jdbc 源码 oracle 自带jdbc

// Decompiled by Jad v1.5.7f. Copyright 2000 Pavel Kouznetsov. // Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html // Decompiler options: packimports(3) // Source File Name: LnxLibThin.java package oracle.sql; import java.sql.SQLException; import java.text.DecimalFormatSymbols; import java.util.Locale; import oracle.core.lmx.CoreException; import oracle.gss.util.NLSLocale; // Referenced classes of package oracle.sql: // Datum, LnxLib, LnxLibThinFormat, NUMBER class LnxLibThin implements LnxLib { private class lnxqc { static final int LNXQC0 = 0; static final int LNXQC1 = 1; static final int LNXQC2 = 2; static final int LNXQC3 = 3; static final int LNXQC4 = 4; static final int LNXQC5 = 5; static final int LNXQC6 = 6; static final int LNXQC7 = 7; static final int LNXQC8 = 8; static final int LNXQC9 = 9; static final int LNXQCPLUS = 10; static final int LNXQCMINUS = 11; static final int LNXQCSPACE = 12; static final int LNXQCDOT = 13; static final int LNXQCCOMMA = 14; static final int LNXQCDOLLR = 15; static final int LNXQCLT = 16; static final int LNXQCGRT = 17; static final int LNXQCLPT = 18; static final int LNXQCRPT = 19; static final int LNXQCHASH = 20; static final int LNXQCTILDE = 21; static final int LNXQCASML = 22; static final int LNXQCBSML = 23; static final int LNXQCCSML = 24; static final int LNXQCDSML = 25; static final int LNXQCESML = 26; static final int LNXQCFSML = 27; static final int LNXQCGSML = 28; static final int LNXQCISML = 29; static final int LNXQCLSML = 30; static final int LNXQCMSML = 31; static final int LNXQCPSML = 32; static final int LNXQCRSML = 33; static final int LNXQCSSML = 34; static final int LNXQCTSML = 35; static final int LNXQCVSML = 36; static final int LNXQCALRG = 37; static final int LNXQCBLRG = 38; static final int LNXQCCLRG = 39; static final int LNXQCDLRG = 40; static final int LNXQCELRG = 41; static final int LNXQCFLRG = 42; static final int LNXQCILRG = 43; static final int LNXQCLLRG = 44; static final int LNXQCMLRG = 45; static final int LNXQCPLRG = 46; static final int LNXQCRLRG = 47; static final int LNXQCSLRG = 48; static final int LNXQCTLRG = 49; lnxqc() { } } LnxLibThin() { } private long LNXQH2N_DIGIT(char c, int i, long l) { byte byte0 = 65; byte byte1 = 97; byte byte2 = 70; byte byte3 = 102; byte byte4 = 48; if(c >= 'a' && c <= 'f') { long l1 = l + (long)((c - 97) + 10 << i); return l1; } if(c >= 'A' && c <= 'F') { long l2 = l + (long)((c - 65) + 10 << i); return l2; } else { long l3 = l + (long)(c - 48 << i); return l3; } } private static int LnxmulSetDigit1(byte abyte0[], int i, int j) { int k = j / 100; int l = j / 10000; i -= 2; abyte0[i + 1] = (byte)((j - k * 100) + 1); abyte0[i] = (byte)((k - l * 100) + 1); return l; } private static void LnxmulSetDigit2(byte abyte0[], int i, int j) { int k = j / 100; i -= 2; abyte0[i] = (byte)(k + 1); abyte0[i + 1] = (byte)((j - k * 100) + 1); } private static int LnxmulSetSum(int ai[], int ai1[], int i, int j, int k, int l) { return l + ai[i - k] * ai1[j + k]; } private static void _negateNumber(byte abyte0[]) { for(int i = abyte0.length - 1; i > 0; i--) abyte0[i] = LnxqNegate[abyte0[i]]; abyte0[0] = (byte)(~abyte0[0]); } private static byte[] _setLength(byte abyte0[], int i) { boolean flag = NUMBER._isPositive(abyte0); byte abyte1[]; if(flag) abyte1 = new byte[i]; else if(i <= 20 && abyte0[i - 1] != 102) { abyte1 = new byte[i + 1]; abyte1[i] = 102; } else { abyte1 = new byte[i]; } System.arraycopy(abyte0, 0, abyte1, 0, i); return abyte1; } private static byte digitPtr(int i, int j, boolean flag) { return flag ? LnxqDigit_N[i][j] : LnxqDigit_P[i][j]; } public byte[] lnxabs(byte abyte0[]) throws SQLException { byte abyte1[] = new byte[abyte0.length]; if(NUMBER._isPositive(abyte0)) { System.arraycopy(abyte0, 0, abyte1, 0, abyte0.length); return abyte1; } if(NUMBER._isNegInf(abyte0)) return NUMBER.posInf().shareBytes(); int i = abyte0.length; if(abyte0[i - 1] == 102) i--; System.arraycopy(abyte0, 0, abyte1, 0, i); _negateNumber(abyte1); return _setLength(abyte1, i); } public byte[] lnxacos(byte abyte0[]) throws SQLException { return lnxqtri(abyte0, 0); } public byte[] lnxadd(byte abyte0[], byte abyte1[]) throws SQLException { int i = abyte0.length; int j = 0; int k = abyte1.length; int l = 0; byte abyte2[] = new byte[41]; int i1 = 0; int i2 = 0; int j2 = 0; int l4 = 0; int i5 = 0; int j5 = 0; int l2 = i1 + 1; boolean flag1 = NUMBER._isPositive(abyte0); int l5 = abyte0[0] >= 0 ? 255 - abyte0[0] : 256 + abyte0[0]; if(!flag1 && abyte0[i - 1] == 102) i--; int k5 = i - 1; boolean flag2 = NUMBER._isPositive(abyte1); int j6 = abyte1[0] >= 0 ? 255 - abyte1[0] : 256 + abyte1[0]; if(!flag2 && abyte1[k - 1] == 102) k--; int i6 = k - 1; if(l5 == 255 && (k5 == 0 || abyte0[1] == 101)) { boolean flag3 = flag1; if(flag3) return NUMBER._makePosInf(); else return NUMBER._makeNegInf(); } if(j6 == 255 && (i6 == 0 || abyte1[1] == 101)) { boolean flag4 = flag2; if(flag4) return NUMBER._makePosInf(); else return NUMBER._makeNegInf(); } if(l5 == 128 && k5 == 0) { abyte2 = new byte[k]; System.arraycopy(abyte1, 0, abyte2, 0, k); boolean flag5 = flag2; int j7 = k; return _setLength(abyte2, j7); } if(j6 == 128 && i6 == 0) { abyte2 = new byte[i]; System.arraycopy(abyte0, 0, abyte2, 0, i); boolean flag6 = flag1; int k7 = i; return _setLength(abyte2, k7); } int k4 = l5 - j6; byte abyte3[][]; boolean flag7; int i7; byte byte2; if(flag1 == flag2) { flag7 = flag1; if(flag7) { abyte3 = LnxqAdd_PPP; i7 = 1; byte2 = 1; } else { abyte3 = LnxqAdd_NNN; i7 = 101; byte2 = -1; } } else { int k9 = k4; if(k9 == 0) { int i8 = j + 1; int l8 = l + 1; int j9; for(j9 = j + (k5 >= i6 ?