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/*
* Copyright (C) 2013, 2014 Brett Wooldridge
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.zaxxer.hikari.util;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.Enumeration;
import java.util.Map.Entry;
import java.util.Properties;
import javax.sql.DataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class DriverDataSource implements DataSource
{
private static final Logger LOGGER = LoggerFactory.getLogger(DriverDataSource.class);
private final String jdbcUrl;
private final Properties driverProperties;
private Driver driver;
public DriverDataSource(String jdbcUrl, String driverClassName, Properties properties, String username, String password)
{
this.jdbcUrl = jdbcUrl;
this.driverProperties = new Properties();
for (Entry<Object, Object> entry : properties.entrySet()) {
driverProperties.setProperty(entry.getKey().toString(), entry.getValue().toString());
}
if (username != null) {
driverProperties.put("user", driverProperties.getProperty("user", username));
}
if (password != null) {
driverProperties.put("password", driverProperties.getProperty("password", password));
}
if (driverClassName != null) {
Enumeration<Driver> drivers = DriverManager.getDrivers();
while (drivers.hasMoreElements()) {
Driver d = drivers.nextElement();
if (d.getClass().getName().equals(driverClassName)) {
driver = d;
break;
}
}
if (driver == null) {
LOGGER.warn("Registered driver with driverClassName={} was not found, trying direct instantiation.", driverClassName);
Class<?> driverClass = null;
try {
driverClass = this.getClass().getClassLoader().loadClass(driverClassName);
LOGGER.debug("Driver class found in the HikariConfig class classloader {}", this.getClass().getClassLoader());
} catch (ClassNotFoundException e) {
ClassLoader threadContextClassLoader = Thread.currentThread().getContextClassLoader();
if (threadContextClassLoader != null && threadContextClassLoader != this.getClass().getClassLoader()) {
try {
driverClass = threadContextClassLoader.loadClass(driverClassName);
LOGGER.debug("Driver class found in Thread context class loader {}", threadContextClassLoader);
} catch (ClassNotFoundException e1) {
LOGGER.warn("Failed to load class of driverClassName {} in either of HikariConfig class classloader {} or Thread context classloader {}", driverClassName, this.getClass().getClassLoader(), threadContextClassLoader);
}
} else {
LOGGER.warn("Failed to load class of driverClassName {} in HikariConfig class classloader {}", driverClassName, this.getClass().getClassLoader());
}
}
if (driverClass != null) {
try {
driver = (Driver) driverClass.newInstance();
} catch (Exception e) {
LOGGER.warn("Failed to create instance of driver class {}, trying jdbcUrl resolution", driverClassName, e);
}
}
}
}
try {
if (driver == null) {
driver = DriverManager.getDriver(jdbcUrl);
}
else if (!driver.acceptsURL(jdbcUrl)) {
throw new RuntimeException("Driver " + driverClassName + " claims to not accept jdbcUrl, " + jdbcUrl);
}
}
catch (SQLException e) {
throw new RuntimeException("Failed to get driver instance for jdbcUrl=" + jdbcUrl, e);
}
}
@Override
public Connection getConnection() throws SQLException
{
return driver.connect(jdbcUrl, driverProperties);
}
@Override
public Connection getConnection(String username, String password) throws SQLException
{
return getConnection();
}
@Override
public PrintWriter getLogWriter() throws SQLException
{
throw new SQLFeatureNotSupportedException();
}
@Override
public void setLogWriter(PrintWriter logWriter) throws SQLException
{
throw new SQLFeatureNotSupportedException();
}
@Override
public void setLoginTimeout(int seconds) throws SQLException
{
DriverManager.setLoginTimeout(seconds);
}
@Override
public int getLoginTimeout() throws SQLException
{
return DriverManager.getLoginTimeout();
}
@Override
public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException
{
return driver.getParentLogger();
}
@Override
public <T> T unwrap(Class<T> iface) throws SQLException
{
throw new SQLFeatureNotSupportedException();
}
@Override
public boolean isWrapperFor(Class<?> iface) throws SQLException
{
return false;
}
}
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