.toString();
}
catch (RuntimeException e)
{
throw e;
}
catch (Exception e)
{
String msg = "ProxyVMContext.get() : error rendering reference";
Logger.error(this,msg, e);
throw new VelocityException(msg, e);
}
}
else
{
// use value method to render other dynamic nodes
return astNode.value(innerContext);
}
}
return super.get(key);
}