System.cs

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using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
 
using IKVM.Runtime;
using IKVM.Runtime.Accessors.Java.Lang;
using IKVM.Runtime.Accessors.Java.Util;
 
namespace IKVM.Java.Externs.java.lang
{
 
    static class System
    {
 
#if FIRST_PASS == false
 
        static SystemAccessor systemAccessor;
        static PropertiesAccessor propertiesAccessor;
 
        static SystemAccessor SystemAccessor => JVM.Internal.BaseAccessors.Get(ref systemAccessor);
 
        static PropertiesAccessor PropertiesAccessor => JVM.Internal.BaseAccessors.Get(ref propertiesAccessor);
 
#endif
 
        const long january_1st_1970 = 62135596800000L;
 
        public static void registerNatives()
        {
 
        }
 
        public static void setIn0(object @in)
        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
            SystemAccessor.SetIn(@in);
#endif
        }
 
        public static void setOut0(object @out)
        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
            SystemAccessor.SetOut(@out);
#endif
        }
 
        public static void setErr0(object err)
        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
            SystemAccessor.SetErr(err);
#endif
        }
 
        public static long currentTimeMillis()
        {
            return DateTime.UtcNow.Ticks / 10000L - january_1st_1970;
        }
 
        public static long nanoTime()
        {
            const long NANOS_PER_SEC = 1000000000;
 
            var time = (double)Stopwatch.GetTimestamp();
            var freq = (double)Stopwatch.Frequency;
            return (long)(time / freq * NANOS_PER_SEC);
        }
 
        public static void arraycopy(object src, int srcPos, object dest, int destPos, int length)
        {
            ByteCodeHelper.arraycopy(src, srcPos, dest, destPos, length);
        }
 
        public static int identityHashCode(object x)
        {
            return RuntimeHelpers.GetHashCode(x);
        }
 
        public static string mapLibraryName(string libname)
        {
#if FIRST_PASS
            throw new NotImplementedException();
#else
            if (libname == null)
                throw new global::java.lang.NullPointerException();
 
            if (RuntimeUtil.IsWindows)
                return libname + ".dll";
            else if (RuntimeUtil.IsOSX)
                return "lib" + libname + ".dylib";
            else
                return "lib" + libname + ".so";
#endif
        }
 
 
    }
 
}