java/sql-dk/src/info/globalcode/sql/dk/CLIStarter.java
branchv_0
changeset 238 4a1864c3e867
parent 237 7e08730da258
child 239 39e6c2ad3571
--- a/java/sql-dk/src/info/globalcode/sql/dk/CLIStarter.java	Mon Mar 04 17:06:42 2019 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,274 +0,0 @@
-/**
- * SQL-DK
- * Copyright © 2013 František Kučera (frantovo.cz)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package info.globalcode.sql.dk;
-
-import info.globalcode.sql.dk.configuration.ConfigurationProvider;
-import info.globalcode.sql.dk.CLIOptions.MODE;
-import info.globalcode.sql.dk.batch.Batch;
-import info.globalcode.sql.dk.batch.BatchDecoder;
-import info.globalcode.sql.dk.batch.BatchException;
-import info.globalcode.sql.dk.batch.BatchEncoder;
-import info.globalcode.sql.dk.configuration.Configuration;
-import info.globalcode.sql.dk.configuration.ConfigurationException;
-import info.globalcode.sql.dk.configuration.DatabaseDefinition;
-import info.globalcode.sql.dk.configuration.FormatterDefinition;
-import info.globalcode.sql.dk.configuration.Loader;
-import info.globalcode.sql.dk.configuration.NameIdentified;
-import info.globalcode.sql.dk.configuration.PropertyDeclaration;
-import info.globalcode.sql.dk.formatting.Formatter;
-import info.globalcode.sql.dk.formatting.FormatterContext;
-import info.globalcode.sql.dk.formatting.FormatterException;
-import info.globalcode.sql.dk.jmx.ConnectionManagement;
-import info.globalcode.sql.dk.jmx.ManagementUtils;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.PrintStream;
-import java.io.PrintWriter;
-import java.sql.SQLException;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.logging.Level;
-import java.util.logging.LogRecord;
-import java.util.logging.Logger;
-
-/**
- * Entry point of the command line interface of SQL-DK.
- *
- * @author Ing. František Kučera (frantovo.cz)
- */
-public class CLIStarter implements ConfigurationProvider {
-
-	// help:exit-codes
-	public static final int EXIT_SUCCESS = 0; // doc:success
-	public static final int EXIT_UNEXPECTED_ERROR = 1; // doc:unexpected error (probably bug)
-	// 2 is reserved: http://www.tldp.org/LDP/abs/html/exitcodes.html#EXITCODESREF
-	public static final int EXIT_SQL_ERROR = 3; // doc:SQL error
-	public static final int EXIT_CLI_PARSE_ERROR = 4; // doc:CLI options parse error
-	public static final int EXIT_CLI_VALIDATE_ERROR = 5; // doc:CLI options validation error
-	public static final int EXIT_CONFIGURATION_ERROR = 6; // doc:configuration error
-	public static final int EXIT_FORMATTING_ERROR = 7; // doc:formatting error
-	public static final int EXIT_BATCH_ERROR = 8; // doc:batch error
-	private static final Logger log = Logger.getLogger(CLIStarter.class.getName());
-	private final CLIOptions options;
-	private final Loader configurationLoader = new Loader();
-	private Configuration configuration;
-
-	public static void main(String[] args) {
-		log.log(Level.FINE, "Starting " + Constants.PROGRAM_NAME);
-		int exitCode;
-
-		if (args.length == 0) {
-			args = new String[]{CLIParser.Tokens.INFO_HELP};
-		}
-
-		try {
-			CLIParser parser = new CLIParser();
-			CLIOptions options = parser.parseOptions(args, System.in);
-			options.validate();
-			CLIStarter starter = new CLIStarter(options);
-			starter.installDefaultConfiguration();
-			starter.process();
-			log.log(Level.FINE, "All done");
-			exitCode = EXIT_SUCCESS;
-		} catch (CLIParserException e) {
-			log.log(Level.SEVERE, "Unable to parse CLI options", e);
-			exitCode = EXIT_CLI_PARSE_ERROR;
-		} catch (InvalidOptionsException e) {
-			log.log(Level.SEVERE, "Invalid CLI options", e);
-			for (InvalidOptionsException.OptionProblem p : e.getProblems()) {
-				LogRecord r = new LogRecord(Level.SEVERE, "Option problem: {0}");
-				r.setThrown(p.getException());
-				r.setParameters(new Object[]{p.getDescription()});
-				log.log(r);
-			}
-			exitCode = EXIT_CLI_VALIDATE_ERROR;
-		} catch (ConfigurationException e) {
-			log.log(Level.SEVERE, "Configuration problem", e);
-			exitCode = EXIT_CONFIGURATION_ERROR;
-		} catch (SQLException e) {
-			log.log(Level.SEVERE, "SQL problem", e);
-			exitCode = EXIT_SQL_ERROR;
-		} catch (FormatterException e) {
-			log.log(Level.SEVERE, "Formatting problem", e);
-			exitCode = EXIT_FORMATTING_ERROR;
-		} catch (BatchException e) {
-			log.log(Level.SEVERE, "Batch problem", e);
-			exitCode = EXIT_BATCH_ERROR;
-		}
-
-		System.exit(exitCode);
-	}
-
-	public CLIStarter(CLIOptions options) {
-		this.options = options;
-	}
-
-	private void process() throws ConfigurationException, SQLException, FormatterException, BatchException {
-		MODE mode = options.getMode();
-
-		/** Show info */
-		if (!options.getShowInfo().isEmpty()) {
-			PrintStream infoOut = mode == MODE.JUST_SHOW_INFO ? System.out : System.err;
-			InfoLister infoLister = new InfoLister(infoOut, this, options);
-			infoLister.showInfo();
-		}
-
-		switch (mode) {
-			case QUERY_NOW:
-				processQueryNow();
-				break;
-			case PREPARE_BATCH:
-				processPrepareBatch();
-				break;
-			case EXECUTE_BATCH:
-				processExecuteBatch();
-				break;
-			case JUST_SHOW_INFO:
-				// already done above
-				break;
-			default:
-				log.log(Level.SEVERE, "Unsupported mode: {0}", mode);
-				break;
-		}
-
-		generateBashCompletion();
-	}
-
-	private void processQueryNow() throws ConfigurationException, SQLException, FormatterException {
-		DatabaseDefinition dd = getConfiguration().getDatabase(options.getDatabaseName());
-		FormatterDefinition fd = configuration.getFormatter(options.getFormatterName());
-		ConnectionManagement jmxBean = ManagementUtils.registerMBean(dd.getName());
-
-		try (DatabaseConnection c = dd.connect(options.getDatabaseProperties(), jmxBean)) {
-			log.log(Level.FINE, "Database connected");
-			try (Formatter f = fd.getInstance(new FormatterContext(options.getOutputStream(), options.getFormatterProperties()))) {
-				c.executeQuery(options.getSQLCommand(), f);
-			}
-		}
-	}
-
-	private void processPrepareBatch() throws BatchException {
-		BatchEncoder enc = new BatchEncoder();
-		int length = enc.encode(options.getSQLCommand(), options.getOutputStream());
-		log.log(Level.FINE, "Prepared batch size: {0} bytes", length);
-	}
-
-	private void processExecuteBatch() throws ConfigurationException, SQLException, FormatterException, BatchException {
-		BatchDecoder dec = new BatchDecoder();
-		Batch b = dec.decode(options.getInputStream());
-
-		DatabaseDefinition dd = getConfiguration().getDatabase(options.getDatabaseName());
-		FormatterDefinition fd = configuration.getFormatter(options.getFormatterName());
-		ConnectionManagement jmxBean = ManagementUtils.registerMBean(dd.getName());
-
-		try (DatabaseConnection c = dd.connect(options.getDatabaseProperties(), jmxBean)) {
-			log.log(Level.FINE, "Database connected");
-			try (Formatter f = fd.getInstance(new FormatterContext(options.getOutputStream(), options.getFormatterProperties()))) {
-				c.executeBatch(b, f);
-			}
-		}
-	}
-
-	@Override
-	public Configuration getConfiguration() throws ConfigurationException {
-		if (configuration == null) {
-			configuration = configurationLoader.loadConfiguration();
-		}
-		return configuration;
-	}
-
-	private void installDefaultConfiguration() throws ConfigurationException {
-		Constants.DIR.mkdir();
-
-		if (Constants.CONFIG_FILE.exists()) {
-			log.log(Level.FINER, "Config file already exists: {0}", Constants.CONFIG_FILE);
-		} else {
-			try {
-				Functions.installResource(Constants.EXAMPLE_CONFIG_FILE, Constants.CONFIG_FILE);
-				log.log(Level.FINE, "Installing default config file: {0}", Constants.CONFIG_FILE);
-			} catch (IOException e) {
-				throw new ConfigurationException("Unable to write example configuration to " + Constants.CONFIG_FILE, e);
-			}
-		}
-	}
-
-	private void generateBashCompletion() {
-		if (configuration == null) {
-			log.log(Level.FINER, "Not writing Bash completion helper files. In order to generate these files please run some command which requires configuration.");
-		} else {
-			try {
-				File dir = new File(Constants.DIR, "bash-completion");
-				dir.mkdir();
-				writeBashCompletionHelperFile(configuration.getDatabases(), new File(dir, "databases"));
-				writeBashCompletionHelperFile(configuration.getAllFormatters(), new File(dir, "formatters"));
-				writeBashCompletionHelperFileForFormatterProperties(new File(dir, "formatter-properties"));
-			} catch (Exception e) {
-				log.log(Level.WARNING, "Unable to generate Bash completion helper files", e);
-			}
-		}
-	}
-
-	private void writeBashCompletionHelperFile(Collection<? extends NameIdentified> items, File target) throws FileNotFoundException {
-		if (Constants.CONFIG_FILE.lastModified() > target.lastModified()) {
-			try (PrintWriter fw = new PrintWriter(target)) {
-				for (NameIdentified dd : items) {
-					fw.println(dd.getName());
-				}
-				fw.close();
-				log.log(Level.FINE, "Bash completion helper file was written: {0}", target);
-			}
-		} else {
-			log.log(Level.FINER, "Not writing Bash completion helper file: {0} because configuration {1} has not been changed", new Object[]{target, Constants.CONFIG_FILE});
-		}
-	}
-
-	private void writeBashCompletionHelperFileForFormatterProperties(File formattersDir) throws ClassNotFoundException, FileNotFoundException {
-		if (Constants.CONFIG_FILE.lastModified() > formattersDir.lastModified()) {
-			// TODO: delete old directory
-			formattersDir.mkdir();
-			for (FormatterDefinition fd : configuration.getAllFormatters()) {
-				File formatterDir = new File(formattersDir, fd.getName());
-				formatterDir.mkdir();
-
-				Class<Formatter> formatterClass = (Class<Formatter>) Class.forName(fd.getClassName());
-				List<Class<? extends Formatter>> hierarchy = Functions.getClassHierarchy(formatterClass, Formatter.class);
-				Collections.reverse(hierarchy);
-				for (Class<? extends Formatter> c : hierarchy) {
-					for (PropertyDeclaration p : Functions.getPropertyDeclarations(c)) {
-						File propertyDir = new File(formatterDir, p.name());
-						propertyDir.mkdir();
-						File choicesFile = new File(propertyDir, "choices");
-						try (PrintWriter fw = new PrintWriter(choicesFile)) {
-							// TODO: refactor, move
-							if (p.type() == Boolean.class) {
-								fw.println("true");
-								fw.println("false");
-							}
-						}
-					}
-				}
-			}
-			log.log(Level.FINE, "Bash completion helper files was written in: {0}", formattersDir);
-		} else {
-			log.log(Level.FINER, "Not writing Bash completion helper directory: {0} because configuration {1} has not been changed", new Object[]{formattersDir, Constants.CONFIG_FILE});
-		}
-
-	}
-}