1 /*
2 * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
3 * the spring framework, http://el4j.sf.net
4 * Copyright (C) 2005 by ELCA Informatique SA, Av. de la Harpe 22-24,
5 * 1000 Lausanne, Switzerland, http://www.elca.ch
6 *
7 * EL4J is published under the GNU Lesser General Public License (LGPL)
8 * Version 2.1. See http://www.gnu.org/licenses/
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * For alternative licensing, please contact info@elca.ch
16 */
17 package ch.elca.el4j.services.search.criterias;
18
19 /**
20 * Criteria for the like pattern.
21 *
22 * @svnLink $Revision: 3880 $;$Date: 2009-08-04 15:17:52 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/core/src/main/java/ch/elca/el4j/services/search/criterias/LikeCriteria.java $
23 *
24 * @author Martin Zeltner (MZE)
25 */
26 public class LikeCriteria extends AbstractCriteria {
27 /**
28 * Marks whether the pattern is case sensitive.
29 */
30 private Boolean m_caseSensitive;
31
32 /**
33 * Default constructor for remoting protocols like hessian added.
34 */
35 protected LikeCriteria() { }
36
37 /**
38 * Hidden constructor.
39 *
40 * @param field Is the field the criteria is made for.
41 * @param value Is the value of this criteria.
42 * @param caseSensitive Marks if the pattern is case sensitive.
43 */
44 protected LikeCriteria(String field, String value,
45 boolean caseSensitive) {
46 super(field, value);
47 m_caseSensitive = Boolean.valueOf(caseSensitive);
48 }
49
50 /**
51 * @param field Is the field the criteria is made for.
52 * @param value Is the value of this criteria.
53 * @return Returns a case insensitive pattern criteria.
54 */
55 public static LikeCriteria caseInsensitive(String field, String value) {
56 return new LikeCriteria(field, value, false);
57 }
58
59 /**
60 * @param field Is the field the criteria is made for.
61 * @param value Is the value of this criteria.
62 * @return Returns a case sensitive pattern criteria.
63 */
64 public static LikeCriteria caseSensitive(String field, String value) {
65 return new LikeCriteria(field, value, true);
66 }
67
68 /**
69 * @return Returns <code>true</code> if it is case sensitive.
70 */
71 public final Boolean isCaseSensitive() {
72 return m_caseSensitive;
73 }
74
75 /**
76 * {@inheritDoc}
77 */
78 public String getType() {
79 return "like";
80 }
81
82 /**
83 * {@inheritDoc}
84 */
85 public String getSqlWhereCondition() {
86 // TODO: consider also case sensitivity
87 return " ( "+getField()+" LIKE "+getValue()+ " ) ";
88 }
89
90 }