/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, 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.ejb3.proxy.handler.session;
import java.io.Serializable;
import java.lang.reflect.Method;
import org.jboss.aop.advice.Interceptor;
import org.jboss.ejb3.common.lang.SerializableMethod;
import org.jboss.ejb3.proxy.container.InvokableContext;
import org.jboss.ejb3.proxy.handler.NotEligibleForDirectInvocationException;
import org.jboss.logging.Logger;
/**
* SessionSpecProxyInvocationHandlerBase
*
* Abstract base from which all Session Proxy InvocationHandlers
* adhering to the EJB3 specification may extend
*
* @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a>
* @version $Revision: $
*/
public abstract class SessionSpecProxyInvocationHandlerBase extends SessionProxyInvocationHandlerBase
implements
SessionSpecProxyInvocationHandler,
Serializable
{
// ------------------------------------------------------------------------------||
// Class Members ----------------------------------------------------------------||
// ------------------------------------------------------------------------------||
private static final Logger log = Logger.getLogger(SessionSpecProxyInvocationHandlerBase.class);
// ------------------------------------------------------------------------------||
// Instance Members -------------------------------------------------------------||
// ------------------------------------------------------------------------------||
/**
* Fully-qualified name of the class targeted either for injection
* or casting to support getInvokedBusinessInterface. May be
* null to denote non-deterministic invocation
*/
private String businessInterfaceType;
// ------------------------------------------------------------------------------||
// Constructors -----------------------------------------------------------------||
// ------------------------------------------------------------------------------||
/**
* Constructor
*
* @param containerName The name under which the target container is registered
* @param containerGuid The globally-unique name of the container
* @param businessInterfaceType The possibly null businessInterfaceType
* marking this invocation hander as specific to a given
* EJB3 Business Interface
* @param interceptors The interceptors to apply to invocations upon this handler
*/
protected SessionSpecProxyInvocationHandlerBase(final String containerName, final String containerGuid,
final Interceptor[] interceptors, final String businessInterfaceType)
{
super(containerName, containerGuid, interceptors);
this.setBusinessInterfaceType(businessInterfaceType);
}
// ------------------------------------------------------------------------------||
// Required Implementations -----------------------------------------------------||
// ------------------------------------------------------------------------------||
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
{
// Attempt to handle directly
try
{
return this.handleInvocationDirectly(proxy, args, method);
}
// Ignore this, we just couldn't handle here
catch (NotEligibleForDirectInvocationException nefdie)
{
log.debug("Couldn't handle invocation directly within " + this + ": " + nefdie.getMessage());
}
// Obtain an explicitly-specified actual class
String actualClass = this.getBusinessInterfaceType();
// Set the invoked method
SerializableMethod invokedMethod = new SerializableMethod(method, actualClass);
/*
* Obtain the Container
*/
InvokableContext container = this.getContainer();
/*
* Invoke
*/
// Adjust args if null to empty array
if (args == null)
{
args = new Object[]
{};
}
// Invoke
Object result = container.invoke(proxy, invokedMethod, args);
// Return
return result;
}
// ------------------------------------------------------------------------------||
// Accessors / Mutators ---------------------------------------------------------||
// ------------------------------------------------------------------------------||
protected String getBusinessInterfaceType()
{
return businessInterfaceType;
}
protected void setBusinessInterfaceType(String businessInterfaceType)
{
this.businessInterfaceType = businessInterfaceType;
}
}