/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.test.integration.jpa.mockprovider.txtimeout;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import javax.persistence.EntityManager;
/**
* TestEntityManagerFactory
*
* @author Scott Marlow
*/
public class TestEntityManagerFactory implements InvocationHandler {
private static final List<String> invocations = Collections.synchronizedList(new ArrayList<String>());
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
invocations.add(method.getName());
if (method.getName().equals("createEntityManager")) {
return entityManager();
} else if(method.getName().equals("getProperties")) {
return new HashMap<String, Object>();
} else if(method.getName().equals("isOpen")) {
return true;
} else {
// System.out.println("TestEntityManagerFactory method=" + method.getName() + " is returning null");
}
return null;
}
private EntityManager entityManager() {
TestEntityManager testEntityManager =
new TestEntityManager();
Class[] targetInterfaces = EntityManager.class.getInterfaces();
Class[] proxyInterfaces = new Class[targetInterfaces.length + 1]; // include extra element for extensionClass
boolean alreadyHasInterfaceClass = false;
for (int interfaceIndex = 0; interfaceIndex < targetInterfaces.length; interfaceIndex++) {
Class interfaceClass = targetInterfaces[interfaceIndex];
if (interfaceClass.equals(EntityManager.class)) {
proxyInterfaces = targetInterfaces; // targetInterfaces already has all interfaces
alreadyHasInterfaceClass = true;
break;
}
proxyInterfaces[1 + interfaceIndex] = interfaceClass;
}
if (!alreadyHasInterfaceClass) {
proxyInterfaces[0] = EntityManager.class;
}
EntityManager proxyEntityManager = (EntityManager) Proxy.newProxyInstance(
testEntityManager.getClass().getClassLoader(),
proxyInterfaces,
testEntityManager
);
return proxyEntityManager;
}
}