001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.util;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     */
023    public class ServerDetector {
024    
025            public static final String GERONIMO_ID = "geronimo";
026    
027            public static final String GLASSFISH_ID = "glassfish";
028    
029            public static final String JBOSS_ID = "jboss";
030    
031            public static final String JETTY_ID = "jetty";
032    
033            public static final String JONAS_ID = "jonas";
034    
035            public static final String OC4J_ID = "oc4j";
036    
037            public static final String RESIN_ID = "resin";
038    
039            public static final String TOMCAT_ID = "tomcat";
040    
041            public static final String WEBLOGIC_ID = "weblogic";
042    
043            public static final String WEBSPHERE_ID = "websphere";
044    
045            public static ServerDetector getInstance() {
046                    if (_instance == null) {
047                            _instance = new ServerDetector();
048    
049                            _instance._init();
050                    }
051    
052                    return _instance;
053            }
054    
055            public static String getServerId() {
056                    return getInstance()._serverId;
057            }
058    
059            public static void init(String serverId) {
060                    ServerDetector serverDetector = new ServerDetector();
061    
062                    serverDetector._serverId = serverId;
063    
064                    if (serverId.equals(GERONIMO_ID)) {
065                            serverDetector._geronimo = true;
066                    }
067                    else if (serverId.equals(GLASSFISH_ID)) {
068                            serverDetector._glassfish = true;
069                    }
070                    else if (serverId.equals(JBOSS_ID)) {
071                            serverDetector._jBoss = true;
072                    }
073                    else if (serverId.equals(JETTY_ID)) {
074                            serverDetector._jetty = true;
075                    }
076                    else if (serverId.equals(JONAS_ID)) {
077                            serverDetector._jonas = true;
078                    }
079                    else if (serverId.equals(OC4J_ID)) {
080                            serverDetector._oc4j = true;
081                    }
082                    else if (serverId.equals(RESIN_ID)) {
083                            serverDetector._resin = true;
084                    }
085                    else if (serverId.equals(TOMCAT_ID)) {
086                            serverDetector._tomcat = true;
087                    }
088                    else if (serverId.equals(WEBLOGIC_ID)) {
089                            serverDetector._webLogic = true;
090                    }
091                    else if (serverId.equals(WEBSPHERE_ID)) {
092                            serverDetector._webSphere = true;
093                    }
094                    else {
095                            serverDetector._init();
096                    }
097    
098                    _instance = serverDetector;
099            }
100    
101            public static boolean isGeronimo() {
102                    return getInstance()._geronimo;
103            }
104    
105            public static boolean isGlassfish() {
106                    return getInstance()._glassfish;
107            }
108    
109            public static boolean isJBoss() {
110                    return getInstance()._jBoss;
111            }
112    
113            public static boolean isJetty() {
114                    return getInstance()._jetty;
115            }
116    
117            public static boolean isJOnAS() {
118                    return getInstance()._jonas;
119            }
120    
121            public static boolean isOC4J() {
122                    return getInstance()._oc4j;
123            }
124    
125            public static boolean isResin() {
126                    return getInstance()._resin;
127            }
128    
129            public static boolean isSupportsComet() {
130                    return getInstance()._supportsComet;
131            }
132    
133            public static boolean isTomcat() {
134                    return getInstance()._tomcat;
135            }
136    
137            public static boolean isWebLogic() {
138                    return getInstance()._webLogic;
139            }
140    
141            public static boolean isWebSphere() {
142                    return getInstance()._webSphere;
143            }
144    
145            private boolean _detect(String className) {
146                    try {
147                            ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
148    
149                            systemClassLoader.loadClass(className);
150    
151                            return true;
152                    }
153                    catch (ClassNotFoundException cnfe) {
154                            Class<?> clazz = getClass();
155    
156                            if (clazz.getResource(className) != null) {
157                                    return true;
158                            }
159                            else {
160                                    return false;
161                            }
162                    }
163            }
164    
165            private boolean _hasSystemProperty(String key) {
166                    String value = System.getProperty(key);
167    
168                    if (value != null) {
169                            return true;
170                    }
171                    else {
172                            return false;
173                    }
174            }
175    
176            private void _init() {
177                    if (_isGeronimo()) {
178                            _serverId = GERONIMO_ID;
179                            _geronimo = true;
180                    }
181                    else if (_isGlassfish()) {
182                            _serverId = GLASSFISH_ID;
183                            _glassfish = true;
184                    }
185                    else if (_isJBoss()) {
186                            _serverId = JBOSS_ID;
187                            _jBoss = true;
188                    }
189                    else if (_isJOnAS()) {
190                            _serverId = JONAS_ID;
191                            _jonas = true;
192                    }
193                    else if (_isOC4J()) {
194                            _serverId = OC4J_ID;
195                            _oc4j = true;
196                    }
197                    else if (_isResin()) {
198                            _serverId = RESIN_ID;
199                            _resin = true;
200                    }
201                    else if (_isWebLogic()) {
202                            _serverId = WEBLOGIC_ID;
203                            _webLogic = true;
204                    }
205                    else if (_isWebSphere()) {
206                            _serverId = WEBSPHERE_ID;
207                            _webSphere = true;
208                    }
209    
210                    if (_serverId == null) {
211                            if (_isJetty()) {
212                                    _serverId = JETTY_ID;
213                                    _jetty = true;
214                            }
215                            else if (_isTomcat()) {
216                                    _serverId = TOMCAT_ID;
217                                    _tomcat = true;
218                            }
219                    }
220    
221                    if (System.getProperty("external-properties") == null) {
222                            if (_log.isInfoEnabled()) {
223                                    if (_serverId != null) {
224                                            _log.info("Detected server " + _serverId);
225                                    }
226                                    else {
227                                            _log.info("No server detected");
228                                    }
229                            }
230                    }
231    
232                    /*if (_serverId == null) {
233                            throw new RuntimeException("Server is not supported");
234                    }*/
235            }
236    
237            private boolean _isGeronimo() {
238                    return _hasSystemProperty("org.apache.geronimo.home.dir");
239            }
240    
241            private boolean _isGlassfish() {
242                    return _hasSystemProperty("com.sun.aas.instanceRoot");
243            }
244    
245            private boolean _isJBoss() {
246                    return _hasSystemProperty("jboss.home.dir");
247            }
248    
249            private boolean _isJetty() {
250                    return _hasSystemProperty("jetty.home");
251            }
252    
253            private boolean _isJOnAS() {
254                    return _hasSystemProperty("jonas.base");
255            }
256    
257            private boolean _isOC4J() {
258                    return _detect("oracle.oc4j.util.ClassUtils");
259            }
260    
261            private boolean _isResin() {
262                    return _hasSystemProperty("resin.home");
263            }
264    
265            private boolean _isTomcat() {
266                    return _hasSystemProperty("catalina.base");
267            }
268    
269            private boolean _isWebLogic() {
270                    return _detect("/weblogic/Server.class");
271            }
272    
273            private boolean _isWebSphere() {
274                    return _detect("/com/ibm/websphere/product/VersionInfo.class");
275            }
276    
277            private static Log _log = LogFactoryUtil.getLog(ServerDetector.class);
278    
279            private static ServerDetector _instance;
280    
281            private boolean _geronimo;
282            private boolean _glassfish;
283            private boolean _jBoss;
284            private boolean _jetty;
285            private boolean _jonas;
286            private boolean _oc4j;
287            private boolean _resin;
288            private String _serverId;
289            private boolean _supportsComet;
290            private boolean _tomcat;
291            private boolean _webLogic;
292            private boolean _webSphere;
293    
294    }