Java tutorial
/** * 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.seyren.core.security; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.http.MediaType; import org.springframework.security.core.AuthenticationException; import org.springframework.security.web.AuthenticationEntryPoint; public class UnauthorizedEntryPoint implements AuthenticationEntryPoint { @Override public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException { response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); response.setContentType((MediaType.APPLICATION_JSON.toString())); response.setCharacterEncoding("UTF-8"); response.getWriter().write(authException.getMessage()); } }