java/sql-dk/src/info/globalcode/sql/dk/InfoLister.java
branchv_0
changeset 238 4a1864c3e867
parent 237 7e08730da258
child 239 39e6c2ad3571
--- a/java/sql-dk/src/info/globalcode/sql/dk/InfoLister.java	Mon Mar 04 17:06:42 2019 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,673 +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.CommandArgument;
-import info.globalcode.sql.dk.configuration.Configuration;
-import info.globalcode.sql.dk.configuration.ConfigurationException;
-import info.globalcode.sql.dk.configuration.ConfigurationProvider;
-import info.globalcode.sql.dk.configuration.DatabaseDefinition;
-import info.globalcode.sql.dk.configuration.FormatterDefinition;
-import info.globalcode.sql.dk.configuration.Properties;
-import info.globalcode.sql.dk.configuration.Property;
-import info.globalcode.sql.dk.configuration.PropertyDeclaration;
-import info.globalcode.sql.dk.configuration.TunnelDefinition;
-import info.globalcode.sql.dk.formatting.ColumnsHeader;
-import info.globalcode.sql.dk.formatting.CommonProperties;
-import info.globalcode.sql.dk.formatting.FakeSqlArray;
-import info.globalcode.sql.dk.formatting.Formatter;
-import info.globalcode.sql.dk.formatting.FormatterContext;
-import info.globalcode.sql.dk.formatting.FormatterException;
-import java.io.BufferedReader;
-import java.io.ByteArrayOutputStream;
-import java.io.InputStreamReader;
-import java.io.PrintStream;
-import java.sql.Array;
-import java.sql.Driver;
-import java.sql.DriverManager;
-import java.sql.DriverPropertyInfo;
-import java.sql.SQLException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.EnumSet;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.ServiceLoader;
-import java.util.Set;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.TimeUnit;
-import java.util.logging.Level;
-import java.util.logging.LogRecord;
-import java.util.logging.Logger;
-import javax.sql.rowset.RowSetMetaDataImpl;
-
-/**
- * Displays info like help, version etc.
- *
- * @author Ing. František Kučera (frantovo.cz)
- */
-public class InfoLister {
-
-	private static final Logger log = Logger.getLogger(InfoLister.class.getName());
-	/**
-	 * Fake database name for output formatting
-	 */
-	public static final String CONFIG_DB_NAME = "sqldk_configuration";
-	private final PrintStream out;
-	private final ConfigurationProvider configurationProvider;
-	private final CLIOptions options;
-	private Formatter formatter;
-
-	public InfoLister(PrintStream out, ConfigurationProvider configurationProvider, CLIOptions options) {
-		this.out = out;
-		this.configurationProvider = configurationProvider;
-		this.options = options;
-	}
-
-	public void showInfo() throws ConfigurationException, FormatterException {
-		EnumSet<InfoType> commands = options.getShowInfo();
-
-		boolean formattinNeeded = false;
-
-		for (InfoType infoType : commands) {
-			switch (infoType) {
-				case CONNECTION:
-				case JDBC_DRIVERS:
-				case JDBC_PROPERTIES:
-				case DATABASES:
-				case FORMATTERS:
-				case FORMATTER_PROPERTIES:
-				case TYPES:
-				case JAVA_PROPERTIES:
-				case ENVIRONMENT_VARIABLES:
-					formattinNeeded = true;
-					break;
-			}
-		}
-
-		if (formattinNeeded) {
-			try (Formatter f = getFormatter()) {
-				formatter = f;
-				formatter.writeStartBatch();
-				DatabaseDefinition dd = new DatabaseDefinition();
-				dd.setName(CONFIG_DB_NAME);
-				formatter.writeStartDatabase(dd);
-				showInfos(commands);
-				formatter.writeEndDatabase();
-				formatter.writeEndBatch();
-				formatter.close();
-			}
-		} else {
-			showInfos(commands);
-		}
-	}
-
-	private void showInfos(EnumSet<InfoType> commands) throws ConfigurationException, FormatterException {
-		for (InfoType infoType : commands) {
-			infoType.showInfo(this);
-		}
-	}
-
-	private void listJavaProperties() throws FormatterException, ConfigurationException {
-		ColumnsHeader header = constructHeader(new HeaderField("name", SQLType.VARCHAR), new HeaderField("value", SQLType.VARCHAR));
-		List<Object[]> data = new ArrayList<>();
-		for (Entry<Object, Object> e : System.getProperties().entrySet()) {
-			data.add(new Object[]{e.getKey(), e.getValue()});
-		}
-		printTable(formatter, header, "-- Java system properties", null, data, 0);
-	}
-
-	private void listEnvironmentVariables() throws FormatterException, ConfigurationException {
-		ColumnsHeader header = constructHeader(new HeaderField("name", SQLType.VARCHAR), new HeaderField("value", SQLType.VARCHAR));
-		List<Object[]> data = new ArrayList<>();
-		for (Entry<String, String> e : System.getenv().entrySet()) {
-			data.add(new Object[]{e.getKey(), e.getValue()});
-		}
-		printTable(formatter, header, "-- environment variables", null, data, 0);
-	}
-
-	private void listFormatters() throws ConfigurationException, FormatterException {
-		ColumnsHeader header = constructHeader(
-				new HeaderField("name", SQLType.VARCHAR),
-				new HeaderField("built_in", SQLType.BOOLEAN),
-				new HeaderField("default", SQLType.BOOLEAN),
-				new HeaderField("class_name", SQLType.VARCHAR),
-				new HeaderField("valid", SQLType.BOOLEAN));
-		List<Object[]> data = new ArrayList<>();
-
-		String defaultFormatter = configurationProvider.getConfiguration().getDefaultFormatter();
-		defaultFormatter = defaultFormatter == null ? Configuration.DEFAULT_FORMATTER : defaultFormatter;
-
-		for (FormatterDefinition fd : configurationProvider.getConfiguration().getBuildInFormatters()) {
-			data.add(new Object[]{fd.getName(), true, defaultFormatter.equals(fd.getName()), fd.getClassName(), isInstantiable(fd)});
-		}
-
-		for (FormatterDefinition fd : configurationProvider.getConfiguration().getFormatters()) {
-			data.add(new Object[]{fd.getName(), false, defaultFormatter.equals(fd.getName()), fd.getClassName(), isInstantiable(fd)});
-		}
-
-		printTable(formatter, header, "-- configured and built-in output formatters", null, data);
-	}
-
-	private boolean isInstantiable(FormatterDefinition fd) {
-		try {
-			try (ByteArrayOutputStream testStream = new ByteArrayOutputStream()) {
-				fd.getInstance(new FormatterContext(testStream, new Properties(0)));
-				return true;
-			}
-		} catch (Exception e) {
-			log.log(Level.SEVERE, "Unable to create an instance of formatter: " + fd.getName(), e);
-			return false;
-		}
-	}
-
-	private void listFormatterProperties() throws FormatterException, ConfigurationException {
-		for (String formatterName : options.getFormatterNamesToListProperties()) {
-			listFormatterProperties(formatterName);
-		}
-	}
-
-	private void listFormatterProperties(String formatterName) throws FormatterException, ConfigurationException {
-		FormatterDefinition fd = configurationProvider.getConfiguration().getFormatter(formatterName);
-		try {
-
-			// currently only for debugging purposes
-			// TODO: introduce --info-lister-property or generic filtering capability in printTable() ?
-			boolean printDeclaredIn = options.getFormatterProperties().getBoolean("InfoLister:print:declared_in", false);
-
-			List<HeaderField> headerFields = new ArrayList<>();
-			headerFields.add(new HeaderField("name", SQLType.VARCHAR));
-			headerFields.add(new HeaderField("type", SQLType.VARCHAR));
-			headerFields.add(new HeaderField("default", SQLType.VARCHAR));
-			headerFields.add(new HeaderField("description", SQLType.VARCHAR));
-			if (printDeclaredIn) {
-				headerFields.add(new HeaderField("declared_in", SQLType.VARCHAR));
-			}
-
-			ColumnsHeader header = constructHeader(headerFields.toArray(new HeaderField[0]));
-
-			Map<String, Object[]> data = new HashMap<>();
-			Class<Formatter> formatterClass = (Class<Formatter>) Class.forName(fd.getClassName());
-			List<Class<? extends Formatter>> hierarchy = Functions.getClassHierarchy(formatterClass, Formatter.class);
-			Collections.reverse(hierarchy);
-			hierarchy.stream().forEach((c) -> {
-				for (PropertyDeclaration p : Functions.getPropertyDeclarations(c)) {
-					data.put(p.name(), propertyDeclarationToRow(p, c, printDeclaredIn));
-				}
-			});
-
-			List<Parameter> parameters = new ArrayList<>();
-			parameters.add(new NamedParameter("formatter", formatterName, SQLType.VARCHAR));
-
-			printTable(formatter, header, "-- formatter properties", parameters, new ArrayList<>(data.values()));
-		} catch (ClassNotFoundException e) {
-			throw new ConfigurationException("Unable to find class " + fd.getClassName() + " of formatter" + fd.getName(), e);
-		}
-	}
-
-	private static Object[] propertyDeclarationToRow(PropertyDeclaration p, Class formatterClass, boolean printDeclaredIn) {
-		List list = new ArrayList();
-
-		list.add(p.name());
-		list.add(CommonProperties.getSimpleTypeName(p.type()));
-		list.add(p.defaultValue());
-		list.add(p.description());
-		if (printDeclaredIn) {
-			list.add(formatterClass.getName());
-		}
-
-		return list.toArray();
-	}
-
-	private void listTypes() throws FormatterException, ConfigurationException {
-		ColumnsHeader header = constructHeader(new HeaderField("name", SQLType.VARCHAR), new HeaderField("code", SQLType.INTEGER));
-		List<Object[]> data = new ArrayList<>();
-		for (SQLType sqlType : SQLType.values()) {
-			data.add(new Object[]{sqlType.name(), sqlType.getCode()});
-		}
-		printTable(formatter, header, "-- data types", null, data);
-		log.log(Level.INFO, "Type names in --types option are case insensitive");
-	}
-
-	private void listDatabases() throws ConfigurationException, FormatterException {
-		ColumnsHeader header = constructHeader(
-				new HeaderField("database_name", SQLType.VARCHAR),
-				new HeaderField("user_name", SQLType.VARCHAR),
-				new HeaderField("database_url", SQLType.VARCHAR));
-		List<Object[]> data = new ArrayList<>();
-
-		final List<DatabaseDefinition> configuredDatabases = configurationProvider.getConfiguration().getDatabases();
-		if (configuredDatabases.isEmpty()) {
-			log.log(Level.WARNING, "No databases are configured.");
-		} else {
-			for (DatabaseDefinition dd : configuredDatabases) {
-				data.add(new Object[]{dd.getName(), dd.getUserName(), dd.getUrl()});
-
-				final TunnelDefinition tunnel = dd.getTunnel();
-				if (tunnel != null) {
-					log.log(Level.INFO, "Tunnel command: {0}", tunnel.getCommand());
-					for (CommandArgument ca : Functions.notNull(tunnel.getArguments())) {
-						log.log(Level.INFO, "\targument: {0}/{1}", new Object[]{ca.getType(), ca.getValue()});
-					}
-				}
-
-			}
-		}
-
-		printTable(formatter, header, "-- configured databases", null, data);
-	}
-
-	private void listJdbcDrivers() throws FormatterException, ConfigurationException {
-		ColumnsHeader header = constructHeader(
-				new HeaderField("class", SQLType.VARCHAR),
-				new HeaderField("version", SQLType.VARCHAR),
-				new HeaderField("major", SQLType.INTEGER),
-				new HeaderField("minor", SQLType.INTEGER),
-				new HeaderField("jdbc_compliant", SQLType.BOOLEAN));
-		List<Object[]> data = new ArrayList<>();
-
-		final ServiceLoader<Driver> drivers = ServiceLoader.load(Driver.class);
-		for (Driver d : drivers) {
-			data.add(new Object[]{
-				d.getClass().getName(),
-				d.getMajorVersion() + "." + d.getMinorVersion(),
-				d.getMajorVersion(),
-				d.getMinorVersion(),
-				d.jdbcCompliant()
-			});
-		}
-
-		printTable(formatter, header, "-- discovered JDBC drivers (available on the CLASSPATH)", null, data);
-	}
-
-	private void listJdbcProperties() throws FormatterException, ConfigurationException {
-		for (String dbName : options.getDatabaseNamesToListProperties()) {
-			ColumnsHeader header = constructHeader(
-					new HeaderField("property_name", SQLType.VARCHAR),
-					new HeaderField("required", SQLType.BOOLEAN),
-					new HeaderField("choices", SQLType.ARRAY),
-					new HeaderField("configured_value", SQLType.VARCHAR),
-					new HeaderField("description", SQLType.VARCHAR));
-			List<Object[]> data = new ArrayList<>();
-
-			DatabaseDefinition dd = configurationProvider.getConfiguration().getDatabase(dbName);
-
-			Driver driver = findDriver(dd);
-
-			if (driver == null) {
-				log.log(Level.WARNING, "No JDBC driver was found for DB: {0} with URL: {1}", new Object[]{dd.getName(), dd.getUrl()});
-			} else {
-				log.log(Level.INFO, "For DB: {0} was found JDBC driver: {1}", new Object[]{dd.getName(), driver.getClass().getName()});
-
-				try {
-					DriverPropertyInfo[] propertyInfos = driver.getPropertyInfo(dd.getUrl(), dd.getProperties().getJavaProperties());
-
-					Set<String> standardProperties = new HashSet<>();
-
-					for (DriverPropertyInfo pi : propertyInfos) {
-						Array choices = new FakeSqlArray(pi.choices, SQLType.VARCHAR);
-						data.add(new Object[]{
-							pi.name,
-							pi.required,
-							choices.getArray() == null ? "" : choices,
-							pi.value == null ? "" : pi.value,
-							pi.description
-						});
-						standardProperties.add(pi.name);
-					}
-
-					for (Property p : dd.getProperties()) {
-						if (!standardProperties.contains(p.getName())) {
-							data.add(new Object[]{
-								p.getName(),
-								"",
-								"",
-								p.getValue(),
-								""
-							});
-							log.log(Level.WARNING, "Your configuration contains property „{0}“ not declared by the JDBC driver.", p.getName());
-						}
-					}
-
-				} catch (SQLException e) {
-					log.log(Level.WARNING, "Error during getting property infos.", e);
-				}
-
-				List<Parameter> parameters = new ArrayList<>();
-				parameters.add(new NamedParameter("database", dbName, SQLType.VARCHAR));
-				parameters.add(new NamedParameter("driver_class", driver.getClass().getName(), SQLType.VARCHAR));
-				parameters.add(new NamedParameter("driver_major_version", driver.getMajorVersion(), SQLType.INTEGER));
-				parameters.add(new NamedParameter("driver_minor_version", driver.getMinorVersion(), SQLType.INTEGER));
-
-				printTable(formatter, header, "-- configured and configurable JDBC driver properties", parameters, data);
-			}
-		}
-
-	}
-
-	private Driver findDriver(DatabaseDefinition dd) {
-		final ServiceLoader<Driver> drivers = ServiceLoader.load(Driver.class);
-		for (Driver d : drivers) {
-			try {
-				if (d.acceptsURL(dd.getUrl())) {
-					return d;
-				}
-			} catch (SQLException e) {
-				log.log(Level.WARNING, "Error during finding JDBC driver for: " + dd.getName(), e);
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * Parallelism for connection testing – maximum concurrent database connections.
-	 */
-	private static final int TESTING_THREAD_COUNT = 64;
-	/**
-	 * Time limit for all connection testing threads – particular timeouts per connection will be
-	 * much smaller.
-	 */
-	private static final long TESTING_AWAIT_LIMIT = 1;
-	private static final TimeUnit TESTING_AWAIT_UNIT = TimeUnit.DAYS;
-
-	private void testConnections() throws FormatterException, ConfigurationException {
-		ColumnsHeader header = constructHeader(
-				new HeaderField("database_name", SQLType.VARCHAR),
-				new HeaderField("configured", SQLType.BOOLEAN),
-				new HeaderField("connected", SQLType.BOOLEAN),
-				new HeaderField("product_name", SQLType.VARCHAR),
-				new HeaderField("product_version", SQLType.VARCHAR));
-
-		log.log(Level.FINE, "Testing DB connections in {0} threads", TESTING_THREAD_COUNT);
-
-		ExecutorService es = Executors.newFixedThreadPool(TESTING_THREAD_COUNT);
-
-		final Formatter currentFormatter = formatter;
-
-		printHeader(currentFormatter, header, "-- database configuration and connectivity test", null);
-
-		for (final String dbName : options.getDatabaseNamesToTest()) {
-			preloadDriver(dbName);
-		}
-
-		for (final String dbName : options.getDatabaseNamesToTest()) {
-			es.submit(() -> {
-				final Object[] row = testConnection(dbName);
-				synchronized (currentFormatter) {
-					printRow(currentFormatter, row);
-				}
-			}
-			);
-		}
-
-		es.shutdown();
-
-		try {
-			log.log(Level.FINEST, "Waiting for test results: {0} {1}", new Object[]{TESTING_AWAIT_LIMIT, TESTING_AWAIT_UNIT.name()});
-			boolean finished = es.awaitTermination(TESTING_AWAIT_LIMIT, TESTING_AWAIT_UNIT);
-			if (finished) {
-				log.log(Level.FINEST, "All testing threads finished in time limit.");
-			} else {
-				throw new FormatterException("Exceeded total time limit for test threads – this should never happen");
-			}
-		} catch (InterruptedException e) {
-			throw new FormatterException("Interrupted while waiting for test results", e);
-		}
-
-		printFooter(currentFormatter);
-	}
-
-	/**
-	 * JDBC driver classes should be preloaded in single thread to avoid deadlocks while doing
-	 * {@linkplain DriverManager#registerDriver(java.sql.Driver)} during parallel connections.
-	 *
-	 * @param dbName
-	 */
-	private void preloadDriver(String dbName) {
-		try {
-			DatabaseDefinition dd = configurationProvider.getConfiguration().getDatabase(dbName);
-			Driver driver = findDriver(dd);
-			if (driver == null) {
-				log.log(Level.WARNING, "No Driver found for DB: {0}", dbName);
-			} else {
-				log.log(Level.FINEST, "Driver preloading for DB: {0} was successfull", dbName);
-			}
-		} catch (Exception e) {
-			LogRecord r = new LogRecord(Level.WARNING, "Failed to preload the Driver for DB: {0}");
-			r.setParameters(new Object[]{dbName});
-			r.setThrown(e);
-			log.log(r);
-		}
-	}
-
-	private Object[] testConnection(String dbName) {
-		log.log(Level.FINE, "Testing connection to database: {0}", dbName);
-
-		boolean succesfullyConnected = false;
-		boolean succesfullyConfigured = false;
-		String productName = null;
-		String productVersion = null;
-
-		try {
-			DatabaseDefinition dd = configurationProvider.getConfiguration().getDatabase(dbName);
-			log.log(Level.FINE, "Database definition was loaded from configuration");
-			succesfullyConfigured = true;
-			try (DatabaseConnection dc = dd.connect(options.getDatabaseProperties())) {
-				succesfullyConnected = dc.test();
-				productName = dc.getProductName();
-				productVersion = dc.getProductVersion();
-			}
-			log.log(Level.FINE, "Database connection test was successful");
-		} catch (ConfigurationException | SQLException | RuntimeException e) {
-			log.log(Level.SEVERE, "Error during testing connection " + dbName, e);
-		}
-
-		return new Object[]{dbName, succesfullyConfigured, succesfullyConnected, productName, productVersion};
-	}
-
-	private void printResource(String fileName) {
-		try (BufferedReader reader = new BufferedReader(new InputStreamReader(getClass().getClassLoader().getResourceAsStream(fileName)))) {
-			while (true) {
-				String line = reader.readLine();
-				if (line == null) {
-					break;
-				} else {
-					println(line);
-				}
-			}
-		} catch (Exception e) {
-			log.log(Level.SEVERE, "Unable to print this info. Please see our website for it: " + Constants.WEBSITE, e);
-		}
-	}
-
-	private void println(String line) {
-		out.println(line);
-	}
-
-	private void printTable(Formatter formatter, ColumnsHeader header, String sql, List<Parameter> parameters, List<Object[]> data) throws ConfigurationException, FormatterException {
-		printTable(formatter, header, sql, parameters, data, null);
-	}
-
-	private void printTable(Formatter formatter, ColumnsHeader header, String sql, List<Parameter> parameters, List<Object[]> data, final Integer sortByColumn) throws ConfigurationException, FormatterException {
-		printHeader(formatter, header, sql, parameters);
-
-		if (sortByColumn != null) {
-			Collections.sort(data, new Comparator<Object[]>() {
-
-				@Override
-				public int compare(Object[] o1, Object[] o2) {
-					String s1 = String.valueOf(o1[sortByColumn]);
-					String s2 = String.valueOf(o2[sortByColumn]);
-					return s1.compareTo(s2);
-				}
-			});
-		}
-
-		for (Object[] row : data) {
-			printRow(formatter, row);
-		}
-
-		printFooter(formatter);
-	}
-
-	private void printHeader(Formatter formatter, ColumnsHeader header, String sql, List<Parameter> parameters) {
-		formatter.writeStartStatement();
-		if (sql != null) {
-			formatter.writeQuery(sql);
-			if (parameters != null) {
-				formatter.writeParameters(parameters);
-			}
-		}
-		formatter.writeStartResultSet(header);
-	}
-
-	private void printRow(Formatter formatter, Object[] row) {
-		formatter.writeStartRow();
-		for (Object cell : row) {
-			formatter.writeColumnValue(cell);
-		}
-		formatter.writeEndRow();
-	}
-
-	private void printFooter(Formatter formatter) {
-		formatter.writeEndResultSet();
-		formatter.writeEndStatement();
-	}
-
-	private Formatter getFormatter() throws ConfigurationException, FormatterException {
-		String formatterName = options.getFormatterName();
-		formatterName = formatterName == null ? Configuration.DEFAULT_FORMATTER_PREFETCHING : formatterName;
-		FormatterDefinition fd = configurationProvider.getConfiguration().getFormatter(formatterName);
-		FormatterContext context = new FormatterContext(out, options.getFormatterProperties());
-		return fd.getInstance(context);
-	}
-
-	private ColumnsHeader constructHeader(HeaderField... fields) throws FormatterException {
-		try {
-			RowSetMetaDataImpl metaData = new RowSetMetaDataImpl();
-			metaData.setColumnCount(fields.length);
-
-			for (int i = 0; i < fields.length; i++) {
-				HeaderField hf = fields[i];
-				int sqlIndex = i + 1;
-				metaData.setColumnName(sqlIndex, hf.name);
-				metaData.setColumnLabel(sqlIndex, hf.name);
-				metaData.setColumnType(sqlIndex, hf.type.getCode());
-				metaData.setColumnTypeName(sqlIndex, hf.type.name());
-			}
-
-			return new ColumnsHeader(metaData);
-		} catch (SQLException e) {
-			throw new FormatterException("Error while constructing table headers", e);
-		}
-	}
-
-	private static class HeaderField {
-
-		String name;
-		SQLType type;
-
-		public HeaderField(String name, SQLType type) {
-			this.name = name;
-			this.type = type;
-		}
-	}
-
-	public enum InfoType {
-
-		HELP {
-			@Override
-			public void showInfo(InfoLister infoLister) {
-				infoLister.printResource(Constants.HELP_FILE);
-			}
-		},
-		VERSION {
-			@Override
-			public void showInfo(InfoLister infoLister) {
-				infoLister.printResource(Constants.VERSION_FILE);
-			}
-		},
-		LICENSE {
-			@Override
-			public void showInfo(InfoLister infoLister) {
-				infoLister.printResource(Constants.LICENSE_FILE);
-			}
-		},
-		JAVA_PROPERTIES {
-			@Override
-			public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
-				infoLister.listJavaProperties();
-			}
-		},
-		ENVIRONMENT_VARIABLES {
-			@Override
-			public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
-				infoLister.listEnvironmentVariables();
-			}
-		},
-		FORMATTERS {
-			@Override
-			public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
-				infoLister.listFormatters();
-			}
-		},
-		FORMATTER_PROPERTIES {
-			@Override
-			public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
-				infoLister.listFormatterProperties();
-			}
-		},
-		TYPES {
-			@Override
-			public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
-				infoLister.listTypes();
-			}
-		},
-		JDBC_DRIVERS {
-			@Override
-			public void showInfo(InfoLister infoLister) throws ConfigurationException, FormatterException {
-				infoLister.listJdbcDrivers();
-			}
-		},
-		JDBC_PROPERTIES {
-			@Override
-			public void showInfo(InfoLister infoLister) throws ConfigurationException, FormatterException {
-				infoLister.listJdbcProperties();
-			}
-		},
-		DATABASES {
-			@Override
-			public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
-				infoLister.listDatabases();
-			}
-		},
-		CONNECTION {
-			@Override
-			public void showInfo(InfoLister infoLister) throws FormatterException, ConfigurationException {
-				infoLister.testConnections();
-			}
-		};
-
-		public abstract void showInfo(InfoLister infoLister) throws ConfigurationException, FormatterException;
-	}
-}