content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.alibaba.cloudapp.oauth2.handler;
  
  import com.alibaba.fastjson2.JSONObject;
  import com.alibaba.cloudapp.api.gateway.model.OAuthToken;
  import com.alibaba.cloudapp.api.oauth2.handler.LoginHandler;
  import org.springframework.http.MediaType;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.io.IOException;
  
  public class DefaultLoginHandler implements LoginHandler {
      
      private final String successUrl;
      
      public DefaultLoginHandler(String successUrl) {
          this.successUrl = successUrl;
      }
      
      @Override
      public void loginSuccess(HttpServletRequest request,
                               HttpServletResponse response,
                               OAuthToken token)
              throws IOException, ServletException {
          request.getRequestDispatcher(successUrl).forward(request, response);
      }
      
      @Override
      public void loginFailure(HttpServletRequest request,
                               HttpServletResponse response,
                               Exception e) throws IOException {
          
          response.sendError(HttpServletResponse.SC_UNAUTHORIZED, e.getMessage());
          response.setContentType(MediaType.APPLICATION_JSON_VALUE);
          JSONObject json = new JSONObject();
          json.put("error", e.getMessage());
          response.getOutputStream().write(json.toJSONBBytes());
      }
      
  }
  