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/*
 * Drizzle-JDBC
 *
 * Copyright (c) 2009-2011, Marcus Eriksson
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
 * conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided with the distribution.
 *  Neither the name of the driver nor the names of its contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.drizzle.jdbc;

import org.drizzle.jdbc.internal.SQLExceptionMapper;
import org.drizzle.jdbc.internal.common.QueryException;
import org.drizzle.jdbc.internal.common.query.DrizzleQueryFactory;
import org.drizzle.jdbc.internal.mysql.MySQLProtocol;

import javax.sql.DataSource;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

/**
 * User: marcuse Date: Feb 7, 2009 Time: 10:53:22 PM
 */
public class DrizzleDataSource implements DataSource {
    private final String hostname;
    private final int port;
    private final String database;

    public DrizzleDataSource(final String hostname, final int port, final String database) {
        this.hostname = hostname;
        this.port = port;
        this.database = database;
    }

    /**
     * 

Attempts to establish a connection with the data source that this DataSource object represents. * * @return a connection to the data source * @throws java.sql.SQLException if a database access error occurs */ public Connection getConnection() throws SQLException { try { return new DrizzleConnection(new MySQLProtocol(hostname, port, database, null, null, new Properties()), new DrizzleQueryFactory()); } catch (QueryException e) { throw SQLExceptionMapper.get(e); } } /** *

Attempts to establish a connection with the data source that this DataSource object represents. * * @param username the database user on whose behalf the connection is being made * @param password the user's password * @return a connection to the data source * @throws java.sql.SQLException if a database access error occurs * @since 1.4 */ public Connection getConnection(final String username, final String password) throws SQLException { try { return new DrizzleConnection(new MySQLProtocol(hostname, port, database, username, password, new Properties()), new DrizzleQueryFactory()); } catch (QueryException e) { throw SQLExceptionMapper.get(e); } } /** *

Retrieves the log writer for this DataSource object. *

*

The log writer is a character output stream to which all logging and tracing messages for this data source * will be printed. This includes messages printed by the methods of this object, messages printed by methods of * other objects manufactured by this object, and so on. Messages printed to a data source specific log writer are * not printed to the log writer associated with the java.sql.DriverManager class. When a * DataSource object is created, the log writer is initially null; in other words, the default is for * logging to be disabled. * * @return the log writer for this data source or null if logging is disabled * @throws java.sql.SQLException if a database access error occurs * @see #setLogWriter * @since 1.4 */ public PrintWriter getLogWriter() throws SQLException { return null; } /** *

Sets the log writer for this DataSource object to the given java.io.PrintWriter * object. *

*

The log writer is a character output stream to which all logging and tracing messages for this data source * will be printed. This includes messages printed by the methods of this object, messages printed by methods of * other objects manufactured by this object, and so on. Messages printed to a data source- specific log writer are * not printed to the log writer associated with the java.sql.DriverManager class. When a * DataSource object is created the log writer is initially null; in other words, the default is for * logging to be disabled. * * @param out the new log writer; to disable logging, set to null * @throws java.sql.SQLException if a database access error occurs * @see #getLogWriter * @since 1.4 */ public void setLogWriter(final PrintWriter out) throws SQLException { } /** *

Sets the maximum time in seconds that this data source will wait while attempting to connect to a database. A * value of zero specifies that the timeout is the default system timeout if there is one; otherwise, it specifies * that there is no timeout. When a DataSource object is created, the login timeout is initially zero. * * @param seconds the data source login time limit * @throws java.sql.SQLException if a database access error occurs. * @see #getLoginTimeout * @since 1.4 */ public void setLoginTimeout(final int seconds) throws SQLException { } /** * Gets the maximum time in seconds that this data source can wait while attempting to connect to a database. A * value of zero means that the timeout is the default system timeout if there is one; otherwise, it means that * there is no timeout. When a DataSource object is created, the login timeout is initially zero. * * @return the data source login time limit * @throws java.sql.SQLException if a database access error occurs. * @see #setLoginTimeout * @since 1.4 */ public int getLoginTimeout() throws SQLException { return 0; } /** * Returns an object that implements the given interface to allow access to non-standard methods, or standard * methods not exposed by the proxy. *

* If the receiver implements the interface then the result is the receiver or a proxy for the receiver. If the * receiver is a wrapper and the wrapped object implements the interface then the result is the wrapped object or a * proxy for the wrapped object. Otherwise return the the result of calling unwrap recursively on the * wrapped object or a proxy for that result. If the receiver is not a wrapper and does not implement the interface, * then an SQLException is thrown. * * @param iface A Class defining an interface that the result must implement. * @return an object that implements the interface. May be a proxy for the actual implementing object. * @throws java.sql.SQLException If no object found that implements the interface * @since 1.6 */ public T unwrap(final Class iface) throws SQLException { return null; } /** * Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an * object that does. Returns false otherwise. If this implements the interface then return true, else if this is a * wrapper then return the result of recursively calling isWrapperFor on the wrapped object. If this * does not implement the interface and is not a wrapper, return false. This method should be implemented as a * low-cost operation compared to unwrap so that callers can use this method to avoid expensive * unwrap calls that may fail. If this method returns true then calling unwrap with the * same argument should succeed. * * @param iface a Class defining an interface. * @return true if this implements the interface or directly or indirectly wraps an object that does. * @throws java.sql.SQLException if an error occurs while determining whether this is a wrapper for an object with * the given interface. * @since 1.6 */ public boolean isWrapperFor(final Class iface) throws SQLException { return false; } }





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