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.glassfish.jersey.server.ParamException;
021import org.slf4j.Logger;
022
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.fromResponse;
028import static org.slf4j.LoggerFactory.getLogger;
029
030/**
031 * Handle Jersey ParamException
032 *
033 * @author awoods
034 * @since 2015-01-20
035 */
036@Provider
037public class ParamExceptionMapper implements
038        ExceptionMapper<ParamException>, ExceptionDebugLogging {
039
040    private static final Logger LOGGER = getLogger(ParamExceptionMapper.class);
041
042    @Override
043    public Response toResponse(final ParamException e) {
044
045        LOGGER.error("ParamException intercepted by ParamExceptionMapper: {}\n", e.getMessage());
046        debugException(this, e, LOGGER);
047
048        final StringBuilder msg = new StringBuilder("Error parsing parameter: ");
049        msg.append(e.getParameterName());
050        msg.append(", of type: ");
051        msg.append(e.getParameterType().getSimpleName());
052
053        return fromResponse(e.getResponse()).entity(msg.toString()).build();
054    }
055
056}