| 1 | /* |
| 2 | |
| 3 | Derby - Class org.apache.derby.client.net.EbcdicCcsidManager |
| 4 | |
| 5 | Copyright (c) 2001, 2005 The Apache Software Foundation or its licensors, where applicable. |
| 6 | |
| 7 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | you may not use this file except in compliance with the License. |
| 9 | You may obtain a copy of the License at |
| 10 | |
| 11 | http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | |
| 13 | Unless required by applicable law or agreed to in writing, software |
| 14 | distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | See the License for the specific language governing permissions and |
| 17 | limitations under the License. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | package org.apache.derby.client.net; |
| 22 | |
| 23 | import org.apache.derby.client.am.SqlException; |
| 24 | import org.apache.derby.client.am.ClientMessageId; |
| 25 | import org.apache.derby.shared.common.reference.SQLState; |
| 26 | |
| 27 | /** |
| 28 | * A concrete implementation of a CcsidMgr used to convert between Java UCS2 and Ebcdic as needed to handle character |
| 29 | * DDM Parameters. This implementation only supports converting from the ASCII invariant of UNICODE to Ebcdic. This |
| 30 | * should be fine since this class is intended for converting DDM Parameter data only. |
| 31 | */ |
| 32 | public class EbcdicCcsidManager extends CcsidManager { |
| 33 | |
| 34 | private static final int[] conversionArrayToEbcdic = { |
| 35 | 0x0000, 0x0001, 0x0002, 0x0003, 0x0037, 0x002d, 0x002e, 0x002f |
| 36 | , 0x0016, 0x0005, 0x0025, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f |
| 37 | , 0x0010, 0x0011, 0x0012, 0x0013, 0x003c, 0x003d, 0x0032, 0x0026 |
| 38 | , 0x0018, 0x0019, 0x003f, 0x0027, 0x001c, 0x001d, 0x001e, 0x001f |
| 39 | , 0x0040, 0x004f, 0x007f, 0x007b, 0x005b, 0x006c, 0x0050, 0x007d |
| 40 | , 0x004d, 0x005d, 0x005c, 0x004e, 0x006b, 0x0060, 0x004b, 0x0061 |
| 41 | , 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7 |
| 42 | , 0x00f8, 0x00f9, 0x007a, 0x005e, 0x004c, 0x007e, 0x006e, 0x006f |
| 43 | , 0x007c, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7 |
| 44 | , 0x00c8, 0x00c9, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6 |
| 45 | , 0x00d7, 0x00d8, 0x00d9, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6 |
| 46 | , 0x00e7, 0x00e8, 0x00e9, 0x004a, 0x00e0, 0x005a, 0x005f, 0x006d |
| 47 | , 0x0079, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087 |
| 48 | , 0x0088, 0x0089, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096 |
| 49 | , 0x0097, 0x0098, 0x0099, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6 |
| 50 | , 0x00a7, 0x00a8, 0x00a9, 0x00c0, 0x00bb, 0x00d0, 0x00a1, 0x0007 |
| 51 | , 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0015, 0x0006, 0x0017 |
| 52 | , 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x0009, 0x000a, 0x001b |
| 53 | , 0x0030, 0x0031, 0x001a, 0x0033, 0x0034, 0x0035, 0x0036, 0x0008 |
| 54 | , 0x0038, 0x0039, 0x003a, 0x003b, 0x0004, 0x0014, 0x003e, 0x00ff |
| 55 | , 0x0041, 0x00aa, 0x00b0, 0x00b1, 0x009f, 0x00b2, 0x006a, 0x00b5 |
| 56 | , 0x00bd, 0x00b4, 0x009a, 0x008a, 0x00ba, 0x00ca, 0x00af, 0x00bc |
| 57 | , 0x0090, 0x008f, 0x00ea, 0x00fa, 0x00be, 0x00a0, 0x00b6, 0x00b3 |
| 58 | , 0x009d, 0x00da, 0x009b, 0x008b, 0x00b7, 0x00b8, 0x00b9, 0x00ab |
| 59 | , 0x0064, 0x0065, 0x0062, 0x0066, 0x0063, 0x0067, 0x009e, 0x0068 |
| 60 | , 0x0074, 0x0071, 0x0072, 0x0073, 0x0078, 0x0075, 0x0076, 0x0077 |
| 61 | , 0x00ac, 0x0069, 0x00ed, 0x00ee, 0x00eb, 0x00ef, 0x00ec, 0x00bf |
| 62 | , 0x0080, 0x00fd, 0x00fe, 0x00fb, 0x00fc, 0x00ad, 0x00ae, 0x0059 |
| 63 | , 0x0044, 0x0045, 0x0042, 0x0046, 0x0043, 0x0047, 0x009c, 0x0048 |
| 64 | , 0x0054, 0x0051, 0x0052, 0x0053, 0x0058, 0x0055, 0x0056, 0x0057 |
| 65 | , 0x008c, 0x0049, 0x00cd, 0x00ce, 0x00cb, 0x00cf, 0x00cc, 0x00e1 |
| 66 | , 0x0070, 0x00dd, 0x00de, 0x00db, 0x00dc, 0x008d, 0x008e, 0x00df |
| 67 | }; |
| 68 | |
| 69 | private static final int[] conversionArrayToUCS2 = { |
| 70 | 0x0000, 0x0001, 0x0002, 0x0003, 0x009C, 0x0009, 0x0086, 0x007F |
| 71 | , 0x0097, 0x008D, 0x008E, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F |
| 72 | , 0x0010, 0x0011, 0x0012, 0x0013, 0x009D, 0x0085, 0x0008, 0x0087 |
| 73 | , 0x0018, 0x0019, 0x0092, 0x008F, 0x001C, 0x001D, 0x001E, 0x001F |
| 74 | , 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x000A, 0x0017, 0x001B |
| 75 | , 0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x0005, 0x0006, 0x0007 |
| 76 | , 0x0090, 0x0091, 0x0016, 0x0093, 0x0094, 0x0095, 0x0096, 0x0004 |
| 77 | , 0x0098, 0x0099, 0x009A, 0x009B, 0x0014, 0x0015, 0x009E, 0x001A |
| 78 | , 0x0020, 0x00A0, 0x00E2, 0x00E4, 0x00E0, 0x00E1, 0x00E3, 0x00E5 |
| 79 | , 0x00E7, 0x00F1, 0x005B, 0x002E, 0x003C, 0x0028, 0x002B, 0x0021 |
| 80 | , 0x0026, 0x00E9, 0x00EA, 0x00EB, 0x00E8, 0x00ED, 0x00EE, 0x00EF |
| 81 | , 0x00EC, 0x00DF, 0x005D, 0x0024, 0x002A, 0x0029, 0x003B, 0x005E |
| 82 | , 0x002D, 0x002F, 0x00C2, 0x00C4, 0x00C0, 0x00C1, 0x00C3, 0x00C5 |
| 83 | , 0x00C7, 0x00D1, 0x00A6, 0x002C, 0x0025, 0x005F, 0x003E, 0x003F |
| 84 | , 0x00F8, 0x00C9, 0x00CA, 0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF |
| 85 | , 0x00CC, 0x0060, 0x003A, 0x0023, 0x0040, 0x0027, 0x003D, 0x0022 |
| 86 | , 0x00D8, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067 |
| 87 | , 0x0068, 0x0069, 0x00AB, 0x00BB, 0x00F0, 0x00FD, 0x00FE, 0x00B1 |
| 88 | , 0x00B0, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F, 0x0070 |
| 89 | , 0x0071, 0x0072, 0x00AA, 0x00BA, 0x00E6, 0x00B8, 0x00C6, 0x00A4 |
| 90 | , 0x00B5, 0x007E, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, 0x0078 |
| 91 | , 0x0079, 0x007A, 0x00A1, 0x00BF, 0x00D0, 0x00DD, 0x00DE, 0x00AE |
| 92 | , 0x00A2, 0x00A3, 0x00A5, 0x00B7, 0x00A9, 0x00A7, 0x00B6, 0x00BC |
| 93 | , 0x00BD, 0x00BE, 0x00AC, 0x007C, 0x00AF, 0x00A8, 0x00B4, 0x00D7 |
| 94 | , 0x007B, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047 |
| 95 | , 0x0048, 0x0049, 0x00AD, 0x00F4, 0x00F6, 0x00F2, 0x00F3, 0x00F5 |
| 96 | , 0x007D, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F, 0x0050 |
| 97 | , 0x0051, 0x0052, 0x00B9, 0x00FB, 0x00FC, 0x00F9, 0x00FA, 0x00FF |
| 98 | , 0x005C, 0x00F7, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058 |
| 99 | , 0x0059, 0x005A, 0x00B2, 0x00D4, 0x00D6, 0x00D2, 0x00D3, 0x00D5 |
| 100 | , 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037 |
| 101 | , 0x0038, 0x0039, 0x00B3, 0x00DB, 0x00DC, 0x00D9, 0x00DA, 0x009F |
| 102 | }; |
| 103 | |
| 104 | public EbcdicCcsidManager() { |
| 105 | super((byte) 0x40, // 0x40 is the ebcdic space character |
| 106 | (byte) 0x4B, |
| 107 | new byte[]{//02132002jev begin |
| 108 | // '0', '1', '2', '3', '4', |
| 109 | (byte) 0xf0, (byte) 0xf1, (byte) 0xf2, (byte) 0xf3, (byte) 0xf4, |
| 110 | // '5', '6', '7', '8', '9', |
| 111 | (byte) 0xf5, (byte) 0xf6, (byte) 0xf7, (byte) 0xf8, (byte) 0xf9, |
| 112 | // 'A', 'B', 'C', 'D', 'E', |
| 113 | (byte) 0xc1, (byte) 0xc2, (byte) 0xc3, (byte) 0xc4, (byte) 0xc5, |
| 114 | // 'F' |
| 115 | (byte) 0xc6}, |
| 116 | new byte[]{ |
| 117 | // 'G', 'H', 'I', 'J', 'K', |
| 118 | (byte) 0xc7, (byte) 0xc8, (byte) 0xc9, (byte) 0xd1, (byte) 0xd2, |
| 119 | // 'L', 'M', 'N', '0', 'P', |
| 120 | (byte) 0xd3, (byte) 0xd4, (byte) 0xd5, (byte) 0xd6, (byte) 0xd7, |
| 121 | // 'A', 'B', 'C', 'D', 'E', |
| 122 | (byte) 0xc1, (byte) 0xc2, (byte) 0xc3, (byte) 0xc4, (byte) 0xc5, |
| 123 | // 'F' |
| 124 | (byte) 0xc6} //02132002jev end |
| 125 | ); |
| 126 | } |
| 127 | |
| 128 | public byte[] convertFromUCS2(String sourceString, org.apache.derby.client.am.Agent agent) throws SqlException { |
| 129 | byte[] bytes = new byte[sourceString.length()]; |
| 130 | convertFromUCS2(sourceString, bytes, 0, agent); |
| 131 | return bytes; |
| 132 | } |
| 133 | |
| 134 | public int convertFromUCS2(String sourceString, |
| 135 | byte[] buffer, |
| 136 | int offset, |
| 137 | org.apache.derby.client.am.Agent agent) throws SqlException { |
| 138 | for (int i = 0; i < sourceString.length(); i++) { |
| 139 | char c = sourceString.charAt(i); |
| 140 | if (c > 0xff) |
| 141 | // buffer[offset++] = (byte) 63; |
| 142 | { |
| 143 | throw new SqlException(agent.logWriter_, |
| 144 | new ClientMessageId(SQLState.CANT_CONVERT_UNICODE_TO_EBCDIC)); |
| 145 | } else { |
| 146 | buffer[offset++] = (byte) (conversionArrayToEbcdic[c]); |
| 147 | } |
| 148 | ; |
| 149 | } |
| 150 | return offset; |
| 151 | } |
| 152 | |
| 153 | String convertToUCS2(byte[] sourceBytes) { |
| 154 | int i = 0; |
| 155 | char[] theChars = new char[sourceBytes.length]; |
| 156 | int num = 0; |
| 157 | |
| 158 | for (i = 0; i < sourceBytes.length; i++) { |
| 159 | num = (sourceBytes[i] < 0) ? (sourceBytes[i] + 256) : sourceBytes[i]; |
| 160 | theChars[i] = (char) conversionArrayToUCS2[num]; |
| 161 | } |
| 162 | |
| 163 | return new String(theChars); |
| 164 | } |
| 165 | |
| 166 | String convertToUCS2(byte[] sourceBytes, int offset, int numToConvert) { |
| 167 | int i = 0, j = 0; |
| 168 | char[] theChars = new char[numToConvert]; |
| 169 | int num = 0; |
| 170 | |
| 171 | for (i = offset; i < (offset + numToConvert); i++) { |
| 172 | num = (sourceBytes[i] < 0) ? (sourceBytes[i] + 256) : sourceBytes[i]; |
| 173 | theChars[j] = (char) conversionArrayToUCS2[num]; |
| 174 | j++; |
| 175 | } |
| 176 | return new String(theChars); |
| 177 | } |
| 178 | |
| 179 | |
| 180 | char convertToUCS2Char(byte sourceByte) { |
| 181 | return (char) conversionArrayToUCS2[(sourceByte < 0) ? (sourceByte + 256) : sourceByte]; |
| 182 | } |
| 183 | |
| 184 | } |
| 185 | |