org.knime.core.node.port.database
Class DatabaseDriverLoader

java.lang.Object
  org.knime.core.node.port.database.DatabaseDriverLoader

public final class DatabaseDriverLoader
extends Object

Utility class to load additional drivers from jar and zip to the DriverManager.

Author:

Thomas Gabriel, University of Konstanz

Field Summary

static String[]	EXTENSIONS Allowed file extensions, jar and zip only.
(package private) static String	JDBC_ODBC_DRIVER Name of the standard JDBC-ODBC database driver, sun.jdbc.odbc.JdbcOdbcDriver object.

Method Summary

static File	getDriverFileForDriverClass(String driverClass) Returns the absolute path for the driver class name from which it has been loaded.
static Set<String>	getLoadedDriver()
static String	getURLForDriver(String driver) Returns a URL protocol for a given Driver extended by an default host, port, database name String.
static void	loadDriver(File file) Loads Driver from the given file.
static Driver	registerDriver(String driver) Registers given Driver at the DriverManager.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

JDBC_ODBC_DRIVER

static final String JDBC_ODBC_DRIVER

Name of the standard JDBC-ODBC database driver, sun.jdbc.odbc.JdbcOdbcDriver object. Loaded per default.

See Also:

Constant Field Values

EXTENSIONS

public static final String[] EXTENSIONS

Allowed file extensions, jar and zip only.

Method Detail

registerDriver

public static Driver registerDriver(String driver)
                             throws InvalidSettingsException

Registers given Driver at the DriverManager.

Parameters:

driver - to register

Returns:

SQL Driver

Throws:

InvalidSettingsException - if the database drivers could not registered

loadDriver

public static void loadDriver(File file)
                       throws IOException

Loads Driver from the given file.

Parameters:

file - Load driver from.

Throws:

IOException - IOException

getLoadedDriver

public static Set<String> getLoadedDriver()

Returns:

A set if loaded driver names.

getURLForDriver

public static String getURLForDriver(String driver)

Returns a URL protocol for a given Driver extended by an default host, port, database name String. If no protocol URL has been defined the default String staring with protocol is return.

Parameters:

driver - the driver to match URL protocol

Returns:

an String containing protocol, port, host, and database name place holder

getDriverFileForDriverClass

public static File getDriverFileForDriverClass(String driverClass)

Returns the absolute path for the driver class name from which it has been loaded.

Parameters:

driverClass - driver class name

Returns:

driver file location