001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.performance.bundle;
043:
044: import org.netbeans.performance.Benchmark;
045: import java.util.Properties;
046:
047: /**
048: * Benchmark measuring the difference between using plain Properties
049: * vs. Properties that intern either keys of both keys and vaules.
050: *
051: * @author Petr Nejedly
052: * @version 1.0
053: */
054: public class PropertiesTest extends Benchmark {
055:
056: public PropertiesTest(String name) {
057: super (name);
058: }
059:
060: Properties[] holder;
061:
062: protected void setUp() {
063: holder = new Properties[getIterationCount()];
064: }
065:
066: /** Creates an instance of standard java.util.Properties and feeds it with
067: * a stream from a Bundle.properties.file
068: */
069: public void testOriginalProperties() throws Exception {
070: int count = getIterationCount();
071:
072: while (count-- > 0) {
073: holder[count] = new Properties();
074: holder[count].load(PropertiesTest.class
075: .getResourceAsStream("Bundle.properties"));
076: }
077: }
078:
079: /** Creates an instance of a special subclass of java.util.Properties
080: * which interns keys during properties parsing, then
081: * feeds it with a stream from a Bundle.properties.file
082: */
083: public void testInternKeys() throws Exception {
084: int count = getIterationCount();
085:
086: while (count-- > 0) {
087: holder[count] = new KeyProperties();
088: holder[count].load(PropertiesTest.class
089: .getResourceAsStream("Bundle.properties"));
090: }
091: }
092:
093: /** Creates an instance of a special subclass of java.util.Properties
094: * which interns both keys and parsed strings during properties parsing,
095: * then feeds it with a stream from a Bundle.properties.file
096: */
097: public void testInternBoth() throws Exception {
098: int count = getIterationCount();
099:
100: while (count-- > 0) {
101: holder[count] = new BothProperties();
102: holder[count].load(PropertiesTest.class
103: .getResourceAsStream("Bundle.properties"));
104: }
105: }
106:
107: public static void main(String[] args) {
108: simpleRun(PropertiesTest.class);
109: }
110:
111: private static class KeyProperties extends java.util.Properties {
112: public KeyProperties() {
113: super ();
114: }
115:
116: public Object put(Object key, Object value) {
117: return super .put(key.toString().intern(), value);
118: }
119: }
120:
121: private static class BothProperties extends java.util.Properties {
122: public BothProperties() {
123: super ();
124: }
125:
126: public Object put(Object key, Object value) {
127: return super.put(key.toString().intern(), value.toString()
128: .intern());
129: }
130: }
131: }
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