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Java > Open Source Codes > org > apache > derby > client > net > EbcdicCcsidManager


1 /*
2
3    Derby - Class org.apache.derby.client.net.EbcdicCcsidManager
4
5    Licensed to the Apache Software Foundation (ASF) under one or more
6    contributor license agreements. See the NOTICE file distributed with
7    this work for additional information regarding copyright ownership.
8    The ASF licenses this file to You under the Apache License, Version 2.0
9    (the "License"); you may not use this file except in compliance with
10    the License. You may obtain a copy of the License at
11
12       http://www.apache.org/licenses/LICENSE-2.0
13
14    Unless required by applicable law or agreed to in writing, software
15    distributed under the License is distributed on an "AS IS" BASIS,
16    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17    See the License for the specific language governing permissions and
18    limitations under the License.
19
20 */
21
22 package org.apache.derby.client.net;
23
24 import org.apache.derby.client.am.SqlException;
25 import org.apache.derby.client.am.ClientMessageId;
26 import org.apache.derby.shared.common.reference.SQLState;
27
28 /**
29  * A concrete implementation of a CcsidMgr used to convert between Java UCS2 and Ebcdic as needed to handle character
30  * DDM Parameters. This implementation only supports converting from the ASCII invariant of UNICODE to Ebcdic. This
31  * should be fine since this class is intended for converting DDM Parameter data only.
32  */
33 public class EbcdicCcsidManager extends CcsidManager {
34
35     private static final int[] conversionArrayToEbcdic = {
36         0x0000, 0x0001, 0x0002, 0x0003, 0x0037, 0x002d, 0x002e, 0x002f
37         , 0x0016, 0x0005, 0x0025, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f
38         , 0x0010, 0x0011, 0x0012, 0x0013, 0x003c, 0x003d, 0x0032, 0x0026
39         , 0x0018, 0x0019, 0x003f, 0x0027, 0x001c, 0x001d, 0x001e, 0x001f
40         , 0x0040, 0x004f, 0x007f, 0x007b, 0x005b, 0x006c, 0x0050, 0x007d
41         , 0x004d, 0x005d, 0x005c, 0x004e, 0x006b, 0x0060, 0x004b, 0x0061
42         , 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7
43         , 0x00f8, 0x00f9, 0x007a, 0x005e, 0x004c, 0x007e, 0x006e, 0x006f
44         , 0x007c, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7
45         , 0x00c8, 0x00c9, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6
46         , 0x00d7, 0x00d8, 0x00d9, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6
47         , 0x00e7, 0x00e8, 0x00e9, 0x004a, 0x00e0, 0x005a, 0x005f, 0x006d
48         , 0x0079, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087
49         , 0x0088, 0x0089, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096
50         , 0x0097, 0x0098, 0x0099, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6
51         , 0x00a7, 0x00a8, 0x00a9, 0x00c0, 0x00bb, 0x00d0, 0x00a1, 0x0007
52         , 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0015, 0x0006, 0x0017
53         , 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x0009, 0x000a, 0x001b
54         , 0x0030, 0x0031, 0x001a, 0x0033, 0x0034, 0x0035, 0x0036, 0x0008
55         , 0x0038, 0x0039, 0x003a, 0x003b, 0x0004, 0x0014, 0x003e, 0x00ff
56         , 0x0041, 0x00aa, 0x00b0, 0x00b1, 0x009f, 0x00b2, 0x006a, 0x00b5
57         , 0x00bd, 0x00b4, 0x009a, 0x008a, 0x00ba, 0x00ca, 0x00af, 0x00bc
58         , 0x0090, 0x008f, 0x00ea, 0x00fa, 0x00be, 0x00a0, 0x00b6, 0x00b3
59         , 0x009d, 0x00da, 0x009b, 0x008b, 0x00b7, 0x00b8, 0x00b9, 0x00ab
60         , 0x0064, 0x0065, 0x0062, 0x0066, 0x0063, 0x0067, 0x009e, 0x0068
61         , 0x0074, 0x0071, 0x0072, 0x0073, 0x0078, 0x0075, 0x0076, 0x0077
62         , 0x00ac, 0x0069, 0x00ed, 0x00ee, 0x00eb, 0x00ef, 0x00ec, 0x00bf
63         , 0x0080, 0x00fd, 0x00fe, 0x00fb, 0x00fc, 0x00ad, 0x00ae, 0x0059
64         , 0x0044, 0x0045, 0x0042, 0x0046, 0x0043, 0x0047, 0x009c, 0x0048
65         , 0x0054, 0x0051, 0x0052, 0x0053, 0x0058, 0x0055, 0x0056, 0x0057
66         , 0x008c, 0x0049, 0x00cd, 0x00ce, 0x00cb, 0x00cf, 0x00cc, 0x00e1
67         , 0x0070, 0x00dd, 0x00de, 0x00db, 0x00dc, 0x008d, 0x008e, 0x00df
68     };
69
70     private static final int[] conversionArrayToUCS2 = {
71         0x0000, 0x0001, 0x0002, 0x0003, 0x009C, 0x0009, 0x0086, 0x007F
72         , 0x0097, 0x008D, 0x008E, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F
73         , 0x0010, 0x0011, 0x0012, 0x0013, 0x009D, 0x0085, 0x0008, 0x0087
74         , 0x0018, 0x0019, 0x0092, 0x008F, 0x001C, 0x001D, 0x001E, 0x001F
75         , 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x000A, 0x0017, 0x001B
76         , 0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x0005, 0x0006, 0x0007
77         , 0x0090, 0x0091, 0x0016, 0x0093, 0x0094, 0x0095, 0x0096, 0x0004
78         , 0x0098, 0x0099, 0x009A, 0x009B, 0x0014, 0x0015, 0x009E, 0x001A
79         , 0x0020, 0x00A0, 0x00E2, 0x00E4, 0x00E0, 0x00E1, 0x00E3, 0x00E5
80         , 0x00E7, 0x00F1, 0x005B, 0x002E, 0x003C, 0x0028, 0x002B, 0x0021
81         , 0x0026, 0x00E9, 0x00EA, 0x00EB, 0x00E8, 0x00ED, 0x00EE, 0x00EF
82         , 0x00EC, 0x00DF, 0x005D, 0x0024, 0x002A, 0x0029, 0x003B, 0x005E
83         , 0x002D, 0x002F, 0x00C2, 0x00C4, 0x00C0, 0x00C1, 0x00C3, 0x00C5
84         , 0x00C7, 0x00D1, 0x00A6, 0x002C, 0x0025, 0x005F, 0x003E, 0x003F
85         , 0x00F8, 0x00C9, 0x00CA, 0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF
86         , 0x00CC, 0x0060, 0x003A, 0x0023, 0x0040, 0x0027, 0x003D, 0x0022
87         , 0x00D8, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067
88         , 0x0068, 0x0069, 0x00AB, 0x00BB, 0x00F0, 0x00FD, 0x00FE, 0x00B1
89         , 0x00B0, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F, 0x0070
90         , 0x0071, 0x0072, 0x00AA, 0x00BA, 0x00E6, 0x00B8, 0x00C6, 0x00A4
91         , 0x00B5, 0x007E, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, 0x0078
92         , 0x0079, 0x007A, 0x00A1, 0x00BF, 0x00D0, 0x00DD, 0x00DE, 0x00AE
93         , 0x00A2, 0x00A3, 0x00A5, 0x00B7, 0x00A9, 0x00A7, 0x00B6, 0x00BC
94         , 0x00BD, 0x00BE, 0x00AC, 0x007C, 0x00AF, 0x00A8, 0x00B4, 0x00D7
95         , 0x007B, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047
96         , 0x0048, 0x0049, 0x00AD, 0x00F4, 0x00F6, 0x00F2, 0x00F3, 0x00F5
97         , 0x007D, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F, 0x0050
98         , 0x0051, 0x0052, 0x00B9, 0x00FB, 0x00FC, 0x00F9, 0x00FA, 0x00FF
99         , 0x005C, 0x00F7, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058
100         , 0x0059, 0x005A, 0x00B2, 0x00D4, 0x00D6, 0x00D2, 0x00D3, 0x00D5
101         , 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037
102         , 0x0038, 0x0039, 0x00B3, 0x00DB, 0x00DC, 0x00D9, 0x00DA, 0x009F
103     };
104
105     public EbcdicCcsidManager() {
106         super((byte) 0x40, // 0x40 is the ebcdic space character
107 (byte) 0x4B,
108                 new byte[]{//02132002jev begin
109 // '0', '1', '2', '3', '4',
110 (byte) 0xf0, (byte) 0xf1, (byte) 0xf2, (byte) 0xf3, (byte) 0xf4,
111                     // '5', '6', '7', '8', '9',
112 (byte) 0xf5, (byte) 0xf6, (byte) 0xf7, (byte) 0xf8, (byte) 0xf9,
113                     // 'A', 'B', 'C', 'D', 'E',
114 (byte) 0xc1, (byte) 0xc2, (byte) 0xc3, (byte) 0xc4, (byte) 0xc5,
115                     // 'F'
116 (byte) 0xc6},
117                 new byte[]{
118                     // 'G', 'H', 'I', 'J', 'K',
119 (byte) 0xc7, (byte) 0xc8, (byte) 0xc9, (byte) 0xd1, (byte) 0xd2,
120                     // 'L', 'M', 'N', '0', 'P',
121 (byte) 0xd3, (byte) 0xd4, (byte) 0xd5, (byte) 0xd6, (byte) 0xd7,
122                     // 'A', 'B', 'C', 'D', 'E',
123 (byte) 0xc1, (byte) 0xc2, (byte) 0xc3, (byte) 0xc4, (byte) 0xc5,
124                     // 'F'
125 (byte) 0xc6} //02132002jev end
126 );
127     }
128
129     public byte[] convertFromUCS2(String JavaDoc sourceString, org.apache.derby.client.am.Agent agent) throws SqlException {
130         byte[] bytes = new byte[sourceString.length()];
131         convertFromUCS2(sourceString, bytes, 0, agent);
132         return bytes;
133     }
134
135     public int convertFromUCS2(String JavaDoc sourceString,
136                                byte[] buffer,
137                                int offset,
138                                org.apache.derby.client.am.Agent agent) throws SqlException {
139         for (int i = 0; i < sourceString.length(); i++) {
140             char c = sourceString.charAt(i);
141             if (c > 0xff)
142             // buffer[offset++] = (byte) 63;
143 {
144                 throw new SqlException(agent.logWriter_,
145                     new ClientMessageId(SQLState.CANT_CONVERT_UNICODE_TO_EBCDIC));
146             } else {
147                 buffer[offset++] = (byte) (conversionArrayToEbcdic[c]);
148             }
149             ;
150         }
151         return offset;
152     }
153
154     String JavaDoc convertToUCS2(byte[] sourceBytes) {
155         int i = 0;
156         char[] theChars = new char[sourceBytes.length];
157         int num = 0;
158
159         for (i = 0; i < sourceBytes.length; i++) {
160             num = (sourceBytes[i] < 0) ? (sourceBytes[i] + 256) : sourceBytes[i];
161             theChars[i] = (char) conversionArrayToUCS2[num];
162         }
163
164         return new String JavaDoc(theChars);
165     }
166
167     String JavaDoc convertToUCS2(byte[] sourceBytes, int offset, int numToConvert) {
168         int i = 0, j = 0;
169         char[] theChars = new char[numToConvert];
170         int num = 0;
171
172         for (i = offset; i < (offset + numToConvert); i++) {
173             num = (sourceBytes[i] < 0) ? (sourceBytes[i] + 256) : sourceBytes[i];
174             theChars[j] = (char) conversionArrayToUCS2[num];
175             j++;
176         }
177         return new String JavaDoc(theChars);
178     }
179
180
181     char convertToUCS2Char(byte sourceByte) {
182         return (char) conversionArrayToUCS2[(sourceByte < 0) ? (sourceByte + 256) : sourceByte];
183     }
184
185 }
186
187
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