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.slf4j.Logger;
021
022import javax.jcr.version.LabelExistsVersionException;
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.CONFLICT;
028import static javax.ws.rs.core.Response.status;
029import static org.fcrepo.http.commons.domain.RDFMediaType.TEXT_PLAIN_WITH_CHARSET;
030import static org.slf4j.LoggerFactory.getLogger;
031
032/**
033 *  Translate LabelExistsVersionException errors into reasonable
034 *  HTTP error codes
035 *
036 * @author md5wz
037 * @since 11/21/14
038 */
039@Provider
040public class LabelExistsVersionExceptionMapper implements
041        ExceptionMapper<LabelExistsVersionException>, ExceptionDebugLogging {
042
043    private static final Logger LOGGER =
044        getLogger(LabelExistsVersionExceptionMapper.class);
045
046    @Override
047    public Response toResponse(final LabelExistsVersionException e) {
048        LOGGER.error("LabelExistsVersionException intercepted by LabelExistsVersionExceptionMapper: {}\n",
049                    e.getMessage());
050        debugException(this, e, LOGGER);
051        return status(CONFLICT).entity(e.getMessage()).type(TEXT_PLAIN_WITH_CHARSET).build();
052    }
053}