/*
* Copyright 2002-2005 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.springmodules.workflow.osworkflow.web;
import javax.servlet.http.HttpServletRequest;
import org.acegisecurity.context.SecurityContext;
import org.acegisecurity.context.SecurityContextHolder;
import org.acegisecurity.userdetails.UserDetails;
/**
* @author robh
*/
public class AcegiWorkflowContextHandlerInterceptor extends DefaultWorkflowContextHandlerInterceptor {
protected String getCaller(HttpServletRequest request) {
SecurityContext context = (SecurityContext) SecurityContextHolder.getContext();
Object principal = context.getAuthentication().getPrincipal();
if (principal instanceof UserDetails)
return ((UserDetails) principal).getUsername();
// fallback mechanism
return principal.toString();
}
}