Source Code Cross Referenced for SimpleListener.java in  » Development » protomatter » com » protomatter » jdbc » sl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Development » protomatter » com.protomatter.jdbc.sl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


0001:        package com.protomatter.jdbc.sl;
0002:
0003:        /**
0004:         *  {{{ The Protomatter Software License, Version 1.0
0005:         *  derived from The Apache Software License, Version 1.1
0006:         *
0007:         *  Copyright (c) 1998-2002 Nate Sammons.  All rights reserved.
0008:         *
0009:         *  Redistribution and use in source and binary forms, with or without
0010:         *  modification, are permitted provided that the following conditions
0011:         *  are met:
0012:         *
0013:         *  1. Redistributions of source code must retain the above copyright
0014:         *     notice, this list of conditions and the following disclaimer.
0015:         *
0016:         *  2. Redistributions in binary form must reproduce the above copyright
0017:         *     notice, this list of conditions and the following disclaimer in
0018:         *     the documentation and/or other materials provided with the
0019:         *     distribution.
0020:         *
0021:         *  3. The end-user documentation included with the redistribution,
0022:         *     if any, must include the following acknowledgment:
0023:         *        "This product includes software developed for the
0024:         *         Protomatter Software Project
0025:         *         (http://protomatter.sourceforge.net/)."
0026:         *     Alternately, this acknowledgment may appear in the software itself,
0027:         *     if and wherever such third-party acknowledgments normally appear.
0028:         *
0029:         *  4. The names "Protomatter" and "Protomatter Software Project" must
0030:         *     not be used to endorse or promote products derived from this
0031:         *     software without prior written permission. For written
0032:         *     permission, please contact support@protomatter.com.
0033:         *
0034:         *  5. Products derived from this software may not be called "Protomatter",
0035:         *     nor may "Protomatter" appear in their name, without prior written
0036:         *     permission of the Protomatter Software Project
0037:         *     (support@protomatter.com).
0038:         *
0039:         *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
0040:         *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
0041:         *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
0042:         *  DISCLAIMED.  IN NO EVENT SHALL THE PROTOMATTER SOFTWARE PROJECT OR
0043:         *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
0044:         *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
0045:         *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
0046:         *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
0047:         *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
0048:         *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
0049:         *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
0050:         *  SUCH DAMAGE.   }}}
0051:         */
0052:
0053:        import java.sql.*;
0054:        import java.text.*;
0055:        import java.io.*;
0056:        import java.util.*;
0057:        import java.lang.reflect.*;
0058:        import com.protomatter.Protomatter;
0059:
0060:        /**
0061:         *  A simple SQL tool.  Run it, and type "help".
0062:         *  A list of files are taken as command line arguments -- each
0063:         *  of these files are run as command files at startup.
0064:         */
0065:        public class SimpleListener {
0066:            private Connection connection;
0067:            private Driver driver;
0068:            private String url;
0069:            private Properties props;
0070:
0071:            private String lastCommandLine = "";
0072:            private Vector history = new Vector();
0073:            private int historySize = 20;
0074:            private String prompt = "SL> ";
0075:            private String morePrompt = "";
0076:            private boolean showStackTrace = false;
0077:            private boolean showQuotes = false;
0078:            private String defaultSchema = null;
0079:
0080:            private SimpleListener() {
0081:                super ();
0082:            }
0083:
0084:            public static void main(String args[]) {
0085:                SimpleListener s = new SimpleListener();
0086:                try {
0087:                    if (args.length > 0) {
0088:                        for (int i = 0; i < args.length; i++) {
0089:                            String file = args[i];
0090:                            Vector theArgs = new Vector();
0091:                            theArgs.addElement(file);
0092:                            s.handleCommand_run(theArgs);
0093:                        }
0094:                    }
0095:                    s.commandLoop();
0096:                } catch (Exception x) {
0097:                    x.printStackTrace();
0098:                }
0099:            }
0100:
0101:            private void commandLoop() throws IOException {
0102:                // try a statement
0103:                BufferedReader reader = new BufferedReader(
0104:                        new InputStreamReader(System.in));
0105:                String line = "";
0106:                System.out.print(prompt);
0107:                System.out.flush();
0108:                while ((line = reader.readLine()) != null) {
0109:                    StringBuffer cmd = new StringBuffer();
0110:                    while (!line.equals("") && !line.endsWith(";")
0111:                            && !line.endsWith("/")) {
0112:                        if (!line.startsWith("#") && !line.startsWith("--")) {
0113:                            cmd.append(line);
0114:                            cmd.append(" ");
0115:                        }
0116:                        System.out.print(morePrompt);
0117:                        System.out.flush();
0118:                        line = reader.readLine();
0119:                    }
0120:                    if (!line.equals("") && !line.startsWith("#")
0121:                            && !line.startsWith("--"))
0122:                        cmd.append(line.substring(0, line.length() - 1));
0123:                    executeCommand(cmd.toString());
0124:                    System.out.print(prompt);
0125:                    System.out.flush();
0126:                }
0127:            }
0128:
0129:            private void executeCommand(String line) throws IOException {
0130:                if (line.equals("/")) {
0131:                    line = lastCommandLine;
0132:                    System.out.println("");
0133:                    System.out.println("Executing last command:");
0134:                    System.out.println("  " + lastCommandLine);
0135:                    System.out.println("");
0136:                }
0137:
0138:                if (line.startsWith("!")) {
0139:                    int index = 0;
0140:                    try {
0141:                        index = Integer.parseInt(line.substring(1));
0142:                        line = getHistoryCommand(index);
0143:                        System.out.println("");
0144:                        System.out.println("Executing command from history:");
0145:                        System.out.println("  " + line);
0146:                        System.out.println("");
0147:                    } catch (Exception x) {
0148:                        System.out.println("What?");
0149:                        line = "";
0150:                    }
0151:                }
0152:
0153:                if (!line.equals("")) {
0154:                    lastCommandLine = line;
0155:                    addToHistory(line);
0156:                    try {
0157:                        StringTokenizer st = new StringTokenizer(line);
0158:                        String commandName = st.nextToken();
0159:                        if (commandName.equals("connect")) {
0160:                            // different handling here for "connect" because
0161:                            // some drivers put spaces into their URLs.  Bah!
0162:                            long time = System.currentTimeMillis();
0163:                            handleCommand_connect(line.substring(7).trim());
0164:                            time = System.currentTimeMillis() - time;
0165:                            System.out.println("Command took " + time + "ms");
0166:                        } else {
0167:                            Class c = this .getClass();
0168:                            Class params[] = new Class[1];
0169:                            Vector args = new Vector();
0170:                            String s = null;
0171:                            while (st.hasMoreTokens()) {
0172:                                args.addElement(st.nextToken());
0173:                            }
0174:                            try {
0175:                                params[0] = Class.forName("java.util.Vector");
0176:                            } catch (ClassNotFoundException e) {
0177:                                throw new InternalError(
0178:                                        "Can't find java.util.Vector! Doh!");
0179:                            }
0180:                            Method method = null;
0181:                            try {
0182:                                method = c.getMethod("handleCommand_"
0183:                                        + commandName, params);
0184:                                System.out.println("");
0185:                            } catch (Exception e) {
0186:                                handleCommandDefault(commandName, args);
0187:                                return;
0188:                            }
0189:                            Object methodArguments[] = new Object[1];
0190:                            try {
0191:                                methodArguments[0] = args;
0192:                                long time = System.currentTimeMillis();
0193:                                method.invoke(this , methodArguments);
0194:                                time = System.currentTimeMillis() - time;
0195:                                System.out.println("Command took " + time
0196:                                        + "ms");
0197:                            } catch (InvocationTargetException e) {
0198:                                System.out.println("Exception calling method:");
0199:                                Throwable x = e.getTargetException();
0200:
0201:                                if (showStackTrace)
0202:                                    x.printStackTrace();
0203:                                else
0204:                                    System.out.println("Exception: " + x);
0205:                                System.out.println("");
0206:                                return;
0207:                            }
0208:                        }
0209:                    } catch (Exception e) {
0210:                        if (showStackTrace)
0211:                            e.printStackTrace();
0212:                        else
0213:                            System.out.println("Exception: " + e);
0214:                    }
0215:                }
0216:            }
0217:
0218:            private void handleCommandDefault(String cmdName, Vector args)
0219:                    throws SQLException {
0220:                System.out.println("Executing sql");
0221:                if (checkConnected()) {
0222:                    String line = cmdName;
0223:
0224:                    boolean query = false;
0225:                    if (cmdName.equalsIgnoreCase("select"))
0226:                        query = true;
0227:
0228:                    Enumeration e = args.elements();
0229:                    while (e.hasMoreElements()) {
0230:                        line += " " + e.nextElement();
0231:                    }
0232:
0233:                    PreparedStatement s = connection.prepareStatement(line);
0234:                    long time = System.currentTimeMillis();
0235:
0236:                    ResultSet r = null;
0237:                    int rows = 0;
0238:
0239:                    if (query)
0240:                        r = s.executeQuery();
0241:                    else
0242:                        rows = s.executeUpdate();
0243:
0244:                    time = System.currentTimeMillis() - time;
0245:                    if (query) {
0246:                        System.out
0247:                                .println("PreparedStatement.executeQuery() took "
0248:                                        + time + "ms");
0249:                        ResultSetUtil
0250:                                .formatResultSet(r, System.out, showQuotes);
0251:                    } else {
0252:                        System.out
0253:                                .println("PreparedStatement.executeUpdate() took "
0254:                                        + time + "ms");
0255:                        System.out.println("Affected " + rows + " row"
0256:                                + (rows == 1 ? "" : "s"));
0257:                    }
0258:                    if (r != null)
0259:                        r.close();
0260:                    if (s != null)
0261:                        s.close();
0262:                }
0263:            }
0264:
0265:            public void handleCommand_quit(Vector args) {
0266:                if (connection != null) {
0267:                    try {
0268:                        System.out.println("Disconnecting...");
0269:                        connection.close();
0270:                    } catch (Exception x) {
0271:                        System.out.println("Exception closing connection...");
0272:                        if (showStackTrace)
0273:                            x.printStackTrace();
0274:                        else
0275:                            System.out.println("Exception: " + x);
0276:                    }
0277:                }
0278:                System.out.println("See ya, sucker!");
0279:                System.exit(0);
0280:            }
0281:
0282:            public void handleCommand_disconnect(Vector args) throws Exception {
0283:                if (!checkConnected())
0284:                    return;
0285:                connection.close();
0286:                connection = null;
0287:                this .url = null;
0288:                this .props = null;
0289:            }
0290:
0291:            public void handleCommand_commit(Vector args) throws Exception {
0292:                if (!checkConnected())
0293:                    return;
0294:                connection.commit();
0295:            }
0296:
0297:            public void handleCommand_rollback(Vector args) throws Exception {
0298:                if (!checkConnected())
0299:                    return;
0300:                connection.rollback();
0301:            }
0302:
0303:            public void handleCommand_driver(Vector args) throws Exception {
0304:                try {
0305:                    driver = (Driver) Class.forName(
0306:                            (String) args.firstElement()).newInstance();
0307:                } catch (Exception x) {
0308:                    if (showStackTrace)
0309:                        x.printStackTrace();
0310:                    else
0311:                        System.out.println("Exception: " + x);
0312:                    throw x;
0313:                }
0314:            }
0315:
0316:            public void handleCommand_connect(String args) throws Exception {
0317:                if (!checkDriver())
0318:                    return;
0319:                try {
0320:                    // the argument should be:
0321:                    //
0322:                    //  URL [username [password [key=val ...]]]
0323:                    //
0324:                    if (args.equals("")) {
0325:                        System.out
0326:                                .println("Usage:  connect URL [username [password [key=val ...]]]");
0327:                        System.out
0328:                                .println("  You can use double-quotes to quote things.");
0329:                        System.out.println("");
0330:                        return;
0331:                    }
0332:
0333:                    String url = null;
0334:                    String user = null;
0335:                    String pass = null;
0336:                    Properties props = new Properties();
0337:
0338:                    // parse things out and pay attention to double quotes.
0339:                    Vector list = new Vector();
0340:                    boolean inQuote = false;
0341:                    StringBuffer currString = new StringBuffer();
0342:                    for (int i = 0; i < args.length(); i++) {
0343:                        char c = args.charAt(i);
0344:                        if (c == '"') {
0345:                            if (inQuote) {
0346:                                list.add(currString.toString());
0347:                                currString = new StringBuffer();
0348:                                inQuote = false;
0349:                            } else {
0350:                                inQuote = true;
0351:                            }
0352:                        } else if (c == ' ') {
0353:                            if (inQuote) {
0354:                                currString.append(c);
0355:                            } else {
0356:                                if (currString.length() != 0) {
0357:                                    list.add(currString.toString());
0358:                                    currString = new StringBuffer();
0359:                                }
0360:                            }
0361:                        } else {
0362:                            currString.append(c);
0363:                        }
0364:                    }
0365:                    if (currString.length() != 0)
0366:                        list.add(currString.toString());
0367:
0368:                    Enumeration e = list.elements();
0369:                    if (e.hasMoreElements())
0370:                        url = (String) e.nextElement();
0371:                    if (e.hasMoreElements())
0372:                        user = (String) e.nextElement();
0373:                    if (e.hasMoreElements())
0374:                        pass = (String) e.nextElement();
0375:
0376:                    Properties p = new Properties();
0377:                    if (user != null)
0378:                        p.put("user", user);
0379:                    if (pass != null)
0380:                        p.put("password", pass);
0381:                    while (e.hasMoreElements()) {
0382:                        String tok = (String) e.nextElement();
0383:                        StringTokenizer st = new StringTokenizer(tok, "=");
0384:                        p.put(st.nextToken(), st.nextToken());
0385:                    }
0386:
0387:                    System.out.println("Connecting....");
0388:                    System.out.println("  URL:  \"" + url + "\"");
0389:                    System.out.println("  Properties:");
0390:                    Enumeration en = p.keys();
0391:                    int width = 0;
0392:                    while (en.hasMoreElements()) {
0393:                        String key = (String) en.nextElement();
0394:                        if (key.length() > width)
0395:                            width = key.length();
0396:                    }
0397:
0398:                    en = p.keys();
0399:                    while (en.hasMoreElements()) {
0400:                        String key = (String) en.nextElement();
0401:                        String val = p.getProperty(key);
0402:                        int size = key.length();
0403:                        System.out.print("    ");
0404:                        System.out.print(key);
0405:                        for (int i = 0; i < (width - size); i++)
0406:                            System.out.print(" ");
0407:                        System.out.println(" = " + val);
0408:                    }
0409:
0410:                    this .url = url;
0411:                    this .props = p;
0412:                    connection = DriverManager.getConnection(url, p);
0413:                } catch (Exception x) {
0414:                    if (showStackTrace)
0415:                        x.printStackTrace();
0416:                    else
0417:                        System.out.println("Exception: " + x);
0418:                    throw x;
0419:                }
0420:            }
0421:
0422:            private String getIsolationString(int isolation) {
0423:                switch (isolation) {
0424:                case Connection.TRANSACTION_NONE:
0425:                    return "None";
0426:                case Connection.TRANSACTION_READ_COMMITTED:
0427:                    return "Read Committed";
0428:                case Connection.TRANSACTION_READ_UNCOMMITTED:
0429:                    return "Read Uncommitted";
0430:                case Connection.TRANSACTION_REPEATABLE_READ:
0431:                    return "Repeatable Read";
0432:                case Connection.TRANSACTION_SERIALIZABLE:
0433:                    return "Serializable";
0434:                }
0435:                return "Unknown";
0436:            }
0437:
0438:            public void handleCommand_isolation(Vector args)
0439:                    throws SQLException {
0440:                if (!checkConnected())
0441:                    return;
0442:
0443:                if (args.size() == 1) {
0444:                    String l = (String) args.elementAt(0);
0445:                    if (l.equalsIgnoreCase("none"))
0446:                        connection
0447:                                .setTransactionIsolation(Connection.TRANSACTION_NONE);
0448:                    else if (l.equalsIgnoreCase("read_committed"))
0449:                        connection
0450:                                .setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
0451:                    else if (l.equalsIgnoreCase("read_uncommitted"))
0452:                        connection
0453:                                .setTransactionIsolation(Connection.TRANSACTION_READ_UNCOMMITTED);
0454:                    else if (l.equalsIgnoreCase("repeatable_read"))
0455:                        connection
0456:                                .setTransactionIsolation(Connection.TRANSACTION_REPEATABLE_READ);
0457:                    else if (l.equalsIgnoreCase("serializable"))
0458:                        connection
0459:                                .setTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);
0460:                    else {
0461:                        System.out
0462:                                .println("  You must specify one of the following levels:");
0463:                        System.out.println("    NONE");
0464:                        System.out.println("    READ_COMMITTED");
0465:                        System.out.println("    READ_UNCOMMITTED");
0466:                        System.out.println("    REPEATABLE_READ");
0467:                        System.out.println("    SERIALIZABLE");
0468:                        System.out.println("");
0469:                    }
0470:                }
0471:                System.out.println("Current isolation level: "
0472:                        + getIsolationString(connection
0473:                                .getTransactionIsolation()));
0474:                System.out.println("");
0475:            }
0476:
0477:            public void handleCommand_metadata(Vector args) throws SQLException {
0478:                if (!checkConnected())
0479:                    return;
0480:                DatabaseMetaData m = connection.getMetaData();
0481:                System.out.println("Connection Class name     = "
0482:                        + connection.getClass().getName());
0483:                System.out.println("Driver Name               = "
0484:                        + m.getDriverName());
0485:                System.out.println("Driver Version            = "
0486:                        + m.getDriverVersion());
0487:                System.out.println("Database Product Name     = "
0488:                        + m.getDatabaseProductName());
0489:                System.out.println("Database Product Version  = "
0490:                        + m.getDatabaseProductVersion());
0491:
0492:                System.out.println("");
0493:                System.out
0494:                        .println("Default Isolation  = "
0495:                                + getIsolationString(m
0496:                                        .getDefaultTransactionIsolation()));
0497:
0498:                System.out.println("");
0499:                System.out.println("Maximum length for:");
0500:                System.out.println("  Catalog name     = "
0501:                        + m.getMaxCatalogNameLength());
0502:                System.out.println("  Schema name      = "
0503:                        + m.getMaxSchemaNameLength());
0504:                System.out.println("  Table name       = "
0505:                        + m.getMaxTableNameLength());
0506:                System.out.println("  Column name      = "
0507:                        + m.getMaxColumnNameLength());
0508:                System.out.println("  Procedure name   = "
0509:                        + m.getMaxProcedureNameLength());
0510:                System.out.println("  Binary literal   = "
0511:                        + m.getMaxBinaryLiteralLength());
0512:                System.out.println("");
0513:                System.out.println("Other misc maximums:");
0514:                System.out.println("  Columns in table = "
0515:                        + m.getMaxColumnsInTable());
0516:                System.out.println("  Connections      = "
0517:                        + m.getMaxConnections());
0518:                System.out.println("  Row size         = " + m.getMaxRowSize());
0519:                System.out.println("  Open statements  = "
0520:                        + m.getMaxStatements());
0521:                System.out.println("");
0522:                System.out.println("ANSI Support declared:");
0523:                System.out.println("  Entry-Level SQL92:              "
0524:                        + m.supportsANSI92EntryLevelSQL());
0525:                System.out.println("  Full SQL92:                     "
0526:                        + m.supportsANSI92FullSQL());
0527:                System.out.println("  Intermediate SQL92:             "
0528:                        + m.supportsANSI92IntermediateSQL());
0529:                System.out.println("  Integrity Enhancement Facility: "
0530:                        + m.supportsIntegrityEnhancementFacility());
0531:                System.out.println("");
0532:            }
0533:
0534:            public void handleCommand_catalogs(Vector args) throws SQLException {
0535:                if (!checkConnected())
0536:                    return;
0537:                ResultSet r = connection.getMetaData().getCatalogs();
0538:                System.out.println("Available catalogs:");
0539:                String current = connection.getCatalog();
0540:                while (r.next()) {
0541:                    String cname = r.getString(1);
0542:                    System.out.println("  "
0543:                            + cname
0544:                            + (cname.equals(current) ? "   <== current catalog"
0545:                                    : ""));
0546:                }
0547:                r.close();
0548:                System.out.println("");
0549:            }
0550:
0551:            public void handleCommand_catalog(Vector args) throws SQLException {
0552:                if (!checkConnected())
0553:                    return;
0554:                if (args.size() != 1) {
0555:                    System.out.println("Usage: catalog <catalogname>");
0556:                } else {
0557:                    connection.setCatalog((String) args.firstElement());
0558:                    System.out.println("Changed catalogs to "
0559:                            + args.firstElement());
0560:                }
0561:            }
0562:
0563:            public void handleCommand_schema(Vector args) throws SQLException {
0564:                if (!checkConnected())
0565:                    return;
0566:                if (args.size() != 1) {
0567:                    System.out.println("Usage: schema <schema>");
0568:                    System.out.println("Current default schema is \""
0569:                            + defaultSchema + "\"");
0570:                } else {
0571:                    String schema = (String) args.firstElement();
0572:                    if ("null".equals(schema))
0573:                        defaultSchema = null;
0574:                    else
0575:                        defaultSchema = schema;
0576:                    System.out.println("Changed default schema to "
0577:                            + args.firstElement());
0578:                }
0579:            }
0580:
0581:            public void handleCommand_schemas(Vector args) throws SQLException {
0582:                if (!checkConnected())
0583:                    return;
0584:                if (args.size() != 0) {
0585:                    System.out.println("Usage: schemas");
0586:                    return;
0587:                }
0588:
0589:                ResultSet r = connection.getMetaData().getSchemas();
0590:                while (r.next()) {
0591:                    System.out.println("  " + r.getString("TABLE_SCHEM"));
0592:                }
0593:                System.out.println("");
0594:                r.close();
0595:            }
0596:
0597:            public void handleCommand_procedures(Vector args)
0598:                    throws SQLException {
0599:                if (!checkConnected())
0600:                    return;
0601:                String catalog = connection.getCatalog();
0602:                if (args.size() > 1) {
0603:                    System.out.println("Usage: procedures [<schemaname>]");
0604:                    return;
0605:                }
0606:                String schema = null;
0607:                if (args.size() == 1) {
0608:                    schema = (String) args.firstElement();
0609:                }
0610:
0611:                ResultSet r = connection.getMetaData().getProcedures(catalog,
0612:                        schema, null);
0613:                System.out.println("Schema             Procedure");
0614:                System.out
0615:                        .println("-------------------------------------------------");
0616:                //                    xxxxxxxxxxxxxxxx xxxxxxxxxxxxx...
0617:                while (r.next()) {
0618:                    System.out.println("  "
0619:                            + format(r.getString("PROCEDURE_SCHEM"), 16) + " "
0620:                            + r.getString("PROCEDURE_NAME"));
0621:                }
0622:                r.close();
0623:                System.out.println("");
0624:            }
0625:
0626:            public void handleCommand_tables(Vector args) throws SQLException {
0627:                if (!checkConnected())
0628:                    return;
0629:                String catalog = connection.getCatalog();
0630:                String schema = null;
0631:                String tablename = null;
0632:                if (args.size() > 0) {
0633:                    schema = (String) args.firstElement();
0634:                }
0635:                if (args.size() > 1) {
0636:                    tablename = ((String) args.elementAt(1)).toUpperCase();
0637:                }
0638:
0639:                ResultSet r = connection.getMetaData().getTables(catalog,
0640:                        schema, null, null);
0641:                //System.out.println(ResultSetUtil.formatResultSet(r));
0642:
0643:                System.out.println("Schema             Tablename");
0644:                System.out
0645:                        .println("-------------------------------------------------");
0646:                //                    xxxxxxxxxxxxxxxx xxxxxxxxxxxxx...
0647:                while (r.next()) {
0648:                    String name = r.getString("TABLE_NAME");
0649:                    if (tablename == null
0650:                            || (name.toUpperCase().indexOf(tablename) != -1))
0651:                        System.out.println("  "
0652:                                + format(r.getString("TABLE_SCHEM"), 16) + " "
0653:                                + name);
0654:                }
0655:                r.close();
0656:
0657:                System.out.println("");
0658:            }
0659:
0660:            public void handleCommand_indexes(Vector args) throws SQLException {
0661:                if (!checkConnected())
0662:                    return;
0663:                String catalog = connection.getCatalog();
0664:                if (args.size() != 1) {
0665:                    System.out.println("Usage: indexes [<schema>.]<tablename>");
0666:                    return;
0667:                }
0668:                String table = (String) args.firstElement();
0669:                String schema = null;
0670:                if (table.indexOf(".") != -1) {
0671:                    StringTokenizer st = new StringTokenizer(table, ".");
0672:                    schema = st.nextToken();
0673:                    table = st.nextToken();
0674:                }
0675:
0676:                ResultSet r = connection.getMetaData().getIndexInfo(catalog,
0677:                        schema, table, false, true);
0678:                boolean first = true;
0679:                while (r.next()) {
0680:                    if (first) {
0681:                        System.out.println("Schema:  "
0682:                                + r.getString("TABLE_SCHEM"));
0683:                        System.out.println("Table:   "
0684:                                + r.getString("TABLE_NAME"));
0685:                        first = false;
0686:                    }
0687:
0688:                    String indexName = r.getString("INDEX_NAME");
0689:                    boolean nonUnique = r.getBoolean("NON_UNIQUE");
0690:                    String qualifier = r.getString("INDEX_QUALIFIER");
0691:                    short indexType = r.getShort("TYPE");
0692:                    short position = r.getShort("ORDINAL_POSITION");
0693:                    String column = r.getString("COLUMN_NAME");
0694:                    String ascDesc = r.getString("ASC_OR_DESC");
0695:                    int cardinality = r.getInt("CARDINALITY");
0696:                    int pages = r.getInt("PAGES");
0697:                    String filter = r.getString("FILTER_CONDITION");
0698:
0699:                    System.out.println("  Index name:          " + indexName);
0700:                    System.out.println("    Non unique vals?:  " + nonUnique);
0701:                    System.out.println("    Column:            " + column);
0702:                    System.out.println("    Qualifier:         " + qualifier);
0703:                    System.out.print("    Type:              ");
0704:                    switch (indexType) {
0705:                    case DatabaseMetaData.tableIndexStatistic:
0706:                        System.out.println("Statistic");
0707:                        break;
0708:                    case DatabaseMetaData.tableIndexClustered:
0709:                        System.out.println("Clustered");
0710:                        break;
0711:                    case DatabaseMetaData.tableIndexHashed:
0712:                        System.out.println("Hashed");
0713:                        break;
0714:                    case DatabaseMetaData.tableIndexOther:
0715:                        System.out.println("Other");
0716:                        break;
0717:                    default:
0718:                        System.out.println("Unknown");
0719:                    }
0720:                    System.out.println("    Positon:           " + position);
0721:                    System.out.println("    Asc/Desc:          " + ascDesc);
0722:                    System.out.println("    Cardinality:       " + cardinality);
0723:                    System.out.println("    Pages:             " + pages);
0724:                    System.out.println("    Filter:            " + filter);
0725:                    System.out.println("");
0726:                }
0727:
0728:                if (first) // no rows
0729:                {
0730:                    System.out.println("  Table \"" + table
0731:                            + "\" does not appear to have any indexes.");
0732:                    System.out.println("");
0733:                }
0734:
0735:                r.close();
0736:            }
0737:
0738:            public void handleCommand_run(Vector args) throws SQLException,
0739:                    IOException {
0740:                if (args.size() != 1) {
0741:                    System.out.println("Usage: run <filename>");
0742:                    System.out
0743:                            .println("  (executes commands from the given file)");
0744:                    return;
0745:                }
0746:                String file = (String) args.elementAt(0);
0747:                System.out.println("Processing commands from file:");
0748:                System.out.println("  file=" + file);
0749:                BufferedReader r = new BufferedReader(new FileReader(new File(
0750:                        file)));
0751:                String line = "";
0752:                while ((line = r.readLine()) != null) {
0753:                    StringBuffer cmd = new StringBuffer();
0754:                    while (!line.equals("") && !line.endsWith(";")
0755:                            && !line.endsWith("/")) {
0756:                        if (!line.startsWith("#") && !line.startsWith("--")) {
0757:                            cmd.append(line);
0758:                            cmd.append(" ");
0759:                        }
0760:                        line = r.readLine();
0761:                    }
0762:                    if (!line.equals(""))
0763:                        cmd.append(line.substring(0, line.length() - 1));
0764:                    if (!cmd.toString().startsWith("#")
0765:                            && !cmd.toString().startsWith("--")
0766:                            && !cmd.toString().trim().equals("")) {
0767:                        System.out.println("  cmd=\"" + cmd + "\"");
0768:                        executeCommand(cmd.toString());
0769:                    }
0770:                }
0771:                r.close();
0772:            }
0773:
0774:            public void handleCommand_desc(Vector args) throws SQLException {
0775:                if (!checkConnected())
0776:                    return;
0777:                String catalog = connection.getCatalog();
0778:                if (args.size() != 1) {
0779:                    System.out.println("Usage: desc [<schema>.]<tablename>");
0780:                    return;
0781:                }
0782:                String table = (String) args.firstElement();
0783:                String schema = defaultSchema;
0784:                if (table.indexOf(".") != -1) {
0785:                    StringTokenizer st = new StringTokenizer(table, ".");
0786:                    schema = st.nextToken();
0787:                    table = st.nextToken();
0788:                }
0789:
0790:                // get PK info
0791:                Hashtable pks = new Hashtable();
0792:                ResultSet r = connection.getMetaData().getPrimaryKeys(catalog,
0793:                        schema, table);
0794:                while (r.next())
0795:                    pks.put(r.getString("COLUMN_NAME"), "blah");
0796:                r.close();
0797:
0798:                r = connection.getMetaData().getColumns(catalog, schema, table,
0799:                        null);
0800:                //System.out.println(ResultSetUtil.formatResultSet(r));
0801:                boolean first = true;
0802:                while (r.next()) {
0803:                    if (first) {
0804:                        if (schema == null) {
0805:                            schema = r.getString("TABLE_SCHEM");
0806:                        }
0807:                        System.out.println("Schema:  "
0808:                                + r.getString("TABLE_SCHEM"));
0809:                        System.out
0810:                                .println("Column Name                       Type          Size            Null? PK");
0811:                        System.out
0812:                                .println("------------------------------------------------------------------------");
0813:                        //                     xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxx xxxxxxxxxxxxxxx xxxxx xx
0814:                        //                     30                             13            15              5
0815:                        first = false;
0816:                    }
0817:                    String colSchema = r.getString("TABLE_SCHEM");
0818:                    if ((schema == null)
0819:                            || (schema != null && schema.equals(colSchema))) {
0820:                        String colName = r.getString("COLUMN_NAME");
0821:                        System.out.print("  "
0822:                                + format(colName, 30)
0823:                                + "  "
0824:                                + format(r.getString("TYPE_NAME"), 13)
0825:                                + " "
0826:                                + format(String
0827:                                        .valueOf(r.getInt("COLUMN_SIZE")), 15)
0828:                                + " " + format(r.getString("IS_NULLABLE"), 6));
0829:                        if (pks.containsKey(colName))
0830:                            System.out.println("Y");
0831:                        else
0832:                            System.out.println("");
0833:                    }
0834:                }
0835:
0836:                if (first) // no rows
0837:                {
0838:                    System.out.println("  Table \"" + table
0839:                            + "\" does not appear to exist.");
0840:                }
0841:
0842:                r.close();
0843:                System.out.println("");
0844:            }
0845:
0846:            public void handleCommand_fkdesc(Vector args) throws SQLException {
0847:                if (!checkConnected())
0848:                    return;
0849:                String catalog = connection.getCatalog();
0850:                if (args.size() != 1) {
0851:                    System.out.println("Usage: fkdesc [<schema>.]<tablename>");
0852:                    return;
0853:                }
0854:                String table = (String) args.firstElement();
0855:                String schema = defaultSchema;
0856:                if (table.indexOf(".") != -1) {
0857:                    StringTokenizer st = new StringTokenizer(table, ".");
0858:                    schema = st.nextToken();
0859:                    table = st.nextToken();
0860:                }
0861:
0862:                DatabaseMetaData md = connection.getMetaData();
0863:
0864:                System.out.println("Exported keys:");
0865:                ResultSet fkr = md.getCrossReference(catalog, schema, table,
0866:                        null, null, null);
0867:                while (fkr.next()) {
0868:                    System.out.print("  " + fkr.getString("PKCOLUMN_NAME"));
0869:                    System.out.print(" is referenced by ");
0870:                    System.out.println(fkr.getString("FKTABLE_NAME") + "."
0871:                            + fkr.getString("FKCOLUMN_NAME"));
0872:                }
0873:                System.out.println("");
0874:                fkr.close();
0875:
0876:                System.out.println("Imported keys:");
0877:                fkr = md.getCrossReference(null, null, null, catalog, schema,
0878:                        table);
0879:                while (fkr.next()) {
0880:                    System.out.print("  " + fkr.getString("FKCOLUMN_NAME"));
0881:                    System.out.print(" references ");
0882:                    System.out.println(fkr.getString("PKTABLE_NAME") + "."
0883:                            + fkr.getString("PKCOLUMN_NAME"));
0884:                }
0885:                System.out.println("");
0886:                fkr.close();
0887:            }
0888:
0889:            public void handleCommand_jdesc(Vector args) throws SQLException {
0890:                if (!checkConnected())
0891:                    return;
0892:                String catalog = connection.getCatalog();
0893:                if (args.size() != 1) {
0894:                    System.out.println("Usage: jdesc [<schema>.]<tablename>");
0895:                    return;
0896:                }
0897:                String table = (String) args.firstElement();
0898:                String schema = defaultSchema;
0899:                if (table.indexOf(".") != -1) {
0900:                    StringTokenizer st = new StringTokenizer(table, ".");
0901:                    schema = st.nextToken();
0902:                    table = st.nextToken();
0903:                }
0904:
0905:                // get PK info
0906:                Hashtable pks = new Hashtable();
0907:                ResultSet r = connection.getMetaData().getPrimaryKeys(catalog,
0908:                        schema, table);
0909:                while (r.next())
0910:                    pks.put(r.getString("COLUMN_NAME"), "blah");
0911:                r.close();
0912:
0913:                r = connection.getMetaData().getColumns(catalog, schema, table,
0914:                        null);
0915:                boolean first = true;
0916:                while (r.next()) {
0917:                    if (first) {
0918:                        if (schema == null) {
0919:                            schema = r.getString("TABLE_SCHEM");
0920:                        }
0921:                        //System.out.println(ResultSetUtil.formatResultSet(r));
0922:                        System.out.println("Schema:  "
0923:                                + r.getString("TABLE_SCHEM"));
0924:                        System.out
0925:                                .println("Column Name                       java.sql.Types   Size         Null? PK");
0926:                        System.out
0927:                                .println("------------------------------------------------------------------------");
0928:                        //                     xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxxxxx xxxxx xx
0929:                        //                     30                             16               12               5
0930:                        first = false;
0931:                    }
0932:                    String colSchema = r.getString("TABLE_SCHEM");
0933:
0934:                    if ((schema == null) || (schema.equals(colSchema))) {
0935:                        String nullable = r.getString("IS_NULLABLE");
0936:                        if (nullable.equalsIgnoreCase("YES"))
0937:                            nullable = "YES";
0938:                        else
0939:                            nullable = "NO";
0940:                        String colName = r.getString("COLUMN_NAME");
0941:                        System.out.print("  "
0942:                                + format(colName, 30)
0943:                                + "  "
0944:                                + format(getType(r.getInt("DATA_TYPE")), 16)
0945:                                + " "
0946:                                + format(String
0947:                                        .valueOf(r.getInt("COLUMN_SIZE")), 12)
0948:                                + " " + format(nullable, 6));
0949:                        if (pks.containsKey(colName))
0950:                            System.out.println("Y");
0951:                        else
0952:                            System.out.println("");
0953:                    }
0954:                }
0955:
0956:                if (first) // no rows
0957:                {
0958:                    System.out.println("  Table \"" + table
0959:                            + "\" does not appear to exist.");
0960:                }
0961:
0962:                r.close();
0963:                System.out.println("");
0964:            }
0965:
0966:            public void handleCommand_driverdata(Vector args)
0967:                    throws SQLException {
0968:                if (!checkDriver())
0969:                    return;
0970:                System.out.println("Class name:           "
0971:                        + driver.getClass().getName());
0972:                System.out.println("Driver Major Version: "
0973:                        + driver.getMajorVersion());
0974:                System.out.println("Driver Minor Version: "
0975:                        + driver.getMinorVersion());
0976:            }
0977:
0978:            public void handleCommand_about(Vector args) {
0979:                System.out.println("");
0980:                System.out
0981:                        .println("SimpleListener -- a (very) simple SQL tool");
0982:                System.out.println("");
0983:            }
0984:
0985:            private boolean checkDriver() {
0986:                if (driver == null) {
0987:                    System.out
0988:                            .println("No driver loaded -- use \"driver drivername\"");
0989:                    return false;
0990:                }
0991:                return true;
0992:            }
0993:
0994:            private boolean checkConnected() {
0995:                if (!checkDriver())
0996:                    return false;
0997:                else if (connection == null) {
0998:                    System.out.println("Not connected -- use \"connect\"");
0999:                    return false;
1000:                }
1001:                return true;
1002:            }
1003:
1004:            private String format(String s, int length) {
1005:                StringBuffer b = new StringBuffer(length);
1006:                b.append(s);
1007:                for (int i = 0; i < length - s.length(); i++)
1008:                    b.append(" ");
1009:                return b.toString();
1010:            }
1011:
1012:            public void handleCommand_h(Vector args) {
1013:                handleCommand_history(args);
1014:            }
1015:
1016:            public void handleCommand_history(Vector args) {
1017:                if (args.size() > 0) {
1018:                    try {
1019:                        historySize = Integer.parseInt((String) args
1020:                                .elementAt(0));
1021:                        trimHistory();
1022:                    } catch (Exception x) {
1023:                        ;
1024:                    }
1025:                }
1026:                System.out.println("Command history (max size = " + historySize
1027:                        + "):");
1028:                System.out.println("");
1029:                Enumeration e = history.elements();
1030:                int index = 0;
1031:
1032:                while (e.hasMoreElements()) {
1033:                    System.out.println("  " + format(String.valueOf(index), 2)
1034:                            + ": " + e.nextElement());
1035:                    index++;
1036:                }
1037:                System.out.println("");
1038:                System.out
1039:                        .println("  Type \"!X\" to execute command number X.");
1040:                System.out.println("");
1041:                System.out.println("  Type \"history n\" to set the length.");
1042:                System.out.println("");
1043:            }
1044:
1045:            public void handleCommand_help(Vector args) {
1046:                System.out.println("");
1047:                System.out
1048:                        .println("Protomatter SimpleListener -- a simple SQL client.");
1049:                System.out.println("  version " + Protomatter.VERSION);
1050:                System.out.println("");
1051:                System.out
1052:                        .println("Available commands: (in addition to normal SQL)");
1053:                System.out.println("  about");
1054:                System.out.println("  driver <drivername>");
1055:                System.out
1056:                        .println("  connect <URL> [<username> [<password> [ key=val ... key=val ]]]");
1057:                System.out
1058:                        .println("    (note: double-quotes are interpreted as you expect in \"connect\")");
1059:                System.out.println("  disconnect");
1060:                System.out.println("  commit");
1061:                System.out.println("  rollback");
1062:                System.out.println("  help");
1063:                System.out.println("  metadata");
1064:                System.out.println("  driverdata");
1065:                System.out.println("  connectioninfo");
1066:                System.out.println("  autocommit [on|off]");
1067:                System.out.println("  showstacktrace [on|off]");
1068:                System.out.println("  showquotes [on|off]");
1069:                System.out.println("  isolation [level]");
1070:                System.out.println("  run <filename>");
1071:                System.out.println("  schemas");
1072:                System.out.println("  schema <schema>");
1073:                System.out.println("  catalogs");
1074:                System.out.println("  catalog <catalogname>");
1075:                System.out
1076:                        .println("  tables [<schema> [<table_name_substring>]]");
1077:                System.out.println("  procedures [<schema>]");
1078:                System.out.println("  indexes [<schema>.]<tablename>");
1079:                System.out.println("  desc [<schema>.]<tablename>");
1080:                System.out
1081:                        .println("  jdesc [<schema>.]<tablename> (describe table in terms of Java types)");
1082:                System.out
1083:                        .println("  fkdesc [<schema>.]<tablename> (describe foreign keys on table)");
1084:                System.out
1085:                        .println("  history ('h' works too) (display command history)");
1086:                System.out.println("  / (executes last command again)");
1087:                System.out.println("  quit");
1088:                System.out.println("");
1089:                System.out
1090:                        .println(" Note:  commands can be spread over multiple lines");
1091:                System.out
1092:                        .println("        if the last character on each line is a \"\\\"");
1093:                System.out.println("");
1094:            }
1095:
1096:            public void handleCommand_connectioninfo(Vector args)
1097:                    throws SQLException {
1098:                if (checkConnected()) {
1099:                    System.out.println("");
1100:                    System.out.println("Connection information:");
1101:                    System.out.println("  URL:      " + this .url);
1102:                    System.out.println("  Properties:");
1103:                    int maxlen = 0;
1104:                    Enumeration e = this .props.keys();
1105:                    while (e.hasMoreElements()) {
1106:                        String key = (String) e.nextElement();
1107:                        if (key.length() > maxlen)
1108:                            maxlen = key.length();
1109:                    }
1110:
1111:                    e = this .props.keys();
1112:                    while (e.hasMoreElements()) {
1113:                        String key = (String) e.nextElement();
1114:                        System.out.println("    " + format(key, maxlen) + " = "
1115:                                + this .props.get(key));
1116:                    }
1117:                    System.out.println("");
1118:                    System.out.println("  Isolation level:  "
1119:                            + getIsolationString(connection
1120:                                    .getTransactionIsolation()));
1121:                    System.out.println("  Read Only:        "
1122:                            + connection.isReadOnly());
1123:                    System.out.println("  Auto Commit:      "
1124:                            + connection.getAutoCommit());
1125:                    System.out.println("");
1126:                } else {
1127:                    System.out.println("");
1128:                    System.out
1129:                            .println("You are not connected to a database at this time.");
1130:                    System.out.println("");
1131:                }
1132:            }
1133:
1134:            public void handleCommand_autocommit(Vector args)
1135:                    throws SQLException {
1136:                if (checkConnected()) {
1137:                    boolean b = false;
1138:                    if (args.isEmpty()) {
1139:                        b = connection.getAutoCommit();
1140:                    } else {
1141:                        String value = (String) args.firstElement();
1142:                        if (value.equalsIgnoreCase("true")
1143:                                || value.equalsIgnoreCase("on"))
1144:                            b = true;
1145:                        connection.setAutoCommit(b);
1146:                    }
1147:                    System.out.println("Auto-Commit set to " + b);
1148:                    System.out.println("");
1149:                } else {
1150:                    System.out.println("");
1151:                    System.out
1152:                            .println("You are not connected to a database at this time.");
1153:                    System.out.println("");
1154:                }
1155:            }
1156:
1157:            public void handleCommand_showstacktrace(Vector args)
1158:                    throws SQLException {
1159:                boolean b = false;
1160:                if (args.isEmpty()) {
1161:                    b = showStackTrace;
1162:                } else {
1163:                    String value = (String) args.firstElement();
1164:                    if (value.equalsIgnoreCase("true")
1165:                            || value.equalsIgnoreCase("on"))
1166:                        b = true;
1167:                    showStackTrace = b;
1168:                }
1169:                System.out.println("Show stack trace set to " + b);
1170:                System.out.println("");
1171:            }
1172:
1173:            public void handleCommand_showquotes(Vector args)
1174:                    throws SQLException {
1175:                boolean b = false;
1176:                if (args.isEmpty()) {
1177:                    b = showQuotes;
1178:                } else {
1179:                    String value = (String) args.firstElement();
1180:                    if (value.equalsIgnoreCase("true")
1181:                            || value.equalsIgnoreCase("on"))
1182:                        b = true;
1183:                    showQuotes = b;
1184:                }
1185:                System.out.println("Show quotes set to " + b);
1186:                System.out.println("");
1187:            }
1188:
1189:            private static final String getType(int type) {
1190:                // look for a type of that value on the Types object
1191:                try {
1192:                    Field fields[] = Types.class.getFields();
1193:                    for (int i = 0; i < fields.length; i++) {
1194:                        Number n = (Number) fields[i].get(null);
1195:                        int val = n.intValue();
1196:                        if (val == type)
1197:                            return fields[i].getName();
1198:                    }
1199:                } catch (Exception x) {
1200:                    ;
1201:                }
1202:                return null;
1203:            }
1204:
1205:            private void addToHistory(String command) {
1206:                if (!history.contains(command))
1207:                    history.addElement(command);
1208:                trimHistory();
1209:            }
1210:
1211:            private String getHistoryCommand(int index) {
1212:                return (String) history.elementAt(index);
1213:            }
1214:
1215:            private void trimHistory() {
1216:                if (history.size() > historySize) {
1217:                    int remove = history.size() - historySize;
1218:                    for (int i = 0; i < remove; i++)
1219:                        history.removeElementAt(i);
1220:                }
1221:            }
1222:        }
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