/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.remote.server;
import java.lang.annotation.Annotation;
import javax.ejb.Remote;
import javax.enterprise.inject.spi.Annotated;
import javax.jws.WebService;
import javax.servlet.Servlet;
import com.caucho.config.ConfigException;
import com.caucho.remote.ServiceException;
/**
* Abstract factory for creating @WebService and @Remote servlets.
*/
abstract public class AbstractProtocolServletFactory
implements ProtocolServletFactory
{
/**
* Sets the ServiceType annotation
*/
public void setServiceType(Annotation ann)
{
}
/**
* Sets the ServiceType annotated
*/
public void setAnnotated(Annotated annotated)
{
}
/**
* Creates a new servlet skeleton based on an API and an object
*
* @param serviceApi the remoteApi exposed to the server
* @param service the managed service object
*/
abstract public Servlet createServlet(Class<?> serviceApi, Object service)
throws ServiceException;
/**
* Returns the remote interface to expose as a service.
*/
protected Class<?> getRemoteAPI(Class<?> serviceClass)
{
Remote remote = (Remote) serviceClass.getAnnotation(Remote.class);
if (remote != null)
return remote.value()[0];
for (Class<?> ifc : serviceClass.getInterfaces()) {
if (ifc.isAnnotationPresent(Remote.class))
return ifc;
}
WebService webService
= (WebService) serviceClass.getAnnotation(WebService.class);
if (webService != null && ! "".equals(webService.endpointInterface())) {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
try {
Class<?> api = Class.forName(webService.endpointInterface(),
false, loader);
return api;
} catch (Exception e) {
throw ConfigException.create(e);
}
}
Class<?> remoteAPI = null;
for (Class<?> ifc : serviceClass.getInterfaces()) {
if (ifc.getName().startsWith("java.io"))
continue;
else if (ifc.getName().startsWith("javax.ejb"))
continue;
if (remoteAPI != null) {
// XXX: possible warning
return serviceClass;
}
else
remoteAPI = ifc;
}
if (remoteAPI != null)
return remoteAPI;
else
return serviceClass;
}
}