/*
* @(#)$Id$
*
* Copyright 2006-2008 Makoto YUI
*
* 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.
*
* Contributors:
* Makoto YUI - initial implementation
*/
package xbird.util.jdbc;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.sql.DataSource;
/**
*
* <DIV lang="en"></DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI (yuin405+xbird@gmail.com)
*/
public final class SimpleDataSource implements DataSource {
@Nonnull
private final String driverClass;
@Nonnull
private final String dbUrl;
@Nullable
private String userName = null;
@Nullable
private String password = null;
private int loginTimeout = 0;
private PrintWriter logWriter = null;
public SimpleDataSource(@CheckForNull String driverClass, @CheckForNull String dbUrl) {
this(driverClass, dbUrl, null, null);
}
public SimpleDataSource(@CheckForNull String driverClass, @CheckForNull String dbUrl, @Nullable String userName, @Nullable String password) {
if(driverClass == null) {
throw new IllegalArgumentException();
}
if(dbUrl == null) {
throw new IllegalArgumentException();
}
this.driverClass = driverClass;
this.dbUrl = dbUrl;
this.userName = userName;
this.password = password;
}
public void setUserName(String userName) {
this.userName = userName;
}
public void setPassword(String password) {
this.password = password;
}
public int getLoginTimeout() throws SQLException {
return loginTimeout;
}
public void setLoginTimeout(int seconds) throws SQLException {
this.loginTimeout = seconds;
}
@Nullable
public PrintWriter getLogWriter() throws SQLException {
return logWriter;
}
public void setLogWriter(PrintWriter out) throws SQLException {
this.logWriter = out;
}
public boolean isWrapperFor(Class<?> iface) throws SQLException {
return false;
}
public <T> T unwrap(Class<T> iface) throws SQLException {
throw new SQLException("SimpleDataSource is not a wrapper for: " + iface.getName());
}
// ---------------------------------------------------
public Connection getConnection() throws SQLException {
return getConnection(userName, password);
}
public Connection getConnection(String username, String password) throws SQLException {
try {
Class.forName(driverClass);
} catch (ClassNotFoundException e) {
throw new SQLException("Driver class cannot loaded: " + driverClass, e);
}
/*
final Driver driver;
try {
driver = DriverManager.getDriver(dbUrl);
} catch (Throwable e) {
throw new SQLException("Driver is not registered: " + driverClass, e);
}
if(driver == null) {//sanity check
throw new SQLException("Driver is not registered: " + driverClass);
}
*/
final Connection conn;
if(userName == null) {
conn = DriverManager.getConnection(dbUrl);
} else {
conn = DriverManager.getConnection(dbUrl, userName, password);
}
return conn;
}
}