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 org.fcrepo.kernel.api.exception.ConcurrentUpdateException;
021import org.slf4j.Logger;
022
023import javax.ws.rs.core.Response;
024import javax.ws.rs.ext.ExceptionMapper;
025import javax.ws.rs.ext.Provider;
026
027import static javax.ws.rs.core.Response.status;
028import static org.fcrepo.http.commons.domain.RDFMediaType.TEXT_PLAIN_WITH_CHARSET;
029import static org.slf4j.LoggerFactory.getLogger;
030
031/**
032 * @author pwinckles
033 */
034@Provider
035public class ConcurrentUpdateExceptionMapper implements
036        ExceptionMapper<ConcurrentUpdateException>, ExceptionDebugLogging {
037
038    private static final Logger LOGGER = getLogger(ConcurrentUpdateExceptionMapper.class);
039
040    @Override
041    public Response toResponse(final ConcurrentUpdateException e) {
042        debugException(this, e, LOGGER);
043        return status(Response.Status.CONFLICT).entity(e.getMessage()).type(TEXT_PLAIN_WITH_CHARSET).build();
044    }
045
046}