| DynamicQueryFactoryImpl.java |
1 /**
2 * Copyright (c) 2000-2009 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, ClassLoader classLoader) {
48 clazz = getImplClass(clazz, classLoader);
49
50 return new DynamicQueryImpl(DetachedCriteria.forClass(clazz));
51 }
52
53 public DynamicQuery forClass(Class clazz, String alias) {
54 clazz = getImplClass(clazz);
55
56 return new DynamicQueryImpl(DetachedCriteria.forClass(clazz, alias));
57 }
58
59 public DynamicQuery forClass(
60 Class clazz, String alias, ClassLoader classLoader) {
61
62 clazz = getImplClass(clazz, classLoader);
63
64 return new DynamicQueryImpl(DetachedCriteria.forClass(clazz, alias));
65 }
66
67 protected Class getImplClass(Class clazz) {
68 return getImplClass(clazz, null);
69 }
70
71 protected Class getImplClass(Class clazz, ClassLoader classLoader) {
72 if (!clazz.getName().endsWith("Impl")) {
73 String implClassName =
74 clazz.getPackage().getName() + ".impl." +
75 clazz.getSimpleName() + "Impl";
76
77 clazz = _classMap.get(implClassName);
78
79 if (clazz == null) {
80 try {
81 if (classLoader == null) {
82 Thread currentThread = Thread.currentThread();
83
84 classLoader = currentThread.getContextClassLoader();
85 }
86
87 clazz = classLoader.loadClass(implClassName);
88
89 _classMap.put(implClassName, clazz);
90 }
91 catch (Exception e) {
92 }
93 }
94 }
95
96 return clazz;
97 }
98
99 private Map<String, Class> _classMap = new HashMap<String, Class>();
100
101 }