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Java Source Code / Java Documentation » Database JDBC Connection Pool » octopus » com.internetcds.jdbc.tds

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

com.internetcds.jdbc.tds .Driver

All known Subclasses:   com.internetcds.jdbc.tds .SybaseDriver,
Driver
public class Driver implements java.sql.Driver(Code)

The Java SQL framework allows for multiple database drivers.
Each driver should supply a class that implements the Driver interface.
The DriverManager will try to load as many drivers as it can find and then for any given connection request, it will ask each driver in turn to try to connect to the target URL.
It is strongly recommended that each Driver class should be small and standalone so that the Driver class can be loaded and queried without bringing in vast quantities of supporting code.
When a Driver class is loaded, it should create an instance of itself and register it with the DriverManager. This means that a user can load and register a driver by doing Class.forName("foo.bah.Driver").
author:
   Craig Spannring
author:
   Igor Petrovski
version:
   $Id: Driver.java,v 1.2 2007-10-19 13:21:40 sinisa Exp $
See Also:   DriverManager
See Also:   Connection

Field Summary
final public static String cvsVersion

final static boolean debug

final static String defaultSQLServerPort

final static String defaultSybasePort

final static String newSQLServerUrlPrefix

final static String oldSQLServerUrlPrefix

final static String sybaseUrlPrefix


Constructor Summary
public Driver()


Method Summary
public boolean acceptsURL(String url)
     Returns true if the driver thinks it can open a connection to the given URL.
public java.sql.Connection connect(String Url, Properties info)
     Try to make a database connection to the given URL.
public int getMajorVersion()

public int getMinorVersion()
     Get the driver's minor version number.
public DriverPropertyInfo[] getPropertyInfo(String Url, Properties Info)

The getPropertyInfo method is intended to allow a generic GUI tool to discover what properties it should prompt a human for in order to get enough information to connect to a database.
public boolean jdbcCompliant()
     Report whether the Driver is a genuine JDBC COMPLIANT (tm) driver. A driver may only report "true" here if it passes the JDBC compliance tests, otherwise it is required to return false. JDBC compliance requires full support for the JDBC API and full support for SQL 92 Entry Level.
protected boolean parseUrl(String url, Properties result)
     Parses the properties specified in url and adds them to result.

Field Detail
cvsVersion
final public static String cvsVersion(Code)

debug
final static boolean debug(Code)

defaultSQLServerPort
final static String defaultSQLServerPort(Code)

defaultSybasePort
final static String defaultSybasePort(Code)

newSQLServerUrlPrefix
final static String newSQLServerUrlPrefix(Code)

oldSQLServerUrlPrefix
final static String oldSQLServerUrlPrefix(Code)

sybaseUrlPrefix
final static String sybaseUrlPrefix(Code)

Constructor Detail
Driver
public Driver() throws SQLException(Code)
Construct a new driver and register it with DriverManager
exception:
  SQLException -

Method Detail
acceptsURL
public boolean acceptsURL(String url) throws SQLException(Code)
Returns true if the driver thinks it can open a connection to the given URL. Typically, drivers will return true if they understand the subprotocol specified in the URL and false if they don't. This driver's protocols start with jdbc:freetds: This driver handles URLs of the form:
jdbc:freetds://host:port/database
or
jdbc:freetds://host/database

jdbc:freetds:sqlserver://host:port/database
or
jdbc:freetds:sqlserver://host/database

jdbc:freetds:sybase://host:port/database
or
jdbc:freetds:sybase://host/database

See Also:   java.sql.Driver.acceptsURL
Parameters:
  url - the URL of the driver true if this driver accepts the given URL
exception:
  SQLException - if a database-access error occurs

connect
public java.sql.Connection connect(String Url, Properties info) throws SQLException(Code)
Try to make a database connection to the given URL. The driver should return "null" if it realizes it is the wrong kind of driver to connect to the given URL. This will be common, as when the JDBC driverManager is asked to connect to a given URL, it passes the URL to each loaded driver in turn.
The driver should raise an SQLException if it is the right driver to connect to the given URL, but has trouble connecting to the database.
The java.util.Properties argument can be used to pass arbitrary string tag/value pairs as connection arguments. This driver handles URLs of the form:
jdbc:freetds://servername/database jdbc:freetds://servername:port/database jdbc:freetds:sqlserver://servername/database jdbc:freetds:sqlserver://servername:port/database jdbc:freetds:sybase://servername/database jdbc:freetds:sybase://servername:port/database

Recognized Properties

PROGNAME Send this name to server to identify the program

APPNAME Send this name to server to identify the app

Parameters:
  url - the URL of the database to connect to
Parameters:
  info - a list of arbitrary tag/value pairs as connectionarguments a connection to the URL or null if it isnt us
exception:
  SQLException - if a database access error occurs
See Also:   java.sql.Driver.connect

getMajorVersion
public int getMajorVersion()(Code)
Gets the drivers major version number the drivers major version number

getMinorVersion
public int getMinorVersion()(Code)
Get the driver's minor version number. Initially this should be 0.

getPropertyInfo
public DriverPropertyInfo[] getPropertyInfo(String Url, Properties Info) throws SQLException(Code)

The getPropertyInfo method is intended to allow a generic GUI tool to discover what properties it should prompt a human for in order to get enough information to connect to a database. Note that depending on the values the human has supplied so far, additional values may become necessary, so it may be necessary to iterate though several calls to getPropertyInfo.
Parameters:
  url - The URL of the database to connect to.
Parameters:
  info - A proposed list of tag/value pairs that will be sent onconnect open. An array of DriverPropertyInfo objects describing possibleproperties. This array may be an empty array if no propertiesare required.
exception:
  SQLException - if a database-access error occurs.

jdbcCompliant
public boolean jdbcCompliant()(Code)
Report whether the Driver is a genuine JDBC COMPLIANT (tm) driver. A driver may only report "true" here if it passes the JDBC compliance tests, otherwise it is required to return false. JDBC compliance requires full support for the JDBC API and full support for SQL 92 Entry Level. It is expected that JDBC compliant drivers will be available for all the major commercial databases. This method is not intended to encourage the development of non-JDBC compliant drivers, but is a recognition of the fact that some vendors are interested in using the JDBC API and framework for lightweight databases that do not support full database functionality, or for special databases such as document information retrieval where a SQL implementation may not be feasible.

parseUrl
protected boolean parseUrl(String url, Properties result)(Code)
Parses the properties specified in url and adds them to result. true if the URL could be parsed successfully.

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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