001/*
002 * Copyright (c) 2015 Maxim Yunusov
003 *    Licensed under the Apache License, Version 2.0 (the "License");
004 *    you may not use this file except in compliance with the License.
005 *    You may obtain a copy of the License at
006 *
007 *        http://www.apache.org/licenses/LICENSE-2.0
008 *
009 *    Unless required by applicable law or agreed to in writing, software
010 *    distributed under the License is distributed on an "AS IS" BASIS,
011 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012 *    See the License for the specific language governing permissions and
013 *    limitations under the License.
014 */
015
016package org.maxur.perfmodel.backend.rest;
017
018import org.maxur.perfmodel.backend.domain.Incident;
019import org.slf4j.Logger;
020
021import javax.ws.rs.core.GenericEntity;
022import javax.ws.rs.core.Response;
023import javax.ws.rs.ext.ExceptionMapper;
024import java.util.List;
025
026import static javax.ws.rs.core.MediaType.APPLICATION_JSON;
027import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR;
028import static org.maxur.perfmodel.backend.domain.Incident.incidents;
029import static org.slf4j.LoggerFactory.getLogger;
030
031/**
032 * @author myunusov
033 * @version 1.0
034 * @since <pre>11.09.2015</pre>
035 */
036public class RuntimeExceptionHandler implements ExceptionMapper<RuntimeException> {
037
038    private static final Logger LOGGER = getLogger(RuntimeExceptionHandler.class);
039
040    @Override
041    public Response toResponse(RuntimeException exception) {
042        LOGGER.error(exception.getMessage(), exception);
043        return Response
044                .status(INTERNAL_SERVER_ERROR)
045                .type(APPLICATION_JSON)
046                .entity(makeErrorEntity(exception))
047                .build();
048    }
049
050    private GenericEntity<List<Incident>> makeErrorEntity(final RuntimeException exception) {
051        return new GenericEntity<List<Incident>>(incidents("System error", exception.getMessage())) {
052        };
053    }
054
055
056}