1 /*
2 * $Source: /usr/cvsroot/melati/poem/src/main/java/org/melati/poem/DatePoemType.java,v $
3 * $Revision: 1.27 $
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@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 java.sql.Types;
49 import java.sql.Date;
50 import java.sql.ResultSet;
51 import java.sql.PreparedStatement;
52 import java.sql.SQLException;
53
54 /**
55 * A type for Normal dates.
56 */
57 public class DatePoemType extends AtomPoemType {
58
59 /**
60 * Constructor.
61 *
62 * @param nullable whether this type may contain <code>null</code>.
63 */
64 public DatePoemType(boolean nullable) {
65 super(Types.DATE, "DATE", nullable);
66 }
67 /**
68 * Constructor.
69 * @see org.melati.poem.dbms.SQLServer.SQLServerDatePoemType
70 */
71 public DatePoemType(int sqlTypeCode, String sqlTypeName, boolean nullable) {
72 super(sqlTypeCode, sqlTypeName, nullable);
73 }
74
75 protected void _assertValidRaw(Object raw) {
76 if (raw != null && !(raw instanceof Date))
77 throw new TypeMismatchPoemException(raw, this);
78 }
79
80 protected Object _getRaw(ResultSet rs, int col) throws SQLException {
81 return rs.getDate(col);
82 }
83
84 protected void _setRaw(PreparedStatement ps, int col, Object raw)
85 throws SQLException {
86 ps.setDate(col, (Date)raw);
87 }
88
89 /**
90 * HACK reformat DDMMYYYY dates to YYYY-MM-DD
91 * @see org.melati.poem.BasePoemType#_rawOfString(java.lang.String)
92 */
93 protected Object _rawOfString(String raw) {
94 if (raw.length() == 8)
95 return Date.valueOf(raw.substring(4,8)+ "-" +
96 raw.substring(2,4) + "-" +
97 raw.substring(0,2));
98 return Date.valueOf(raw);
99 }
100
101 protected String _stringOfCooked(Object cooked,
102 PoemLocale locale, int style) {
103 return locale.dateFormat(style).format((Date)cooked);
104 }
105
106 protected boolean _canRepresent(SQLPoemType other) {
107 return other instanceof DatePoemType;
108 }
109
110 /**
111 * The field type used in the Data Structure Definition language.
112 * {@inheritDoc}
113 * @see org.melati.poem.PoemType#toDsdType()
114 */
115 public String toDsdType() {
116 return "Date";
117 }
118
119 protected void _saveColumnInfo(ColumnInfo columnInfo)
120 throws AccessPoemException {
121 columnInfo.setTypefactory(PoemTypeFactory.DATE);
122 }
123 }