1 /*
2 * $Source$
3 * $Revision$
4 *
5 * Copyright (C) 2000 William Chesters
6 *
7 * Part of Melati (http://melati.org), a framework for the rapid
8 * development of clean, maintainable web applications.
9 *
10 * Melati is free software; Permission is granted to copy, distribute
11 * and/or modify this software under the terms either:
12 *
13 * a) the GNU General Public License as published by the Free Software
14 * Foundation; either version 2 of the License, or (at your option)
15 * any later version,
16 *
17 * or
18 *
19 * b) any version of the Melati Software License, as published
20 * at http://melati.org
21 *
22 * You should have received a copy of the GNU General Public License and
23 * the Melati Software License along with this program;
24 * if not, write to the Free Software Foundation, Inc.,
25 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26 * GNU General Public License and visit http://melati.org to obtain the
27 * Melati Software License.
28 *
29 * Feel free to contact the Developers of Melati (http://melati.org),
30 * if you would like to work out a different arrangement than the options
31 * outlined here. It is our intention to allow Melati to be used by as
32 * wide an audience as possible.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * Contact details for copyright holder:
40 *
41 * William Chesters <williamc At paneris.org>
42 * http://paneris.org/~williamc
43 * Obrechtstraat 114, 2517VX Den Haag, The Netherlands
44 */
45
46 package org.melati.poem;
47
48 import org.melati.poem.dbms.Dbms;
49
50 /**
51 * Base class for all atomic types.
52 * <p>
53 * Currently all types, as generated classes are instances of IntegerPoemType.
54 */
55 public abstract class AtomPoemType<T> extends BasePoemType<T> {
56
57 protected String sqlTypeName;
58
59 /**
60 * Constructor.
61 * @param sqlTypeCode from Types
62 * @param sqlTypeName SQL Type name
63 * @param nullable whether null is an allowed value
64 */
65 public AtomPoemType(int sqlTypeCode, String sqlTypeName, boolean nullable) {
66 super(sqlTypeCode, nullable);
67 this.sqlTypeName = sqlTypeName;
68 }
69
70 protected String _quotedRaw(Object raw) {
71 return _stringOfRaw(raw);
72 }
73
74 protected String _stringOfRaw(Object raw) {
75 return raw.toString();
76 }
77
78 protected void _assertValidCooked(Object cooked)
79 throws ValidationPoemException {
80 _assertValidRaw(cooked);
81 }
82
83 /**
84 * Returns the given value unchanged.
85 */
86 protected Object _cookedOfRaw(Object raw) throws PoemException {
87 return raw;
88 }
89
90 /**
91 * Returns the given value unchanged.
92 * FIXME needs to be duplicated in each type
93 */
94
95 @SuppressWarnings("unchecked")
96 protected T _rawOfCooked(Object cooked) {
97 return (T)cooked;
98 }
99
100 protected String _stringOfCooked(Object cooked,
101 PoemLocale locale, int style) {
102 return _stringOfRaw(_rawOfCooked(cooked));
103 }
104
105 protected String _sqlDefinition(Dbms dbms) {
106 return dbms.getSqlDefinition(sqlTypeName);
107 }
108
109 public String sqlDefaultValue(Dbms dbms) {
110 return dbms.getSqlDefaultValue(this);
111 }
112
113
114 protected String _toString() {
115 return sqlTypeName;
116 }
117 }