Example usage for java.sql DatabaseMetaData getUserName

Introduction

In this page you can find the example usage for java.sql DatabaseMetaData getUserName.

Prototype

String getUserName() throws SQLException;

Source Link

Document

Retrieves the user name as known to this database.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();

    DatabaseMetaData mtdt = conn.getMetaData();
    System.out.println("URL in use: " + mtdt.getURL());
    System.out.println("User name: " + mtdt.getUserName());
    System.out.println("DBMS name: " + mtdt.getDatabaseProductName());
    System.out.println("DBMS version: " + mtdt.getDatabaseProductVersion());
    System.out.println("Driver name: " + mtdt.getDriverName());
    System.out.println("Driver version: " + mtdt.getDriverVersion());
    System.out.println("supp. SQL Keywords: " + mtdt.getSQLKeywords());

    conn.close();/*from  w  w w .j  a  v a2 s  . c o m*/
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getHSQLConnection();

    DatabaseMetaData md = conn.getMetaData();

    System.out.println("JDBC Driver: " + md.getDriverName() + " " + md.getDriverVersion());
    System.out.println("Database: " + md.getURL());
    System.out.println("User: " + md.getUserName());

    conn.close();/*w  ww  .j  a  va2 s.co  m*/
}

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From source file:Main.java

public static void main(String[] argv) {
    Connection connection = null;
    Statement statement;/*www  .  j a va2 s .  co  m*/
    ResultSet rs;
    try {
        Context ctx = new InitialContext();
        DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/AccountsDB");
        connection = ds.getConnection();

        DatabaseMetaData md = connection.getMetaData();
        statement = connection.createStatement();

        System.out.println("getURL() - " + md.getURL());
        System.out.println("getUserName() - " + md.getUserName());
        System.out.println("getDatabaseProductVersion - " + md.getDatabaseProductVersion());
        System.out.println("getDriverMajorVersion - " + md.getDriverMajorVersion());
        System.out.println("getDriverMinorVersion - " + md.getDriverMinorVersion());
        System.out.println("nullAreSortedHigh - " + md.nullsAreSortedHigh());

        System.out.println("<H1>Feature Support</H1>");
        System.out.println(
                "supportsAlterTableWithDropColumn - " + md.supportsAlterTableWithDropColumn() + "<BR>");
        System.out.println("supportsBatchUpdates - " + md.supportsBatchUpdates());
        System.out.println("supportsTableCorrelationNames - " + md.supportsTableCorrelationNames());
        System.out.println("supportsPositionedDelete - " + md.supportsPositionedDelete());
        System.out.println("supportsFullOuterJoins - " + md.supportsFullOuterJoins());
        System.out.println("supportsStoredProcedures - " + md.supportsStoredProcedures());
        System.out.println("supportsMixedCaseQuotedIdentifiers - " + md.supportsMixedCaseQuotedIdentifiers());
        System.out.println("supportsANSI92EntryLevelSQL - " + md.supportsANSI92EntryLevelSQL());
        System.out.println("supportsCoreSQLGrammar - " + md.supportsCoreSQLGrammar());
        System.out.println("getMaxRowSize - " + md.getMaxRowSize());
        System.out.println("getMaxStatementLength - " + md.getMaxStatementLength());
        System.out.println("getMaxTablesInSelect - " + md.getMaxTablesInSelect());
        System.out.println("getMaxConnections - " + md.getMaxConnections());
        System.out.println("getMaxCharLiteralLength - " + md.getMaxCharLiteralLength());

        System.out.println("getTableTypes()");
        rs = md.getTableTypes();
        while (rs.next()) {
            System.out.println(rs.getString(1));
        }
        System.out.println("getTables()");
        rs = md.getTables("accounts", "", "%", new String[0]);
        while (rs.next()) {
            System.out.println(rs.getString("TABLE_NAME"));
        }
        System.out.println("Transaction Support");
        System.out.println("getDefaultTransactionIsolation() - " + md.getDefaultTransactionIsolation());
        System.out
                .println("dataDefinitionIgnoredInTransactions() - " + md.dataDefinitionIgnoredInTransactions());

        System.out.println("General Source Information");
        System.out.println("getMaxTablesInSelect - " + md.getMaxTablesInSelect());
        System.out.println("getMaxColumnsInTable - " + md.getMaxColumnsInTable());
        System.out.println("getTimeDateFunctions - " + md.getTimeDateFunctions());
        System.out.println("supportsCoreSQLGrammar - " + md.supportsCoreSQLGrammar());

        System.out.println("getTypeInfo()");
        rs = md.getTypeInfo();
        while (rs.next()) {
            System.out.println(rs.getString(1));
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:GetDBInfo.java

public static void main(String[] args) {
    Connection c = null; // The JDBC connection to the database server
    try {/* w  ww . j av  a 2 s.c  o m*/
        // Look for the properties file DB.props in the same directory as
        // this program. It will contain default values for the various
        // parameters needed to connect to a database
        Properties p = new Properties();
        try {
            p.load(GetDBInfo.class.getResourceAsStream("DB.props"));
        } catch (Exception e) {
        }

        // Get default values from the properties file
        String driver = p.getProperty("driver"); // Driver class name
        String server = p.getProperty("server", ""); // JDBC URL for server
        String user = p.getProperty("user", ""); // db user name
        String password = p.getProperty("password", ""); // db password

        // These variables don't have defaults
        String database = null; // The db name (appended to server URL)
        String table = null; // The optional name of a table in the db

        // Parse the command-line args to override the default values above
        for (int i = 0; i < args.length; i++) {
            if (args[i].equals("-d"))
                driver = args[++i]; //-d <driver>
            else if (args[i].equals("-s"))
                server = args[++i];//-s <server>
            else if (args[i].equals("-u"))
                user = args[++i]; //-u <user>
            else if (args[i].equals("-p"))
                password = args[++i];
            else if (database == null)
                database = args[i]; // <dbname>
            else if (table == null)
                table = args[i]; // <table>
            else
                throw new IllegalArgumentException("Unknown argument: " + args[i]);
        }

        // Make sure that at least a server or a database were specified.
        // If not, we have no idea what to connect to, and cannot continue.
        if ((server.length() == 0) && (database.length() == 0))
            throw new IllegalArgumentException("No database specified.");

        // Load the db driver, if any was specified.
        if (driver != null)
            Class.forName(driver);

        // Now attempt to open a connection to the specified database on
        // the specified server, using the specified name and password
        c = DriverManager.getConnection(server + database, user, password);

        // Get the DatabaseMetaData object for the connection. This is the
        // object that will return us all the data we're interested in here
        DatabaseMetaData md = c.getMetaData();

        // Display information about the server, the driver, etc.
        System.out.println("DBMS: " + md.getDatabaseProductName() + " " + md.getDatabaseProductVersion());
        System.out.println("JDBC Driver: " + md.getDriverName() + " " + md.getDriverVersion());
        System.out.println("Database: " + md.getURL());
        System.out.println("User: " + md.getUserName());

        // Now, if the user did not specify a table, then display a list of
        // all tables defined in the named database. Note that tables are
        // returned in a ResultSet, just like query results are.
        if (table == null) {
            System.out.println("Tables:");
            ResultSet r = md.getTables("", "", "%", null);
            while (r.next())
                System.out.println("\t" + r.getString(3));
        }

        // Otherwise, list all columns of the specified table.
        // Again, information about the columns is returned in a ResultSet
        else {
            System.out.println("Columns of " + table + ": ");
            ResultSet r = md.getColumns("", "", table, "%");
            while (r.next())
                System.out.println("\t" + r.getString(4) + " : " + r.getString(6));
        }
    }
    // Print an error message if anything goes wrong.
    catch (Exception e) {
        System.err.println(e);
        if (e instanceof SQLException)
            System.err.println(((SQLException) e).getSQLState());
        System.err.println("Usage: java GetDBInfo [-d <driver] " + "[-s <dbserver>]\n"
                + "\t[-u <username>] [-p <password>] <dbname>");
    }
    // Always remember to close the Connection object when we're done!
    finally {
        try {
            c.close();
        } catch (Exception e) {
        }
    }
}

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From source file:mangotiger.sql.SQL.java

private static String asString(final Connection connection) throws SQLException {
    final DatabaseMetaData metaData = connection.getMetaData();
    return metaData.getURL() + ":username=" + metaData.getUserName();
}

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From source file:com.anyi.gp.license.RegisterTools.java

public static String getDBServerURL() {
    Connection conn = null;//from ww  w .  ja  v a 2s. c o  m
    try {
        conn = DAOFactory.getInstance().getConnection();
        if (conn != null) {
            DatabaseMetaData meta = conn.getMetaData();
            return (meta.getURL() + ":" + meta.getUserName()).toUpperCase();
        }
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        DBHelper.closeConnection(conn);
    }
    return "";
}

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From source file:com.aurel.track.dbase.UpdateDbSchema.java

private static boolean hasTables(Connection conn) {
    boolean hasTables = false;
    try {/*w w  w. jav a 2 s. c o  m*/
        DatabaseMetaData md = conn.getMetaData();
        String userName = md.getUserName();
        String url = md.getURL();
        boolean isOracleOrDb2 = url.startsWith("jdbc:oracle") || url.startsWith("jdbc:db2");
        ResultSet rsTables = md.getTables(conn.getCatalog(), isOracleOrDb2 ? userName : null, null, null);
        LOGGER.info("Getting the tables metadata");
        if (rsTables != null && rsTables.next()) {
            LOGGER.info("Find TSITE table...");

            while (rsTables.next()) {
                String tableName = rsTables.getString("TABLE_NAME");
                String tablenameUpperCase = tableName.toUpperCase();
                if ("TSITE".equals(tablenameUpperCase)) {
                    LOGGER.info("TSITE table found");
                    hasTables = true;
                    break;
                } else {
                    if (tablenameUpperCase.endsWith("TSITE")) {
                        LOGGER.info(tablenameUpperCase + " table found");
                        hasTables = true;
                        break;
                    }
                }
            }
        }
    } catch (Exception e) {
        LOGGER.debug(ExceptionUtils.getStackTrace(e));
    }
    if (!hasTables) {
        Statement stmt = null;
        ResultSet rs = null;
        try {
            stmt = conn.createStatement();
            rs = stmt.executeQuery("SELECT OBJECTID FROM TSITE");
            if (rs.next()) {
                hasTables = true;
            }
        } catch (SQLException e) {
            LOGGER.info("Table TSITE  does not exist");
        } finally {
            if (rs != null) {
                try {
                    rs.close();
                } catch (SQLException e) {
                }
            }
            if (stmt != null) {
                try {
                    stmt.close();
                } catch (SQLException e) {
                }
            }
        }
    }
    return hasTables;
}

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From source file:fi.luontola.cqrshotel.JdbcConfiguration.java

@PostConstruct
public void statusReport() throws SQLException {
    try (Connection connection = DataSourceUtils.getConnection(dataSource)) {
        DatabaseMetaData metaData = connection.getMetaData();
        log.info("Database: {} {}", metaData.getDatabaseProductName(), metaData.getDatabaseProductVersion());
        log.info("User: {}", metaData.getUserName());
        log.info("Connection URL: {} (configuration was {})", metaData.getURL(), dataSourceProperties.getUrl());
        log.info("Flyway locations: {}", flywayProperties.getLocations());
    }//from w w w. j av a 2s.  co  m
}

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From source file:DatabaseInfo.java

public void doGet(HttpServletRequest inRequest, HttpServletResponse outResponse)
        throws ServletException, IOException {

    PrintWriter out = null;/*  w  ww . j  a va  2  s. com*/
    Connection connection = null;
    Statement statement;
    ResultSet rs;

    outResponse.setContentType("text/html");
    out = outResponse.getWriter();

    try {
        Context ctx = new InitialContext();
        DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/AccountsDB");
        connection = ds.getConnection();

        DatabaseMetaData md = connection.getMetaData();
        statement = connection.createStatement();

        out.println("<HTML><HEAD><TITLE>Database Server Information</TITLE></HEAD>");
        out.println("<BODY>");
        out.println("<H1>General Source Information</H1>");
        out.println("getURL() - " + md.getURL() + "<BR>");
        out.println("getUserName() - " + md.getUserName() + "<BR>");
        out.println("getDatabaseProductVersion - " + md.getDatabaseProductVersion() + "<BR>");
        out.println("getDriverMajorVersion - " + md.getDriverMajorVersion() + "<BR>");
        out.println("getDriverMinorVersion - " + md.getDriverMinorVersion() + "<BR>");
        out.println("nullAreSortedHigh - " + md.nullsAreSortedHigh() + "<BR>");

        out.println("<H1>Feature Support</H1>");
        out.println("supportsAlterTableWithDropColumn - " + md.supportsAlterTableWithDropColumn() + "<BR>");
        out.println("supportsBatchUpdates - " + md.supportsBatchUpdates() + "<BR>");
        out.println("supportsTableCorrelationNames - " + md.supportsTableCorrelationNames() + "<BR>");
        out.println("supportsPositionedDelete - " + md.supportsPositionedDelete() + "<BR>");
        out.println("supportsFullOuterJoins - " + md.supportsFullOuterJoins() + "<BR>");
        out.println("supportsStoredProcedures - " + md.supportsStoredProcedures() + "<BR>");
        out.println("supportsMixedCaseQuotedIdentifiers - " + md.supportsMixedCaseQuotedIdentifiers() + "<BR>");
        out.println("supportsANSI92EntryLevelSQL - " + md.supportsANSI92EntryLevelSQL() + "<BR>");
        out.println("supportsCoreSQLGrammar - " + md.supportsCoreSQLGrammar() + "<BR>");

        out.println("<H1>Data Source Limits</H1>");
        out.println("getMaxRowSize - " + md.getMaxRowSize() + "<BR>");
        out.println("getMaxStatementLength - " + md.getMaxStatementLength() + "<BR>");
        out.println("getMaxTablesInSelect - " + md.getMaxTablesInSelect() + "<BR>");
        out.println("getMaxConnections - " + md.getMaxConnections() + "<BR>");
        out.println("getMaxCharLiteralLength - " + md.getMaxCharLiteralLength() + "<BR>");

        out.println("<H1>SQL Object Available</H1>");
        out.println("getTableTypes()<BR><UL>");
        rs = md.getTableTypes();
        while (rs.next()) {
            out.println("<LI>" + rs.getString(1));
        }
        out.println("</UL>");

        out.println("getTables()<BR><UL>");
        rs = md.getTables("accounts", "", "%", new String[0]);
        while (rs.next()) {
            out.println("<LI>" + rs.getString("TABLE_NAME"));
        }
        out.println("</UL>");

        out.println("<H1>Transaction Support</H1>");
        out.println("getDefaultTransactionIsolation() - " + md.getDefaultTransactionIsolation() + "<BR>");
        out.println(
                "dataDefinitionIgnoredInTransactions() - " + md.dataDefinitionIgnoredInTransactions() + "<BR>");

        out.println("<H1>General Source Information</H1>");
        out.println("getMaxTablesInSelect - " + md.getMaxTablesInSelect() + "<BR>");
        out.println("getMaxColumnsInTable - " + md.getMaxColumnsInTable() + "<BR>");
        out.println("getTimeDateFunctions - " + md.getTimeDateFunctions() + "<BR>");
        out.println("supportsCoreSQLGrammar - " + md.supportsCoreSQLGrammar() + "<BR>");

        out.println("getTypeInfo()<BR><UL>");
        rs = md.getTypeInfo();
        while (rs.next()) {
            out.println("<LI>" + rs.getString(1));
        }
        out.println("</UL>");

        out.println("</BODY></HTML>");
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:org.focusns.service.env.impl.EnvironmentServiceImpl.java

protected Environment lookupDB() {
    try {/*from  w  ww.j a  v  a 2s.c o  m*/
        DatabaseMetaData metaData = dataSource.getConnection().getMetaData();
        //
        EnvironmentDB envDB = new EnvironmentDB();
        envDB.setDatabaseName(metaData.getDatabaseProductName());
        envDB.setDatabaseVersion(metaData.getDatabaseProductVersion());
        envDB.setDriverName(metaData.getDriverName());
        envDB.setDriverVersion(metaData.getDriverVersion());
        envDB.setUrl(metaData.getURL());
        envDB.setUsername(metaData.getUserName());
        envDB.setMaxConnections(metaData.getMaxConnections());
        //
        metaData.getConnection().close();
        //
        return envDB;
    } catch (SQLException e) {
        throw new UnsupportedOperationException(e);
    }
}

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