ObjectStreamException.java: New file.
* java/io/ObjectStreamException.java: New file. * java/io/OptionalDataException.java: New file. * java/io/StreamCorruptedException.java: New file. * java/math/BigDecimal.java: New file. * java/sql/CallableStatement.java: New file. * java/sql/Connection.java: New file. * java/sql/DataTruncation.java: New file. * java/sql/DatabaseMetaData.java: New file. * java/sql/Date.java: New file. * java/sql/Driver.java: New file. * java/sql/DriverManager.java: New file. * java/sql/DriverPropertyInfo.java: New file. * java/sql/PreparedStatement.java: New file. * java/sql/ResultSet.java: New file. * java/sql/ResultSetMetaData.java: New file. * java/sql/SQLException.java: New file. * java/sql/SQLWarning.java: New file. * java/sql/Statement.java: New file. * java/sql/Time.java: New file. * java/sql/Timestamp.java: New file. * java/sql/Types.java: New file. * Makefile.am: Added above new files. * Makefile.in: Rebuilt. * mauve-libgcj: Turned on java.math, java.sql and java.security tests. * java/net/MulticastSocket.java (MulticastSocket): Pass values a la DatagramSocket constructor instead of null. java.sql is JDK 1.1 Compliant From-SVN: r33077
This commit is contained in:
Warren Levy
Warren Levy
parent
3a2b2c7a20
commit
d0123c54ca
26 changed files with 7065 additions and 20 deletions
336
libjava/java/sql/DriverManager.java
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336
libjava/java/sql/DriverManager.java
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/* DriverManager.java -- Manage JDBC drivers
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.sql;
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import java.io.PrintStream;
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import java.io.PrintWriter;
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import java.util.Enumeration;
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import java.util.Properties;
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import java.util.StringTokenizer;
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import java.util.Vector;
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/**
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* This class manages the JDBC drivers in the system. It maintains a
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* registry of drivers and locates the appropriate driver to handle a
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* JDBC database URL.
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* <p>
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* On startup, <code>DriverManager</code> loads all the managers specified
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* by the system property <code>jdbc.drivers</code>. The value of this
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* property should be a colon separated list of fully qualified driver
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* class names. Additional drivers can be loaded at any time by
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* simply loading the driver class with <code>class.forName(String)</code>.
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* The driver should automatically register itself in a static
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* initializer.
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* <p>
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* The methods in this class are all <code>static</code>. This class
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* cannot be instantiated.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public class DriverManager
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{
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/*
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* Class Variables
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*/
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/**
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* This is the log stream for JDBC drivers.
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*/
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private static PrintStream log_stream;
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/**
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* This is the log writer for JDBC drivers.
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*/
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private static PrintWriter log_writer;
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/**
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* This is the login timeout used by JDBC drivers.
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*/
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private static int login_timeout;
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/**
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* This is the list of JDBC drivers that are loaded.
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*/
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private static Vector drivers;
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// Hmm, seems like we might want to do a Hashtable and lookup by something,
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// but what would it be?
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// Load all drivers on startup
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static
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{
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drivers = new Vector();
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String driver_string = System.getProperty("jdbc.drivers");
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if (driver_string != null)
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{
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StringTokenizer st = new StringTokenizer(driver_string);
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while (st.hasMoreTokens())
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{
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String driver_classname = st.nextToken();
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try
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{
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Class.forName(driver_classname); // The driver registers itself
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}
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catch (Exception e) { ; } // Ignore not founds
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}
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}
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}
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/*************************************************************************/
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/*
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* Class Methods
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*/
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/**
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* This method returns the login timeout in use by JDBC drivers systemwide.
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*
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* @return The login timeout.
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*/
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public static int
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getLoginTimeout()
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{
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return(login_timeout);
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}
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/*************************************************************************/
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/**
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* This method set the login timeout used by JDBC drivers. This is a
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* system-wide parameter that applies to all drivers.
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*
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* @param login_timeout The new login timeout value.
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*/
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public static void
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setLoginTimeout(int login_timeout)
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{
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DriverManager.login_timeout = login_timeout;
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}
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/*************************************************************************/
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/**
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* This method returns the log stream in use by JDBC.
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*
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* @return The log stream in use by JDBC.
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*
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* @deprecated Use <code>getLogWriter()</code> instead.
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*/
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public static PrintStream
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getLogStream()
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{
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return(log_stream);
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}
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/*************************************************************************/
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/**
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* This method sets the log stream in use by JDBC.
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*
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* @param log_stream The log stream in use by JDBC.
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*
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* @deprecated Use <code>setLogWriter</code> instead.
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*/
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public static void
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setLogStream(PrintStream log_stream)
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{
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DriverManager.log_stream = log_stream;
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}
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/*************************************************************************/
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/**
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* This method prints the specified line to the log stream.
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*
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* @param str The string to write to the log stream.
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*/
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public static void
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println(String str)
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{
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if (log_stream != null) // Watch for user not using logging
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log_stream.println(str);
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}
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/*************************************************************************/
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/**
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* This method registers a new driver with the manager. This is normally
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* called by the driver itself in a static initializer.
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*
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* @param driver The new <code>Driver</code> to add.
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*/
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public static void
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registerDriver(Driver driver)
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{
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if (!drivers.contains(driver))
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drivers.addElement(driver);
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}
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/*************************************************************************/
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/**
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* This method de-registers a driver from the manager.
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*
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* @param driver The <code>Driver</code> to unregister.
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*/
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public static void
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deregisterDriver(Driver driver)
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{
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if (drivers.contains(driver))
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drivers.removeElement(driver);
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}
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/*************************************************************************/
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/**
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* This method returns a list of all the currently loaded JDBC drivers which
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* the current caller has access to.
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*
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* @return An <code>Enumeration</code> of all currently loaded JDBC drivers.
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*/
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public static Enumeration
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getDrivers()
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{
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return(drivers.elements());
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}
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/*************************************************************************/
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/**
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* This method returns a driver that can connect to the specified
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* JDBC URL string. This will be selected from among drivers loaded
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* at initialization time and those drivers manually loaded by the
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* same class loader as the caller.
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*
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* @param url The JDBC URL string to find a driver for.
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*
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* @return A <code>Driver</code> that can connect to the specified
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* URL, or <code>null</code> if a suitable driver cannot be found.
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*
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* @exception SQLException If an error occurs.
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*/
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public static Driver
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getDriver(String url) throws SQLException
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{
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// FIXME: Limit driver search to the appropriate subset of loaded drivers.
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Enumeration e = drivers.elements();
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while(e.hasMoreElements())
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{
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Driver d = (Driver)e.nextElement();
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if (d.acceptsURL(url))
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return(d);
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}
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return(null);
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}
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/*************************************************************************/
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/**
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* This method attempts to return a connection to the specified
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* JDBC URL string.
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*
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* @param url The JDBC URL string to connect to.
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*
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* @return A <code>Connection</code> to that URL.
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*
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* @exception SQLException If an error occurs.
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*/
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public static Connection
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getConnection(String url) throws SQLException
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{
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return(getConnection(url, new Properties()));
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}
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/*************************************************************************/
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/**
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* This method attempts to return a connection to the specified
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* JDBC URL string using the specified username and password.
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*
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* @param url The JDBC URL string to connect to.
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* @param user The username to connect with.
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* @param password The password to connect with.
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*
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* @return A <code>Connection</code> to that URL.
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*
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* @exception SQLException If an error occurs.
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*/
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public static Connection
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getConnection(String url, String user, String password) throws SQLException
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{
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Properties p = new Properties();
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p.setProperty("user", user);
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p.setProperty("password", password);
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return(getConnection(url, p));
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}
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/*************************************************************************/
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/**
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* This method attempts to return a connection to the specified
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* JDBC URL string using the specified connection properties.
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*
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* @param url The JDBC URL string to connect to.
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* @param properties The connection properties.
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*
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* @return A <code>Connection</code> to that URL.
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*
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* @exception SQLException If an error occurs.
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*/
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public static Connection
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getConnection(String url, Properties properties) throws SQLException
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{
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Driver d = getDriver(url);
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if (d == null)
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throw new SQLException("Driver not found for URL: " + url);
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return(d.connect(url, properties));
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}
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/*************************************************************************/
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/*
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* Constructors
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*/
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// Keep bozos from trying to instantiate us.
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private
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DriverManager()
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{
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;
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}
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} // class DriverManager
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