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.slf4j.Logger; 021 022import javax.ws.rs.WebApplicationException; 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.fcrepo.http.commons.domain.RDFMediaType.TEXT_PLAIN_WITH_CHARSET; 029import static org.slf4j.LoggerFactory.getLogger; 030 031/** 032 * Handle Jersey WebApplicationException 033 * 034 * @author lsitu 035 */ 036@Provider 037public class WebApplicationExceptionMapper implements 038 ExceptionMapper<WebApplicationException>, ExceptionDebugLogging { 039 040 private static final Logger LOGGER = 041 getLogger(WebApplicationExceptionMapper.class); 042 043 @Override 044 public Response toResponse(final WebApplicationException e) { 045 LOGGER.warn("Web application error", e); 046 final String msg = null == e.getCause() ? e.getMessage() : e.getCause().getMessage(); 047 // 204, 205, 304 MUST NOT contain an entity body - RFC2616 048 switch (e.getResponse().getStatus()) { 049 case 204: 050 case 205: 051 case 304: 052 return fromResponse(e.getResponse()).entity(null).build(); 053 default: 054 return fromResponse(e.getResponse()).entity(msg).type(TEXT_PLAIN_WITH_CHARSET).build(); 055 } 056 } 057}