001/**
002 * Copyright 2015 DuraSpace, Inc.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.fcrepo.http.commons.exceptionhandlers;
017
018import static javax.ws.rs.core.Response.status;
019import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
020import javax.ws.rs.core.Response;
021import javax.ws.rs.ext.ExceptionMapper;
022import javax.ws.rs.ext.Provider;
023
024import org.codehaus.jackson.JsonParseException;
025
026/**
027 * If an injected JSON resource fails to parse, return an HTTP 400 Bad Request.
028 *
029 * @author Esme Cowles
030 * @since 2014-05-21
031 */
032@Provider
033public class JsonParseExceptionMapper implements ExceptionMapper<JsonParseException> {
034
035    @Override
036    public Response toResponse(final JsonParseException ex) {
037        return status(BAD_REQUEST).entity(ex.getMessage()).build();
038    }
039}