/*
* Copyright 2002-2007 the original author or authors.
*
* Licensed 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.internna.iwebmvc.spring.swf.dwr;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.context.ServletContextAware;
import org.springframework.webflow.context.ExternalContextHolder;
import org.springframework.webflow.context.servlet.ServletExternalContext;
import org.springframework.webflow.execution.FlowExecution;
import org.springframework.webflow.execution.FlowSession;
import org.springframework.webflow.execution.repository.FlowExecutionRepository;
import org.springframework.webflow.executor.FlowExecutor;
import org.springframework.webflow.executor.FlowExecutorImpl;
/**
* Allows remote AJAX operations on flows
*
* @author Jose Noheda
*/
public class AJAXFlowManagerImpl implements AJAXFlowManager, ServletContextAware {
private static Log log = LogFactory.getLog(AJAXFlowManagerImpl.class);
private ServletContext servletContext;
@Autowired protected FlowExecutor flowExecutor;
@Override
public void setServletContext(ServletContext servletContext) {
this.servletContext = servletContext;
}
@Override
@SuppressWarnings("unchecked")
public Object getReferenceInFlowScope(String flowExecutionKey, String referenceName, HttpServletRequest request) {
ExternalContextHolder.setExternalContext(new ServletExternalContext(servletContext, request, null));
FlowExecutionRepository executionRepository = ((FlowExecutorImpl) flowExecutor).getExecutionRepository();
FlowExecution flowExecution = executionRepository.getFlowExecution(executionRepository.parseFlowExecutionKey(flowExecutionKey));
FlowSession flowSession = flowExecution.getActiveSession();
return flowSession.getScope().get(referenceName);
}
}