/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.openejb.resource.jdbc.dbcp;
import org.apache.openejb.OpenEJB;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.resource.jdbc.managed.local.ManagedDataSource;
import org.apache.openejb.resource.jdbc.managed.xa.ManagedXADataSource;
import org.apache.openejb.resource.jdbc.pool.PoolDataSourceCreator;
import org.apache.openejb.resource.jdbc.pool.XADataSourceResource;
import javax.sql.CommonDataSource;
import javax.sql.DataSource;
import javax.sql.XADataSource;
import javax.transaction.TransactionManager;
import javax.transaction.TransactionSynchronizationRegistry;
import java.util.Properties;
// just a sample showing how to implement a datasourcecreator
// this one will probably not be used since dbcp has already the integration we need
public class DbcpDataSourceCreator extends PoolDataSourceCreator {
@Override
public DataSource pool(final String name, final DataSource ds, final Properties properties) {
return build(DbcpDataSource.class, new DbcpDataSource(name, ds), properties);
}
@Override
public DataSource managed(final String name, final CommonDataSource ds) {
final TransactionManager transactionManager = OpenEJB.getTransactionManager();
if (ds instanceof XADataSource) {
return new ManagedXADataSource(ds, transactionManager, SystemInstance.get().getComponent(TransactionSynchronizationRegistry.class));
}
return new ManagedDataSource(DataSource.class.cast(ds), transactionManager, SystemInstance.get().getComponent(TransactionSynchronizationRegistry.class));
}
@Override
public CommonDataSource pool(final String name, final String driver, final Properties properties) {
properties.setProperty("name", name);
final String xa = String.class.cast(properties.remove("XaDataSource"));
if (xa == null && !properties.containsKey("JdbcDriver")) {
properties.setProperty("driverClassName", driver);
}
final BasicDataSource ds = build(BasicDataSource.class, properties);
ds.setDriverClassName(driver);
if (xa != null) {
ds.setDelegate(XADataSourceResource.proxy(Thread.currentThread().getContextClassLoader(), xa));
}
return ds;
}
@Override
protected void doDestroy(final CommonDataSource dataSource) throws Throwable {
((org.apache.commons.dbcp2.BasicDataSource) dataSource).close();
}
@Override
protected <T> T build(final Class<T> clazz, final Properties properties) {
final T object = super.build(clazz, properties);
setDriverLoader(object);
return object;
}
@Override
protected <T> T build(final Class<T> clazz, final Object instance, final Properties properties) {
final T object = super.build(clazz, instance, properties);
setDriverLoader(object);
return object;
}
private <T> void setDriverLoader(final T object) {
if (org.apache.commons.dbcp2.BasicDataSource.class.isInstance(object)) {
final org.apache.commons.dbcp2.BasicDataSource basicDataSource = (org.apache.commons.dbcp2.BasicDataSource) object;
final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
basicDataSource.setDriverClassLoader(contextClassLoader);
}
}
}