| BeanLocatorImpl.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.bean;
24
25 import com.liferay.portal.kernel.bean.BeanLocator;
26 import com.liferay.portal.kernel.bean.BeanLocatorException;
27 import com.liferay.portal.spring.util.SpringUtil;
28
29 import java.util.HashSet;
30 import java.util.Set;
31
32 import org.apache.commons.logging.Log;
33 import org.apache.commons.logging.LogFactory;
34
35 import org.springframework.context.ApplicationContext;
36
37 /**
38 * <a href="BeanLocatorImpl.java.html"><b><i>View Source</i></b></a>
39 *
40 * @author Brian Wing Shun Chan
41 *
42 */
43 public class BeanLocatorImpl implements BeanLocator {
44
45 public Object locate(String name) throws BeanLocatorException {
46 return locate(name, _DEFAULT_WARN);
47 }
48
49 public Object locate(String name, boolean warn)
50 throws BeanLocatorException {
51
52 if (warn) {
53 if (_beans.contains(name)) {
54 if (_log.isWarnEnabled()) {
55 _log.warn(
56 "Cache the reference to " + name + " for better " +
57 "performance");
58 }
59 }
60 }
61
62 ApplicationContext ctx = SpringUtil.getContext();
63
64 if (_log.isDebugEnabled()) {
65 _log.debug("Locating " + name);
66 }
67
68 Object obj = ctx.getBean(name);
69
70 if (warn) {
71 _beans.add(name);
72 }
73
74 return obj;
75 }
76
77 private static final boolean _DEFAULT_WARN = true;
78
79 private static Log _log = LogFactory.getLog(BeanLocatorImpl.class);
80
81 private Set<Object> _beans = new HashSet<Object>();
82
83 }