1 /**
2 * This file Copyright (c) 2008-2010 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.debug;
35
36 import java.util.Iterator;
37 import java.util.Map;
38
39 import org.apache.commons.collections.Factory;
40 import org.apache.commons.collections.MapUtils;
41 import org.apache.commons.collections.map.LinkedMap;
42
43 import info.magnolia.context.MgnlContext;
44
45 /**
46 * Key based time measuring.
47 *
48 * @author philipp
49 * @version $Id: PerformanceTestStatus.java 32667 2010-03-13 00:37:06Z gjoseph $
50 *
51 */
52 public class PerformanceTestStatus {
53
54 private static final String ATTRIBUTE_NAME = PerformanceTestStatus.class.getName();
55
56 class TestStatus{
57 long start = -1;
58 long total = -1;
59 }
60
61 Map states = MapUtils.lazyMap(new LinkedMap(), new Factory() {
62 public Object create() {
63 return new TestStatus();
64 }
65 });
66
67 public void start(String key){
68 getTestStatus(key).start = System.currentTimeMillis();
69 }
70
71 private TestStatus getTestStatus(String key) {
72 return ((TestStatus)states.get(key));
73 }
74
75 public void stop(String key){
76 TestStatus status = getTestStatus(key);
77 status.total += System.currentTimeMillis() - status.start;
78 }
79
80 public static PerformanceTestStatus getInstance() {
81 if(!MgnlContext.hasAttribute(ATTRIBUTE_NAME)) {
82 MgnlContext.setAttribute(ATTRIBUTE_NAME, new PerformanceTestStatus());
83 }
84 return (PerformanceTestStatus) MgnlContext.getAttribute(ATTRIBUTE_NAME);
85 }
86
87 public String toString() {
88 StringBuffer str = new StringBuffer();
89 final Iterator it = states.entrySet().iterator();
90 while(it.hasNext()) {
91 Map.Entry entry = (Map.Entry) it.next();
92 final TestStatus testStatus = (TestStatus) entry.getValue();
93 final String value = testStatus.total >= 0 ? String.valueOf(testStatus.total) : "(not stopped yet)";
94 str.append(entry.getKey());
95 str.append(": ");
96 str.append(value);
97 if (it.hasNext()) {
98 str.append(", ");
99 }
100 }
101 return str.toString();
102 }
103
104 }