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;
019import static javax.ws.rs.core.Response.status;
020import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
021import static org.fcrepo.http.commons.domain.RDFMediaType.TEXT_PLAIN_WITH_CHARSET;
022import static org.slf4j.LoggerFactory.getLogger;
023
024import org.fcrepo.kernel.api.exception.ExternalMessageBodyException;
025import org.slf4j.Logger;
026
027import javax.servlet.ServletContext;
028import javax.ws.rs.core.Context;
029import javax.ws.rs.core.Link;
030import javax.ws.rs.core.Response;
031import javax.ws.rs.core.UriInfo;
032import javax.ws.rs.ext.Provider;
033
034/**
035 * If an External Content Link header isn't formatted correctly or missing something, return
036 * a Bad Request error.
037 *
038 * @author bseeger
039 * @since 4/18/18.
040 */
041@Provider
042public class ExternalMessageBodyExceptionMapper extends ConstraintExceptionMapper<ExternalMessageBodyException>
043        implements ExceptionDebugLogging {
044
045    private static final Logger LOGGER = getLogger(ExternalMessageBodyExceptionMapper.class);
046
047    @Context
048    private UriInfo uriInfo;
049
050    @Context
051    private ServletContext context;
052
053    @Override
054    public Response toResponse(final ExternalMessageBodyException e) {
055        debugException(this, e, LOGGER);
056        final Link link = buildConstraintLink(e, context, uriInfo);
057        final String msg = e.getMessage();
058        return status(BAD_REQUEST).entity(msg).links(link).type(TEXT_PLAIN_WITH_CHARSET).build();
059    }
060}