private object PerThreadJavaCoder(int index)
{
var elem = perThreadJavaCodersMap.get(this);
if (elem == null)
{
var elemNew = new java.util.concurrent.atomic.AtomicReferenceArray(2);
elem = perThreadJavaCodersMap.putIfAbsent(this, elemNew) ?? elemNew;
}
var coders = (java.util.concurrent.atomic.AtomicReferenceArray)elem;
elem = coders.get(index);
if (elem == null)
{
var elemNew = (index == 0)
? (object)JavaCharset.newDecoder()
.onUnmappableCharacter(java.nio.charset.CodingErrorAction.REPLACE)
.onMalformedInput(java.nio.charset.CodingErrorAction.REPLACE)
: (object)JavaCharset.newEncoder()
.onUnmappableCharacter(java.nio.charset.CodingErrorAction.REPLACE)
.onMalformedInput(java.nio.charset.CodingErrorAction.REPLACE);
elem = coders.getAndSet(index, elemNew) ?? elemNew;
}
return(elem);
}
public static java.lang.Throwable TranslateException(java.lang.Throwable exc)
{
System.Exception newExc = null;
if (exc is system.Exception)
{
return(exc);
}
var dlg = (ExceptionTranslator)exceptionMap.get(
((java.lang.Object)(object) exc).getClass());
if (dlg != null)
{
newExc = dlg(exc);
}
if (newExc == null)
{
if (exc is java.lang.NullPointerException)
{
newExc = new System.NullReferenceException();
}
/*if (exc is java.lang.IllegalArgumentException)
* newExc = new System.ArgumentException();*/
if (exc is java.lang.ArithmeticException && exc.getMessage() == "/ by zero")
{
newExc = new System.DivideByZeroException(); // "Attempted to divide by zero."
}
// also: IndexOutOfRangeException. define in Array? not necessarily.
// fixme: move these to specialized exceptionMap ?
if (newExc == null)
{
return(exc);
}
/*if (newExc == null)
* {
* // any throwable not deriving from system.Exception is assumed
* // to be coming from the JVM or java code. If it was not mapped
* // to some known .NET exception, wrap it in an ExternalException
* // newExc = new Exception("Java exception: " + exc.GetType());
* // fixme System.Runtime.InteropServices.ExternalException ???
* Console.WriteLine("Created New Exception: ");
* Console.WriteLine(newExc);
* Console.WriteLine("Continuing...");
* }*/
}
java.lang.Throwable newThrowable = (java.lang.Throwable)newExc;
newThrowable.setStackTrace(exc.getStackTrace());
return(newThrowable);
}
public static int SizeOf(System.Type t)
{
var j = ((system.RuntimeType)t).JavaClassForArray();
return((j == java.lang.Boolean.TYPE || j == java.lang.Byte.TYPE) ? 1
: (j == java.lang.Character.TYPE || j == java.lang.Short.TYPE) ? 2
: (j == java.lang.Integer.TYPE || j == java.lang.Float.TYPE) ? 4
: (j == java.lang.Long.TYPE || j == java.lang.Double.TYPE) ? 8
: MarshalTypes.get(t) is int sz ? sz
: throw new System.PlatformNotSupportedException());
}