Source Code Cross Referenced for Catalina.java in  » Web-Server » Rimfaxe-Web-Server » org » apache » catalina » startup » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Server » Rimfaxe Web Server » org.apache.catalina.startup 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/startup/Catalina.java,v 1.48 2002/05/23 17:22:37 glenn Exp $
003:         * $Revision: 1.48 $
004:         * $Date: 2002/05/23 17:22:37 $
005:         *
006:         * ====================================================================
007:         *
008:         * The Apache Software License, Version 1.1
009:         *
010:         * Copyright (c) 1999 The Apache Software Foundation.  All rights
011:         * reserved.
012:         *
013:         * Redistribution and use in source and binary forms, with or without
014:         * modification, are permitted provided that the following conditions
015:         * are met:
016:         *
017:         * 1. Redistributions of source code must retain the above copyright
018:         *    notice, this list of conditions and the following disclaimer.
019:         *
020:         * 2. Redistributions in binary form must reproduce the above copyright
021:         *    notice, this list of conditions and the following disclaimer in
022:         *    the documentation and/or other materials provided with the
023:         *    distribution.
024:         *
025:         * 3. The end-user documentation included with the redistribution, if
026:         *    any, must include the following acknowlegement:
027:         *       "This product includes software developed by the
028:         *        Apache Software Foundation (http://www.apache.org/)."
029:         *    Alternately, this acknowlegement may appear in the software itself,
030:         *    if and wherever such third-party acknowlegements normally appear.
031:         *
032:         * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033:         *    Foundation" must not be used to endorse or promote products derived
034:         *    from this software without prior written permission. For written
035:         *    permission, please contact apache@apache.org.
036:         *
037:         * 5. Products derived from this software may not be called "Apache"
038:         *    nor may "Apache" appear in their names without prior written
039:         *    permission of the Apache Group.
040:         *
041:         * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042:         * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043:         * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044:         * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045:         * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048:         * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049:         * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050:         * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051:         * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052:         * SUCH DAMAGE.
053:         * ====================================================================
054:         *
055:         * This software consists of voluntary contributions made by many
056:         * individuals on behalf of the Apache Software Foundation.  For more
057:         * information on the Apache Software Foundation, please see
058:         * <http://www.apache.org/>.
059:         *
060:         * [Additional notices, if required by prior licensing conditions]
061:         *
062:         */
063:
064:        package org.apache.catalina.startup;
065:
066:        import java.io.File;
067:        import java.io.FileInputStream;
068:        import java.io.IOException;
069:        import java.io.OutputStream;
070:        import java.lang.reflect.InvocationTargetException;
071:        import java.lang.reflect.Constructor;
072:        import java.net.Socket;
073:        import java.security.Security;
074:        import java.util.Stack;
075:        import org.apache.catalina.Container;
076:        import org.apache.catalina.Lifecycle;
077:        import org.apache.catalina.LifecycleException;
078:        import org.apache.catalina.LifecycleListener;
079:        import org.apache.catalina.Server;
080:        import org.apache.catalina.Loader;
081:        import org.apache.commons.digester.Digester;
082:        import org.apache.commons.digester.Rule;
083:        import org.apache.tomcat.util.log.SystemLogHandler;
084:        import org.xml.sax.Attributes;
085:        import org.xml.sax.InputSource;
086:
087:        /**
088:         * Startup/Shutdown shell program for Catalina.  The following command line
089:         * options are recognized:
090:         * <ul>
091:         * <li><b>-config {pathname}</b> - Set the pathname of the configuration file
092:         *     to be processed.  If a relative path is specified, it will be
093:         *     interpreted as relative to the directory pathname specified by the
094:         *     "catalina.base" system property.   [conf/server.xml]
095:         * <li><b>-help</b> - Display usage information.
096:         * <li><b>-stop</b> - Stop the currently running instance of Catalina.
097:         * </u>
098:         *
099:         * @author Craig R. McClanahan
100:         * @version $Revision: 1.48 $ $Date: 2002/05/23 17:22:37 $
101:         */
102:
103:        public class Catalina {
104:
105:            // ----------------------------------------------------- Instance Variables
106:
107:            /**
108:             * Pathname to the server configuration file.
109:             */
110:            protected String configFile = "conf/server.xml";
111:
112:            /**
113:             * Set the debugging detail level on our Digester.
114:             */
115:            protected boolean debug = false;
116:
117:            /**
118:             * The shared extensions class loader for this server.
119:             */
120:            protected ClassLoader parentClassLoader = ClassLoader
121:                    .getSystemClassLoader();
122:
123:            /**
124:             * The server component we are starting or stopping
125:             */
126:            protected Server server = null;
127:
128:            /**
129:             * Are we starting a new server?
130:             */
131:            protected boolean starting = false;
132:
133:            /**
134:             * Are we stopping an existing server?
135:             */
136:            protected boolean stopping = false;
137:
138:            /**
139:             * Are we using naming ?
140:             */
141:            protected boolean useNaming = true;
142:
143:            // ----------------------------------------------------------- Main Program
144:
145:            /**
146:             * The application main program.
147:             *
148:             * @param args Command line arguments
149:             */
150:            public static void main(String args[]) {
151:
152:                (new Catalina()).process(args);
153:            }
154:
155:            /**
156:             * The instance main program.
157:             *
158:             * @param args Command line arguments
159:             */
160:            public void process(String args[]) {
161:
162:                setCatalinaHome();
163:                setCatalinaBase();
164:                try {
165:                    if (arguments(args))
166:                        execute();
167:                } catch (Exception e) {
168:                    e.printStackTrace(System.out);
169:                }
170:            }
171:
172:            // --------------------------------------------------------- Public Methods
173:
174:            /**
175:             * Set the shared extensions class loader.
176:             *
177:             * @param parentClassLoader The shared extensions class loader.
178:             */
179:            public void setParentClassLoader(ClassLoader parentClassLoader) {
180:
181:                this .parentClassLoader = parentClassLoader;
182:
183:            }
184:
185:            /**
186:             * Set the server instance we are configuring.
187:             *
188:             * @param server The new server
189:             */
190:            public void setServer(Server server) {
191:
192:                this .server = server;
193:
194:            }
195:
196:            // ------------------------------------------------------ Protected Methods
197:
198:            /**
199:             * Process the specified command line arguments, and return
200:             * <code>true</code> if we should continue processing; otherwise
201:             * return <code>false</code>.
202:             *
203:             * @param args Command line arguments to process
204:             */
205:            protected boolean arguments(String args[]) {
206:
207:                boolean isConfig = false;
208:
209:                if (args.length < 1) {
210:                    usage();
211:                    return (false);
212:                }
213:
214:                for (int i = 0; i < args.length; i++) {
215:                    if (isConfig) {
216:                        configFile = args[i];
217:                        isConfig = false;
218:                    } else if (args[i].equals("-config")) {
219:                        isConfig = true;
220:                    } else if (args[i].equals("-debug")) {
221:                        debug = true;
222:                    } else if (args[i].equals("-nonaming")) {
223:                        useNaming = false;
224:                    } else if (args[i].equals("-help")) {
225:                        usage();
226:                        return (false);
227:                    } else if (args[i].equals("start")) {
228:                        starting = true;
229:                    } else if (args[i].equals("stop")) {
230:                        stopping = true;
231:                    } else {
232:                        usage();
233:                        return (false);
234:                    }
235:                }
236:
237:                return (true);
238:
239:            }
240:
241:            /**
242:             * Return a File object representing our configuration file.
243:             */
244:            protected File configFile() {
245:
246:                File file = new File(configFile);
247:                if (!file.isAbsolute())
248:                    file = new File(System.getProperty("catalina.base"),
249:                            configFile);
250:                return (file);
251:
252:            }
253:
254:            /**
255:             * Create and configure the Digester we will be using for startup.
256:             */
257:            protected Digester createStartDigester() {
258:
259:                // Initialize the digester
260:                Digester digester = new Digester();
261:                if (debug)
262:                    digester.setDebug(999);
263:                digester.setValidating(false);
264:
265:                // Configure the actions we will be using
266:                digester.addObjectCreate("Server",
267:                        "org.apache.catalina.core.StandardServer", "className");
268:                digester.addSetProperties("Server");
269:                digester.addSetNext("Server", "setServer",
270:                        "org.apache.catalina.Server");
271:
272:                digester.addObjectCreate("Server/GlobalNamingResources",
273:                        "org.apache.catalina.deploy.NamingResources");
274:                digester.addSetProperties("Server/GlobalNamingResources");
275:                digester.addSetNext("Server/GlobalNamingResources",
276:                        "setGlobalNamingResources",
277:                        "org.apache.catalina.deploy.NamingResources");
278:
279:                digester.addObjectCreate("Server/Listener", null, // MUST be specified in the element
280:                        "className");
281:                digester.addSetProperties("Server/Listener");
282:                digester.addSetNext("Server/Listener", "addLifecycleListener",
283:                        "org.apache.catalina.LifecycleListener");
284:
285:                digester
286:                        .addObjectCreate("Server/Service",
287:                                "org.apache.catalina.core.StandardService",
288:                                "className");
289:                digester.addSetProperties("Server/Service");
290:                digester.addSetNext("Server/Service", "addService",
291:                        "org.apache.catalina.Service");
292:
293:                digester.addObjectCreate("Server/Service/Listener", null, // MUST be specified in the element
294:                        "className");
295:                digester.addSetProperties("Server/Service/Listener");
296:                digester.addSetNext("Server/Service/Listener",
297:                        "addLifecycleListener",
298:                        "org.apache.catalina.LifecycleListener");
299:
300:                digester.addObjectCreate("Server/Service/Connector",
301:                        "org.apache.catalina.connector.http.HttpConnector",
302:                        "className");
303:                digester.addSetProperties("Server/Service/Connector");
304:                digester.addSetNext("Server/Service/Connector", "addConnector",
305:                        "org.apache.catalina.Connector");
306:
307:                digester.addObjectCreate("Server/Service/Connector/Factory",
308:                        "org.apache.catalina.net.DefaultServerSocketFactory",
309:                        "className");
310:                digester.addSetProperties("Server/Service/Connector/Factory");
311:                digester.addSetNext("Server/Service/Connector/Factory",
312:                        "setFactory",
313:                        "org.apache.catalina.net.ServerSocketFactory");
314:
315:                digester.addObjectCreate("Server/Service/Connector/Listener",
316:                        null, // MUST be specified in the element
317:                        "className");
318:                digester.addSetProperties("Server/Service/Connector/Listener");
319:                digester.addSetNext("Server/Service/Connector/Listener",
320:                        "addLifecycleListener",
321:                        "org.apache.catalina.LifecycleListener");
322:
323:                // Add RuleSets for nested elements
324:                digester.addRuleSet(new NamingRuleSet(
325:                        "Server/GlobalNamingResources/"));
326:                digester.addRuleSet(new EngineRuleSet("Server/Service/"));
327:                digester.addRuleSet(new HostRuleSet("Server/Service/Engine/"));
328:                digester.addRuleSet(new ContextRuleSet(
329:                        "Server/Service/Engine/Default"));
330:                digester.addRuleSet(new NamingRuleSet(
331:                        "Server/Service/Engine/DefaultContext/"));
332:                digester.addRuleSet(new ContextRuleSet(
333:                        "Server/Service/Engine/Host/Default"));
334:                digester.addRuleSet(new NamingRuleSet(
335:                        "Server/Service/Engine/Host/DefaultContext/"));
336:                digester.addRuleSet(new ContextRuleSet(
337:                        "Server/Service/Engine/Host/"));
338:                digester.addRuleSet(new NamingRuleSet(
339:                        "Server/Service/Engine/Host/Context/"));
340:
341:                digester.addRule("Server/Service/Engine",
342:                        new SetParentClassLoaderRule(digester,
343:                                parentClassLoader));
344:
345:                return (digester);
346:
347:            }
348:
349:            /**
350:             * Create and configure the Digester we will be using for shutdown.
351:             */
352:            protected Digester createStopDigester() {
353:
354:                // Initialize the digester
355:                Digester digester = new Digester();
356:                if (debug)
357:                    digester.setDebug(999);
358:
359:                // Configure the rules we need for shutting down
360:                digester.addObjectCreate("Server",
361:                        "org.apache.catalina.core.StandardServer", "className");
362:                digester.addSetProperties("Server");
363:                digester.addSetNext("Server", "setServer",
364:                        "org.apache.catalina.Server");
365:
366:                return (digester);
367:
368:            }
369:
370:            /**
371:             * Execute the processing that has been configured from the command line.
372:             */
373:            protected void execute() throws Exception {
374:
375:                if (starting)
376:                    start();
377:                else if (stopping)
378:                    stop();
379:
380:            }
381:
382:            /**
383:             * Set the <code>catalina.base</code> System property to the current
384:             * working directory if it has not been set.
385:             */
386:            protected void setCatalinaBase() {
387:
388:                if (System.getProperty("catalina.base") != null)
389:                    return;
390:                System.setProperty("catalina.base", System
391:                        .getProperty("catalina.home"));
392:
393:            }
394:
395:            /**
396:             * Set the <code>catalina.home</code> System property to the current
397:             * working directory if it has not been set.
398:             */
399:            protected void setCatalinaHome() {
400:
401:                if (System.getProperty("catalina.home") != null)
402:                    return;
403:                System.setProperty("catalina.home", System
404:                        .getProperty("user.dir"));
405:
406:            }
407:
408:            /**
409:             * Start a new server instance.
410:             */
411:            protected void start() {
412:
413:                // Create and execute our Digester
414:                Digester digester = createStartDigester();
415:                File file = configFile();
416:                try {
417:                    InputSource is = new InputSource("file://"
418:                            + file.getAbsolutePath());
419:                    FileInputStream fis = new FileInputStream(file);
420:                    is.setByteStream(fis);
421:                    digester.push(this );
422:                    digester.parse(is);
423:                    fis.close();
424:                } catch (Exception e) {
425:                    System.out.println("Catalina.start: " + e);
426:                    e.printStackTrace(System.out);
427:                    System.exit(1);
428:                }
429:
430:                // Setting additional variables
431:                if (!useNaming) {
432:                    System.setProperty("catalina.useNaming", "false");
433:                } else {
434:                    System.setProperty("catalina.useNaming", "true");
435:                    String value = "org.apache.naming";
436:                    String oldValue = System
437:                            .getProperty(javax.naming.Context.URL_PKG_PREFIXES);
438:                    if (oldValue != null) {
439:                        value = value + ":" + oldValue;
440:                    }
441:                    System.setProperty(javax.naming.Context.URL_PKG_PREFIXES,
442:                            value);
443:                    value = System
444:                            .getProperty(javax.naming.Context.INITIAL_CONTEXT_FACTORY);
445:                    if (value == null) {
446:                        System.setProperty(
447:                                javax.naming.Context.INITIAL_CONTEXT_FACTORY,
448:                                "org.apache.naming.java.javaURLContextFactory");
449:                    }
450:                }
451:
452:                // If a SecurityManager is being used, set properties for
453:                // checkPackageAccess() and checkPackageDefinition
454:                if (System.getSecurityManager() != null) {
455:                    String access = Security.getProperty("package.access");
456:                    if (access != null && access.length() > 0)
457:                        access += ",";
458:                    else
459:                        access = "sun.,";
460:                    Security.setProperty("package.access", access
461:                            + "org.apache.catalina.,org.apache.jasper.");
462:                    String definition = Security
463:                            .getProperty("package.definition");
464:                    if (definition != null && definition.length() > 0)
465:                        definition += ",";
466:                    else
467:                        definition = "sun.,";
468:                    Security
469:                            .setProperty("package.definition",
470:                            // FIX ME package "javax." was removed to prevent HotSpot
471:                                    // fatal internal errors
472:                                    definition
473:                                            + "java.,org.apache.catalina.,org.apache.jasper.");
474:                }
475:
476:                // Replace System.out and System.err with a custom PrintStream
477:                SystemLogHandler log = new SystemLogHandler(System.out);
478:                System.setOut(log);
479:                System.setErr(log);
480:
481:                Thread shutdownHook = new CatalinaShutdownHook();
482:
483:                // Start the new server
484:                if (server instanceof  Lifecycle) {
485:                    try {
486:                        server.initialize();
487:                        ((Lifecycle) server).start();
488:                        try {
489:                            // Register shutdown hook
490:                            Runtime.getRuntime().addShutdownHook(shutdownHook);
491:                        } catch (Throwable t) {
492:                            // This will fail on JDK 1.2. Ignoring, as Tomcat can run
493:                            // fine without the shutdown hook.
494:                        }
495:                        // Wait for the server to be told to shut down
496:                        server.await();
497:                    } catch (LifecycleException e) {
498:                        System.out.println("Catalina.start: " + e);
499:                        e.printStackTrace(System.out);
500:                        if (e.getThrowable() != null) {
501:                            System.out.println("----- Root Cause -----");
502:                            e.getThrowable().printStackTrace(System.out);
503:                        }
504:                    }
505:                }
506:
507:                // Shut down the server
508:                if (server instanceof  Lifecycle) {
509:                    try {
510:                        try {
511:                            // Remove the ShutdownHook first so that server.stop() 
512:                            // doesn't get invoked twice
513:                            Runtime.getRuntime().removeShutdownHook(
514:                                    shutdownHook);
515:                        } catch (Throwable t) {
516:                            // This will fail on JDK 1.2. Ignoring, as Tomcat can run
517:                            // fine without the shutdown hook.
518:                        }
519:                        ((Lifecycle) server).stop();
520:                    } catch (LifecycleException e) {
521:                        System.out.println("Catalina.stop: " + e);
522:                        e.printStackTrace(System.out);
523:                        if (e.getThrowable() != null) {
524:                            System.out.println("----- Root Cause -----");
525:                            e.getThrowable().printStackTrace(System.out);
526:                        }
527:                    }
528:                }
529:
530:            }
531:
532:            /**
533:             * Stop an existing server instance.
534:             */
535:            protected void stop() {
536:
537:                // Create and execute our Digester
538:                Digester digester = createStopDigester();
539:                File file = configFile();
540:                try {
541:                    InputSource is = new InputSource("file://"
542:                            + file.getAbsolutePath());
543:                    FileInputStream fis = new FileInputStream(file);
544:                    is.setByteStream(fis);
545:                    digester.push(this );
546:                    digester.parse(is);
547:                    fis.close();
548:                } catch (Exception e) {
549:                    System.out.println("Catalina.stop: " + e);
550:                    e.printStackTrace(System.out);
551:                    System.exit(1);
552:                }
553:
554:                // Stop the existing server
555:                try {
556:                    Socket socket = new Socket("127.0.0.1", server.getPort());
557:                    OutputStream stream = socket.getOutputStream();
558:                    String shutdown = server.getShutdown();
559:                    for (int i = 0; i < shutdown.length(); i++)
560:                        stream.write(shutdown.charAt(i));
561:                    stream.flush();
562:                    stream.close();
563:                    socket.close();
564:                } catch (IOException e) {
565:                    System.out.println("Catalina.stop: " + e);
566:                    e.printStackTrace(System.out);
567:                    System.exit(1);
568:                }
569:
570:            }
571:
572:            /**
573:             * Print usage information for this application.
574:             */
575:            protected void usage() {
576:
577:                System.out
578:                        .println("usage: java org.apache.catalina.startup.Catalina"
579:                                + " [ -config {pathname} ] [ -debug ]"
580:                                + " [ -nonaming ] { start | stop }");
581:
582:            }
583:
584:            // --------------------------------------- CatalinaShutdownHook Inner Class
585:
586:            /**
587:             * Shutdown hook which will perform a clean shutdown of Catalina if needed.
588:             */
589:            protected class CatalinaShutdownHook extends Thread {
590:
591:                public void run() {
592:
593:                    if (server != null) {
594:                        try {
595:                            ((Lifecycle) server).stop();
596:                        } catch (LifecycleException e) {
597:                            System.out.println("Catalina.stop: " + e);
598:                            e.printStackTrace(System.out);
599:                            if (e.getThrowable() != null) {
600:                                System.out.println("----- Root Cause -----");
601:                                e.getThrowable().printStackTrace(System.out);
602:                            }
603:                        }
604:                    }
605:
606:                }
607:
608:            }
609:
610:        }
611:
612:        // ------------------------------------------------------------ Private Classes
613:
614:        /**
615:         * Rule that sets the parent class loader for the top object on the stack,
616:         * which must be a <code>Container</code>.
617:         */
618:
619:        final class SetParentClassLoaderRule extends Rule {
620:
621:            public SetParentClassLoaderRule(Digester digester,
622:                    ClassLoader parentClassLoader) {
623:
624:                super (digester);
625:                this .parentClassLoader = parentClassLoader;
626:
627:            }
628:
629:            ClassLoader parentClassLoader = null;
630:
631:            public void begin(Attributes attributes) throws Exception {
632:
633:                if (digester.getDebug() >= 1)
634:                    digester.log("Setting parent class loader");
635:
636:                Container top = (Container) digester.peek();
637:                top.setParentClassLoader(parentClassLoader);
638:
639:            }
640:
641:        }
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