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 static com.google.common.base.Throwables.getStackTraceAsString;
021import static javax.ws.rs.core.Response.serverError;
022import static javax.ws.rs.core.Response.status;
023import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
024import static org.fcrepo.http.commons.domain.RDFMediaType.TEXT_PLAIN_WITH_CHARSET;
025import static org.slf4j.LoggerFactory.getLogger;
026
027import javax.jcr.RepositoryException;
028import javax.jcr.ValueFormatException;
029import javax.ws.rs.core.Response;
030import javax.ws.rs.ext.ExceptionMapper;
031import javax.ws.rs.ext.Provider;
032
033import org.slf4j.Logger;
034
035/**
036 * Provide a quasi-useful stacktrace when a generic RepositoryException is caught
037 *
038 * @author awoods
039 */
040@Provider
041public class RepositoryExceptionMapper implements
042        ExceptionMapper<RepositoryException>, ExceptionDebugLogging {
043
044    private static final Logger LOGGER = getLogger(RepositoryExceptionMapper.class);
045
046    @Override
047    public Response toResponse(final RepositoryException e) {
048
049        LOGGER.error("Caught a repository exception: {}", e.getMessage() );
050        debugException(this, e, LOGGER);
051        if ( e.getMessage().matches("Error converting \".+\" from String to a Name")) {
052            return status(BAD_REQUEST).entity(e.getMessage()).type(TEXT_PLAIN_WITH_CHARSET).build();
053        } else if ( e instanceof ValueFormatException ) {
054            return status(BAD_REQUEST).entity(e.getMessage()).type(TEXT_PLAIN_WITH_CHARSET).build();
055        }
056
057        return serverError().entity(getStackTraceAsString(e)).type(TEXT_PLAIN_WITH_CHARSET).build();
058    }
059}