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.slf4j.Logger;
019
020import javax.jcr.version.LabelExistsVersionException;
021import javax.ws.rs.core.Response;
022import javax.ws.rs.ext.ExceptionMapper;
023import javax.ws.rs.ext.Provider;
024
025import static javax.ws.rs.core.Response.Status.CONFLICT;
026import static javax.ws.rs.core.Response.status;
027import static org.slf4j.LoggerFactory.getLogger;
028
029/**
030 *  Translate LabelExistsVersionException errors into reasonable
031 *  HTTP error codes
032 *
033 * @author md5wz
034 * @since 11/21/14
035 */
036@Provider
037public class LabelExistsVersionExceptionMapper implements ExceptionMapper<LabelExistsVersionException> {
038
039    private static final Logger LOGGER =
040        getLogger(LabelExistsVersionExceptionMapper.class);
041
042    @Override
043    public Response toResponse(final LabelExistsVersionException e) {
044        LOGGER.debug("LabelExistsVersionException intercepted by LabelExistsVersionExceptionMapper"
045                    + (e.getMessage() != null ? ": " + e.getMessage() : "."), e);
046        return status(CONFLICT).entity(e.getMessage()).build();
047    }
048}