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 org.glassfish.jersey.message.internal.HeaderValueException;
019
020import javax.ws.rs.core.Response;
021import javax.ws.rs.ext.ExceptionMapper;
022import javax.ws.rs.ext.Provider;
023
024import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
025import static javax.ws.rs.core.Response.status;
026
027/**
028 * If a client-provided header value fails to parse, return an HTTP 400 Bad Request.
029 *
030 * @author awoods
031 * @since 2015-08-06
032 */
033@Provider
034public class HeaderValueExceptionMapper implements ExceptionMapper<HeaderValueException> {
035
036    @Override
037    public Response toResponse(final HeaderValueException ex) {
038        return status(BAD_REQUEST).entity(ex.getMessage() + " ...should value be quoted?").build();
039    }
040}