/*
* 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.managed.xa;
import javax.sql.CommonDataSource;
import javax.sql.DataSource;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
public class CommonDataSourceAdapter implements InvocationHandler {
private final CommonDataSource delegate;
public CommonDataSourceAdapter(final CommonDataSource ds) {
this.delegate = ds;
}
public static DataSource wrap(final CommonDataSource ds) {
return DataSource.class.cast(Proxy.newProxyInstance(ds.getClass().getClassLoader(), new Class<?>[]{DataSource.class}, new CommonDataSourceAdapter(ds)));
}
@Override
public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
if (Object.class == method.getDeclaringClass() && "equals".equals(method.getName())) {
if (delegate == args[0]) {
return true;
}
}
return method.invoke(delegate, args); // we suppose missing methods are not called - it is the case thanks to ManagedXADataSource
}
public CommonDataSource getDelegate() {
return delegate;
}
}