/**
* 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.cxf.jca.cxf.handlers;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.util.logging.Logger;
import javax.security.auth.Subject;
import org.apache.cxf.Bus;
import org.apache.cxf.jca.core.resourceadapter.ResourceAdapterInternalException;
import org.apache.cxf.jca.cxf.CXFInvocationHandler;
import org.apache.cxf.jca.cxf.CXFInvocationHandlerData;
import org.apache.cxf.jca.cxf.CXFManagedConnection;
public class InvocationHandlerFactory {
private static final Logger LOG = Logger.getLogger(InvocationHandlerFactory.class.getName());
final Class<?>[] handlerChainTypes;
private final Bus bus;
private final CXFManagedConnection managedConnection;
public InvocationHandlerFactory(Bus b, CXFManagedConnection connection)
throws ResourceAdapterInternalException {
this.bus = b;
this.managedConnection = connection;
try {
handlerChainTypes = getHandlerChainDefinition();
} catch (Exception ex) {
ResourceAdapterInternalException raie = new ResourceAdapterInternalException(
"unable to load handler chain definition",
ex);
LOG.warning(ex.getMessage());
throw raie;
}
}
public CXFInvocationHandler createHandlers(Object target, Subject subject)
throws ResourceAdapterInternalException {
CXFInvocationHandler first = null;
CXFInvocationHandler last = null;
// Create data member
CXFInvocationHandlerData data = new CXFInvocationHandlerDataImpl();
data.setBus(bus);
data.setManagedConnection(managedConnection);
data.setSubject(subject);
data.setTarget(target);
for (int i = 0; i < handlerChainTypes.length; i++) {
CXFInvocationHandler newHandler;
try {
Constructor newHandlerConstructor = handlerChainTypes[i]
.getDeclaredConstructor(new Class[] {CXFInvocationHandlerData.class});
newHandler = (CXFInvocationHandler)newHandlerConstructor.newInstance(new Object[] {data});
} catch (Exception ex) {
ResourceAdapterInternalException raie = new ResourceAdapterInternalException(
"error creating InvocationHandler: "
+ handlerChainTypes[i],
ex);
LOG.warning(raie.getMessage());
throw raie;
}
if (last != null) {
last.setNext(newHandler);
last = newHandler;
} else {
first = newHandler;
last = newHandler;
}
}
return first;
}
private Class<?>[] getHandlerChainDefinition() throws IOException, ClassNotFoundException {
String[] classNames = {"org.apache.cxf.jca.cxf.handlers.ProxyInvocationHandler",
"org.apache.cxf.jca.cxf.handlers.ObjectMethodInvocationHandler",
//"org.apache.cxf.jca.cxf.handlers.SecurityInvocationHandler",
//"org.apache.cxf.jca.cxf.handlers.TransactionHandler",
"org.apache.cxf.jca.cxf.handlers.InvokingInvocationHandler"};
Class[] classes = new Class[classNames.length];
for (int i = 0; i < classNames.length; i++) {
LOG.fine("reading handler class: " + classNames[i]);
classes[i] = getClass().getClassLoader().loadClass(classNames[i]);
}
return classes;
}
}