| DynamicQueryFactoryImpl.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.dao.orm.hibernate;
24
25 import com.liferay.portal.kernel.dao.orm.DynamicQuery;
26 import com.liferay.portal.kernel.dao.orm.DynamicQueryFactory;
27
28 import java.util.HashMap;
29 import java.util.Map;
30
31 import org.hibernate.criterion.DetachedCriteria;
32
33 /**
34 * <a href="DynamicQueryFactoryImpl.java.html"><b><i>View Source</i></b></a>
35 *
36 * @author Brian Wing Shun Chan
37 *
38 */
39 public class DynamicQueryFactoryImpl implements DynamicQueryFactory {
40
41 public DynamicQuery forClass(Class clazz) {
42 clazz = getImplClass(clazz);
43
44 return new DynamicQueryImpl(DetachedCriteria.forClass(clazz));
45 }
46
47 public DynamicQuery forClass(Class clazz, String alias) {
48 clazz = getImplClass(clazz);
49
50 return new DynamicQueryImpl(DetachedCriteria.forClass(clazz, alias));
51 }
52
53 protected Class getImplClass(Class clazz) {
54 if (!clazz.getName().endsWith("Impl")) {
55 String implClassName =
56 clazz.getPackage().getName() + ".impl." +
57 clazz.getSimpleName() + "Impl";
58
59 clazz = _classMap.get(implClassName);
60
61 if (clazz == null) {
62 try {
63 clazz = Class.forName(implClassName);
64
65 _classMap.put(implClassName, clazz);
66 }
67 catch (Exception e) {
68 }
69 }
70 }
71
72 return clazz;
73 }
74
75 private Map<String, Class> _classMap = new HashMap<String, Class>();
76
77 }