--- 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;
- }
-}