HttpAuthenticationEntryPoint.java

/*
 jBilling - The Enterprise Open Source Billing System
 Copyright (C) 2003-2011 Enterprise jBilling Software Ltd. and Emiliano Conde

 This file is part of jbilling.

 jbilling is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 jbilling is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License
 along with jbilling.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.sapienter.jbilling.client.authentication;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;

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

/**
 * Authentication endpoint for HTTP.
 *
 * @author Brian Cowdery
 * @since 20-10-2010
 */
public class HttpAuthenticationEntryPoint implements AuthenticationEntryPoint {

    /**
     * Returns a 401 error code.
     *
     * @param request request
     * @param response response
     * @param e authorization failure exception
     * @throws IOException
     * @throws ServletException
     */
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e)
            throws IOException, ServletException {

        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, e.getMessage());
    }
}