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/*
 * Copyright 2008-2013 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.broadleafcommerce.openadmin.security;

import org.apache.commons.lang.StringUtils;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.AbstractAuthenticationTargetUrlRequestHandler;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by IntelliJ IDEA.
 * User: jfischer
 * Date: 10/20/11
 * Time: 3:43 PM
 * To change this template use File | Settings | File Templates.
 */
public class BroadleafAdminLogoutSuccessHandler extends AbstractAuthenticationTargetUrlRequestHandler implements LogoutSuccessHandler {

    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {
        String targetUrl = determineTargetUrl(request, response);

        if (response.isCommitted()) {
            logger.debug("Response has already been committed. Unable to redirect to " + targetUrl);
            return;
        }

        String queryString = request.getQueryString();
        if (!StringUtils.isEmpty(queryString)) {
            targetUrl += "?" + queryString;
        }

        getRedirectStrategy().sendRedirect(request, response, targetUrl);
    }

}