/**
* Copy constructor.
* @param base the base to copy
* @since 2.1
*/
protected Interpreter(Interpreter base) {
this.logger = base.logger;
this.uberspect = base.uberspect;
this.arithmetic = base.arithmetic;
this.functions = base.functions;
this.strict = base.strict;
this.silent = base.silent;
this.cache = base.cache;
this.context = base.context;
this.functors = base.functors;
}
/**
* Creates an interpreter.
* @param jexl the engine creating this interpreter
* @param aContext the context to evaluate expression
* @param strictFlag whether this interpreter runs in strict mode
* @param silentFlag whether this interpreter runs in silent mode
* @since 2.1
*/
public Interpreter(JexlEngine jexl, JexlContext aContext, bool strictFlag, bool silentFlag) {
this.logger = jexl.logger;
this.uberspect = jexl.uberspect;
this.arithmetic = jexl.arithmetic;
this.functions = jexl.functions;
this.strict = strictFlag;
this.silent = silentFlag;
this.cache = jexl.cache != null;
this.context = aContext != null ? aContext : JexlEngine.EMPTY_CONTEXT;
this.functors = null;
}
/// <summary> Gets the classname for the Uberspect introspection package and
/// instantiates an instance.
/// </summary>
private void initializeIntrospection()
{
String rm = getString(RuntimeConstants_Fields.UBERSPECT_CLASSNAME);
if (rm != null && rm.Length > 0)
{
Object o = null;
//UPGRADE_NOTE: Exception 'java.lang.ClassNotFoundException' was converted to 'System.Exception' which has different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1100"'
try
{
//UPGRADE_TODO: Format of parameters of method 'java.lang.Class.forName' are different in the equivalent in .NET. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1092"'
o = SupportClass.CreateNewInstance(Type.GetType(rm));
}
catch (System.Exception)
{
String err = "The specified class for Uberspect (" + rm + ") does not exist (or is not accessible to the current classlaoder.";
error(err);
throw new System.Exception(err);
}
if (!(o is Uberspect))
{
String err = "The specified class for Uberspect (" + rm + ") does not implement org.apache.velocity.util.introspector.Uberspect." + " Velocity not initialized correctly.";
error(err);
throw new System.Exception(err);
}
uberSpect = (Uberspect)o;
if (uberSpect is UberspectLoggable)
{
((UberspectLoggable)uberSpect).RuntimeLogger = this;
}
uberSpect.init();
}
else
{
/*
* someone screwed up. Lets not fool around...
*/
String err = "It appears that no class was specified as the" + " Uberspect. Please ensure that all configuration" + " information is correct.";
error(err);
throw new System.Exception(err);
}
}
