org.sakaiproject.metaobj.shared.control.CheckForTimeout.java Source code

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Here is the source code for org.sakaiproject.metaobj.shared.control.CheckForTimeout.java

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/**********************************************************************************
 * $URL$
 * $Id$
 ***********************************************************************************
 *
 * Copyright (c) 2004, 2005, 2006, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.metaobj.shared.control;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.sakaiproject.metaobj.security.AuthenticationManager;
import org.sakaiproject.metaobj.shared.model.Agent;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class CheckForTimeout implements HandlerInterceptor {
    private AuthenticationManager authenticationManager;
    private String timeoutUrl;
    private List ignoreList;

    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws Exception {
        if (getIgnoreList().contains(request.getServletPath())) {
            return true;
        }
        Agent agent = getAuthenticationManager().getAgent();
        boolean timeOut = (agent == null || agent.getId() == null || agent.getId().getValue().length() == 0);
        if (timeOut) {
            response.sendRedirect(getTimeoutUrl());
        }
        return !timeOut;
    }

    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
            ModelAndView modelAndView) throws Exception {
    }

    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler,
            Exception ex) throws Exception {
    }

    public AuthenticationManager getAuthenticationManager() {
        return authenticationManager;
    }

    public void setAuthenticationManager(AuthenticationManager authenticationManager) {
        this.authenticationManager = authenticationManager;
    }

    public String getTimeoutUrl() {
        return timeoutUrl;
    }

    public void setTimeoutUrl(String timeoutUrl) {
        this.timeoutUrl = timeoutUrl;
    }

    public List getIgnoreList() {
        return ignoreList;
    }

    public void setIgnoreList(List ignoreList) {
        this.ignoreList = ignoreList;
    }
}