1 /*
2 * JasperReports - Free Java Reporting Library.
3 * Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
4 * http://www.jaspersoft.com
5 *
6 * Unless you have purchased a commercial license agreement from Jaspersoft,
7 * the following license terms apply:
8 *
9 * This program is part of JasperReports.
10 *
11 * JasperReports is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * JasperReports is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public License
22 * along with JasperReports. If not, see <http://www.gnu.org/licenses/>.
23 */
24 package net.sf.jasperreports.types.date;
25
26 import java.util.Date;
27
28 import net.sf.jasperreports.engine.query.JRQueryClauseContext;
29
30 /**
31 * @author Lucian Chirita (lucianc@users.sourceforge.net)
32 */
33 public class DateRangeSQLEqualClause extends DateRangeBaseSQLEqualityClause
34 {
35
36 private static final DateRangeSQLEqualClause INSTANCE = new DateRangeSQLEqualClause();
37
38 public static DateRangeSQLEqualClause instance()
39 {
40 return INSTANCE;
41 }
42
43 protected DateRangeSQLEqualClause()
44 {
45 }
46
47 @Override
48 protected void applyDateRange(JRQueryClauseContext queryContext,
49 String column, DateRange dateRange)
50 {
51 StringBuffer queryBuffer = queryContext.queryBuffer();
52 if (dateRange == null || dateRange.getStart() == null || dateRange.getEnd() == null)
53 {
54 queryBuffer.append(column).append(" IS NULL");
55 }
56 else
57 {
58 Date start = dateRange.getStart();
59 Date end = dateRange.getEnd();
60 if (start.equals(end))
61 {
62 queryBuffer.append(column).append(" = ?");
63 queryContext.addQueryParameter(null, start);
64 }
65 else
66 {
67 queryBuffer.append(column).append(" >= ? AND ").append(column).append(" <= ?");
68 queryContext.addQueryParameter(null, start);
69 queryContext.addQueryParameter(null, end);
70 }
71 }
72 }
73
74 }
75