org.apache.cxf.jca.servant.EJBInvoker Maven / Gradle / Ivy
/**
* 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.servant;
import java.lang.reflect.Method;
import javax.ejb.EJBHome;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.service.invoker.AbstractInvoker;
public class EJBInvoker extends AbstractInvoker {
private static final Object[] EMPTY_OBJECT = new Object[0];
private EJBHome home;
private Method createMethod;
public EJBInvoker(EJBHome home) {
this.home = home;
try {
if (!home.getEJBMetaData().isSession() || !home.getEJBMetaData().isStatelessSession())
{
throw new IllegalArgumentException("home must be for a stateless session bean");
}
createMethod = home.getClass().getMethod("create", new Class[0]);
} catch (Exception ex) {
throw new IllegalArgumentException("Unable to initialize invoker: " + ex);
}
}
@Override
public Object getServiceObject(Exchange context) {
Object ejbObject = null;
try {
ejbObject = createMethod.invoke(home, EMPTY_OBJECT);
} catch (Exception e) {
throw new RuntimeException("Error in creating EJB Object");
}
return ejbObject;
}
}