001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.http.commons.exceptionhandlers;
019
020import static javax.ws.rs.core.Response.status;
021import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
022import static org.slf4j.LoggerFactory.getLogger;
023
024import javax.ws.rs.core.Response;
025import javax.ws.rs.ext.ExceptionMapper;
026import javax.ws.rs.ext.Provider;
027
028import org.slf4j.Logger;
029
030import com.fasterxml.jackson.core.JsonParseException;
031
032/**
033 * If an injected JSON resource fails to parse, return an HTTP 400 Bad Request.
034 *
035 * @author Esme Cowles
036 * @since 2014-05-21
037 */
038@Provider
039public class JsonParseExceptionMapper implements
040        ExceptionMapper<JsonParseException>, ExceptionDebugLogging {
041
042    private static final Logger LOGGER = getLogger(JsonParseExceptionMapper.class);
043
044    @Override
045    public Response toResponse(final JsonParseException e) {
046        debugException(this, e, LOGGER);
047        return status(BAD_REQUEST).entity(e.getMessage()).build();
048    }
049}