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/*
* Copyright 2006-2012 Amazon Technologies, Inc. or its affiliates.
* Amazon, Amazon.com and Carbonado are trademarks or registered trademarks
* of Amazon Technologies, Inc. or its affiliates. All rights reserved.
*
* 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.amazon.carbonado.repo.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.io.PrintWriter;
import java.util.Properties;
import javax.sql.DataSource;
/**
* SimpleDataSource does not implement any connection pooling.
*
* @author Brian S O'Neill
*/
public class SimpleDataSource implements DataSource {
private final String mURL;
private final Properties mProperties;
private PrintWriter mLogWriter;
/**
* @param driverClass JDBC driver to load; can pass null if already loaded
* @param driverURL JDBC driver URL
* @param properties optional connection properties
* @since 1.2
*/
public SimpleDataSource(String driverClass, String driverURL, Properties properties)
throws SQLException
{
this(driverClass, driverURL, null, null, properties);
}
/**
* @param driverClass JDBC driver to load; can pass null if already loaded
* @param driverURL JDBC driver URL
* @param username optional username to connect with
* @param password optional password to connect with
*/
public SimpleDataSource(String driverClass, String driverURL, String username, String password)
throws SQLException
{
this(driverClass, driverURL, username, password, null);
}
/**
* @param driverClass JDBC driver to load; can pass null if already loaded
* @param driverURL JDBC driver URL
* @param username optional username to connect with
* @param password optional password to connect with
* @param properties optional connection properties
* @since 1.2
*/
public SimpleDataSource(String driverClass, String driverURL, String username, String password,
Properties properties)
throws SQLException
{
if (driverURL == null) {
throw new IllegalArgumentException("Must supply JDBC URL");
}
if (driverClass != null) {
try {
Class.forName(driverClass);
} catch (ClassNotFoundException e) {
SQLException e2 = new SQLException();
e2.initCause(e);
throw e2;
}
}
if (properties == null) {
properties = new Properties();
}
if (username != null) {
properties.put("user", username);
}
if (password != null) {
properties.put("password", password);
}
mURL = driverURL;
mProperties = properties;
}
public Connection getConnection() throws SQLException {
return DriverManager.getConnection(mURL, mProperties);
}
public Connection getConnection(String username, String password) throws SQLException {
Properties properties = new Properties(mProperties);
if (username != null) {
properties.put("user", username);
}
if (password != null) {
properties.put("password", password);
}
return DriverManager.getConnection(mURL, properties);
}
public PrintWriter getLogWriter() throws SQLException {
return mLogWriter;
}
public void setLogWriter(PrintWriter writer) throws SQLException {
mLogWriter = writer;
}
public void setLoginTimeout(int seconds) throws SQLException {
}
public int getLoginTimeout() throws SQLException {
return 0;
}
/**
* @since 1.2
*/
public void close() throws SQLException {
}
/**
* @since 1.2
*/
public <T> T unwrap(Class<T> iface) throws SQLException {
throw new UnsupportedOperationException();
}
/**
* @since 1.2
*/
public boolean isWrapperFor(Class<?> iface) throws SQLException {
throw new UnsupportedOperationException();
}
public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException {
throw new SQLFeatureNotSupportedException();
}
}
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