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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.sql

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

java.sql .DriverManager

DriverManager
public class DriverManager (Code)
	Provides facilities for managing JDBC Drivers. The DriverManager class will load JDBC drivers during its initialization, from the list of drivers referenced by the System Property "jdbc.drivers".

Method Summary
public static void	deregisterDriver(Driver driver) Removes a driver from the DriverManager's registered driver list.
public static Connection	getConnection(String url) Attempts to establish a connection to the given database URL. Parameters: url - a URL string representing the database target to connect with a Connection to the database identified by the URL.
public static Connection	getConnection(String url, Properties info) Attempts to establish a connection to the given database URL. Parameters: url - a URL string representing the database target to connect with Parameters: info - a set of Properties to use as arguments to set up theconnection.
public static Connection	getConnection(String url, String user, String password) Attempts to establish a connection to the given database URL. Parameters: url - a URL string representing the database target to connect with Parameters: user - a userid used to login to the database Parameters: password - a password for the userid to login to the database a Connection to the database identified by the URL.
public static Driver	getDriver(String url) Tries to find a driver that can interpret the supplied URL. Parameters: url - the URL of a database a Driver that can understand the given URL.
public static Enumeration<Driver>	getDrivers() Returns an Enumeration that contains all of the loaded JDBC drivers that the current caller can access.
public static PrintStream	getLogStream()
public static PrintWriter	getLogWriter() Retrieves the log writer. A PrintWriter object used as the log writer.
public static int	getLoginTimeout() Returns the login timeout when connecting to a database, in seconds.
public static void	println(String message) Prints a message to the current JDBC log stream.
public static void	registerDriver(Driver driver) Registers a given JDBC driver with the DriverManager.
public static void	setLogStream(PrintStream out)
public static void	setLogWriter(PrintWriter out) Sets the PrintWriter that will be used by all loaded drivers, and also the DriverManager.
public static void	setLoginTimeout(int seconds) Set the login timeout when connecting to a database, in seconds. Parameters: seconds - seconds until timeout.

Method Detail

deregisterDriver
public static void deregisterDriver(Driver driver) throws SQLException(Code)
	Removes a driver from the DriverManager's registered driver list. This will only succeed where the caller's classloader loaded the driver that is to be removed. If the driver was loaded by a different classloader, the removal of the driver will fail silently. If the removal succeeds, the DriverManager will not in future use this driver when asked to get a Connection. Parameters: driver - throws: SQLException - if there is an exception accessing the database.

getConnection
public static Connection getConnection(String url) throws SQLException(Code)
	Attempts to establish a connection to the given database URL. Parameters: url - a URL string representing the database target to connect with a Connection to the database identified by the URL. null if noconnection can be made. throws: SQLException - if there is an error while attempting to connect to thedatabase identified by the URL

getConnection
public static Connection getConnection(String url, Properties info) throws SQLException(Code)
	Attempts to establish a connection to the given database URL. Parameters: url - a URL string representing the database target to connect with Parameters: info - a set of Properties to use as arguments to set up theconnection. Properties are arbitrary string/value pairs.Normally, at least the properties "user" and "password" shouldbe passed, with appropriate settings for the userid and itscorresponding password to get access to the databaseconcerned. a Connection to the database identified by the URL. null if noconnection can be made. throws: SQLException - if there is an error while attempting to connect to thedatabase identified by the URL

getConnection
public static Connection getConnection(String url, String user, String password) throws SQLException(Code)
	Attempts to establish a connection to the given database URL. Parameters: url - a URL string representing the database target to connect with Parameters: user - a userid used to login to the database Parameters: password - a password for the userid to login to the database a Connection to the database identified by the URL. null if noconnection can be made. throws: SQLException - if there is an error while attempting to connect to thedatabase identified by the URL

getDriver
public static Driver getDriver(String url) throws SQLException(Code)
	Tries to find a driver that can interpret the supplied URL. Parameters: url - the URL of a database a Driver that can understand the given URL. null if no Driverunderstands the URL throws: SQLException - if there is any kind of Database Access problem

getDrivers
public static Enumeration<Driver> getDrivers()(Code)
	Returns an Enumeration that contains all of the loaded JDBC drivers that the current caller can access. An Enumeration containing all the currently loaded JDBC Drivers

getLogStream
public static PrintStream getLogStream()(Code)
	the PrintStream used for logging activity

getLogWriter
public static PrintWriter getLogWriter()(Code)
	Retrieves the log writer. A PrintWriter object used as the log writer. null if no logwriter is set.

getLoginTimeout
public static int getLoginTimeout()(Code)
	Returns the login timeout when connecting to a database, in seconds. the login timeout in seconds

println
public static void println(String message)(Code)
	Prints a message to the current JDBC log stream. This is either the PrintWriter or (deprecated) the PrintStream, if set. Parameters: message - the message to print to the JDBC log stream

registerDriver
public static void registerDriver(Driver driver) throws SQLException(Code)
	Registers a given JDBC driver with the DriverManager. A newly loaded JDBC driver class should register itself with the DriverManager by calling this method. Parameters: driver - the Driver to register with the DriverManager throws: SQLException - if a database access error occurs.

setLogStream
public static void setLogStream(PrintStream out)(Code)
	Parameters: out - the PrintStream to use for logging.

setLogWriter
public static void setLogWriter(PrintWriter out)(Code)
	Sets the PrintWriter that will be used by all loaded drivers, and also the DriverManager. Parameters: out - the PrintWriter to be used

setLoginTimeout
public static void setLoginTimeout(int seconds)(Code)
	Set the login timeout when connecting to a database, in seconds. Parameters: seconds - seconds until timeout. 0 indicates wait forever.

Methods inherited from java.lang.Object

protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object object)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final public Class<? extends Object> getClass()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
final public void notify()(Code)(Java Doc)
final public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final public void wait(long millis, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait(long millis) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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