01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portal.bean;
22:
23: import com.liferay.portal.kernel.bean.BeanLocator;
24: import com.liferay.portal.kernel.bean.BeanLocatorException;
25: import com.liferay.portal.spring.util.SpringUtil;
26: import com.liferay.util.CollectionFactory;
27:
28: import java.util.Set;
29:
30: import org.apache.commons.logging.Log;
31: import org.apache.commons.logging.LogFactory;
32:
33: import org.springframework.context.ApplicationContext;
34:
35: /**
36: * <a href="BeanLocatorImpl.java.html"><b><i>View Source</i></b></a>
37: *
38: * @author Brian Wing Shun Chan
39: *
40: */
41: public class BeanLocatorImpl implements BeanLocator {
42:
43: public Object locate(String name) throws BeanLocatorException {
44: return locate(name, _DEFAULT_WARN);
45: }
46:
47: public Object locate(String name, boolean warn)
48: throws BeanLocatorException {
49:
50: if (warn) {
51: if (_beans.contains(name)) {
52: if (_log.isWarnEnabled()) {
53: _log.warn("Cache the reference to " + name
54: + " for better " + "performance");
55: }
56: }
57: }
58:
59: ApplicationContext ctx = SpringUtil.getContext();
60:
61: if (_log.isDebugEnabled()) {
62: _log.debug("Locating " + name);
63: }
64:
65: Object obj = ctx.getBean(name);
66:
67: if (warn) {
68: _beans.add(name);
69: }
70:
71: return obj;
72: }
73:
74: private static final boolean _DEFAULT_WARN = true;
75:
76: private static Log _log = LogFactory.getLog(BeanLocatorImpl.class);
77:
78: private Set _beans = CollectionFactory.getHashSet();
79:
80: }
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