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 static com.google.common.base.Throwables.getStackTraceAsString;
019import static javax.ws.rs.core.Response.serverError;
020import static javax.ws.rs.core.Response.status;
021import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
022import static org.slf4j.LoggerFactory.getLogger;
023
024import javax.jcr.RepositoryException;
025import javax.jcr.ValueFormatException;
026import javax.ws.rs.core.Response;
027import javax.ws.rs.ext.ExceptionMapper;
028import javax.ws.rs.ext.Provider;
029
030import org.slf4j.Logger;
031
032/**
033 * Provide a quasi-useful stacktrace when a generic RepositoryException is caught
034 *
035 * @author awoods
036 */
037@Provider
038public class RepositoryExceptionMapper implements
039        ExceptionMapper<RepositoryException> {
040
041    private static final Logger LOGGER = getLogger(RepositoryExceptionMapper.class);
042
043    @Override
044    public Response toResponse(final RepositoryException e) {
045
046        LOGGER.warn("Caught repository exception: {}", e.getMessage() );
047        if ( e.getMessage().matches("Error converting \".+\" from String to a Name")) {
048            return status(BAD_REQUEST).entity(e.getMessage()).build();
049        } else if ( e instanceof ValueFormatException ) {
050            return status(BAD_REQUEST).entity(e.getMessage()).build();
051        }
052
053        return serverError().entity(getStackTraceAsString(e)).build();
054    }
055}