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Java JDBC 4.0 (JRE 6+) driver for PostgreSQL database

There is a newer version: 42.7.3

/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2014, PostgreSQL Global Development Group
*
*
*-------------------------------------------------------------------------
*/
package org.postgresql.ds;

import java.io.Serializable;
import java.io.ObjectOutputStream;
import java.io.ObjectInputStream;
import java.io.IOException;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;

import org.postgresql.ds.common.*;

import javax.sql.DataSource;

/**
 * Simple DataSource which does not perform connection pooling.  In order to use
 * the DataSource, you must set the property databaseName. The settings for
 * serverName, portNumber, user, and password are optional.  Note: these properties
 * are declared in the superclass.
 *
 * @author Aaron Mulder ([email protected])
 */
public class PGSimpleDataSource extends BaseDataSource implements DataSource, Serializable
{
    /**
     * Gets a description of this DataSource.
     */
    public String getDescription()
    {
        return "Non-Pooling DataSource from " + org.postgresql.Driver.getVersion();
    }

    private void writeObject(ObjectOutputStream out) throws IOException
    {
        writeBaseObject(out);
    }

    private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
    {
        readBaseObject(in);
    }

    public boolean isWrapperFor(Class iface) throws SQLException
    {
        return iface.isAssignableFrom(getClass());
    }

    public  T unwrap(Class iface) throws SQLException
    {
        if (iface.isAssignableFrom(getClass()))
        {
            return iface.cast(this);
        }
        throw new SQLException("Cannot unwrap to " + iface.getName());
    }

    public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException
    {
        throw org.postgresql.Driver.notImplemented(this.getClass(), "getParentLogger()");
    }
}