com.acme.demo.web.LogoutController.java Source code

Java tutorial

Introduction

Here is the source code for com.acme.demo.web.LogoutController.java

Source

/*
 * Copyright IBM Corp. 2014
 *
 * 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 com.acme.demo.web;

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

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/logout")
public class LogoutController {

    @RequestMapping(method = RequestMethod.GET)
    public void logout(HttpServletRequest request, HttpServletResponse response) {
        HttpSession session = request.getSession(false);
        if (request.isRequestedSessionIdValid() && session != null) {

            session.invalidate();
        }
        handleLogOutResponse(request, response);
    }

    private void handleLogOutResponse(HttpServletRequest request, HttpServletResponse response) {
        Cookie[] cookies = request.getCookies();
        for (Cookie cookie : cookies) {
            cookie.setMaxAge(0);
            cookie.setValue(null);
            cookie.setPath("/");
            response.addCookie(cookie);
        }

    }

}