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/*
 * This file is part of Log4Jdbc.
 *
 * Log4Jdbc is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Log4Jdbc is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Log4Jdbc.  If not, see .
 *
 */
package fr.ms.log4jdbc;

import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.logging.Logger;

import fr.ms.log4jdbc.datasource.AbstractRewriteDataSource;
import fr.ms.log4jdbc.proxy.Log4JdbcProxy;

/**
 *
 * @see Marco4J
 *
 *
 * @author Marco Semiao
 *
 */
public class DataSource extends AbstractRewriteDataSource implements javax.sql.DataSource {

    private final static String PROPERTY = "fr.ms.log4jdbc.DataSource";

    private final javax.sql.DataSource dataSource;

    public DataSource() {
	this.dataSource = (javax.sql.DataSource) newInstanceDataSource();
    }

    public DataSource(final javax.sql.DataSource dataSource) {
	this.dataSource = dataSource;
    }

    protected Object getImpl() {
	return dataSource;
    }

    protected String getDataSourceClassName() {
	final String className = System.getProperty(PROPERTY);
	if (className == null) {
	    throw new IllegalArgumentException("System property " + PROPERTY + " is not set !!!");
	}
	return className;
    }

    public Connection getConnection() throws SQLException {
	final Connection c = dataSource.getConnection();
	final Connection wrap = Log4JdbcProxy.proxyConnection(c, dataSource.getClass());

	return wrap;
    }

    public Connection getConnection(final String username, final String password) throws SQLException {
	final Connection c = dataSource.getConnection(username, password);
	final Connection wrap = Log4JdbcProxy.proxyConnection(c, dataSource.getClass());

	return wrap;
    }

    public PrintWriter getLogWriter() throws SQLException {
	return dataSource.getLogWriter();
    }

    public Object unwrap(final Class iface) throws SQLException {
	return dataSource.unwrap(iface);
    }

    public void setLogWriter(final PrintWriter out) throws SQLException {
	dataSource.setLogWriter(out);
    }

    public boolean isWrapperFor(final Class iface) throws SQLException {
	return dataSource.isWrapperFor(iface);
    }

    public void setLoginTimeout(final int seconds) throws SQLException {
	dataSource.setLoginTimeout(seconds);
    }

    public int getLoginTimeout() throws SQLException {
	return dataSource.getLoginTimeout();
    }

    public Logger getParentLogger() throws SQLFeatureNotSupportedException {
	return dataSource.getParentLogger();
    }
}