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 javax.ws.rs.core.Response.fromResponse;
019import static org.slf4j.LoggerFactory.getLogger;
020
021import javax.ws.rs.WebApplicationException;
022import javax.ws.rs.core.Response;
023import javax.ws.rs.ext.ExceptionMapper;
024import javax.ws.rs.ext.Provider;
025
026import org.slf4j.Logger;
027
028/**
029 * Handle Jersey WebApplicationException
030 *
031 * @author lsitu
032 */
033@Provider
034public class WebApplicationExceptionMapper implements
035        ExceptionMapper<WebApplicationException> {
036
037    private static final Logger LOGGER =
038        getLogger(WebApplicationExceptionMapper.class);
039
040    @Override
041    public Response toResponse(final WebApplicationException e) {
042        LOGGER.debug(
043                "WebApplicationException intercepted by WebApplicationExceptionMapper: \n", e);
044
045        final String msg = null == e.getCause() ? e.getMessage() : e.getCause().getMessage();
046        return fromResponse(e.getResponse()).entity(msg).build();
047    }
048}