/*
    * Copyright (c) 2015 Maxim Yunusov
    *    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.maxur.perfmodel.backend.rest;
  
  import org.maxur.perfmodel.backend.domain.Incident;
  import org.slf4j.Logger;
  
  import javax.ws.rs.core.GenericEntity;
  import javax.ws.rs.core.Response;
  import javax.ws.rs.ext.ExceptionMapper;
  import java.util.List;
  
  import static javax.ws.rs.core.MediaType.APPLICATION_JSON;
  import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR;
  import static org.maxur.perfmodel.backend.domain.Incident.incidents;
  import static org.slf4j.LoggerFactory.getLogger;
  
  /**
   * @author myunusov
   * @version 1.0
   * @since <pre>11.09.2015</pre>
   */
  public class RuntimeExceptionHandler implements ExceptionMapper<RuntimeException> {
  
      private static final Logger LOGGER = getLogger(RuntimeExceptionHandler.class);
  
      @Override
      public Response toResponse(RuntimeException exception) {
          LOGGER.error(exception.getMessage(), exception);
          return Response
                  .status(INTERNAL_SERVER_ERROR)
                  .type(APPLICATION_JSON)
                  .entity(makeErrorEntity(exception))
                  .build();
      }
  
      private GenericEntity<List<Incident>> makeErrorEntity(final RuntimeException exception) {
          return new GenericEntity<List<Incident>>(incidents("System error", exception.getMessage())) {
          };
      }
  
  
  }