Source Code Cross Referenced for ConsoleLauncher.java in  » Database-JDBC-Connection-Pool » sequoia-2.10.9 » org » continuent » sequoia » console » text » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » sequoia 2.10.9 » org.continuent.sequoia.console.text 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Sequoia: Database clustering technology.
003:         * Copyright (C) 2002-2004 French National Institute For Research In Computer
004:         * Science And Control (INRIA).
005:         * Contact: sequoia@continuent.org
006:         * 
007:         * Licensed under the Apache License, Version 2.0 (the "License");
008:         * you may not use this file except in compliance with the License.
009:         * You may obtain a copy of the License at
010:         * 
011:         * http://www.apache.org/licenses/LICENSE-2.0
012:         * 
013:         * Unless required by applicable law or agreed to in writing, software
014:         * distributed under the License is distributed on an "AS IS" BASIS,
015:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016:         * See the License for the specific language governing permissions and
017:         * limitations under the License. 
018:         *
019:         * Initial developer(s): Nicolas Modrzyk.
020:         * Contributor(s): Mathieu Peltier.
021:         */package org.continuent.sequoia.console.text;
022:
023:        import java.io.FileInputStream;
024:        import java.io.FileNotFoundException;
025:        import java.io.IOException;
026:        import java.io.InputStream;
027:        import java.net.InetAddress;
028:        import java.net.UnknownHostException;
029:        import java.util.Properties;
030:
031:        import org.apache.commons.cli.CommandLine;
032:        import org.apache.commons.cli.CommandLineParser;
033:        import org.apache.commons.cli.GnuParser;
034:        import org.apache.commons.cli.HelpFormatter;
035:        import org.apache.commons.cli.Option;
036:        import org.apache.commons.cli.OptionGroup;
037:        import org.apache.commons.cli.Options;
038:        import org.apache.commons.cli.ParseException;
039:        import org.continuent.sequoia.common.i18n.ConsoleTranslate;
040:        import org.continuent.sequoia.common.jmx.JmxConstants;
041:        import org.continuent.sequoia.common.util.Constants;
042:        import org.continuent.sequoia.console.jmx.RmiJmxClient;
043:        import org.continuent.sequoia.console.text.module.AbstractConsoleModule;
044:
045:        /**
046:         * This class defines a ConsoleLauncher
047:         * 
048:         * @author <a href="mailto:Nicolas.Modrzyk@inria.fr">Nicolas Modrzyk </a>
049:         * @author <a href="mailto:mathieu.peltier@inrialpes.fr">Mathieu Peltier </a>
050:         * @version 1.0
051:         */
052:        public class ConsoleLauncher {
053:            /**
054:             * Product name to be displayed at console startup
055:             */
056:            public static final String PRODUCT_NAME;
057:
058:            static {
059:                Properties props = new Properties();
060:                try {
061:                    String propertiesFile = System
062:                            .getProperty(
063:                                    "console.commands", //$NON-NLS-1$
064:                                    AbstractConsoleModule.DEFAULT_COMMAND_PROPERTIES_FILE);
065:                    props.load(ClassLoader
066:                            .getSystemResourceAsStream(propertiesFile));
067:                    PRODUCT_NAME = props.getProperty("product.name"); //$NON-NLS-1$
068:                } catch (IOException e) {
069:                    throw new ExceptionInInitializerError(e.getMessage());
070:                }
071:            }
072:
073:            /**
074:             * Launchs the Sequoia console. The available options are: <il>
075:             * <li><code>-d</code> or <code>--debug</code>: show stack trace when
076:             * error occurs.</li>
077:             * <li><code>-f</code> or <code>--file</code>: use a given file as the
078:             * source of commands instead of reading commands interactively.</li>
079:             * <li><code>-h</code> or <code>--help</code>: displays usage
080:             * information.</li>
081:             * <li><code>-i</code> or <code>--ip</code>: IP address of the host name
082:             * where the JMX Server hosting the controller is running (the default is
083:             * '0.0.0.0').</li>
084:             * <li><code>-n</code> or <code>--nocolor</code>: do not print colors in
085:             * interactive mode for supported systems.</li>
086:             * <li><code>-e</code> or <code>--exitonerror</code>: exit on error in
087:             * non interactive mode.</li>
088:             * <li><code>-p</code> or <code>--port</code>: JMX/RMI Port number of
089:             * (the default is
090:             * {@link org.continuent.sequoia.common.jmx.JmxConstants#DEFAULT_JMX_RMI_PORT}).
091:             * </li>
092:             * <li><code>-s</code> or <code>--secret</code>: password for JMX
093:             * connection.</li>
094:             * <li><code>-u</code> or <code>--username</code>: username for JMX
095:             * connection.</li>
096:             * <li><code>-m</code> or <code>--multiline</code>: enable multiline
097:             * statements in the SQL console (disabled by default for backwards
098:             * compatibility)</li>
099:             * <li><code>-r</code> or <code>--requestdelimiter</code>: Request
100:             * delimiter to use when multiline statement is enabled (<code>;</code> by
101:             * default) connection.</li>
102:             * <li><code>-v</code> or <code>--version</code>: displays version
103:             * information.</li>
104:             * </ul>
105:             * 
106:             * @param args command line arguments (see above)
107:             * @throws Exception if fails
108:             */
109:            public static void main(String[] args) throws Exception {
110:                // Create options object
111:                Options options = createOptions();
112:
113:                // Parse command line
114:                CommandLineParser parser = new GnuParser();
115:                CommandLine commandLine = null;
116:                try {
117:                    commandLine = parser.parse(options, args);
118:                } catch (ParseException e) {
119:                    System.err.println("Syntax error (" + e + ")");
120:                    printUsage(options);
121:                    System.exit(1);
122:                }
123:
124:                // Non-recognized options
125:                int n = commandLine.getArgs().length;
126:                for (int i = 0; i < n; i++) {
127:                    System.err.println("Syntax error (unrecognized option: "
128:                            + commandLine.getArgs()[i] + ")");
129:                    printUsage(options);
130:                    System.exit(1);
131:                }
132:
133:                // Handle --help option
134:                if (commandLine.hasOption('h')) {
135:                    if (commandLine.getOptions().length > 1)
136:                        System.err.println("Syntax error");
137:
138:                    printUsage(options);
139:                    System.exit(1);
140:                }
141:
142:                // Handle --version option
143:                if (commandLine.hasOption('v')) {
144:                    if (commandLine.getOptions().length > 1) {
145:                        System.err.println("Syntax error");
146:                        printUsage(options);
147:                    } else
148:                        System.out.println(ConsoleTranslate.get(
149:                                "console.version", new String[] { PRODUCT_NAME,
150:                                        Constants.VERSION }));
151:
152:                    System.exit(1);
153:                }
154:
155:                startTextConsole(commandLine);
156:            }
157:
158:            /**
159:             * Starts the text console with the given commandline
160:             * 
161:             * @param commandLine parameters for the text console
162:             * @throws Exception if fails
163:             */
164:            public static void startTextConsole(CommandLine commandLine)
165:                    throws Exception {
166:                // check if we are in interactive mode, and if so, output no traces
167:                boolean isInteractive = !commandLine.hasOption('f');
168:
169:                // Handle --ip option
170:                String ip;
171:                try {
172:                    // localhost
173:                    ip = InetAddress.getByName(null).getHostName();
174:                } catch (UnknownHostException e1) {
175:                    // not IPv6 compliant, but "null" is never unknown anyway
176:                    ip = "127.0.0.1";
177:                }
178:                if (commandLine.hasOption('i')) {
179:                    String tmp = commandLine.getOptionValue('i');
180:                    if (tmp != null) {
181:                        ip = tmp;
182:                    }
183:                }
184:
185:                boolean exitOnError = commandLine.hasOption('e');
186:
187:                // Handle --debug option
188:                boolean debug = commandLine.hasOption('d');
189:                // Handle --silent option
190:                boolean silent = commandLine.hasOption('l');
191:
192:                // Launch the console (handle --file option)
193:                Console console;
194:                InputStream in = null;
195:                if (commandLine.hasOption('f')) {
196:                    String filename = commandLine.getOptionValue('f');
197:                    if ("-".equals(filename)) {
198:                        in = System.in;
199:                    } else {
200:                        try {
201:                            in = new FileInputStream(filename);
202:                        } catch (FileNotFoundException e) {
203:                            System.err.println("Failed to open file '"
204:                                    + filename + "' (" + e + ")");
205:                            System.exit(1);
206:                        }
207:                    }
208:                } else {
209:                    System.out.println(ConsoleTranslate.get(
210:                            "console.interactive.mode", PRODUCT_NAME)); //$NON-NLS-1$
211:                    in = System.in;
212:                }
213:
214:                RmiJmxClient jmxClient = null;
215:                boolean sqlClientOnly = commandLine.hasOption('q');
216:                if (!sqlClientOnly) {
217:                    jmxClient = getJmxClient(commandLine, ip, exitOnError);
218:                }
219:                console = new Console(jmxClient, in, isInteractive, debug,
220:                        silent, exitOnError, sqlClientOnly);
221:                console.setPrintColor(!commandLine.hasOption('n'));
222:                console.enableMultilineStatements(commandLine.hasOption('m'));
223:                if (commandLine.hasOption('r')) {
224:                    console
225:                            .setRequestDelimiter(commandLine
226:                                    .getOptionValue('r'));
227:                }
228:                console.handlePrompt();
229:                System.exit(0);
230:            }
231:
232:            static RmiJmxClient getJmxClient(CommandLine commandLine,
233:                    String ip, boolean exitOnError) throws IOException {
234:                // Handle --port option
235:                int port;
236:                if (commandLine.hasOption('p')) {
237:                    String s = commandLine.getOptionValue('p');
238:                    if (s == null) {
239:                        port = JmxConstants.DEFAULT_JMX_RMI_PORT;
240:                    } else
241:                        try {
242:                            port = Integer.parseInt(s);
243:                        } catch (NumberFormatException e) {
244:                            System.err.println("Bad port number (" + e
245:                                    + "), using default "
246:                                    + JmxConstants.DEFAULT_JMX_RMI_PORT
247:                                    + " port number");
248:                            port = JmxConstants.DEFAULT_JMX_RMI_PORT;
249:                        }
250:                } else {
251:                    port = JmxConstants.DEFAULT_JMX_RMI_PORT;
252:                }
253:                // Handle --secret and --username options
254:                RmiJmxClient jmxClient = null;
255:                if (commandLine.hasOption('u') && commandLine.hasOption('s')) {
256:                    String username = commandLine.getOptionValue('u');
257:                    String password = commandLine.getOptionValue('s');
258:                    jmxClient = new RmiJmxClient("" + port, ip, username,
259:                            password);
260:                } else {
261:                    try {
262:                        jmxClient = new RmiJmxClient("" + port, ip, null);
263:                    } catch (Exception e) {
264:                        System.err
265:                                .println("Cannot connect to the administration port of the controller. Is a controller running at "
266:                                        + ip + ":" + port + " ?");
267:                        // SEQUOIA-714: exit the console if the flag ''--exitonerror' is
268:                        // set
269:                        if (exitOnError) {
270:                            System.exit(1);
271:                        }
272:                        // SEQUOIA-708: let the console start if the user wants to use
273:                        // the SQL
274:                        // console.
275:                    }
276:                }
277:
278:                return jmxClient;
279:            }
280:
281:            /**
282:             * Creates <code>Options</code> object that contains all available options
283:             * that can be used launching Sequoia console.
284:             * 
285:             * @return an <code>Options</code> instance
286:             */
287:            private static Options createOptions() {
288:                Options options = new Options();
289:                OptionGroup group = new OptionGroup();
290:
291:                // help, verbose, text only console and file options (mutually exclusive
292:                // options)
293:                group.addOption(new Option("h", "help", false,
294:                        "Displays usage information."));
295:                group.addOption(new Option("t", "text", false,
296:                        "Ignored - only for previous version compatibility."));
297:                group.addOption(new Option("v", "version", false,
298:                        "Displays version information."));
299:                group
300:                        .addOption(new Option(
301:                                "f",
302:                                "file",
303:                                true,
304:                                "Use a given file as the source of commands instead of reading commands interactively."));
305:                options.addOptionGroup(group);
306:
307:                /**
308:                 * Controller JMX ip option, defined in
309:                 * {@link org.continuent.sequoia.controller.core.ControllerConstants.DEFAULT_IP}
310:                 */
311:                String defaultIp = "0.0.0.0";
312:                // should probably better be: InetAddress.anyLocalAddress().getHostAddress()
313:                options.addOption(new Option("i", "ip", true,
314:                        "The JMX server of the controller binds to this address (the default is '"
315:                                + defaultIp + "')."));
316:
317:                // controller port option
318:                options.addOption(new Option("p", "port", true,
319:                        "JMX/RMI port number of (the default is "
320:                                + JmxConstants.DEFAULT_JMX_RMI_PORT + ")."));
321:
322:                // JMX options
323:                options.addOption(new Option("u", "username", true,
324:                        "Username for JMX connection."));
325:                options.addOption(new Option("s", "secret", true,
326:                        "Password for JMX connection."));
327:
328:                options.addOption(new Option("d", "debug", false,
329:                        "Show stack trace when error occurs."));
330:                options.addOption(new Option("l", "silent", false,
331:                        "Show only most meaningful messages."));
332:
333:                options
334:                        .addOption(new Option("n", "nocolor", false,
335:                                "Do not print colors in interactive mode for supported systems."));
336:
337:                options.addOption(new Option("e", "exitonerror", false,
338:                        "Stop on error in non interactive mode."));
339:
340:                options
341:                        .addOption(new Option("r", "requestdelimiter", true,
342:                                "Request delimiter for multiline statements in the SQL console."));
343:
344:                options.addOption(new Option("m", "multiline", false,
345:                        "Enable multiline statements in the SQL console."));
346:
347:                options.addOption(new Option("q", "sqlclient", false,
348:                        "Launch SQL client console."));
349:
350:                return options;
351:            }
352:
353:            /**
354:             * Displays usage message.
355:             * 
356:             * @param options available command line options
357:             */
358:            private static void printUsage(Options options) {
359:                String header = ConsoleTranslate.get("console.launches",
360:                        PRODUCT_NAME)
361:                        + System.getProperty("line.separator") + "Options:";
362:
363:                (new HelpFormatter()).printHelp(80,
364:                        "console(.sh|.bat) [options]", header, options, "");
365:            }
366:
367:        }
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